ICP F9MVT0401410A1, F9MVT0601714A1, F9MVT0801716A1, F9MVT0802120A1, F9MVT1002116A1 Installation Guide

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These instructions must be read and understood completely before attempting installation.

Safety Labeling and Signal Words

DANGER, WARNING, CAUTION, and NOTE

The signal words DANGER, WARNING,

CAUTION, and NOTE are used to identify levels of

hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate

hazard. The signal words WARNING, CAUTION, and NOTE will be used on product labels and

throughout this manual and other manual that may

apply to the product. DANGER - Immediate hazards which will result in

severe personal injury or death. WARNING - Hazards or unsafe practices which

could result in severe personal injury or death. CAUTION - Hazards or unsafe practices which

may result in minor personal injury or product or property damage.

NOTE - Used to highlight suggestions which will result in enhanced installation, reliability, or operation.

TABLE OF CONTENTS

SAFETY CONSIDERATIONS .............................. 3

INTRODUCTION ......................................... 4

CODES AND STANDARDS ................................ 4

ELECTROSTATIC DISCHARGE (ESD) ..................... 5

DIMENSIONS ........................................... 6

LOCATION RELATIVE TO COOLING EQUIPMENT ........... 8

AIR FOR COMBUSTION AND VENTILATION ................ 9

CONDENSATE TRAP .................................... 12

INSTALLATION .......................................... 19

UPFLOW INSTALLATION ................................. 19

DOWNFLOW INSTALLATION .............................. 20

HORIZONTAL INSTALLATION ............................. 21

AIR DUCTS ............................................. 27

GAS PIPING ............................................. 27

ELECTRICAL CONNECTIONS ............................. 29

J-BOX INSTALLATION ................................... 31

VENTING ............................................... 36

SPECIAL VENTING REQUIREMENTS FOR

INSTALLATIONS IN CANADA ............................. 36

DIRECT VENT / 2-PIPE SYSTEM .......................... 40

VENTILATED COMBUSTION AIR .......................... 4t

TERMINATION REQUIREMENTS FOR THE PROVINCES

OF ALBERTA AND SASKATCHEWAN ...................... 4t

INSTALLING THE VENT TERMINATION .................... 50

MAXIMUM EQUIVALENT VENT LENTH ..................... 55

MAXIMUM ALLOWABLE EXPOSED VENT LENGTHS ........ 58

Signal Words in Manuals The signal word WARNING is used throughout

this manual in the following manner:

The signal word CAUTION is used throughout this manual in the following manner:

Signal Words on Product Labeling

Signal words are used in combination with colors and/or pictures or product labels.

Zt& Safety-alert symbol

When you see this symbol on the unit and in

instructions or manuals, be alert to the potential for personal injury.

(SO9001)

Use of the AHR( Certified TM Mark indicates a

manufacturer's participation in the program.

For verification of certification for individual

products, go to www.ahridirectory.org .

INSTALLER: Affix these instructions on or adjacent to the

furnace.

CONSUMER: Retain these instructions for future reference.

Portions of the text and tables are reprinted from NFPA 54/ANS( Z223.1-2009_<;P, with permission of National Fire Protection Association, Quincy, MA 02269 and American Gas Association, Washington, DC

20001. This reprinted material is not the complete and official position of the NFPA or ANSI, on the referenced subject, which is represented only by the standard in its entirety.

PrintedinU.S.A. 440 01 4001 04 July2012

Required Notice for Massachusetts Installations

Important

The Commonwealth of Massachusetts requires compliance with regulation 248 CMR as follows:

5.08: Modifications to NFPA-54, Chapter 10

2) Revise 10.8.3 by adding the following additional requirements:

(a)

For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet

above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied:

INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back-up is installed on the floor level where the gas equipment is to be installed, in addition, the installing plumber or gasfitter shall observe that a battery operated or hard wired

carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure served by the side wall

horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the services of qualified license professionals

for the installation of hard wired carbon monoxide detectors.

a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the hard wired carbon

monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level.

b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner shall have a period of

thirty (30) days to comply with the above requirement; provided, however, that during said thirty (30) day period, a battery operated carbon

monoxide detector with an alarm shall be installed.

2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified.

3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The sign shall

read, in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS".

4. INSPECTION. The state of local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless,

upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR

5.08(2)(a) 1 through 4.

(b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a) 1 through 4:

1. The equipment listed in Chapter 10 entitled "Equipment Not Required To Be Vented" in the most current edition of NFPA 54 as adopted by the Board; and

2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling, building or structure used in whole or in part for residential purposes.

(c)

MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment, the instructions provided by

the manufacturer for installation of the equipment and the venting system shall include:

1. Detailed instructions for the installation of the venting system design or the venting system components; and

2. A complete parts list for the venting system design or venting system.

(d)

MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of a Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases, but identifies "special venting systems", the following requirements shall be satisfied by the manufacturer:

1. The referenced "special venting system" instructions shall be included with the appliance or equipment installation instructions; and

2. The "special venting systems" shall be Product Approved by the Board, and the instructions for that system shall include a parts list and detailed

installation instructions.

(e)

A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of the installation.

For questions regarding these requirements, please contact the Commonwealth of Massachusetts Board of State Examiners of Plumbers and Gas

Fitters, 239 Causeway Street, Boston, MA 02114. 617-727-9952

2 Specifications are subject to change without notice. 440 01 4001 04

Safety Considerations

FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in dangerous

operation, personal injury, death, or property damage.

Improper installation, adjustment, alteration, service,

maintenance, or use can cause carbon monoxide poisoning, explosion, fire, electrical shock, or other

conditions which may cause personal injury or property damage. Consult a qualified service agency, local gas supplier, or your distributor or branch for information or assistance. The qualified service agency must use only factory-authorized and listed kits or accessories

when modifying this product.

FIRE HAZARD

Failure to follow this warning could result in personal

injury, death, or property damage. Solvents, cements, and primers are combustible. Keep

away from heat, sparks and open flame. Use only in well-ventilated areas. Avoid breathing in vapor or

allowing contact with skin or eyes.

FURNACE RELIABILITY HAZARD

Failure to follow this caution may result in unit

component damage. Application of this furnace should be indoors with

special attention given to vent sizing and material, gas input rate, air temperature rise, unit leveling, and unit

sizing.

Improper installation, adjustment, alteration, service,

maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause personal injury or property

damage. Consult a qualified service agency, local gas supplier, or your distributor or branch for information or assistance. The

qualified installer or agency must use only factory-authorized and listed kits or accessories when modifying this product.

Refer to the individual instructions packaged with the kits or

accessories when installing.

Installing and servicing heating equipment can be hazardous

due to gas and electrical components. Only trained and

qualified personnel should install, repair, or service

heating equipment. Untrained personnel can perform basic

maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained

service personnel. When working on heating equipment, observe precautions in literature, on tags, and on labels

attached to or shipped with furnace and other safety precautions that may apply.

These instructions cover minimum requirements and conform to existing national standards and safety codes. In some

instances, these instructions exceed certain local codes and

ordinances, especially those that may not have kept up with

changing residential construction practices. We require these instructions as a minimum for a safe installation.

Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or

cautions included in literature and attached to the unit.

CUT HAZARD

Failure to follow this caution may result in personal injury.

Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety

glasses and gloves when handling parts, and servicing

furnaces.

This is the safety-alert symbol /iX •When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury.

Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol.

DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies a

hazard which could result in personal injury or death. CAUTION is used to identify hazards which may result in minor personal injury or product and property damage. NOTE and

NOTICE are used to highlight suggestions which wilt result in enhanced installation, reliability, or operation.

1. Use only with type of gas approved for this furnace. Refer to the furnace rating plate.

2. Install this furnace only in a location and position as specified in the "Location" section of these instructions.

3. Provide adequate combustion and ventilation air to the furnace space as specified in "Air for Combustion and Ventilation" section.

4. Combustion products must be discharged outdoors. Connect this furnace to an approved vent system only, as specified in the "Venting" section of these

instructions.

5. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections, as specified in the "Gas Piping" section.

6. Always install furnace to operate within the furnace's intended temperature-rise range with a duct system which has an external static pressure within the allowable range, as specified in the "Start-Up, Adjustments, and Safety Check" section. See furnace rating plate.

7. When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to the furnace casing and

terminating outside the space containing the furnace. See "Air Ducts" section.

8. A gas-fired furnace for installation in a residential garage must be installed as specified in the warning box

in the "Location" section. (See Figure 4)

9. The furnace may be used for construction heat provided that the furnace installation and operation complies with the first CAUTION in the LOCATION section on page 7

of these instructions.

10. These Multipoise Gas-Fired Furnaces are CSA design-certified for use with natural and propane gases

(see furnace rating plate) and for installation in alcoves, attics, basements, closets, utility rooms, crawlspaces, and garages. The furnace is factory-shipped for use with natural gas. A CSA (A.G.A. and C.G.A.) listed

440 01 4001 04 Specifications subject to change without notice. 3

accessory gas conversion kit is required to convert furnace for use with propane gas.

11.

See Table 1 for required clearances to combustible construction.

12.

Maintain a 1-in. (25 mm) clearance from combustible materials to supply air ductwork for a distance of 36-in. (914 mm) horizontally from the furnace. See NFPA 90B or local code for further requirements.

Minimum Clearances to

Table 1 Combustible Materials for All Units

POSITION

REAR

FRONT (Combustion air openings in

furnace and in structure)

Required for service

All Sides of Supply Plenum

Sides

Vent

Top of Furnace

* Consult local building codes

13.

These furnaces SHALL NOT be installed directly on carpeting, combustible tile, or any other combustible

material other than wood flooring. In downfiow installations, factory accessory floor base MUST be

used when installed on combustible materials and wood flooring. Special base is not required when this furnace

is installed on manufacturer's Coil Assembly or when Coil Box is used. See Table 1 for clearance to

combustible construction information.

CLEARANCE

In(mm)

1(25)

*24 (610)

.1 (25)

0 0

1(25)

Introduction

The 4-way multipoise Category IV condensing furnace is CSA design-certified as a direct vent (2-pipe) or non-direct vent

(1-pipe) furnace. (See Figure 3) The furnace is factory-shipped for use with natural gas. The furnace can be

converted in the field for use with propane gas when a factory-supplied conversion kit is used. Refer to the furnace

rating plate for conversion kit information. These furnaces are not approved for installation in recreational

vehicles or outdoors. Single-stage furnaces (40k through 120k) are approved for installation in manufactured

housing/mobile homes with manufacturer approved accessory. Single Stage furnace is approved for installation in a mobile

home when a factory-supplied accessory mobile home conversion kit is used. The conversion kit is required for use

with both natural and propane gas. The furnace must also be installed on a factory-supplied accessory combustible floor base or evaporator coil casing.

This furnace is designed for minimum continuous return-air temperature of 60°F (15°C) db or intermittent operation down to

55°F (15°C) db such as when used with a night setback thermostat. Return-air temperature must not exceed 80°F

(27°C) db. Failure to follow these return-air temperature limits may affect reliability of heat exchangers, motors, and controls

(See Figure 1) The furnace should be sized to provide 100 percent of the

design heating load requirement plus any margin that occurs because of furnace model size capacity increments. Heating load estimates can be made using approved methods available

from Air Conditioning Contractors of America (Manual J); American Society of Heating, Refrigerating, and

Air-Conditioning Engineers; or other approved engineering methods. Excessive oversizing of the furnace could cause the

furnace and/or vent to fail prematurely.

For accessory installation details, refer to the applicable instruction literature.

NOTE: Remove all shipping materials, parts assemblies and literature before operating the furnace.

I Freeze Protection and Return Air

Figure 1 _Temperature

_" SUPPLY AIR

FRONT

32° F/0° C MINIMUM INSTALLED AMBIENT OR FREEZE

PROTECTION REQUIRED

MAX 80°F/27°C

MIN 60°F/16°C

A10490

Codes and Standards

Follow all national and local codes and standards in

addition to these instructions. The installation must comply

with regulations of the serving gas supplier, local building,

heating, plumbing, and other codes. In absence of local codes,

the installation must comply with the national codes listed

below and all authorities having jurisdiction. In the United States and Canada, follow all codes and

standards for the following:

Safety

• US: National Fuel Gas Code (NFGC) NFPA 54-2009/ANSI Z223.1-2009 and the Installation

Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B

• A manufactured (Mobile) home installation must conform with the Manufactured Home Construction

and Safety Standard, Title 24 CFR, Part 3280, or when this standard is not applicable, the Standard for

Manufactured Home Installation (Manufactured Home Sites, Communities, and Set-Ups),ANSI/NCS A225.1, and/or CAN/CSA-Z240, MH Series Mobile Homes

• CANADA: National Standard of Canada, Natural Gas and Propane Installation Code (NSCNGPIC)

CAN/CSA B149.1-2010

General Installation

• US: NFGC and the NFPA 90B. For copies, contact the

National Fire Protection Association Inc., Batterymarch Park, Quincy, MA 02269; or for only the

NFGC contact the American Gas Association, 400 N.

Capitol, N.W., Washington DO 20001.

• CANADA: NSCNGPIC. For a copy, contact Standard Sales, CSA International, 178 Rexdale Boulevard,

Etobicoke (Toronto), Ontario, M9W 1R3, Canada.

4 Specifications subject to change without notice. 440 01 4001 04

Combustion and Ventilation Air

• US: Section 9.3 ofthe NFPA54/ANSI Z223.1-2009,

Air for Combustion and Ventilation

• CANADA: Part 8 of the CAN/CSA B149.1-2010, Venting Systems and Air Supply for Appliances

Duct Systems

• US and CANADA: Air Conditioning Contractors Association (ACCA) Manual D, Sheet Metal and Air

Conditioning Contractors National Association

(SMACNA), or American Society of Heating,

Refrigeration, and Air Conditioning Engineers (ASHRAE) 2005 Fundamentals Handbook Chapter 35.

Acoustical Lining and Fibrous Glass

Duct

• US and CANADA: current edition of SMACNA, NFPA 90B as tested by UL Standard 181 for Class I Rigid Air

Ducts

Gas Piping and Gas Pipe Pressure

Testing

• U.S.A.: NFPA 54/ANSI Z223.1-2009, NFGC; Chapters 5, 6, 7, and 8 and national plumbing codes.

• CANADA: CAN/CSA-B149.1-2010, Parts 4, 5, 6 and

In the state of Massachusetts:

• This product must be installed by a licensed plumber or gas fitter.

• When flexible connectors are used, the maximum length shall not exceed 36-in. (914 mm).

• When lever type gas shutoffs are used they shall be T-handle type.

• The use of copper tubing for gas piping is not approved by the state of Massachusetts.

Electrical Connections

• U.S.A.: National Electrical Code (NEC) ANSI/NFPA 70-2011

• CANADA: Canadian Electrical Code CSA C22.1

Electrostatic Discharge (ESD) Precautions Procedure

FURNACE RELIABILITY HAZARD

Failure to follow this caution may result in unit com- 3onent damage.

Electrostatic discharge can affect electronic compon-

ents. Take precautions during furnace installation and servicing to protect the furnace electronic control. Pre- cautions will prevent electrostatic discharges from per- sonnel and hand tools which are held during the pro- cedure. These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace, the control, and the person at the same elec- trostatic potential.

1. Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE

CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR TO DISCHARGING YOUR BODY'S ELECTROSTATIC CHARGE TO GROUND.

2. Firmly touch the clean, unpainted, metal surface of the furnace chassis which is close to the control. Tools held

in a person's hand during grounding will be satisfactorily discharged.

3. After touching the chassis, you may proceed to service the control or connecting wires as long as you do nothing to recharge your body with static electricity (for example; DO NOT move or shuffle your feet, do not touch ungrounded objects, etc.).

4. If you touch ungrounded objects (and recharge your body with static electricity), firmly touch a clean, unpainted metal surface of the furnace again before touching control or wires.

5. Use this procedure for installed and uninstatled (ungrounded) furnaces.

6. Before removing a new control from its container, discharge your body's electrostatic charge to ground to protect the control from damage. If the control is to be installed in a furnace, follow items 1 through 4 before bringing the control or yourself in contact with the

furnace. Put all used and new controls into containers before touching ungrounded objects.

7. An ESD service kit (available from commercial sources) may also be used to prevent ESD damage.

Accessories

See Specification Sheets for a list of accessories for this product.

Table 2

QUANTITY

1 1 Air Intake Pipe Flange

1 Vent Pipe Flange

2 Pipe Flange Gaskets

10 Sharp Tip Screws (Vent and Inlet Flanges)

1 Vent Pipe Coupling

2 Vent Pipe Coupling Clamps

1 Pressure Switch Tube 1 Rubber Drain Elbow

4 Drain Elbow Clamps

1 1/2"CPVC to 3/4" PVC Pipe Adapter 1 Gas Line Grommet

1 Gas Line Knockout Plug 1 Junction Box Cover

1 Junction Box Base 1 Green Ground Screw

3 Blunt Tip Screws (Junction Box)

1 Thermostat Wire Grommet

Provided separately in furnace

1 Drain Extension Tube - "Z" Pipe

NOTE: Only used on 40K BTUH furnaces from 0 to 2000 ft. (0 to 610m) above sea level for total equivalent vent lengths under

lOft.

Loose Parts Bag Contents

(shipped in blower compartment) DESCRIPTION (Provided in Loose Parts Bag)

Outlet Choke Plate - see NOTE

(used with 40k BTUH furnaces, only)

440 01 4001 04 Specifications subject to change without notice. 5

Figure 2 1Dimensions

6 15/16

11761]

26 3/8

[670 O]

_ 28 5/16

[592 9]

LOCATION

TOP VIEW _ S 11/16

[678 1]

[686 7]

[10161

[222]

THERMOSTAT ENTRY

[170 11

S [762]

[222]

[6351

#7/e [222]

¢ 7/8

[222]

23/10

_ [584]

AIR INTAKE

[445]

GAS CONN

VENT

NOTES:

1. Doors may vary by model.

2. Minimum return-air openings at furnace, based on metal duct. If flex duct is used, see flex duct manufacturer's recommendations for equivalent diameters.

a. For 800 CFM-16-in. (406 mm) round or 14 1/2 x 12-in. (368 x 305 mm) rectangle. b. For 1200 CFM-20-in. (508 mm) round or 14 1/2 x 19 1/2-in. (368 x 495 mm) rectangle. c. For 1600 CFM-22-in. (559 mm) round or 14 1/2 x 22 1/16-in. (368 x 560mm) rectangle. d. Return air above 1800 CFM at 0.5 in. w.c. ESP on 24.5" casing, requires one of the following

configurations: 2 sides, 1 side and a bottom or bottom only. See Air Delivery table in this document for specific use to allow for sufficient airflow to the furnace.

3. Vent and Combustion air pipes through blower compartment must use accessory "Vent Kit - Through the Cabinet". See accessory list for

current part number.

OUTLET WIDTH

AIR FLOW

® ®

[82 e 4]

AIR INTAKE

= 26 s/a

[76.2]

1762]

29 1/2

[749 31

[730 S]

_21 15/16 _

_1 3/4 [445]

GASOONN

{22¸8

¢7/a

{22¸8

[101.61

[22.21 THERMOSTAT ENTRY

2as/4

1678 1]

[66991

[557 41

[5ssq

[522 7]

[222] POWERCONN

1 (BOTH SIDES) 11/16 _ _ C _ _ 11/16 I BOWOM iNLET21 5/6

[254] [175] SO I_OM RETURN [175] [154 O] [549 5]

[558 3] (BOTH SIDES) WIDTH

[534 O] [333] 26 5/16

[666 8]

(F/G)9MVT

FURNACE SIZE

0401410 7-1/8 (181) 121 (54) 0601714 8-3/4 (222) 142 (63) 0801716 8-3/4 (222) 152 (68)

CABINET

WIDTH

14-3/16 (361)

17-1/2 (445) 17-1/2 (445)

OUTLET WIDTH

12-1/2 (319) 15-7/8 (403) 15-7/8 (403)

0802120 21 (533) 19-3/8 (492) 10-1/2 (267) 156 (71)

1002120 21 (533) 19-3/8 (492) 10-1/2 (267) 166 (75) 1202422 24-1/2 (622) 22-7/8 (581) 12-1/4 (311) 190 (86)

(F/G)9MXT

FURNACE SIZE

0401410 7-1/8 (181) 125 (56) 0601714 8-3/4 (222) 146 (66)

CABINET

WIDTH

14-3/16 (361)

17-1/2 (445)

OUTLET WIDTH

12-1/2 (319) 15-7/8 (403)

0801716 17-1/2 (445) 15-7/8 (403) 8-3/4 (222) 156 (70) 0802120 21 (533) 19-3/8 (492) 10-1/2 (267) 161 (73)

1002120 21 (533) 19-3/8 (492) 10-1/2 (267) 171 (77) 1202422 24-1/2 (622) 22-7/8 (581) 12-1/4 (311) 195 (88)

(F/G)9MXE

FURNACE SIZE

0401410 (319) 7-1/8 (181) 120 (54) 0601714 (403) 8-3/4 (222) 141 (63)

0801716 (403) 8-3/4 (222) 151 (68) 0802120 (492) 10-1/2 (267) 156 (71)

1002120 (492) 10-1/2 (267) 166 (75) 1202422 (581) 12-1/4 (311) 190 (85)

A B

CABINET

WIDTH

OUTLET WIDTH AIR INTAKE

14-3/16 (361) 12-1/2

17-1/2 (445) 15-7/8 17-1/2 (445) 15-7/8

21 (533) 19-3/8 21 (533) 19-3/8

24-1/2 (622) 22-7/8

NOTE: ALL DIMENSIONS IN INCH [MM] 1592 O]

BOTTOM

INLET WIDTH

AIR INTAKE

12-9/16 (322)

16 (406) 16 (406)

19-1/2 (495) 19-1/2 (495)

23 (584)

BOTTOM

INLET WIDTH

AIR INTAKE

12-9/16 (322)

16 (406) 16 (406)

19-1/2 (495) 19-1/2 (495)

23 (584)

BOTTOM

INLET WIDTH

12-9/16 (322)

16 (406) 16 (406)

19-1/2 (495) 19-1/2 (495)

23 (584)

[666 8]

SD5060-4

SHIP WT.

LB (KG)

SHIP WT.

LB (KG)

SHIP WT.

LB (KG)

6 Specifications subject to change without notice. 440 01 4001 04

Location

PERSONAL INJURY AND/OR PROPERTY DAMAGE HAZARD

Improper use or installation of this furnace may result in 3remature furnace component failure. This gas furnace

may be used for heating buildings under construction

3rovided that:

-The furnace is permanently installed with all electrical wiring, piping, venting and ducting installed according to

these installation instructions. A return air duct is

3rovided, sealed to the furnace casing, and terminated outside the space containing the furnace. This prevents a negative pressure condition as created by the

circulating air blower, causing a flame rollout and/or drawing combustion products into the structure.

-The furnace is controlled by a thermostat. It may not be "hot wired" to provide heat continuously to the structure without thermostatic control.

-Clean outside air is provided for combustion. This is to minimize the corrosive effects of adhesives, sealers and

other construction materials. It also prevents the entrainment of drywall dust into combustion air, which can cause fouling and plugging of furnace components.

-The temperature of the return air to the furnace is maintained between 55°F (13°C) and 80°F (27°C), with no evening setback or shutdown. The use of the furnace

while the structure is under construction is deemed to be intermittent operation per our installation instructions.

-The air temperature rise is within the rated rise range on the furnace rating plate, and the gas input rate has been

set to the nameplate value.

-The filters used to clean the circulating air during the construction process must be either changed or

thoroughly cleaned prior to occupancy.

-The furnace, ductwork and filters are cleaned as necessary to remove drywall dust and construction

debris from all HVAC system components after construction is completed.

-Verify proper furnace operating conditions including ignition, gas input rate, air temperature rise, and venting according to these installation instructions.

General

These furnaces are shipped with materials to assist in proper furnace installation. These materials are shipped in the main blower compartment.

See Table 2 for loose parts bag contents. This furnace must:

• be installed so the electrical components are protected from water.

• not be installed directly on any combustible material other than wood flooring (refer to SAFETY CONSIDERATIONS).

be located close to the chimney or vent and attached to an air distribution system. Refer to Air Ducts section.

be provided ample space for servicing and cleaning.

Always comply with minimum fire protection clearances

shown in Table 1 or on the furnace clearance to corpbustible construction label.

CARBON MONOXIDE POISONING / COMPONENT DAMAGE HAZARD

Failure to follow this warning could result in personal in-

jury or death and unit component damage.

Corrosive or contaminated air may cause failure of parts containing flue gas, which could leak into the living

space. Air for combustion must not be contaminated by halogen compounds, which include fluoride, chloride,

bromide, and iodide. These elements can corrode heat exchangers and shorten furnace life. Air contaminants

are found in aerosol sprays, detergents, bleaches, clean- ing solvents, salts, air fresheners, and other household products. Do not install furnace in a corrosive or contam- inated atmosphere. Make sure all combustion and circu-

lating air requirements are met, in addition to all local codes and ordinances.

The following types of furnace installations may require OUTDOOR AIR for combustion due to chemical exposures:

• Commercial buildings

• Buildings with indoor pools

• Laundry rooms

• Hobby or craft rooms, and

• Chemical storage areas

If air is exposed to the following substances, it should not be used for combustion air, and outdoor air may be required for combustion:

• Permanent wave solutions

• Chlorinated waxes and cleaners

• Chlorine based swimming pool chemicals

• Water softening chemicals

• De-icing salts or chemicals

• Carbon tetrachloride

• Halogen type refrigerants

• Cleaning solvents (such as perchloroethylene)

• Printing inks, paint removers, varnishes, etc.

• Hydrochloric acid

• Cements and glues

• Antistatic fabric softeners for clothes dryers

• Masonry acid washing materials

All fuel-burning equipment must be supplied with air for fuel combustion. Sufficient air must be provided to avoid negative pressure in the equipment room or space. A positive seal must

be made between the furnace cabinet and the return-air duct to prevent pulling air from the burner area.

440 01 4001 04 Specifications subject to change without notice. 7

Figure 3 1Multipoise Orientations

THE BLOWER IS LOCATED

TO THE RIGHT OF THE

BURNER SECTION, AND

CONDITIONED AIR IS

DISCHARGED TO THE LEFT.

AIRFLOW

THE BLOWER IS

LOCATED BELOW THE

BURNER SECTION, AND

CONDITIONED AIR IS

DISCHARGED UPWARD.

I HORIZONTAL RIGHT1AIF F_LC w

THE BLOWER IS

LOCATED ABOVE THE

BURNER SECTION, AND

CONDITIONED AIR IS

DISCHARGED DOWNWARD. AIRFLOW

FIRE, INJURY OR DEATH HAZARD Failure to follow this warning could result in personal in-

jury, death and/or property damage. When the furnace is installed in a residential garage, the

burners and ignition sources must be located at least 18-in. (457 mm) above the floor. The furnace must be located or protected to avoid damage by vehicles. When the furnace is installed in a public garage, airplane

hangar, or other building having a hazardous atmo- sphere, the furnace must be installed in accordance with

the NFPA 54/ANSI Z223.1-2009 or CAN/CSA B149.1-2010. (See Figure 4)

Figure 4 1Installation in a Garage

THE BLOWER IS

LOCATED TO THE LEFT

OF THE BURNER SECTION,

AND CONDITIONED AIR IS

DISCHARGED TO THE RIGHT.

Figure 5 _Prohibit Installations

BACK POSITIONED DOWNWARD

BACK POSITIONED UPWARD

L12F010

RETURN CUT IN BACK

L12F011

Location Relative to Cooling Equipment

The cooling coil must be installed parallel with, or on the

downstream side of the unit to avoid condensation in the heat exchangers. When installed parallel with the furnace, dampers

or other flow control must prevent chilled air from entering the

furnace. If the dampers are manually operated, they must be

18-1N. (457.2 mm) MINIMUM TO BURNERS A93044

FIRE HAZARD

Failure to follow this warning could result in personal in-

jury, death and/or property damage.

Do not install the furnace on its back or hang furnace with control compartment facing downward. Safety control operation will be adversely affected. Never connect re- turn-air ducts to the back of the furnace. (See Figure 5)

8 Specifications subject to change without notice. 440 01 4001 04

equipped with means to prevent operation of either unit unless

the damper is in the full-heat or full-cool position.

Air for Combustion and Ventilation

Introduction

Direct Vent (2-pipe) Applications

When the furnace is installed as a direct vent (2-pipe) furnace,

no special provisions for air for combustion are required. However, other gas appliances installed in the space with the

furnace may require outside air for combustion. Follow the guidelines below to insure that other gas appliances have

sufficient air for combustion.

Non-Direct Vent (1-pipe) Applications

When the furnace is installed as a non-direct vent (1-pipe) furnace, it wilt be necessary to insure there is adequate air for

combustion. Other gas appliances installed with the furnace may also require air for combustion and ventilation in addition

to the amount of combustion air and ventilation air required for the furnace. Follow the guidelines below to insure that the

furnace and other gas appliances have sufficient air for combustion.

Ventilated Combustion Air Applications

When the furnace is installed using the ventilated combustion air option, the attic or crawlspace must freely communicate with

the outdoor to provide sufficient air for combustion. The combustion air pipe cannot be terminated in attics or crawlspaces that use ventilation fans designed to operate

during the heating season. If ventilation fans are present in these areas, the combustion air pipe must terminate outdoors

as a Direct Vent/2-Pipe system. All air for combustion is piped directly to the furnace from a

space that is well ventilated with outdoor air (such as an attic, crawlspace, or equipment closet) and the space iswell isolated

from the living space or garage. In addition, other gas appliances installed in the space with the furnace may require

outside air for combustion. Follow the guidelines below to

insure that the roof or crawlspace walls have sufficient free

area to provide sufficient air for combustion and ventilation for the furnaces. The guidelines below can be used to insure that

other gas appliances have sufficient air for combustion.

Provisions for adequate combustion, ventilation, and dilution air

must be provided in accordance with:

• U,S, Installations: Section 9.3 of the NFPA 54/ANSI Z223.1-2009 , Air for Combustion and Ventilation and

applicable provisions of the local building codes.

• Canadian Installations: Part 8 of CAN/CSA-B149.1-2010, Venting Systems and Air

Supply for Appliances and all authorities having jurisdiction.

FURNACE CORROSION HAZARD

Failure to follow this caution may result in furnace

damage. Air for combustion must not be contaminated by halogen

compounds, which include fluoride, chloride, bromide, and iodide. These elements can corrode heat

exchangers and shorten furnace life. Air contaminants are found in aerosol sprays, detergents, bleaches,

cleaning solvents, salts, air fresheners, and other household products.

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

The operation of exhaust fans, kitchen ventilation fans,

clothes dryers, attic exhaust fans or fireplaces could create a NEGATIVE PRESSURE CONDITION at the

furnace. Make-up air MUST be provided for the ventilation devices, in addition to that required by the furnace. Refer to the Carbon Monoxide Poisoning

Hazard warning in the venting section of these instructions to determine if an adequate amount of make-up air is available.

The requirements for combustion and ventilation air depend upon whether or not the furnace is located in a space having a volume of at least 50 cubic feet per 1,000 Btuh (4.8 cubic

meters per kW) input rating for all gas appliances installed in the space.

• Spaces having less than 50 cubic feet per 1,000 Btuh (4.8 cubic meters per kW) require the OUTDOOR

COMBUSTION AIR METHOD.

• Spaces having at least 50 cubic feet per 1,000 Btuh (4.8 cubic meters per kW) may use the INDOOR COMBUSTION AIR, STANDARD or KNOWN AIR

INFILTRATION METHOD.

Outdoor Combustion Air Method

1. Provide the space with sufficient air for proper combustion, ventilation, and dilution of flue gases using

permanent horizontal or vertical duct(s) or opening(s) directly communicating with the outdoors or spaces that freely communicate with the outdoors.

2. Figure 6 illustrates how to provide TWO OUTDOOR OPENINGS, one inlet and one outlet combustion and ventilation air openings to the outdoors.

a. One opening MUST commence within 12-in.

(300 mm) of the ceiling and the second opening MUST commence within 12-in. (300 mm) of the floor.

b. Size openings and ducts per Figure 6 and Table 3. c. TWO HORIZONTAL DUCTS require 1 square inch

(25.4 square mm) of free area per 2,000 Btuh (1,100 mm2/kW) of combined input for all gas appliances in

the space per Figure 6 and Table 3.

d. TWO OPENINGS OR VERTICAL DUCTS require 1

square inch (25.4 square mm)of free area per 4,000 Btuh (550 mm2/kW) for combined input of all gas appliances in the space per Figure 6 and Table 3.

3. ONE OUTDOOR OPENING requires:

a. 1 sq. in. (25.4 square mm)of free area per 3,000 Btuh

(734 mm2/kW) for combined input of all gas appliances in the space per Table 3 and

b. Not less than the sum of the areas of all vent

connectors in the space.

The opening shall commence within 12-in. (300 mm) of the ceiling. Appliances in the space shall have clearances of at

least 1-in. (25 mm) from the sides and back and 6-in. (150 mm) from the front. The opening shall directly communicate with the

outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces (crawl or attic) that freely

communicate with the outdoors.

440 01 4001 04 Specifications subject to change without notice. 9

Indoor Combustion Air ° NFPA & AGA

Standard and Known-Air-Infiltration Rate Methods

Indoor combustion air is permitted for combustion, ventilation,

and dilution, if the Standard or Known-Air-Infiltration Rate Method is used.

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

Many homes require air to be supplied from outdoors

for furnace combustion, ventilation, and dilution of flue

gases.

The furnace combustion air supply must be provided in

accordance with this instruction manual.

Figure 6

(305r_n_)12"MAX]j

I SQIN. _,1ii

PER2000 IIB

BTUH* J

so i .

PER 2000 A

BTOH*

(305mm) 12"MAXJ | [,

CIRCULATING AIR DUCTS

*Minimum dimensions of 3-in. (76mm)

NOTE: Use any of the following combinations of openings:

A&B, C&D, D&E, F&G

The Standard Method:

1. The space has no less volume than 50 cubic feet per 1,000 Btuh (4.8 cubic meters per kW) of the maximum

input ratings for all gas appliances installed in the space and

2. The air infiltrationrate is not known to be less than 0.40 air changes per hour (ACH).

The Known Air Infiltration Rate Method shall be used, if the infiltration rate is known to be:

1. Less than 0.40 ACH and

2. Equal to or greater than 0.10 ACH

Infiltration rates greater than 0.60 ACH shall not be used. The minimum required volume of the space varies with the number

of ACH and shall be determined per Table 4 or Equations 1

and Dilution for Outdoors

Air for Combustion, Ventilation,

A'_ 1 SQ IN.

DUCTS ,

TO _ / _ PER4000

OUTDOORS

._kll_ ......... ........

, V

1 SO IN.

BTUH*

OUTDOORS BTUH*

12" MAX (305ram)

TO PER 4000

I SQ IN,

12_X (305mrn)

PER

4000

O O

SO IN,

PER

4000

_2j_X (305ram)

Lt2F012

and 2. Determine the minimum required volume for each appliance in the space and add the volumes together to get the

total minimum required volume for the space. Table 4 - Minimum Space Volumes were determined by

using the following equations from the National Fuel Gas Code

ANSI Z223.1/NFPA 54-2009, 9.3.2.2:

1. For other than fan-assisted appliances, such as a draft hood-equipped water heater

Volume _ 21ft 3 (" I other "_ A04002

Other ACH _.000 Btu/hr]

2. For fan-assisted appliances such as this furnace:

VolumeFan ACH 000 Btu/hr

_ 15ft3 I fan

( ) o40o

If: Iother=combined input of all other than fan-assisted

appliances in Btuh/hr

Ifan=combined input of all fan-assisted appliances in Btuh/hr

ACH = air changes per hour (ACH shall not exceed 0.60.) The following requirements apply to the Standard Method and

to the Known Air Infiltration Rate Method.

1. Adjoining rooms can be considered part of a space if:

a. There are no closable doors between rooms.

b. Combining spaces on same floor level. Each opening

shall have free area of at least 1-in.2/1,000 Btuh

(2,000 mm2/kW) of the total input rating of all gas

appliances in the space, but not less than 100-in. 2

(0.06 m2). One opening shall commence within 12-in. (300 mm) of the ceiling and the second opening shall

commence within 12-in. (300 mm) of the floor. The minimum dimension of air openings shall be at least

3-in. (80 mm). (See Figure 7)

c. Combining space on different floor levels. The

volumes of spaces on different floor levels shall be

considered as communicating spaces if connected by one or more permanent openings in doors or floors

having free area of at least 2-in.2/1,000 Btuh (4,400 mm2/kW) of total input rating of all

gas appliances.

2. An attic or crawlspace may be considered a space that freely communicates with the outdoors provided there

are adequate permanent ventilation openings directly to

outdoors having free area of at least 1-in.2/4,000 Btuh of

total input rating for all gas appliances in the space.

3. In spaces that use the Indoor Combustion Air Method,

infiltration should be adequate to provide air for combustion, permanent ventilation and dilution of flue gases. However, in buildings with unusually tight construction, additional air MUST be provided using

the methods described in the Outdoor Combustion Air

Method section.

4. Unusually tight construction is defined as Construction with:

a. Walls and ceilings exposed to the outdoors have a

continuous, sealed vapor barrier. Openings are gasketed or sealed and

b. Doors and openable windows are weatherstripped

and

c. Other openings are caulked or sealed. These include

joints around window and door frames, between sole

plates and floors, between walt-ceiling joints, between

wall panels, at penetrations for plumbing, electrical and gas lines, etc.

10 Specificationssubjectto change without notice. 440 01 4001 04

Figure 7

INTERIOR

HEATED

CIRCULATING AIR

DUCTS

I I

I I I I

SPACE

Air for Combustion, Ventilation, and Dilution from Indoors

VENT

I I I I I I

I I I

i:_ _ 1 SQIN.

_" m _ PER 1000

_: _ BTUH* IN DOOR _ ORWALL

C_ UNCONFINED

ca SPACE

rr T 6" MIN (152ram) u_ o0 (FRONT)0

zoo

z_ PER 1000

Combination of Indoor and Outdoor Air

Indoor openings shall comply with the Indoor Combustion Air Method below and,

Outdoor openings shall be located as required in the Outdoor Combustion Air Method mentioned previously

and,

Outdoor openings shall be sized as follows:

Calculate the Ratio of all Indoor Space volume divided by required volume for Indoor Combustion

Air Method.

Outdoor opening size reduction Factor is one minus the Ratio in a. above.

Minimum size of Outdoor openings shall be the size required in Outdoor Combustion Air Method above multiplied by reduction Factor in b. above. The minimum dimension of air openings shall be not less

than 3-in. (80 mm).

I I

I - 12" MAX (3O5mm)

I I

CIRCULATING AIR DUCTS

* Minimum opening size is 100 sq in. (64516 sq. mm) with

minimum dimensions of 3-in. (76mm)

1 Minimum of 3-in. (76mm) when type-B1 vent is used, Lt2F013

Table 3 Minimum Free Area Required for Each Combustion Air Opening or Duct to Outdoors

TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING TWO OPENINGS OR

(1 SQ. IN./2,000 BTUH) (1 SQ. IN./3,000 BTUH)

FURNACE (1,100 SQ. MM/KW) (734 SQ. MM/KW) (1 SQ. IN./4,000 BTUH)

INPUT

Round Round

(BTUH) Free Area of Duct Free Area of Open- Duct Free Area of Open- Round Duct

Opening and Duct In. (mm) ing and Duct In. (mm) ing and Duct In. (mm)

Sq. In (Sq. mm) Dia Sq. In (Sq. mm) Dia Sq. In (mm) Dia.

40,000* 20 (12904) 5 (127) 14 (8696) 5 (127) 10 (6452) 4 (102)

60,000 30 (19355) 6 (152) 20 (13043) 5 (127) 15 (9678) 5 (127) 80,000 40 (25807) 7 (178) 27 (17391) 6 (152) 20 (12904) 5 (127)

100,000 50 (32258) 8 (203) 34 (21739) 7 (178) 25 (16130) 6 (152) 120,000 60 (38709) 9 (229) 40 (26087) 7 (178) 30 (19355) 6 (152)

140,000" 70 (45161) 10 (254) 47 (30435) 8 (203) 35 (22581) 7 (178)

• Not all families have these models,

EXAMPLE: Determining Free Area

VERTICAL DUCTS

(550 SQ. MM/KW)

FURNACE WATER HEATER TOTAL INPUT

100,000 + 30,000 = (130,000 divided by 4,000)

60,000 + 40,000 = (100,000 divided by 3,000) 80,000 + 30,000 = (110,000 divided by 2,000)

= 32.5 Sq. In. for each two Vertical Ducts or Openings = 33.3 Sq. In. for each Single Duct or Opening

= 55.0 Sq. In. for each two Horizontal Ducts

440 01 4001 04 Specificationssubjectto change without notice. 11

Table 4 Minimum Space Volumes for 100% Combustion, Ventilation and Dilution Air from Outdoors

OTHER THAN FAN-ASSISTED TOTAL FAN-ASSISTED TOTAL

(1,000'S BTUH GAS INPUT RATE) (1,000'S BTUH GAS INPUT RATE)

30 40 50 40 60 80 1 O0 120 140

AOH Space Volume Ft 3 (M 3)

0.60 (29.7) (39.6) (49.5) (39.6) (42.5) (56.6) (70.8) (84.9) (99.1)

0.50 (35.6) (47.5) (59.4) (47.5) (51.0) (67.9) (84.9) (101.9) (118.9)

0.40 (44.5) (59.4) (74.3) (59.4) (63.7) (84.9) (106.1 ) (127.3) (148.6)

0.30 (59.4) (79.2) (99.1) (79.2) (84.9) (113.2) (141.5) (169.8) (198.1 )

0.20 (89.1) (118.9) (148.6) (118.9) (127.3) (169.8) (212.2) (254.6) (297.1)

0,10 (178.0) (237.8) (297.3) (237.8) (254.6) (339.5) (424.4) (509.2) (594.1) 0,00 NP NP NP NP NP NP NP NP NP

NP = Not Permitted

1,050 1,400 1,750 1,400 1,500 2,000 2,500 3,000 3,500

1,260 1,680 2,1 O0 1,680 1,800 2,400 3,000 3,600 4,200

1,575 2,1 O0 2,625 2,1 O0 2,250 3,000 3,750 4,500 5,250

2,1 O0 2,800 3,500 2,800 3,000 4,000 5,000 6,000 7,000

3,150 4,200 5,250 4,200 4,500 6,000 7,500 9,000 10,500

6,300 8,400 10,500 8,400 9,000 12,000 15,000 18,000 21,000

CONDENSATE TRAP

Condensate Trap - Upflow Orientation

When the furnace is installed in the upflow position, it is not necessary to relocate the condensate trap or associated tubing. Refer to Figure8 for upflow condensate trap information. Refer to Condensate Drain section for information how to install the condensate drain.

Condensate Trap - Downflow Orientation

When the furnace is installed in the downflow position, the condensate trap will be initially located at the upper left corner

of the collector box, as received from the factory. See the top

Figure 8 _Upflow Trap Configuration

Condensate Trap

Relief Port

Collector Box

Plugs

image in Figure9. When the furnace is installed in the downflow orientation, the condensate trap must be relocated

for proper condensate drainage. See the bottom image in

Figure 9.

To Relocate the Condensate Trap:

• Orient the furnace in the downflow position.

• Figure 9 shows the condensate trap and tubing before and after relocation. Refer to Figure 9 to begin the trap conversion.

• Refer to Condensate Drain section for information how to install the condensate drain.

Vent Pipe Clamp

Vent Elbow Clamp

Vent Elbow

Collector Box

Plug

Condensate Trap

Relief Port

Pressure Switch

Port

UPFLOW TRAP CONFIGURATION

1 & 2 Stage Units

Representative drawing only, some models may vary in appearance.

Outlet

Al1307

12 specificationssubjectto change without notice. 440 01 4001 04

Figure 9

Unconverted Factory Configuration as viewed in the Downflow Orientation

Remove pressure switch tube from front pressure switch and discard. A

new tube is shipped in the loose parts

Remove tube from relief port.

tief

(_ emovethe screw /

that secures the trap to the collector box and

remove trap.

(_ Loosen clamp on inlet (1 and 2 Stage Units) Remove middle and bottom

to vent elbow, plugs. DO NOT DISCARD.

Representative drawing only, some models may vary in appearance. A11587LA

Downflow Trap Configuration

Connect the new pressure switch

tube from Loose Parts bag to _ Route tube through inducer

port on front pressure switch. _ stand-offs to adjust position

(_ nstall the two plugs

previously removed on the open ports

of the collector box.

(_) Connect relief tube

to port on collector box.

desired position

(_ Rotate elbow to

and tighten clamp to

15 lb.-in.

(_ Slide tube in stand-offs

to adjust length.

/ of the tube.

/ / r___-k N ) Trim excess tube.

/ / / X"-J Connect Pressure switch

/ / / tube to port on collector

.,,,_ _,, ' / t box.

I__i _ (/_ Attach condensate trap _,,\VV___ _,_ I,_ If====/II \ _ ) with screw to collector box.

_ ___----- _ relief port on condensate / trap.

(1 and2 Stage Units)

/_= Align condensate trap

ports of collector box.

Representative drawing only, some models may vary in appearance.

A11587LB

440 01 4001 04 specificationssubjectto change without notice. 13

Condensate Trap - Horizontal Orientation

When the furnace is installed in the horizontal right position, the condensate trap will be initially located at the bottom of the

collector box, as received from the factory. See the top image in Figure10. When the furnace is installed in the horizontal left

position, the condensate trap will be initially located at the top of the collector box, as received from the factory. See the top image

in Figure 11. In both cases the trap must be repositioned on the collector box for proper condensate drainage. See bottom images

in Figure 10 and Figure 11. A field-supplied, accessory Horizontal Installation Kit (trap

grommet) is required for all direct-vent horizontal installations (only). The kit contains a rubber casing grommet designed to seal

between the furnace casing and the condensate trap. (See

Figure 17)

The field-supplied, accessory horizontal drain trap

grommet is ONLY REQUIRED FOR DIRECT VENT

APPLICATIONS, It is NOT required for applications

using single-pipe or ventilated combustion air venting.

The condensate trap extends below the side of the casing in the horizontal position. A minimum of 2-in.

(51 mm) of clearance is required between the casing side and the furnace platform for the trap to extend out of the casing in the horizontal position. Allow at least

1/4-in. per foot (20mm per meter) of slope down and away from the furnace in horizontal sections of drain

line.

To Relocate the Condensate Trap:

• Remove the knockout in the casing for the condensate trap.

• Install the grommet inthe casing when required for direct-vent horizontal applications.

• Orient the furnace in the desired position.

• Allow for 2 in. (51 mm) of clearance underneath the furnace for

the condensate trap and drain line.

• Figure 10 shows the condensate trap and tubing before and

after relocation in the horizontal right position.

• Figure 11 shows the condensate trap and tubing before and

after relocation in the horizontal left position.

• Refer to the appropriate figure to begin the trap conversion.

• Refer to Condensate Drain section for information how to install

the condensate drain.

Figure 10 1Unconverted Factory Configuration as viewed in the Horizontal Right Orientation

collector box.

(_ emove plug from

DO NOT DISCARD.

Representative drawing only, some models may vary in appearance.

(1 AND 2 STAGE UNITS)

If alternate vent position is required, loosen clamp

on inlet of vent elbow.

Remove the screw that secures

the trap to the collector box and

remove trap.

A11573LA

14 Specificationssubjectto change without notice. 440 01 4001 04

HorizontalRightTrapConfiguration(CONTINUED)

NOTE: Remove knockout in

casing before re-installing the condensate trap.

trap with screw to

(_ ttach condensate

collector box.

Slide relief tube in stand-offs

to adjust length.

Vent elbow shown in alternate orientation. Tighten clamp on

inlet to vent elbow 15 lb.-in.

Figure 11

open port of

(_ nstall plug on

collector box

(1 AND 2 STAGE UNITS)

Representative drawing only, some models may vary in appearance.

Align trap over middle and

right-hand port on collector box.

Unconverted Factory Configuration as viewed in the Horizontal Left Orientation

Remove the screw that secures the condensate trap to the collector box

If alternate vent position is required, loosen clamp

on vent elbow inlet.

and remove trap.

Remove relief tube from relief port on condensate

trap.

Remove front pressure

switch tube and discard. A new tube is shipped in

the Loose Parts bag.

A11573LB

from port on collector --

(_ emove relief tube

box.

Remove middle and right plug from collector box.

(1 AND 2 STAGE UNITS)

Representative drawing only, some models may vary in appearance.

DO NOT DISCARD.

A11574LA

440 01 4001 04 specificationssubjectto change without notice. 15

NOTE: Remove knockout in casing before re-installing the

condensate trap.

(_ Rotate elbow to __.

desired position "_ and torque clamp

on inlet 15 lb.-in.

Horizontal Left Trap Configuration (CONTINUED)

Install two plugs previously removed in open ports on

collector box.

Connect relief tube to port on collector box.

(_ lide relief tube instand-offs to adjust

length.

(_ Attach condensatetrap with screw to

collector box.

(_ Align trap over middle

and right-hand port on collector box.

(1 AND 2 STAGE UNITS)

Representative drawing only, some models may vary in appearance.

Condensate Drain Connection

FROZEN AND BURST WATER PIPE HAZARD Failure to protect against the risk of freezing may result

in property damage. Special precautions MUST be made if installing furnace

in an area which may drop below freezing. This can cause improper operation or damage to equipment. If

furnace environment has the potential of freezing, the

drain trap and drain line must be protected. The use of accessory drain trap heaters, electric heat tape and/or

RV antifreeze is recommended for these installations.

PROPERY DAMAGE HAZARD Failure to follow this caution may result in burst water

pipes and/or property damage. If a condensate pump is installed, a plugged condensate

drain or a failed pump may cause the furnace to shut down. Do not leave the home unattended during freezing weather without turning off water supply and draining water pipes or otherwise protecting against the risk of

frozen pipes.

DO NOT trap the drain line in any other location than at the condensate drain trap supplied with the furnace. If possible, DO

NOT route the drain line where it may freeze. The drain line must terminate at an inside drain to prevent freezing of the

condensate and possible property damage. Special precautions MUST be made if installing furnace in an

area which may drop below freezing. This can cause improper operation or damage to the equipment. If the furnace

environment has the potential of freezing, the drain trap and drain line must be protected. A self-regulating, shielded and

waterproof heat tape rated at 3 to 6 watt per foot (10 to 20 watt

per meter) at 115 volt, 40° F (4° C) may be used to help provide

freeze protection. Wrap the drain trap and drain line with the

heat tape and secure with appropriate plastic ties. Follow the heat tape manufacturer's recommendations. Prime the trap

before furnace operation. Upflow/Downflow Orientation

In the Upflow or Downflow orientation, the condensate trap is inside the furnace casing. The condensate drain must be

routed from the trap through the furnace casing. The condensate drain can be routed through the left or right side of

the casing. (The left or right side is as you are viewing/facing the furnace from the front.) The furnace condensate drain can

be connected to the indoor coil condensate drain, humidifier or

auxiliary drain traps as shown in Figure 12.

NOTE: On narrower casings, it may be easier to remove the condensate trap, connect the drain line components and re-install the condensate trap. Read the steps thoroughly to

familiarize yourself with the required steps.

For Right Side Condensate Drain:

1. Remove the 7/8-in. knock-out from the right side of the casing. (See Figure 13 for suggested knockout removal

technique.)

2. Remove the pre-formed rubber drain elbow and two spring clamps from the loose parts bag.

3. Slide a spring clamp 1-in. (25 mm) down the plain end (the end without the formed grommet) of the drain elbow.

4. From inside the casing, insert the formed grommet end of the elbow through the 7/8-in. knockout in the casing.

5. Pull the grommet through the casing from the outside until it is seated in the knockout

6. Attach the plain end of the drain elbow to the outlet stub on the drain trap. Secure the drain elbow to the trap with

the spring clamp.

The remaining drain line can be constructed from field supplied

1/2-in. CPVC or 3/4-in. PVC pipe in compliance with local building codes. A factory-supplied 1/2-in. CPVC to 3/4-in PVC

adapter is supplied in the loose parts bag for use as required.

Connect the new pressure switch tube from Loose Parts bag to port on front pressure switch.

Route pressure switch tube

underneath relief tube and connect to port on

collector box.

Connect relief tube to relief port on condensate trap.

A11574LB

16 Specificationssubjectto change without notice. 440 01 4001 04

7. Install the adapter or connect the 1/2-in. CPVC pipe by sliding a spring clamp over the open end of the grommet

on the outside of the furnace casing.

8. Open the spring clamp and insert the long end of the adapter of the 1/2-in. CPVC pipe into the outlet stub on

the drain elbow.

9. Connect additional condensate piping to a code-approved drain, or to a condensate pump

approved for use with acidic furnace condensate and

compatible with mineral and vegetable oils, such as canola oil.

Allow at least 1/4-in. per foot (20 mm per meter) of slope down and away from the furnace in horizontal sections of drain line.

Figure 12 _Example of Field Drain Attachment

OPEN STAND PIPE FOR

A/C OR

HUMIDIFIER DRAIN

i_-=--TEE

TO OPEN DRAIN

Al1276

TIPS FROM CONTRACTORS: Contractors have found that temporarily removing the inducer assembly in upflow

applications while performing the steps below, makes upflow

left-side drain connections easier. For Left Side Condensate Drain Connection:

1. For left side condensate drainage, the drain line is routed from the condensate trap, behind the inducer (upflow) or

gas valve (downflow) and out through the left side of the

furnace casing. A pre-formed 1/2-in. CPVC "Z" pipe is

provided with the furnace. The "Z" pipe is long enough to extend across the casing for drain connections.

2. Locate the "Z" pipe. Remove the pre-formed drain elbow and four spring clamps from the loose parts bag.

3. The "Z" pipe is connected to the condensate trap and the

outside of the furnace by modifying the formed rubber drain elbow as shown in Figure 15.

4. Remove the formed grommet from the rubber drain

elbow by cutting the elbow along the vertical line located

about 1 3/8-in. (35 mm) away from the formed grommet.

See Figure14. DO NOT DISCARD THE FORMED GROMMET OR THE RUBBER ELBOW. Both of these

pieces will be used.

Assemble and route the drain line to the opposite side of the furnace as detailed below:

5. Remove the knock-out from the left side of the casing.

(See Figure 13 for suggested knockout removal

technique.)

6. From the outside of the casing, insert the angled end of the "Z" pipe through drain hole in the left side of the

casing and behind the inducer or gas valve. Allow the "Z"

pipe to temporarily rest on the blower shelf (upflow) or burner box (downflow). (NOTE: When the inducer

housing has been removed to ease installation in upflow applications, this step is not needed.)

7. After inserting the "Z" pipe through the casing, slide a spring clamp over each end of the "Z" pipe.

8. From inside the casing, insert the short end of the formed grommet cut from the rubber drain elbow through the

7/8-in. drain knockout in the casing.

9. Pull the grommet through the casing from the outside until it is seated in the knockout.

10. Align the "Z" pipe with the long end of the grommet inside the furnace and insert slightly. The angled end of the tube at the other side of the casing should be facing the front of the furnace.

11. Slide a spring clamp over the end of the remaining rubber drain elbow.

12. Attach the drain elbow to the angled end of "Z" pipe and the drain trap outlet stub. Adjust the length of "Z" pipe inserted into the grommet at the opposite side of the

furnace as necessary for proper fit and positioning. In both upflow and downflow orientations, the "Z" pipe

should NOT be resting on any sheet metal parts.

13. Secure the rubber elbow to the drain trap and the "Z" pipe with spring clamps.

14. Secure the grommet to the "Z" pipe with the spring clamp. The remaining drain line can be constructed from

field supplied 1/2-in. CPVC or 3/4-in. PVC pipe, in compliance with local building codes. A factory-supplied

1/2-in. CPVC to 3/4-in. PVC adapter is supplied in the

loose parts bag for use as required.

15. Install the adapter or connect the 1/2-in. CPVC pipe by sliding a spring clamp over the open end of the grommet on the outside the furnace casing.

16. Open the spring clamp and insert the long end of the adapter or the 1/2-in. CPVC pipe into the outlet stub on

the drain elbow.

17. Connect additional condensate piping to a code-approved drain, or to a condensate pump

approved for use with acidic furnace condensate and compatible with mineral and vegetable oils, such as

canola oil.

Allow at least 1/4-in. per foot (20 mm per meter) of slope down and away from the furnace in horizontal sections of drain line.

The field-supplied, accessory horizontal drain trap

grommet is ONLY REQUIRED FOR DIRECT VENT

APPLICATIONS, It is NOT required for applications

using single-pipe or ventilated combustion air venting.

TIPS FROM CONTRACTORS: When installing the furnace horizontally, use the entire drain elbow (that is, do NOT cut as

shown in Figure 14) to connect the trap to the drain line. This helps to prevent bumps and shocks to the drain line from damaging the furnace drain trap. Avoid misatignment of the

drain pipe which may cause kinks in the elbow. Horizontal Orientation

1. The condensate trap outlet extends 2-in. (51 mm) below the furnace casing. Leave enough clearance between the furnace and the furnace platform for the trap.

2. To allow for servicing the trap, the condensate drain elbow in the loose parts bag can be used to make a

coupler to allow for future service of the condensate trap and drain line.

440 01 4001 04 Specificationssubjectto change without notice. 17

3. Remove the knock-out for the condensate trap in the side of the casing.

4. Install the drain trap grommet in the casing, if required for direct-vent applications. If necessary, remove the trap,

install the grommet and re-install the trap.

5. Remove the pre-formed rubber drain elbow and two spring clamps from the loose parts bag.

6. Connect the full or modified elbow and/or grommet to the outlet of the condensate trap with one spring clamp. Avoid misalignment of the drain pipe which may cause

kinks inthe elbow or grommet.

7. The remaining drain line can be constructed from field supplied 1/2-in. CPVC or 3/4-in. PVC pipe, in compliance with local building codes. A factory-supplied

1/2-in. CPVC to 3/4-in. PVC adapter is supplied in the

loose parts bag for use as required.

8. Install the adapter or connect the 1/2-in. CPVC pipe by sliding a spring clamp over the open end of the elbow or

grommet on the outside the furnace casing.

9. Open the spring clamp and insert the long end of the adapter or the 1/2-in. CPVC pipe into the outlet stub on

the drain elbow.

10. Connect additional condensate piping to a code-approved drain, or to a condensate pump

approved for use with acidic furnace condensate and compatible with mineral and vegetable oils, such as canola oil.

Allow at least 1/4-in. per foot (20 mm per meter) of slope down and away from the furnace in horizontal sections of drain line.

Figure 13 I Knockout Removal

Figure 14

Cut line for left side condensate drain. Do not discard parts after cutting,

Modify Rubber Drain Elbow

1-3/8 in (35 mm)

L11F089

Figure 15 IDrain Trap Connection and Routing

Attach elbow to condensate trap

Cut formed endoff condensate drain

Formed end of elbow grommet

Oonnect short end

of "Z" pipe to modified drain

, i

,5.°¢

/"1

L12F019

CUT HAZARD Failure to follow this caution may result in personal

injury. Sheet metal parts may have sharp edges or burrs. Use

care and wear appropriate protective clothing, safety glasses and gloves when handling parts, and servicing

furnaces.

Factory supplied 1/2-in. CPVC to 3/4-in. PVC adapter

TRAP, DRAIN ELBOW WITH DISCHARGE PIPE

Formed end of grommet Open spring clamp. Insert

1/2-in. to 3/4-in, CPVC to PVC adapter or 1/2-in,

CPVC pipe

Modified drain elbow connect to condensate trap and "Z" pipe

LEFTSIDE DRAINROUTED BEHIND INDUCER

NOTE: Remove Inducer Housing for easier access, if desired.

Lt2F015

18 Specificationssubjectto change without notice. 440 01 4001 04

Figure16

Formed Rubber Drain Grommet

INSTALL CLAMPS ON DRAIN ELBOW ATTACH DRAIN ELBOW TO CONDENSATE DRAIN TRAP }/

PULL DRAIN STUB THROUGH CASING,

Figure 18 1Furnace Pitch Requirements

LEVEL 0-IN. (0 MM) TO

1/2-iN.(13 MM) MAX

MIN1/4-1N.(6 MM)TO l/2qN. (13 MM) MAX

OPEN SPRING CLAMP INSERT FACTORY-SUPPLIED 1/2-1N. CPVC

TO 3/4-1N. PVC ADAPTER OR 1/2-1N. CPVC PIPE *CLAMP MAY BE LOCATED ON OUTSIDE OF DRAIN ELBOW

RIGHT SIDE DRAIN INSTALLATION

L12F022

Figure 17 _Horizontal Drain Trap Grommet

4_ _' QRemove knockout

_a _tgr _mmn_t:Jote

trap.

Al1348

INSTALLATION

This furnace is certified to leak 2% or less of nominal air con- ditioning CFM delivered when pressurized to 1-inch water

column (250 Pa) with all present air inlets (including bottom closure in upflow and horizontal applications), air outlets, and plumbing and electrical ports sealed.

UPFLOW INSTALLATION

NOTE: The furnace must be pitched as shown in Figure 18 for

proper condensate drainage.

UPFLOW OR DOWNFLOW HORIZONTAL Al1237

Supply Air Connections

For a furnace not equipped with a cooling coil, the outlet duct shall be provided with a removable access panel. This opening

shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible

openings using light assistance or a probe can be inserted for sampling the air stream. The cover attachment shall prevent

leaks. Connect supply-air duct to flanges on furnace supply-air

outlet. Bend flange upward to 90° with wide duct pliers. (See Figure 22) The supply-air duct must be connected to ONLY the furnace supply-outlet-air duct flanges or air conditioning

coil casing (when used). DO NOT cut main furnace casing side to attach supply air duct, humidifier, or other accessories. All

supply-side accessories MUST be connected to duct external to furnace main casing.

Return Air Connections

FIRE HAZARD

A failure to follow this warning could cause personal

injury, death and/or property damage. Never connect return-air ducts to the back of the

furnace. Fo ow nstruct ons be ow.

The return-air duct must be connected to bottom, sides (left or right), or a combination of bottom and side(s) of main furnace

casing. Bypass humidifier may be attached into unused return air side of the furnace casing. (See Figure 27, Figure 28 and

Figure 29.)

Bottom Return Air Inlet

These furnaces are shipped with bottom closure panel installed in bottom return-air opening. Remove and discard this panel

when bottom return air is used. To remove bottom closure panel, perform the following:

1. Tilt or raise furnace and remove four (4) screws holding bottom plate. (See Figure 19)

2. Remove bottom plate.

3. Remove bottom closure panel.

4. Reinstall bottom plate and screws.

440 01 4001 04 specificationssubjectto change without notice. 19

Figure 19 JRemoving Bottom Closure Panel

,_ •

,d,°f

_ OM

•..."_ %,_ _t_...!_ " CLOSURE

-_ ,-,,_ i I

PANE,

BOTTOM PlaTE Lll F004

Side Return Air Inlet

These furnaces are shipped with bottom closure panel installed in bottom return-air opening. This panel MUST be in place

when only side return air is used. NOTE: Side return-air openings can be used in UPFLOW and

most HORIZONTAL configurations. Do not use side return-air openings in DOWNFLOW configuration. (See Figure27,

Figure 28 and Figure 29)

Leveling Legs (If Desired)

In upflow position with side return inlet(s), leveling legs may be used. (See Figure 20) Install field-supplied, 5/16 x 1-1/2-in. (8 x 38 mm) (max) corrosion-resistant machine bolts, washers and nuts.

3. Install another nut on other side of furnace base. (Install flat washer if desired.)

4. Adjust outside nut to provide desired height, and tighten

inside nut to secure arrangement.

5. Reinstall bottom closure panel if removed.

DOWN FLOW INSTALLATION

NOTE: The furnace must be pitched as shown in Figure 18 for proper condensate drainage.

Supply Air Connections

NOTE: For downflow applications, this furnace is approved for use on combustible flooring when any one of the following two

accessories are used (see specification sheets for list of approved accessories):

• Special Base - NAHA01101SB

• Cased Coil Assembly- EAM4X, END4X, ENW4X

1. Determine application being installed from Table 5.

2. Construct hole in floor per Table 5 and Figure 21.

3. Construct plenum to dimensions specified in Table 5 and Figure 21.

4. Install as shown in Figure 23. If Coil Assembly Part is

used, install as shown in Figure 24.

Figure 21 Dimensions

I Floor and Plenum Opening

Figure 20 I Leveling Legs

(Smm)

1 3/4'

(44mm)

1 3/4"

(44mm)

(8mrn)

5/16"

(8mm)

(44mm) 1 3/4"

(44mm) 1

A89014

NOTE: Bottom closure must be used when leveling legs are used. It may be necessary to remove and reinstall bottom

closure panel to install leveling legs. To remove bottom closure panel, see Step 1 in Bottom Return Air Inlet section.

To install leveling legs:

1. Position furnace on its back. Locate and drill a hole in each bottom corner of furnace.

2. For each leg, install nut on bolt and then install bolt with nut in hole. (Install flat washer if desired.)

Specifications subject to change without notice. 440 01 4001 04

A96283

NOTE: It is recommended that the perforated supply-air duct

flanges be completely removed from furnace when installing the furnace on a factory-supplied cased coil or coil box. To

remove the supply-air duct flange, use wide duct pliers or hand

seamers to bend flange back and forth until it breaks off. Be

careful of sharp edges. (See Figure 22)

CUT HAZARD

Failure to follow this caution may result in personal injury.

Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety

glasses and gloves when handling parts, and servicing furnaces.

Connect supply-air duct to supply-air outlet on furnace. Bend

flange inward past 90 ° with wide duct pliers (See Table 1

Figure 22) The supply-air duct must be connected to ONLY

the furnace supply outlet or air conditioning coil casing (when

used). When installed on combustible material, supply-air duct must be connected to ONLY the factory-approved accessory

subbase, or a factory-approved air conditioning coil casing. DO

NOT cut main furnace casing to attach supply air duct, humidifier, or other accessories. All supply-side accessories

MUST be connected to duct external to furnace casing.

Return Air Connections

FIRE HAZARD

A failure to follow this warning could cause personal injury, death and/or property damage.

Never connect return-air ducts to the back of the furnace. Follow instructions below.

The return-air duct must be connected to return-air opening

(bottom inlet) as shown in Figure 27. DO NOT cut into casing

sides (left or right). Bypass humidifier connections should be made at ductwork or coil casing sides exterior to furnace. (See

Figure 27)

Bottom Return Air Inlet

These furnaces are shipped with bottom closure panel installed

in bottom return-air opening. Remove and discard this panel

when bottom return air is used. To remove bottom closure panel, perform the following:

1. Tilt or raise furnace and remove four (4) screws holding bottom plate. (See Figure 19)

2. Remove bottom plate.

3. Remove bottom closure panel.

4. Reinstall bottom plate and screws.

HORIZONTAL INSTALLATION

NOTE: The furnace must be pitched forward as shown in Figure 18 for proper condensate drainage.

FIRE, EXPLOSION, AND CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury, death, or property damage.

Do not install the furnace on its back or hang furnace with control compartment facing downward. Safety control

operation will be adversely affected. Never connect return-air ducts to the back of the furnace.

MINOR PROPERTY HAZARD

Failure to follow this caution may result in minor property damage.

Local codes may require a drain pan under entire furnace and condensate trap when a condensing furnace is used in an attic application or over a finished

ceiling.

The furnace can be installed horizontally in an attic or crawlspace on either the left-hand (LH) or right-hand (RH)

side. The furnace can be hung from floor joists, rafters or trusses or installed on a non-combustible platform, blocks,

bricks or pad.

Suspended Furnace Support

The furnace may be supported under the entire length of the furnace with threaded rod and angle iron. (See Figure 25)

Secure angle iron to bottom of furnace as shown.

Platform Furnace Support

Construct working platform at location where all required furnace clearances are met. (See Table 1 and Figure 26) For

furnaces with 1-in. (25 mm) clearance requirement on side, set furnace on non-combustible blocks, bricks or angle iron. For

crawlspace installations, if the furnace is not suspended from the floor joists, the ground underneath furnace must be level

and the furnace set on blocks or bricks.

Figure 22 _Duct Flanges

UPFLOW DOWNFLOW HORIZONTAL

_RATED

FLANGE

I ......

YES

[-2222- _......

120°_ YES 12 YES 120°\_

MIN MIN "_'_ '/El MIN

NO NO

YES

440 01 4001 04 Specifications subject to change without notice. 21

I ......

A10493

YES

iTable 5

FURNACE

CASI NG WIDTH

IN, (mm)

14-3/16 (subbase not required) (319) (483) (335) (498)

(360) 11-13/1 19 13-7/16 20-5/8

17-1/2 (subbase not required) (403) (483) (419) (498)

(445) 15-1/8 19 16-3/4 20-5/8

21 (subbase not required) (492) (483) (508) (498)

(533) Downflow applications on combustible flooring 18-5/8 19 20-1/4 20-5/8

24-1/2 (subbase not required) (581) (483) (597) (498)

(622) Downflow applications on Combustible flooring 22-1/8 19 23-3/4 20-5/8

Opening Dimensions - in. (mm)

APPLICATION

PLENUM OPENING

12-11/1

Upflow Applications on Combustible or Noncombustible Flooring 6 21-5/8 13-5/16 22-1/4

(subbase not required) (322) (549) (338) (565)

Downflow Applications on Noncombustible Flooring 12-9/16 19 13-3/16 19-5/8

Downflow applications on combustible flooring (subbase required) 6

(284) (483) (34t) (600)

Downflow Applications on Combustible Flooring with Coil Assembly or 12-5/16 19 13-5/16 20

coil box (subbase not required) (319) (483) (338) (508)

Upflow Applications on Combustible or Noncombustible Flooring 16 21-5/8 16-5/8 22-1/4

(subbase not required) (406) (549) (422) (565)

Downflow Applications on Noncombustible Flooring 15-7/8 19 16-1/2 19-5/8

Downflow applications on combustible flooring (subbase required) (384) (483) (425) (600)

Downflow Applications on Combustible Flooring with Coil Assembly or coil 15-1/2 19 16-1/2 20

box (subbase not required) (394) (483) (419) (508)

Upflow Applications on Combustible or Noncombustible Flooring 19-1/2 21-5/8 20-1/8 22-1/4

(subbase not required) (495) (549) (511) (565)

Downflow Applications on Noncombustible Flooring 19-3/8 19 20 19-5/8

(subbase required) (473) (483) (514) (600)

Downflow Applications on Combustible Flooring with Coil Assembly or coil 19 19 20 20

box (subbase not required) (483) (483) (508) (508)

Upflow Applications on Combustible or Noncombustible Flooring 23 21-1/8 23-5/8 22-1/4

(subbase not required) (584) (537) (600) (565)

Downflow Applications on Noncombustible Flooring 22-7/8 19 23-1/2 19-5/8

(subbase required) (562) (483) (603) (600)

Downflow Applications on Combustible Flooring with Coil Assembly or 22-1/2 19 23-1/2 20

(572) (483) (597) (508)coil box (subbase not required)

FLOOR OPENING

C DA B

Figure 23

Furnace, Plenum, and Subbase Installed on a Combustible Floor

FURNACE

(OR COIL CASING

WHEN USED)

COMBUSTIBLE

FLOORING

SUBBASE

SHEET METAL

PLENUM

-- FLOOR -- OPENING

A96285

Figure 24

Furnace, Plenum, and Coil

Assembly on a Combustible Floor

FURNACE

END4X, ENW4X

COIL ASSEMBLY

_ COMBUSTIBLE --

FLOORING

SHEET METAL

PLENUM

FLOOR

OPENING

Lll F104

22 Specifications subject to change without notice. 440 01 4001 04

Figure 25 _Suspended Furnace Installation

NOTE: EXTEND ANGLE

IRON OUT FOR

COIL SUPPORT

ROD LOCATION USING DIMPLE

LOCATORS

HEX NUT

& WASHER (4)

REQD, PER ROD

(SEE VENTING SECTION)

VENT

NOTES: 1. A 1 In. (25ram) clearance minimum between

top of furnace and combustible material

2. The entire length of furnace must be supported when furnace is used in horizontal

position to ensure proper drainage.

3. Furnace shown isa direct vent application. Refer to the Venting section for allowabme vent

configurations.

Al1155

NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished

ceiling.

Figure 26

IWorking Platform for Attic Installation

MANUAL SHUTOFF

GAS VALVE

COMBUSTION - AIR PIPE

(SEE VENTING SECTION)

A 12-1N, (305 ram) MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH A

SHORT (5 TO 8 FT / 1,5 TO 2,4 M) VENT SYSTEM TO REDUCE EXCESSIVE

CONDENSATE DROPLETS FROM EXITING THE VENT PIPE,

INDOOR COIL

VENT

30" (762 mm) Min Work Area

ROLLOUT PROTECTION REQUIRED Install 1.2" x 22" (305 x 559 ram) sheet

metal in front of burner compartment area.

SEDI TRAP

CONDENSATE TRAP

NOTE: FURNACE SHOWN AS DIRECT VENT APPLICATION. REFER TO THE

VENTING SECTION FOR ALLOWABLE VENT CONFIGURATIONS

Al1154

NOTE: Local codes may require a drain pan and condensate trap when a condensing furnace is installed over a finished

ceiling.

440 01 4001 04 Specifications subject to change without notice. 23

Roll-Out Protection

Provide a minimum 12-in. x 22-in. (305 x 559 mm) piece of sheet metal for flame roll-out protection in front of burner area for furnaces closer than 12-in. (305 mm) above the combustible deck or suspended furnaces closer than 12-in. (305mm) to joists. The sheet metal MUST extend underneath the furnace casing by 1-in. (25mm) with the door removed. The bottom closure panel may be used for flame roll-out protection when bottom of furnace is used for return air connection. See Figure 26 for proper orientation of roll-out

shield.

Supply Air Connections

For a furnace not equipped with a cooling coil, the outlet duct shall be provided with a removable access panel. This opening

shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible

openings using light assistance or a probe can be inserted for sampling the air stream. The cover attachment shall prevent leaks.

Connect supply-air duct to flanges on furnace supply-air outlet. Bend flange upward to 90° with wide duct pliers. (See

Figure 22) The supply-air duct must be connected to ONLY the furnace supply-outlet-air duct flanges or air conditioning coil casing (when used). DO NOT cut main furnace casing side to attach supply air duct, humidifier, or other accessories. All supply-side accessories MUST be connected to duct external to furnace main casing.

Return Air Connections

The return-air duct may be connected to bottom of the furnace. The side of casing that faces downward may also be used for

return air connection. A combination of the bottom and downward facing side may also be used. The upward facing

side of the casing cannot be used as a return air connection. (See Figure 29)

Bottom Return Air Inlet

These furnaces are shipped with bottom closure panel installed in bottom return-air opening. Remove and discard this panel

when bottom return air is used. To remove bottom closure panel, perform the following:

1. Tilt or raise furnace and remove four (4) screws holding bottom plate. (See Figure 19)

2. Remove bottom plate.

3. Remove bottom closure panel.

4. Reinstall bottom plate and screws.

Side Return Air Inlet

These furnaces are shipped with bottom closure panel installed in bottom return-air opening. This panel MUST be in place when side return air inlet(s) are used without a bottom return air

inlet. Not all horizontal furnaces are approved for side return air

connections (See Figure 29)

Filter Arrangement

side and bottom of the furnace. (See Figure 28, Figure 31, and

Figure 30) For downflow applications, the filter rack (or field supplied

accessory air cleaner) must only be connected to the bottom

opening on the furnace (See Figure 27 and Figure 30 and

Table 9).

For horizontal applications, the filter rack (or field supplied

accessory air cleaner) can be connected to the bottom opening

on the furnace. For side return use in the horizontal position, refer to Figure 29. If both side and bottom openings are used in Figure 29, each opening used will require a filter.

A filter rack or any field supplied accessory air cleaner can also

be installed in the common return duct prior to entering the return air opening in any orientation.

See Table 6 for recommended filter size details.

Table 6 Filter Size Information - in. (mm)

FURNACE

CASING

WIDTH

14-3/16 16 x 25 x 3/4 Washable*

(360) (406 x 635 x 19)

17-1/2 16 x 25 x 3/4 Washable*

(445) (406 x 635 x 19)

21 (533) (406 x 635 x 19)

24-1/2 16 x 25 x 3/4 Washable*

(622) (406 x 635 x 19)

Recommended to maintain air filter face velocity. See Product Data for part

number.

Refer to the instructions supplied with the Filter Rack or

accessory air filter for additional assembly and installation

options.

SIDE RETURN

16 x 25 x 3/4 Washable*

FILTERSIZE

14 x 25 x 3/4

(356 x 635 x 19)

16 x 25 x 3/4

(406 x 635 x 19)

20 x 25 x 3/4

(508 x 635 x 19)

24 x 25 x 3/4

(610 x 635 x 19)

BOTTOM RETURN

FILTER

TYPE

Filter and Return Duct Sizing

Pressure drop must be taken into account when sizing filters,

filter racks, IAQ devices, and associated system ductwork. See Table7 for a comparison of Pressure Drop (initial/clean

resistance to airflow) versus Airflow for a variety of filter media types and sizes. These are representative numbers. Consult the filter or IAQ device manufacturers' specification sheet for

performance data for a particular filter media or IAQ device.

Design the filter and associated ductwork for the best match of

pressure drop versus filter size. Best practice usually chooses filter systems with pressure drops under 0.2 in. w.c. (50 Pa), with the best blower electrical efficiency and system airflow

performance occurring with filter pressure drops under 0.1 in. w.c. (25 Pa).

Due to the relatively high pressure drops of 1-in (25 mm) thick after-market filter media, it is recommended that the filtration system be designed for at least 2-in (51 mm) thick media.

TIPS FROM CONTRACTORS: Install a media cabinet capable

of incorporating a 4-in (102 mm) thick media filter. This allows

room for future upgrades to other IAQ devices.

FIRE, CARBON MONOXIDE AND POISONING HAZARD

Failure to follow this warning could result in personal injury, or death.

Never operate a furnace without a filter or filtration device installed. Never operate a furnace with filter or filtration

device access doors removed.

Furnaces shipped without a filter rack:

There are no provisions for an internal filter in these furnaces. An external filter rack is required and is purchased separately.

A field supplied accessory air cleaner may also be used in place of the filter rack.

For upflow applications, the filter can be installed on either side of the furnace, the bottom of the furnace or any combination of

24 Specifications subject to change without notice. 440 01 4001 04

Design the duct system FIRST to determine how much

3ressure drop may be allowed in the filter system. See the AIR DUCTS section. Excessive filter pressure drop often compromises system airflow and duct perform- ance, causes inadequate airflow to the furthest ends of the duct system, as well as causes excess noise and

higher than anticipated electrical consumption.

Provide duct transitions, as required, to smoothly transition

airflow from the return duct system to the filter (or IAQ device) to the furnace when the dimensions of the ductwork or furnace

return air opening do not match the required filter or IAQ device dimensions. See the instructions supplied with

factory-accessory duct adapters.

Table 7 Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c. (Pa)

Factory-Accy

14x 25 Filter

CFM L/s (2-in. / 5 cm)

600 (283) 0,16 (40) 800 (378) 0,23 (59)

1000 (472) 0,32 (81) 1200 (566)

25 Filter

16x

CFM

6OO 8OO

1000 1200

1400 1600

1800

20 x 25 Filter

CFM (1-in, / 2,5 (2-in, / 5 cm)

800 0,06 (16) 0,09 (24) 0,15 (37) 1000 0,08 (21) 0,13 (32) 0,20 (49) 1200 0,11 (27) 0,16 (41) 0,25 (63)

1400 0,13 (33) 0,20 (51) 0.31 (79) 1600 0,16 (40) 0,24 (61)

1800 0,18 (47) 0,29 (73)

2000 0.21 (54) 2200 0,25 (62)

25 x 25 Filter

CFM (1-in, / 2,5 cm) (2-in, / 5 cm) (1-in, / 2,5 cm) (2-in, / 5 cm)

800 0,05 (12) 0,07 (18) 0,17 (43) 0,11 (28) 1000 0,06 (16) 0,09 (24) 0,22 (55) 0,15 (37)

1200 0,08 (20) 0,12 (31) 0,27 (68) 0,18 (47) 1400 0,10 (24) 0,15 (38) 0,23 (58)

1600 0,11 (29) 0,18 (45) 0,28 (69) 1800 0,13 (34) 0,21 (53)

2000 0,16 (39) 0,24 (61) 2200 0,18 (45) 0,28 (70)

L/s (1-in. / 2.5 cm) (1-in. / 2.5 cm) (2-in. / 5 cm)

(283) 0,06 (15) 0,20 (51) 0,13 (34) (378) 0.08 (21) 0.29 (72) 0.20 (49)

(472) 0.11 (28) 0.27 (67) (566) 0,14 (36)

(661) 0,18 (45) (755) 0,21 (54)

(850) 0,26 (64)

(L!s)

(378) (472) (566)

(661) (755)

(850) (944)

(1038)

L/s

(378) (472)

(566) (661)

(755) (850)

(944)

(1038)

Washable

(1-in. / 2.5 cm)

0.04 (12) 0,06 (15)

0.07 (18)

0.08 (20) Factory-Accy

Washable

(1-in, / 2,5 cm)

0,04 (10)

0.05 (13)

0,06 (16)

0.07 (18)

0.08 (21)

0,09 (23)

0.10 (25)

Factory-Accy

Washable

(1-in. / 2.5 cm)

0.04 (11)

0.05 (13)

0.06 (15)

0.07 (17)

0,08 (19)

0.08 (21)

0,09 (23) 0,09 (24)

Factory-Accy

Washable

(1-in, / 2,5 cm)

0,03 (9)

0.04 (11)

0.05 (13)

0.06 (15)

0.06 (16)

0.07 (18)

0.08 (19)

0.08 (21)

(1-in, / 2,5 cm) (2-in, / 5 cm)

0,07 (17) 0,10 (26) 0,10 (25) 0,15 (39)

0,13 (34) 0,21 (52) 0,17 (43) 0,27 (68)

Representative estimates from filter manufacturer data sheets.

See manufacturers' specifications for pressure drop versus airflow data for specific filter media.

If the filter size that you are looking for is not contained in Table 7, refer to Table 8 for a comparison of Pressure Drop (initial/clean resistance to airflow) versus Face Velocity for a variety of filter media types.

The following equations relate Face Velocity (FPM), Filter Area and Airflow (CFM):

Filter Face Velocity = Airflow / Filter Area Minimum Filter Area = Rated System Airflow / Maximum Filter Face Velocity

Table 8 Filter Media Pressure Drop (Clean) Versus Velocity - in. w.c. (Pa)

Factory-Accy

Face Velocity

FPM (m/s)

200 (1) 300 (1.5)

400 (2) 500 (2,5)

600 (3) 700 (3,6)

Washable

(1-in, / 2.5 cm)

0.04 (10)

0.05 (14)

0.07 (17)

0,08 (21) 0,09 (23)

0,10 (26)

Fiberglass*

(1-in, / 2.5 cm)

0.05 (13) 0,09 (22)

0,13 (32) 0,18 (44)

0,23 0,29

Representative estimates from filter manufacturer data sheets.

See manufacturers' specifications for pressure drop versus airflow data for specific filter media.

Representative After-Market Filter Media*

Fiberglass*

(1-in. / 2.5 cm)

0.24 (60)

0.34 (85)

Representative After-Market Filter Media*

Fiberglass* Pleated*

(2-in, / 5 cm)

0,09 (22) 0,13 (32)

0,17 (43) 0,22 (56)

O.28 (7O)

Representative After-Market Filter Media*

Fiberglass*

cm) (2-in./ 5 cm)

(1-in. / 2.5 cm)

0,22 (55)

0.29 (72)

Pleated*

Representative After-Market Filter Media*

Fiberglass* Pleated*

Representative After-Market Filter Media*

Pleated*

(2-in, / 5 cm)

0,08 (20) 0,13 (34)

0,20 (5O) 0,27 (69)

(1-in. / 2.5 cm) (2-in. / 5 cm)

0,18 (47) 0,12 (31)

0.30 (75) 0.21 (52)

0.31 (78)

440 01 4001 04 Specifications subject to change without notice. 25

Figure 27

SIDE RETURN NOT PERMITTED FOR ANY MODEL

Downflow Return Air Configurations and Restrictions

/ _fl_ RETURN

AIR

® ®

SIDE RETURN NOT PERMI]q'ED

FOR ANY MODEL

i s q LY L10F033

External Filter Cabinet Configurations

Figure 30 _Accessory Bottom Filter Rack

® @

Figure 28

Upflow Return Air Configurations and Restrictions

SUPPLY _"

............._!RJ,_....................

® ® ® ®

RETURN

AIR

Figure 29

HORIZONTAL TOP

RETURN NOT PERMITTED FOR

ANY MODEL

RETURN

AIR

* NOTE: RESTRICTION SAME FOR -/

HORIZONAL LEFT 'RETURN

SIDE RETURN AIR NOT PERMITTED FOR 2000 CFM AND

RETURN _" _ UPFLOW

AIR | _1_ RETURN AIR

/ RESTRICTIONS L10F032

Horizontal Return Air Configurations and Restrictions

)

HORIZONAL RETURN AIR

AIR

ABOVE OF AIR FLOW

RESTRICTIONS

RETURN

AIR

..............................i

SUPPLY

AIR i,

L10F034

)

22-5/t 6

(566.4)

28-7/16

(722.2)

- ,)

o o

e e

2-3/t 6

(55.5)

Table 9 Dimensional Drawing - in. (mm)

KIT NO. A B

NAH B00501FF 14-3/16 11-3/8 14-1/4

NAHB00601 FF 17-1/2 14-5/8 17-5/8

NAHB00701FF

NAH B00801FF 24-1/2 21-5/8 24-5/8

FURNACE

WIDTH

(360.4) (289) (362)

(444.5) (371.5) (447.7)

21 18-1/8 21-1/8

(533.4) (460.4) (536.6)

(622.3) (549.3) (625.5)

L10F031

26 Specifications subject to change without notice. 440 01 4001 04

Figure 31 _Accessory Side Filter Rack

1 ¼" "_nm,"41_,_-3A'' ½" -- 23A"

.--,,,,4 _(3 cm) ||(1 cm)(1.3 cm ! (6_m',

-II- (TYP.)II TABS I

i........................ i IF

(64 cm) (2 cm)

lz(3 cm)

17 (43.5 cm)

23 _"

(59 cm)

OPENING

Systems Design Guidelines reference tables available from your local distributor. The duct system should be sized to

handle the required system design CFM at the design external static pressure. The furnace airflow rates are provided in the

Service and Technical Support Manual. When a furnace is installed so that the supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the

return air shall also be handled by duct(s) sealed to the furnace casing and terminating outside the space containing the

furnace. Secure ductwork with proper fasteners for type of ductwork

used. Seal supply- and return-duct connections to furnace with code approved tape or duct sealer.

NOTE: Flexible connections should be used between ductwork and furnace to prevent transmission of vibration.

Ductwork passing through unconditioned space should be insulated to enhance system performance. When air

conditioning is used, a vapor barrier is recommended. Maintain a 1-in. (25 mm) clearance from combustible materials

to supply air ductwork for a distance of 36-in. (914 mm) horizontally from the furnace. See NFPA 90B or local code for further requirements.

Return Duct Sizing

Refer to the Filter Selection and Duct Sizing section for information on the proper selection of filter sizes and the

associated ductwork and duct transitions. Improperly designed filtering systems and return ductwork are the most common

causes of airflow and/or noise complaints in HVAC systems.

Ductwork Acoustical Treatment

NOTE: Metal duct systems that do not have a 90 degree elbow and 10 ft. (3 M) of main duct to the first branch take-off may

require internal acoustical lining. As an alternative, fibrous ductwork may be used if constructed and installed in

accordance with the latest edition of SMACNA construction standard on fibrous glass ducts. Both acoustical lining and

fibrous ductwork shall comply with NFPA 90B as tested by UL Standard 181 for Class 1 Rigid air ducts.

NOTE: For horizontal applications, the top most flange may be bent past 90 ° to allow the evaporator coil to hang on the flange temporarily while the remaining attachment and sealing of the coil are performed.

GAS PIPING

L12F023

Air Ducts

FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal

injury, death, and/or property damage. Never purge a gas line into a combustion chamber.

Many states, provinces and localities are considering or have implemented standards and/or restrictions on

duct sizing practices, ductwork leakage, and/or duct- work thermal, airflow and electrical efficiencies. CON- SULT LOCAL CODE OFFICIALS for ductwork design

Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically

for the detection of leaks to check all connections. A fire or explosion may result causing property damage,

personal injury or loss of life.

and performance requirements in your area.

General Requirements

The duct system should be designed and sized according to accepted national standards such as those published by: Air

Conditioning Contractors Association (ACCA Manual D), Sheet

Metal and Air Conditioning Contractors National Association (SMACNA) or American Society of Heating, Refrigerating and

Air Conditioning Engineers (ASHRAE) or consult The Air

440 01 4001 04 Specifications subject to change without notice. 27

FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal

injury, death, and/or property damage. Use proper length of pipe to avoid stress on gas con- tro man fod and a gas eak.

FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal

injury, death, and/or property damage. Gas valve inlet and/or inlet pipe must remain capped

until gas supply line is permanently installed to protect the valve from moisture and debris. Also, install a sedi- ment trap in the gas supply piping at the inlet to the gas valve.

Gas piping must be installed in accordance with national and local codes. Refer to current edition of NFGC in the U.S.A.

Refer to current edition of CAN/CSA B149.1 in Canada. Installations must be made in accordance with all authorities having jurisdiction. If possible, the gas supply line should be a

separate line running directly from meter to furnace. NOTE: Use a back-up wrench on the inlet of the gas valve

when connecting the gas line to the gas valve.

In the state of Massachusetts:

1. Gas supply connections MUST be performed by a li- censed plumber or gas fitter.

2. When flexible connectors are used, the maximum length shall not exceed 36-in. (915 mm).

3. When lever handle type manual equipment shutoff

valves are used, they shall be T-handle valves.

4. The use of copper tubing for gas piping is NOT ap- proved by the state of Massachusetts.

Refer to Table 10 for recommended gas pipe sizing. Risers must be used to connect to furnace and to meter. Support all

gas piping with appropriate straps, hangers, etc. Use a minimum of one hanger every 6 ft. (1.8 M). Joint compound

(pipe dope) should be applied sparingly and only to male threads of joints. Pipe dope must be resistant to the action of

propane gas.

FIRE OR EXPLOSION HAZARD

A failure to follow this warning could result in personal in- jury, death, and/or property damage.

If local codes allow the use of a flexible gas appliance connector, always use a new listed connector. Do not use a connector which has previously served another gas ap-

pliance. Black iron pipe shall be installed at the furnace gas control valve and extend a minimum of 2-in. (51 mm)

outside the furnace.

FURNACE DAMAGE HAZARD Failure to follow this caution may result in furnace dam-

age. Connect gas pipe to furnace using a backup wrench to

avoid damaging gas controls and burner misalignment.

Table 10

NOMINAL

IRONPIPE

SIZE

IN.(aM)

1/2(13) 3/4(19)

1(25)

1-1/4(32) 1-1/2(39)

Cubic ft of gas per hr for gas pressures of 0.5 psig (14-in. w.c.) or less and a pressure drop of 0.5-in. w.c. (based on a 0.60 specific gravity gas). Ref: Table 10 above, and 6.2 of NFPA54/ANSI Z223.1-2009.

Maximum Capacity of Pipe

INTERNAL

DIA.

IN.(aM)

0,622(158)

0,824(20,9)

1,049(26,6)

1.380(35.0)

1.610(40.9)

LENGTHOF PIPE - FT (M)

10 20 30 40 50

(3.0) (6.0) (9.1) (12.1) (15.2)

175 120 97 82 73 360 250 200 170 151 680 465 375 320 285

1400 950 770 660 580 2100 1460 1180 990 900

An accessible manual equipment shutoff valve MUST be

installed external to furnace casing and within 6 ft. (1.8 M) of

furnace.

Install a sediment trap in riser leading to furnace as shown in Figure 32. Connect a capped nipple into lower end of tee. Capped nipple should extend below level of furnace gas

controls. Place a ground joint union between furnace gas control valve and exterior manual equipment gas shutoff valve.

Figure 32 /Typical Gas Pipe Arrangement

GAS

SUPP__

MANUAL U

SHUT OFF RI i_I I I. _ I_

VALVE _=rr

(REQUIRE D_

SEDIMENT vestibule where permitted by

TRAP local codes".

" Union maybe inside the

LIOF030

A 1/8-in. (3 mm) NPT plugged tapping, accessible for test

gauge connection, MUST be installed immediately upstream of gas supply connection to furnace and downstream of manual

equipment shutoff valve. Piping should be pressure and leak tested in accordance with

the current addition of the NFGC in the United States, local, and national plumbing and gas codes before the furnace has

been connected. Refer to current edition of NSCNGPIC in Canada. After all connections have been made, purge lines

and check for leakage at furnace prior to operating furnace.

NOTE: The furnace gas control valve inlet pressure tap connection is suitable to use as test gauge connection providing test pressure DOES NOT exceed maximum 0.5 psig (14-in. w.c.) stated on gas control valve. (See Figure 33)

28 Specifications subject to change without notice. 440 01 4001 04

Figure33 /Gas Valves

Redundant Automatic Gas Valve (Two-Stage)

ON,OFF Switch

1,2" NPT Inlet Regulator Seal Cap under Cap

1/8" NPT Inlet Pressure Tap

Regulator Seal Cap

RegulatorAdjustment

1/8" NPT Manifold

Figure 34 I Gas Entry

Left Side Gas Entry. Gas Pipe Grommet Required For Direct Gas Pipe Grommet Required Vent Applications. For Direct Vent Applications

A1133E

ELECTRICAL CONNECTIONS

Al1152

Redundant Gas Valve (Single Stage)

Regulator Seal Cap

Regulatol Adjustment Regulator Seal Cap l_nder Cap

1/8" NPT inlet Pressure Tap

1,8' NPT Manifold Pressure Tap

Al115{

If pressure exceeds 0.5 psig (14-in. w.c.),gas supply pipe must be disconnected from furnace and capped before and during supply pipe pressure test. If test pressure is equal to or less than 0.5 psig (14-in. w.c.), turn off electric shutoff switch

located on furnace gas control valve and accessible manual equipment shutoff valve before and during supply pipe pressure test. After all connections have been made, purge

lines and check for leakage at furnace prior to operating furnace.

The gas supply pressure shall be within the maximum and minimum inlet supply pressures marked on the ratingplate with

the furnace burners ON and OFF. Some installations require gas entry on right side of furnace (as

viewed in upflow). (See Figure 34)

Gas Pipe Grommet

For direct vent (2-pipe) applications, the knockout for the gas pipe must be sealed to prevent air leakage. Remove the

knockout, install the grommet in the knockout, then insert the gas pipe. The grommet is included in the loose parts bag. (See

Figure34)

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or death.

Blower door switch opens 115-v power to control. No component operation can occur. Do not bypass or close

switch with blower door removed.

See Figure 35 for field wiring diagram showing typical field 115-v wiring. Check all factory and field electrical connections

for tightness. Field-supplied wiring shall conform with the limitations of 63°F

(33°0) rise.

ELECTRICAL SHOCK AND FIRE HAZARD

Failure to follow this warning could result in personal injury, death, or property damage.

The cabinet MUST have an uninterrupted or unbroken

ground according to NEC ANSI/NFPA 70-2011 or local codes to minimize personal injury if an electrical fault

should occur. In Canada, refer to Canadian Electrical Code CSA C22.1. This may consist of electrical wire, conduit approved for electrical ground or a listed, grounded power cord (where permitted by local code) when installed in accordance with existing electrical codes. Refer to the power cord manufacturer's ratings

for proper wire gauge.

Do not use gas piping as an electrical ground.

FURNACE MAY NOT OPERATE HAZARD Failure to follow this caution may result in intermittent

furnace operation.

Furnace control must be grounded for proper operation or else control will lock out. Control must remain

grounded through green/yellow wire routed to gas

valve and manifold bracket screw.

440 01 4001 04 Specifications subject to change without notice. 29

115-V Wiring

Furnace must have a 115-v power supply properly connected and grounded.

NOTE: Proper polarity must be maintained for 115-v wiring. If polarity is incorrect, control status indicator light flashes rapidly and furnace does NOT operate.

Verify that the voltage, frequency, and phase correspond to that specified on unit rating plate. Also, check to be sure that

service provided by utility is sufficient to handle load imposed by this equipment. Refer to rating plate or Table11 for equipment electrical specifications.

U,S,A, Installations: Make all electrical connections in accordance with the current edition of the National Electrical

Code (NEC) ANSI/NFPA 70 and any local codes or ordinances that might apply.

Canadian Installations: Make all electrical connections in accordance with the current edition of the Canadian Electrical Code CSA C22.1 and any local codes or ordinances that might apply.

FIRE HAZARD Failure to follow this warning could result in personal

injury, death, or property damage. Do not connect aluminum wire between disconnect

switch and furnace. Use only copper wire.

SWITCH

Al1146

Use a separate, fused branch electrical circuit with a properly

sized fuse or circuit breaker for this furnace. See Table 11 for wire size and fuse specifications. A readily accessible means of

electrical disconnect must be located within sight of the

furnace.

Figure 35

J Heating and Cooling Application Single-Stage Wiring Diagram

.... FIELD 24-V WIRING

.... FIELD 115-,208/230-, 460-VWIRING

-- FACTORY24-VWIRING FACTORY115-VWIRING

Al1387

30 Specifications subject to change without notice. 440 01 4001 04

Heating and Cooling Application Two-Stage Wiring Diagram with Single-Stage Thermostat

.... FIELD 24-VOLT WIRING

.... FIELD 115-, 208/230-, 460-VOLT WIRING

-- FACTORY 24-VOLT WIRING FACTORY 115-VOLT WIRING

NOTE 2

FIVE_ (_ (_ (_ (_) 1 1-STAGE

WIRE__.__ : : ..........................

BLOWER THREE_WIRE_ T --T

DOOR_ REATING-"__ ' '

SWITCH _ ONLY __

.P,_ oV_=c O

115-VOLT FIELD-

SUPPLIED

FUSED

DISCONNECT

JUNCTION BOX

FURNACE

L®

24-VOLT

TERMINAL

BLOCK

i- I

NOTE1

NOTES: 1. Connect Y/Y2-terminal as shown for proper operation.

@/THERMOSTAT

_ /TERMINALS

i_iiii/!!iiiii!iiiiiii!i[iiii!iiiiii;ii_;iiiii;i

I I

2. Some thermostats require a "C" terminal connection as shown.

3. If any of the original wire, as supplied, must be replaced, use same type or equivalent wire.

_IP-----_I_, e-41-4

i J I=, L 9_---------=bJ I1/

CONDENSING

UNIT

FELD-SUPPLIED

FUSED DISCONNECT

[ : t_VOLT

1_]_ _]_l =7208/230-

[tT208/230 OR

460-VOLT

HREE HASE

[SINGLE

Al1401

J-Box Installation

FIRE OR ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal

injury, death, or property damage.

If field-supplied manual disconnect switch is to be mounted on furnace casing side, select a location where a drill or fastener cannot damage electrical or gas components.

The J-Box is used when field line voltage electrical connections are made to the furnace wiring harness inside the furnace casing. The J-Box is not required if a field-supplied electrical box is attached to the outside of the furnace casing and the box

is grounded to the green ground wire of the main wiring harness and the earth ground of the field electrical supply.

The J-Box cover, mounting bracket and screws are shipped in the loose parts bag included with the furnace. The J-Box can be mounted on the left or right side of the casing, as viewed from the upflow position. (See Figure 36)

Figure 36 Optional J-Box Locations

Representative drawing only, some models may vary in appearance.

OPTIONAL J-BOX LOCATIONS

L12F024

440 01 4001 04 Specifications subject to change without notice. 31

Figure37

J-BOX

MOUNTING SCREWS

J-BOX --\ MOUNTING "--.. BRACKET

J-Box Bracket Installation

Figure 38

I Field-Supplied Electrical Box onFurnace Casing

GROUNU

NEUTRAb

GROUND SCREW ", _

J-BOX COVER --

L12F025

Remove the J-Box cover and mounting bracket from the loose parts bag. Select a 7/8-in. (22 mm) knock-out on the desired

side of the casing. Remove the knock-out from the casing. Drill two 1/8-in. (3 mm) pilot holes in the casing dimples by the desired 7/8-in. (22 mm) knock-out.

Align the J-Box mounting bracket against the inside of the casing and secure the mounting bracket with the screws. (See

Figure 37)

Electrical Box on Furnace Casing Side

NOTE: Check that duct on side of furnace will not interfere with installed electrical box.

1. Fasten a field-supplied external electrical box to the outside of the casing by driving two field-supplied screws from inside electrical box into casing. (See

Figure 38)

2. Route field power wiring into external electrical box.

3. Pull furnace power wires through 1/2-in. (12 mm) diameter hole in J-Box. If necessary, loosen power wires from strain-relief wire-tie on furnace wiring

harness.

4. Connect any code required external disconnect(s) to field power wiring.

5. Route external field power wires through holes in electrical box and casing.

6. Connect field ground wire and factory ground wire to green ground screw on J-Box mounting bracket as shown in Figure 37.

7. Connect field power and neutral leads to furnace power leads, as shown in Figure 35.

8. Attach furnace J-Box cover to mounting bracket with screws supplied in loose parts bag. Do not pinch wires between cover and bracket.

9. Complete external disconnect wiring and installation. Connect line voltage leads as shown in Figure 38. Use

best practices (NEC) ANSI/NFPA 70 in U.S.A. for wire bushings, strain relief, etc., and Canadian Electrical

Code CSA C22.1.

Power Cord Installation in Furnace J-Box

NOTE: Power cords must be able to handle the electrical requirements listed in Table 11. Refer to power cord

manufacturer's listings.

1. Install J-Box mounting bracket to inside of furnace casing. (See Figure 37)

2. Route listed power cord through 7/8-in. (22 mm) diameter hole in casing and J-Box bracket.

3. Secure power cord to J-Box bracket with a strain relief bushing or a connector approved for the type of cord

used.

4. Pull furnace power wires through 1/2-in. (12 mm) diameter hole in J-Box. If necessary, loosen power wires

from strain--relief wire-tie on furnace wiring harness.

5. Connect field ground wire and factory ground wire to green ground screw on J-Box mounting bracket as shown in Figure 37,

6. Connect power cord power and neutral leads to furnace power leads as shown in Figure 35.

7. Attach furnace J-Box cover to mounting bracket with screws supplied in loose parts bag. Do not pinch wires

between cover and bracket.

BX Cable Installation in Furnace J-Box

1. Install J-Box mounting bracket to inside of furnace casing.

2. Route BX connector through 7/8-in. (22 mm) diameter hole in casing and J-Box bracket.

3. Secure BX cable to J-Box bracket with connectors approved for the type of cable used.

4. Connect field ground wire and factory ground wire to green ground screw on J-Box mounting bracket as shown in Figure 37.

5. Connect field power and neutral leads to furnace power leads, as shown in Figure 35.

6. Attach furnace J-Box cover to mounting bracket with screws supplied in loose parts bag. Do not pinch wires

between cover and bracket.

24-V Wiring

Make field 24-v connections at the 24-v terminal strip. (See

Figure 40, Figure 41, or Figure 42) Connect terminal Y/Y2 as shown in Figure 35 for proper cooling operation. Use only AWG No. 18, color-coded, copper thermostat wire.

A10141

32 Specifications subject to change without notice. 440 01 4001 04

NOTE: Use AWG No. 18 color-coded copper thermostat wire

for lengths up to 100 ft. (30.5 M). For wire lengths over 100 ft., use AWG No. 16 wire.

The 24-v circuit contains an automotive-type, 3-amp. fuse

located on the control. Any direct shorts during installation,

service, or maintenance could cause this fuse to blow. If fuse

replacement is required, use ONLY a 3-amp. fuse of identical size. (See Figure 40, Figure 41, or Figure 42) See the Service and Technical Support manual for detailed

instructions on control wiring and setup,

Thermostats and Control Settings for

(F/G)9MVT Variable Speed Furnaces

Communicating, single-stage and two-stage thermostats may all be used with these furnaces. Refer to typical thermostat wiring diagrams and the Sequence of Operation section of the Service and Technical Support manual for details on configuring the furnace control board. Consult the thermostat

installation instructions for specific information about configuring the thermostat.

Thermostats and Control Settings for

(F/G)9MXT Two-Stage Furnaces

A single-stage or two-stage heating and single-stage or two-stage cooling thermostat may be used with the furnace.

Refer to typical thermostat wiring diagrams and the Sequence of Operation section of the Service and Technical Support manual for details on configuring the furnace control board. Consult the thermostat installation instructions for specific

information about configuring the thermostat.

Thermostats and Control Settings for

(F/G)9MXE Single-Stage Furnaces

A single stage heating and single-stage or two-stage cooling thermostat may be used with the furnace. Refer to typical thermostat wiring diagrams and the Sequence of Operation section of the Service and Technical Support manual for details on configuring the furnace control board. Consult the thermostat installation instructions for specific information about

configuring the thermostat.

Accessories (See Figure 39, Figure 40, Figure 41,

and/or Figure 42)

1. Electronic Air Cleaner (EAC) Connect an accessory Electronic Air Cleaner (if used)

using 1/4-in female quick connect terminals to the two male 1/4-in quick-connect terminals on the control board marked EAC-1 and EAC-2. The terminals are

rated for 115VAC, 1.0 amps maximum and are

energized during blower motor operation.

2. Humidifier (HUM)

(F/G)gMVT The HUM terminal is a 24 VAC output,

energized when the blower is operating during a call for heat. (See Figure 40)

(F/G)9MXT There are two humidifier outputs on the

furnace control. The 115 VAC HUM terminal is

energized when the Induced Draft Relay closes. The 24 VAC HUM terminal is energized when the low

pressure switch closes during a call for heat. Connect an accessory 115 VAC accessory humidifier to the

HUM terminal and L2 on the furnace control. Connect a 24 VAC humidifier to the 24 VAC HUM terminal and

C screw terminal strip on the control board thermostat strip. (See Figure 41)

(F/G)gMXE The HUM 24 VAC terminal is a 24 VAC output energized when the gas valve relay closes

during a call for heat.

NOTE: There is not a HUM 115V terminal on the single stage ECM furnace control board. Available ONLY on the two-stage

ECM and PSC single-stage furnace control board.

Connect an accessory 24 VAC, 0.5 amp. Maximum (if used) to the 1/4-in. mate quick-connect HUM 24 VAC

terminal and C screw terminal on the control board thermostat strip. (See Figure 42)

NOTE: If the humidifier has its own 24 VAC power supply, an isolation relay may be required. Connect the 24 VAC coil of the isolation relay to the HUM 24 VAC and C screw terminal on the control board thermostat strip. (See Figure 39)

3. (F/G)9MVT-Communication Connector This connection is used when the furnace is

controlled by an optional communicating wall control instead of a standard thermostat. The communication

plug is supplied with the communicating wall control. Refer to the instructions supplied with the

communicating wall control for complete details. (See Figure 40)

4. (F/G)9MVT-OutsideAir Thermistor (OAT) The OAT connection is used in conjunction with

communicating wall control. It is not required when the furnace is controlled by a standard type thermostat. Refer to the instructions supplied with the

communicating wall control for complete details. (See Figure 40)

Alternate Power Supplies

This furnace is designed to operate on a utility generated power which has a smooth sinusoidat waveform. If the furnace

is to be operated on a generator or other alternate power supply, the alternate power supply must produce a smooth sinusoidal waveform for compatibility with furnace electronics.

The alternate power supply must generate the same voltage, phase, and frequency (Hz) as shown in Table 11 or on the

furnace rating plate. Power from an alternate power supply that non-sinusoidat may

damage the furnace or cause erratic furnace operation. Contact the alternate power supply manufacturer for

specifications and details.

440 01 4001 04 Specifications subject to change without notice. 33

Table 11 Electrical Data

(F/G)9MVT TWO-STAGE, VARIABLE SPEED FURNACES

UNIT SIZE

0401410 0601714 0801716

0802120

1002120 1202422

VOLTS-

HERTZ-

PHASE

115-60-1

115-60-1 115-60-1

115-60-1 115-60-1 115-60-1

OPERATING

VOLTAGE

RANGE*

Max*

127 127 127

Min*

104 104 104

MAXIMUM

UNIT

AMPS

7.5

9.2

11.7

11.8

UNIT

AMPAClTY#

10.3

12.4

15.5

15.6

MINIMUM

WIRE

SIZE

AWG

14 14 14

12 12 12

MAXIMUM

WIRE

LENGTH

FT (M)$

36 (11.0) 29 (8.8)

29 (8.8) 37 (11.3)

36 (11.0) 36 (11.0)

MAXIMUM

FUSE OR CKT

BKR

AMPST

15 15 15

20 20 20

(F/G)9MXT TWO-STAGE, ECM BLOWER FURNACES

UNIT SIZE

0401410 0601714 0801716

0802120

1002120 1202422

VOLTS-

HERTZ-

PHASE

115-60-1

115-60-1 115-60-1

115-60-1 115-60-1 115-60-1

OPERATING

VOLTAGE

RANGE*

Max* Min*

127 104 127 104 127 104

127 104 127 127

104 11.8 104 11.8

MAXIMUM

UNIT

AMPS

7.5

9.2

11.7

UNIT

AMPACITY#

10.3

12.4

15.5

15.6

MINIMUM

WIRE

SIZE

AWG

14 14 14

12 12 12

MAXIMUM

WIRE

LENGTH

FT (M)$

36 (11.0) 29 (8.8) 29 (8.8) 37 (11.3)

36 (11.0) 36 (11.0)

MAXIMUM

FUSE OR CKT

BKR

AMPST

15 15 15

20 20 20

(F/G)9MXE SINGLE-STAGE, ECM BLOWER FURNACES

OPERATING

VOLTS-

HERTZ-

UNIT SIZE

0401410 0606014 0801716

0802120

1002120 1202422

* Permissible limits of the voltage range at which the unit operates satisfactorily.

# Unit ampacity = 125percent of largestoperating component's full load amps plus 100percent of allother potential operating components' (EAC,humidifier, etc.)full load amps.

Time-delay type is recommended. Length shownis as measured one way along wirepath betweenunit and service panelfor maximum2 percent voltagedrop.

PHASE

115-60-1

115-60-1 115-60-1

115-60-1 115-60-1 115-60-1

VOLTAGE

RANGE*

Max* Min*

127 104

127 127

127 127 127

1O4 1O4

1O4 1O4 1O4

MAXIMUM

UNIT

AMPS

7.4

9.1

11.6

11.7

UNIT

AMPACITY#

10.3

12.4

15.5

15.6

MINIMUM

WIRE

SIZE

AWG

14 14 14

12 12 12

MAXIMUM

WIRE

LENGTH

FT (M)$

36 (11.0) 30 (9.1) 30 (9.1)

37 (11.3) 36 (11.0) 36 (11.0)

MAXIMUM

FUSE OR CKT

BKR

AMPST

15 15 15

20 20 20

Figure 39 1Isolation Relay for Humidifiers with Internal Power Supply

To Humidifier Leads

24 V Coil

• To HUM 24 VAC Terminal I On Furnace Control Board

To Com/24V Screw Terminal on Thermostat Strip

Al1157

34 Specifications subject to change without notice. 440 01 4001 04

Figure 40 _Example of Variable Speed Furnace Control for ECM Blower Motor - (F/G)9MVT

COMMUNICATION CONTINUOUS FAN OUTDOOR SW4 SETUP

MODEL PLUG CONNECTOR \

SW1 SETUP

SWITCHES AND

BLOWER OFF-

DELAY

AIR CONDITIONING

(A/C) AIRFLOW

SETUP SWITCHES

CONNECTOR (CF) AIRFLOW AIR TEMP SWITCHES

SETUP SWITCHES CONNECTOR

HUMIDIFIER

TERMINAL (24A!AC

0.5 AMP MAX.

Figure 41

24-V THERMOSTAT

TERMINALS

STATUS AND COMM

LED LIGHTS

3-AMPFUSE

TRANSFORMER

CONNECTIONS

115-VAC (L2) NEUTRAL

CONNECTIONS

PL1- LOW VOLTAGE MAIN

HARNESSCONNECTOR

HARNESS CONNECTOR VERSION

Example of Two-Stage Furnace Control for ECM Blower Motor - (F/G)9MXT

SELECTCHART

TSTAT HEAT

SW TYPE 0FF-DELAY

0#F 1-STG 2 3 90

I_STAT I_ I_ SEO,

ON I2-ST6 2 3"12 0

OFF II $TAT III III SEC,

ON 2_S 1_0

OFF _ i SEC.

OFNF 2.s.180

* FACTORYSETTINGS

;_ I PLT

SWl 1 2 3 z _ o

_) _

I>II

LU _

_ _-g_o_>_ _

o _ _: _ STAT

ACRDJ

AND ECM BLOWER SOFTWARE

TERMINALS

3 AMP

LED OPERATION & DIAGNOSTIC LIGHT --

V '%L%PEE(

115 VAC (L2) NEUTRAL

CONNECTIONS

_ O_ FLASH

E_ _ ONLY)

K 2 Z0 33 11 _ _ _

kRT NUMBER AND _ t15-VAC (L1) LINE

DATE CODEVWVYY I VOLTAGE CONNECTIONS \ PL2 - HOTSURFACE

EAC-1 TERMINAL MOTOR CONNECTOR

(115-VAC 1 .O AMP MAX.)

SET UP SWITCHES THERMOSTAT TYPE(TT)

AND HEAT OFF DELAY

TWINNING AND/OR

, TERMINAL

_ OMPONENT TEST

HUM _ HUMIDIFIER TERMINAL

-O c_'_W_O_ i_ P I LOW VOLTAGE

UPGRADE

CONNECTOR

(FACTORY

IGNITER & INDUCER

(24 VAC 0.5 AMPS MAX)

TRANSFORMER 24 VAC CONNECTIONS

lill;:Swvs°POWER,°L.

HI U COiNECTION 115 VAC

EAC 2 _^X I / _ /

-- . CD " }

" /TRISNASRFyORMER

EAC TERMINAL MOTOR CONNECTION 115 VAC 1.0 AMP / l

L(_I B_L- 1X(_FFMR H(_UUM g_ [_

I I

115 VAC LINE (L1) INPUT

/ IP2NITIO/TN%%RcF;S E

115 VAC RUM

Ltl F081

L12F037

440 01 4001 04 Specifications subject to change without notice. 35

Figure 42 1Example of Single Stage Furnace Control for ECM Blower Motor - (F/G)9MXE

HEAT OFF-DELAY

24-V THERMOSTAT

TERMINALS

3-AMP FUSE

LED OPERATION & DIAGNOSTIC LIGHT

BLOWER SPEED FAN --

SELECTION TERMINALS _SPARE2--

115-MAC (L2) NEUTRAL

CONNECTIONS

HEAT--

COOL --

COMBLUE 24VAC/RED

o o

o o o

115 VAC (L1) CONNECTIONS

1 AMP

EACl--1

EAC TERMINAL (115 VAC 1.0 AMP MAX.) P2-HOT SURFACE IGNITOR (HSI) &

BL-1 XFMR IN_HSI

TWINNING AND/OR COMPONENT TEST TERMINAL

HUMIDIFIER TERMINAL

(24-VAC 0.5 AMP MA_

TRANSFORMER 24VAC CONNECTIONS

P1 - LOW VOLTAGE MAIN HARNESS CONNECTOR

INDUCER MOTOR (IND) CONNECTOR

Lll F075

VENTING

GVS-65 PVC Solvent Cement for Royal Pipe or IPEX System 636(1)t, PVC Cement for Flue Gas Venting, rated Class IIA, 65

NOTE: Planning for the venting system should be done in conjunction with planning for the ductwork, drainage, and

furnace accessories, such as air cleaners and humidifiers. Begin assembling the venting system AFTER the furnace is set in place in the required orientation.

Venting for this furnace shall follow all Local codes for category IV venting systems. This furnace is CSA approved for venting

with PVC/ABS DWV venting systems. This furnace is also CSA approved for venting the M&G DuraVent ® PolyPro ® polyproplylene venting systems.

NOTE: THESE INSTRUCTIONS DO NOT CONTAIN DETAILED INSTALLATION INSTRUCTIONS FOR POLYPROPYLENE VENTING SYSTEMS. Refer to the

polyproplylene venting system manufacturer's installation instructions for the polyproplylene venting system installation.

NOTE: When using polypropylene venting systems, all venting materials used, including the vent terminations, must be from

the same manufacturer.

Special Venting Requirements for Installations in Canada

Installation in Canada must conform to the requirements of CAN/CSA B149 code. Vent systems must be composed of pipe, fittings, cements, and primers listed to ULC S636. The special vent fittings, accessory concentric vent termination kits, and accessory external drain trap available from the furnace

manufacturer have been certified to ULC S636 for use with those Royal Pipe and IPEX PVC vent components which have

been certified to this standard. In Canada, the primer and cement must be of the same manufacturer as the vent system

- GVS-65 Primer (Purple) for Royal Pipe or IPEX System 636, PVC/CPVC Primer, Purple Violet for Flue Gas Venting and

deg C. must be used with this venting system - do not mix primers and cements from one manufacturer with a vent

system from a different manufacturer. Follow the

manufacturer's instructions in the use of primer and cement

and never use primer or cement beyond its expiration date. The safe operation, as defined by ULC S636, of the vent

system is based on following these installation instructions, the vent system manufacturer's installation instructions, and proper

use of primer and cement. All fire stop and roof flashing used

with this system must be UL listed material. Acceptability under

Canadian standard CAN/CSA B149 is dependent upon full compliance with all installation instructions. Under this

standard, it is recommended that the vent system be checked

once a year by qualified service personnel.

The authority having jurisdiction (gas inspection authority,

municipal building department, fire department, etc) should be consulted before installation to determine the need to obtain a

permit.

*IPEX System 636 _' is a trademark of IPEX Inc.

Consignes sp_ciales pour rinstallation de

ventilation au Canada

L'installation faite au Canada dolt se conformer aux exigences du code CAN/CSA B149-2010. Ce syst6me de ventillation dolt

se composer de tuyaux, raccords, ciments et appr6ts

conformes au ULC S636. La tuyauterie de ventilation des gaz,

ses accessoires, le terminal concentrique mural ainsi que

I'ensembte du drain de condensation exterieur fourni par le

fabricant de cette fournaise ont et6 certifies ULC S636 pour

I'application des composantes Royal Pipe, IPEX PVC qui sont certifiees & ce standard. Au Canada, I'appr6t et le ciment doivent 6tre du m6me fabricant que le systeme d'evacuation.

36 Specifications subject to change without notice. 440 01 4001 04

Uappr_t GVS-65 (Purple) et le ciment-solvant GVS-65 doivent

_tre utilise avec les Royal Pipe. Systeme IPEX 636, appr_t

PVC/CPVC, Purple pour evacuation des gaz de combustion et

systeme IPEX 636(1)t, ciment PVC pour evacuation des gaz de combustion, cote classe IIA, 65 deg C. doivent _tre utilises

avec le systeme d'evacuation IPEX 636 - Ne pas combiner I 'appr_t et le ciment d'un manufacturier avec un systeme

d'evacuation d'un manufacturier different.

Bien suivre les indications du manufacturier Iors de I'utilisation

de I'appr_t et du ciment et ne pas utitiser ceux-ci si la date d'expiration est atteinte.

Uoperation securitaire, tel que definit par ULC S636, du systeme de ventilation est base sur les instructions d'instaltation suivantes, ainsi que I'usage approprie de I'appr_t

et ciment. Tout arret feu et solin de toit utilises avec ce systeme doivent _tre des materiaux listes UL. Uacceptation du

standard Canadien CAN/CSA B149 est directement relie&

I'installation conforme aux instructions ci- haut mentionnees. Le standard Canadien recommande I' inspection par un personel

qualifie et ce, une fois par annee.

Les autoritees ayant juridiction (inspecteurs de gas,

inspecteurs en b&timents, departement des incendies, etc) devraient _tre consultees avant I'instatlation afin de determiner

si un permis est requis.

CARBON MONOXIDE POISONING HAZARD

Failure to follow the steps outlined below for each ap-

oliance connected to the venting system being placed into operation could result in carbon monoxide poison- ing or death.

Failure to follow the steps outlined below for each ap-

oliance connected to the venting system being placed into operation could result in carbon monoxide poison- ing or death.

1. Seal any unused openings in venting system.

2. Inspect the venting system for proper size and hori- zontal pitch, as required in the National Fuel Gas Code, ANSI Z223.1/NFPA 54 or the CSA B149.1 Nat- ural Gas and Propane Installation Code and these in- structions. Determine that there is no blockage or re- striction, leakage, corrosion and other deficiencies,

which could cause an unsafe condition.

3. As far as practical, close all building doors and win- dows and all doors between the space inwhich the ap- pliance(s) connected to the venting system are loc- ated and other spaces of the building.

4. Close fireplace dampers.

5. Turn on clothes dryers and any appliance not connec- ted to the venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they

are operating at maximum speed. Do not operate a summer exhaust fan.

6. Follow the lighting instructions. Place the appliance being inspected into operation. Adjust the thermostat

so appliance is operating continuously.

7. Test for spillage from draft hood equipped appliances at the draft hood relief opening after 5 minutes of main burner operation. Use the flame of a match or candle.

8. If improper venting is observed during any of the above tests, the venting system must be corrected in accordance with the National Fuel Gas Code, ANSI

Z223.1/NFPA 54 and/or CSA B149.1 Natural Gas and Propane Installation Code.

9. After it has been determined that each appliance con- nected to the venting system properly vents when tested as outlined above, return doors, windows, ex- haust fans, fireplace dampers and any other gas-fired burning appliance to their previous conditions of use.

General

If this furnace replaces a furnace that was connected to a vent system or chimney, the vent or vent connectors of other

remaining appliances may need to be re-sized. Vent systems or vent connectors of other appliances must be sized to the

minimum size as determined using appropriate table found in the current edition of National Fuel Gas Code NFPA 54/ANSI Z-223.1. In Canada, refer to CAN/CSA-B149.1

An abandoned masonry chimney may be used as a raceway for properly insulated and supported combustion-air (when

applicable) and vent pipes. Each furnace must have its own set of combustion-air and vent pipes and be terminated

individually, as shown in Figure 49 for Direct Vent (2-Pipe) system, or Figure 50 for single-pipe or ventilated combustion

air option. A furnace shall not be connected to a chimney flue serving a

separate appliance designed to burn solid fuel. Other gas appliances with their own venting system may also use the

abandoned chimney as a raceway providing it is permitted by local code, the current edition of the National Fuel Gas Code,

and the vent or liner manufacturer's installation instructions. Care must be taken to prevent the exhaust gases from one

appliance from contaminating the combustion air of other gas appliances.

Do not take combustion air from inside the chimney when using ventilated combustion air or single-pipe vent option.

These furnaces can be vented as direct-vent (two-pipe), ventilated combustion air, or non-direct (single-pipe) vent system. Each type of venting system is described below.

Common venting between these furnaces or other appliances is prohibited.

Materials

U.S.A.

Combustion air and vent pipe, fittings, primers, and solvents must conform to American National Standards Institute (ANSI)

standards and American Society for Testing and Materials (ASTM) standards. See Table 13 for approved materials for

use in the U.S.A. This furnace is also CSA approved for venting with M&G DuraVent® PolyPro® polyproplylene venting

systems.

Canada

Special Venting Requirements for Installations in Canada Installation in Canada must conform to the requirements of

CAN/CSA B149 code. Vent systems must be composed of pipe, fittings, cements, and primers listed to ULC $636. M&G

DuraVent PolyPro polyproplylene venting systems are ULC $636 listed.

NOTE: When using polypropylene venting systems, all venting materials used, including the vent terminations, must be from

the same manufacturer.

440 01 4001 04 Specifications subject to change without notice. 37

Venting Systems

CARBON MONOXIDE POISONING HAZARD

Failure to follow the instructions outlined in Locating the

Vent Termination for each appliance being placed into

operation could result in carbon monoxide poisoning or death.

For all venting configurations for this appliance and other gas appliances placed into operation for the structure, provisions for adequate combustion, ventilation, and di-

lution air must be provided in accordance with: U.S.A. Installations: Section 9.3 NFPA 54/ANSI Z223.1 1-2009, Air for Combustion and Ventilation and

applicable provisions of the local building codes. Canadian Installations: Part 8 of

CAN/CSA-B149.1-10. Venting Systems and Air Supply for Appliances and all authorities having

jurisdiction.

RECOMMENDED SUPPORT FOR VENT

TERMINATIONS

It is recommended that sidewall vent terminations of over 24 inches (0.6 M) in length or rooftop vent termin-

ations of over 36 inches (1 M) in length be supported by EITHER the factory accessory vent termination kit or field-supplied brackets or supports attached to the structure. A factory accessory vent termination kit may

be used for direct vent terminations. Termination kits are available for 2-in. or 3-in. pipe. See Table 12 for

available options.

Table 12

DirectVent

(2-Pipe) System and VentPipes

TerminationKit

2-in (5t mm) SinglePenetration 1, 1-1/2, 2, or 2-1/2

Concentric Vent

Kit

3-in (76 mm) SinglePenetration 2-1/2, 3or 4

Concentric Vent

Kit

2-in (51 mm) 2-Pipe 1,1-1/2, 2,or 2-1/2

Termination Termination

Bracket Kit System (25,38, 51, 64 mm)

3-in (76 mm) 2-Pipe 2-1/2, 3 or 4

Termination Termination

Bracket System (64,76, 102 mm)

Direct Vent / 2-Pipe System

In a direct-vent (2-pipe) system, all air for combustion is taken directly from outdoor atmosphere, and all flue products are

discharged to outdoor atmosphere. Combustion-air and vent pipes must terminate together in the same atmospheric

pressure zone, either through the roof (preferred) or a sidewall. See Figure60 for references to clearances required by

National code authorities.

Vent Termination Kit for Direct Vent (2-Pipe) Systems

Diam. Of

Termination CombustionAir

in,(mm)

ofWall or Roof (25,38,51,64 mm)

ofWall or Roof (64, 76, 102mm)

OPTIONAL CONFIGURATION FOR COMBUSTION AIR INLET PIPE

In applications where there is a risk of excessive mois- ture entering the combustion air inlet pipe, a moisture trap may be added to the inlet pipe to help prevent

moisture from entering the furnace from the combus- tion air inlet pipe. See Figure 51.

When sizing venting systems, the equivalent length of the optional inlet pipe moisture trap must be taken into

account.

Ventilated Combustion Air Systems

In a ventilated combustion air option, the vent terminates and discharges the flue products directly to the outdoors similar to a

direct vent system. See Figure 61 for references to clearances required by National code authorities.

All air for combustion is piped directly to the furnace from a space that is well ventilated with outdoor air (such as an attic or

crawl space) and the space is well isolated from the living

space or garage. Combustion air requirements for this option are the same as the requirements for providing outside air for

combustion for a single pipe vent system. Refer to the "Air For Combustion and Ventilation Section."

Provisions for adequate combustion, ventilation, and dilution air must be provided in accordance with:

Non-Direct Vent (1-pipe) System

In a non direct-vent (1-pipe) system, all air for combustion is

taken from the area adjacent to furnace, and all flue products are discharged to outdoor atmosphere. Air for combustion

must be supplied as described in the Air For Combustion and

Ventilation Section. Do not use an abandoned chimney to supply outside air to the furnace. See Figure 61 for references

to clearances required by National code authorities. A combustion air pipe to the outdoors is not required for a

single pipe vent system. A 12-in. (304 mm) long pipe with a 2-in. (50 mm Nominal Dimension- ND) tight radius 90 degree

elbow is required to be attached to the combustion air pipe

adapter on the furnace. (See Figure 57) This short inlet air pipe

helps to ensure stable combustion, as well as allow for sound

attenuation. To aid sound attenuation, point the inlet air pipe away from occupants. An extra elbow and/or five feet (1.5 M) of

pipe may be used to accomplish the sound attenuation

function.

OPTIONAL VENTING BELOW THE FURNACE The venting system may be positioned below the fur-

nace ONLY IF the factory accessory External Vent Trap Kit is used. The External Vent Trap Kit is only approved for PVC/ABS DWV venting systems.

CAREFULLY FOLLOW THE INSTRUCTIONS PROVIDED WITH THE EXTERNAL VENT TRAP KIT FOR LAYING OUT THE VENTING SYSTEM AND

THE DRAIN SYSTEM. The instructions included with

this furnace DO NOT APPLY to vent systems that are

located below the furnace

38 Specifications subject to change without notice. 440 01 4001 04

CARBONMONOXIDE POISONING HAZARD

Failure to follow the instructions outlined in Locating the Vent Termination for each appliance being placed into operation could result in carbon monoxide poison- ing or death.

The instructions included with this furnace DO NOT APPLY to vent systems that are located below the fur-

nace. CAREFULLY FOLLOW THE INSTRUCTIONS

PROVIDED WITH THE EXTERNAL VENT TRAP KIT FOR LAYING OUT THE VENTING SYSTEM AND

THE DRAIN SYSTEM when all or part of the venting system is placed below the furnace.

Proper configuration of the venting and drain system is critical when placing all or part of the venting system

below the level of the furnace. VENT GASSES COULD BE RELEASED FROM THE DRAINAGE

SYSTEM, if the instructions provided with the External Vent Trap Kit are not followed.

Table 13

ASTM

SPECIFICATION

(MARKED ON

MATERIA_

D1527 D1785 D2235

D2241 D2466 D2468

D2564 D2661 D2665

F438 F441

F442 F493

F628

F656

F891

Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (U.S.A. Installation)

MATERIAL PIPE FITTINGS

ABS Pipe - PVC Pipe -

For ABS - -

PVC Pipe - PVC - Fittings

ABS - Fittings

For PVC - -

ABS Pipe Fittings

PVC Pipe Fittings CPVC - Fittings CPVC Pipe -

CPVC Pipe -

For CPVC - -

ABS Pipe

For PVC

PVC Pipe

SOLVENT CEMENT AND

PRIMERS

Solvent Cement

Primer

DESCRIPTION

Schedule-40 Schedule-40

For ABS

SDR-21 & SDR-26

Schedule-40 Schedule-40

For PVC

DWV at Schedule-40 IPS sizes

DWV

Schedule-40 Schedule-40

SDR

For CPVC

Cellular Core DWV at Schedule-40 IPS

sizes

For PVC

Cellular Core Schedule-40 & DWV

440 01 4001 04 Specifications subject to change without notice. 39

Figure 43

Attach gaskets to vent pipe and combustion air adapters

Figure 44

Vent Coupling and Adapter with

Gaskets

Vent Couplingand Adapter

I Vent Pipe Flush with Adaptor

VENT PIPE ADAPTER WITH GASKET INSTALLED ON FURNACE VENT PIPE IS CUT FLUSH WITH TOP OF

ADAPTER.

Al1314

Locating the Vent Termination

General

NOTE: Termination Requirements for the Provinces of

Alberta and Saskatchewan are located at the end of this section.

Combustion-air inlet pipe (Direct Vent/2-Pipe system only) and

vent pipe must terminate outside structure, either through sidewall or roof.

For vent termination clearance, references to National codes

are shown in Figure 60 for Direct Vent/2-Pipe system and

Figure 61 for Ventilated Combustion Air/Non-direct

Vent/I-Pipe system. For exterior termination arrangements,

refer to Figure 60 for Direct Vent/2-Pipe system and Figure 61

for Ventilated Combustion Air/Non- Direct/I-Pipe system.

Contact Local code authorities for other requirements to and/or exemptions from the National codes shown in the figures.

Roof termination is often preferred since it is less susceptible to damage or contamination, is usually located away from

adjacent structures, is less prone to icing conditions, and often

has less visible vent vapors. Sidewall terminations may require

sealing or shielding of building surfaces with a corrosive

resistance material due to the corrosive properties of combustion products from the vent system, as well as

protection of adjacent structures.

RECOMMENDED SUPPORT FOR VENT

TERMINATIONS

It is recommended that side-wall vent terminations in

excess of 24 inches (0.6 M) or rooftop terminations in excess of 36 inches (1.0 M) in vertical length be sup-

ported by EITHER the Direct Vent Termination Kit shown in Table 12 or by field-supplied brackets or supports fastened to the structure.

Figure 45

A11339A

I Vent Pipe Flush Showing Coupling

ALIGN NOTCHES IN VENT PIPE COUPLING OVER STAND-OFF ON ADAPTER. TORQUE LOWER CLAMP 15 LB-IN. WHEN REMAINING VENT PIPE IS INSTALLED, TORQUE UPPER CLAMP TO 15 LB-IN.

When determining appropriate location for termination, consider the following guidelines:

1. Comply with all clearance requirements stated in Figure 60 or Figure 61 per application.

2. Termination or termination kit should be positioned where

vent vapors will not damage plants/shrubs or air

conditioning equipment.

3. Termination or termination kit should be positioned so

that it will not be affected by wind eddy, such as inside

building corners, nor by recirculation of flue gases, airborne leaves, or light snow.

4. Termination or termination kit should be positioned where it will not be damaged by or subjected to foreign objects

such as stones, balls, etc.

5. Termination or termination kit should be positioned where

vent vapors are not objectionable.

Direct Vent / 2-Pipe System

Direct vent (2-pipe) vent and combustion air pipes must

terminate outside the structure. See Figure 60 for references to vent clearances required by National code authorities.

Allowable vent and combustion air terminations are shown in

Figure 49.

A11889B

40 Specifications subject to change without notice. 440 01 4001 04

CARBON MONOXIDE POISONING HAZARD

Failure to follow the instructions outlined in Locating the Vent Termination for each appliance being placed into operation could result in carbon monoxide poisoning or death.

For all venting configurations for this appliance and other gas appliances placed into operation for the structure, provisions for adequate combustion, ventilation, and dilution air must be provided in

accordance with: U.S.A. Installations: Section 9.3 NFPA 54/ANSI

Z223.1 1-2009, Air for Combustion and Ventilation and applicable provisions of the local building codes.

Canadian Installations: Part 8 of CAN/CSA-B149.1-10. Venting Systems and Air

Supply for Appliances and all authorities having jurisdiction.

Ventilated Combustion Air

The vent pipe for a Ventilated Combustion Air System must terminate outdoors. See Figure60 for references to vent clearances required by National code authorities. Allowable vent terminations are shown in Figure 50. The combustion air pipe terminates in a welt-ventilated attic or crawl space. Follow the clearances as shown in Figure 58 and Figure 59.

The combustion air pipe cannot terminate in attics or crawl spaces that use ventilation fans designed to operate in the

heating season. If ventilation fans are present in these areas, the combustion air pipe must terminate outdoors as a Direct Vent System.

Non-Direct Vent / 1-Pipe System

The vent pipe for a Non Direct Vent (1-pipe) system must terminate outdoors. See Figure61 for references to vent clearances required by National code authorities. Allowable vent terminations are shown in Figure 50.

A combustion air inlet pipe to the outdoors is not required for a

Non-Direct Vent System. A 12-in. long section of pipe with a tight radius 2-in. (51 mm) 90 degree elbow is required to be attached to the furnace. See Figure 46 and Figure 48. This short inlet air pipe helps to ensure inlet air pipe away from occupants. An extra elbow and/or five fee (1.5 M) of pipe may be used to accomplish the sound attenuation function.

Termination Requirements for the

Provinces of Alberta and Saskatchewan

The Provinces of Alberta and Saskatchewan require a minimum unobstructed distance of 4 ft. (1.2m) from the foundation to the property line of the adjacent lot for vent termination of any appliance with an input over 35,000 btuh. If there is less than 4 ft. (1.2m) of unobstructed distance to the property line of the adjacent lot, no type of vent termination is permitted for appliances with inputs greater than 35,000 btuh. There are no additional restrictions on unobstructed distances

greater than 8 ft. (2.4m). All single, two-pipe and concentric vents may be used, providing all other Code and

manufacturer's requirements in these instructions are adhered to. Refer to the appropriate Vent Termination section above for

locating the vent termination.

If the unobstructed distance from the foundation to the property

line of the adjacent lot is no less than 4 ft. (1.2m) and no greater than 8 ft. (2.4m), it will be necessary to re-direct the flue gas plume. In this situation, a concentric vent kit cannot be used. A 2-pipe termination (or single pipe termination when permitted) that re-directs the flue gas away by use of an elbow

or tee, certified to ULC S636 from the adjacent property line must be used. (See Figure 46 and Figure 48) The concentric vent kit currently cannot be modified to attach

an elbow to the vent portion of the rain cap. A tee attached to the rain cap could potentially direct the flue gas plume toward the intake air stream and contaminate the incoming combustion

air for the furnace. Refer to Figure 46 and Figure 48 for terminations approved for

use in Alberta and Saskatchewan.

Figure 46 JTee at Termination Outlet

OPTIONALTERMINATION BRACKETFOR2 PiPE

TERMINATIONS _

12-in

30.48 cm

Above anticipated

snow level

L12F030

Sample Inlet Air Pipe Connection

Figure 47 for Polypropylene Venting Systems

EXAMPLE FOR UPFLOW INSTALLATIONS. MAY BEAPPLIED TO OTHER CONFIGURATIONS.

A12220

440 01 4001 04 Specifications subject to change without notice. 41

Figure 48 IVent Terminations

Clearance to overhang per code

......"_. downwarddegreeelbow pointing

SEPARATION

COMBUSTION AIR LEVEL OR GRADE,

(ELBOW PARALLEL WHICHEVER IS

TO WALL) GREATER

12 In (30&Smm) MIN Ground Level ORSnow Level

Figure 49 l Combustion Air and Vent Pipe Termination for Direct Vent (2-Pipe) System

Vertical separation between combustion air and vent

8 _i in. (222mm) or 3 in.(76mm)

6 _i in. (172mm) or 2in. (51mm)_

Maintain 12 in. (305mm) \ min. Clearance above highest anticipated snow

level maximum of 24 in.

(614ram) above roof

Roof Termination (Preferred)

At least 36 in ............. _ Note: for direct vent systems

D ......... |..A Between the f rst 2 vents Th rd

F |1 _-'_ vent (and foutth vent, if used) ......................

/ 18 n Maxmum _ _ mustbe36 n Away 914mm .............

/ 457mm I ..... i H_F_>_ ............ .---4--'1 | ,

Is ............ * #_'_i H f ............... N-;': ;-- -" = ^^ _ a l _ Uanan 2 n 305ram mn Ceaance

/ _ &- _ ii Hl ........ /A[least_o{n. . i_sP&

(914mm) ....... | 'A" denotes 0 To 2 in. (51 mm)

-- _') ; ! .--4[: "- / q_.-aj.. _ _._- above highest anticipated snow level

i-7 l ................ L H-F _ (914mm) W _ -_-" maxi ...... f24in. 6t4mm ab ...... f

,r ' _i i" iJ] ' _' C ...... tric Vent and Combustion Air

_ i _ t) J J- _ Roof Term nat on (p eferred) 1in 25mm maximum

I - ff " _

' ' I} "| . - {Typ.) from wall to inlet

t i .L -

Abandoned masonry used as raceway (per code) "

Note:

36 in. separation between pairs of inlets only required

12 in. From Overhang or roof (Typ.)

OVERHANG

For single pipe vent

applicatioas, install a 45

L12F031

Maintain 12 in. (305ram) rain. Clear

(914range level or grade whichever is greater

....... (Typ.)

Side wall termination of less than 12 in. (305ram) above highest snow level

_tleast 36 in.

(914mm)

between bottom of corn bustion air and bottom of

(914mm)

\\\\\\

vent (Typ.)

Maintain 12 in. (305ram) min. Clearance above highest an ticipated snow level or grade whichever is greater (Typ.)

separation

Note:

'A" denotes 0 To 2 in. (51 mm)

Between the first 2 vents Third

vent (and fourth vent. if used) must be 36 in. Away (914mm)

ance above highest anticipated snow

L12F032

42 Specifications subject to change without notice. 440 01 4001 04

Figure 50 _Vent Pipe Termination for Non-Direct Vent and Ventilated Combustion Air System

Roof Terminatbn (Preferred)

(305mm)

minimum clearance

above highest ant_dpated

snow bvel maxim um of

24 _n (61 gem) above roof

Abandoned masonry

used as raceway (percode)

12 _n m_n (305 mm)from

overhang or roof

SidewalF Ter m_nat bn

w_th Stra_gH P_pe (preferred)

Maintain 12 _n (305me) m_n_mum cbarance above h_ghest ant_dpated snow level or grade

whichever _s greater

S_de wal_ term_naSon w_h 2 eFbows (preferred)

Maintain 12 _n (305me) m_n_mum cbarance

above h_ghest ant_dpated snow level or grade whichever _s greater

6 _n 152mm) m_n_mum clearance

bergen wa _ and end o vent p_pe

10 _n (254mm) m_mum p_pe bngh

A0509f

Size the Vent and Combustion Air Pipes General

Furnace combustion air and vent pipe connections are sized

for 2-in. (50 mm ND) PVC/ABS DWV pipe. The combustion air and vent pipe connections also accommodate 60mm

polypropylene venting systems with outside diameters of approximately 60 mm (2-3/8 inches). Any pipe diameter

change should be made outside furnace casing in vertical pipe. Any change in diameter to the pipe must be made as close to

the furnace as reasonably possible. The Maximum Vent Length for the vent pipe and combustion air

pipe (when used) equals the Maximum Equivalent Vent Length

(MEVL) in Table 14 or Table 16, minus the number of fittings

multiplied by the deduction for each type of fitting used from Table 15.

OPTIONAL CONFIGURATION FOR COMBUSTION

AIR INLET PIPE

In applications where there is a risk of excessive mois- ture entering the combustion air inlet pipe, a moisture trap may be added to the inlet pipe to help prevent

moisture from entering the furnace from the combus- tion air inlet pipe. See Figure 51.

When sizing venting systems, the equivalent length of the optional moisture trap (15 feet/5 M) must be taken

into account

Optional Combustion Air Inlet Moisture Trap

As an option to prevent moisture from trickling into the furnace vestibule, a trap can be installed in the intake air pipe near the

furnace. Connecting a drain line to the trap is optional as trace amounts of moisture will evaporate into the intake air stream. If

the combustion air inlet is located near a moisture exhaust duct, or there are other concerns of excessive moisture being

drawn into the combustion air inlet, it is encouraged to connect a drain line to the trap.

The trap can be constructed from a running tee of the same diameter of the intake air pipe with EITHER a removable cap

attached to a 6-inch long pipe connected to the tee or the External vent Trap Kit to help prevent contaminants from entering the furnace. See Figure 51.

The External Vent Trap Kit accessory may be used as a trap for the combustion air inlet pipe if a large amount of moisture must

be removed. The drain line may be connected to the same drain as the furnace condensate and the evaporator coil

condensate line ONLY if the inlet air trap drain and the evaporator coil drain empty into an open segment of pipe above the drain, See Figure 12. When using the External Vent

Trap Kit, refer to those instructions for proper drain connections.

The tee may also be connected to the intake air pipe on the side of the casing. See Figure 51.

In any configuration, it will be necessary to add the equivalent length of the tee (15 feet/5 M) to the Total Equivalent Vent

Length of the venting system.

440 01 4001 04 Specifications subject to change without notice. 43

ADDITIONAL INFORMATION FOR POLYPROPYL-

ENE VENTING SYSTEMS

Polypropylene venting systems include flexible vent pipe. These flexible vent pipes have a different equi-

valent vent length than straight sections of PVC/ABS

DWV vent pipe. Be sure to make the appropriate de- ductions from the Maximum Equivalent Vent Length (MEVL), or additions to the Total Equivalent Vent Length (TEVL), when applying flexible vent pipes in polypropylene venting systems. See the polypropylene

vent system manufacturer's installation instructions for

details.

When using metric-sized venting systems, use these

equivalencies for obtaining the proper MEVL from the

Tables:

Use 2" Vent Tables for 60mm (o.d.) vent systems Use 3" Vent Tables for 80mm (o.d.) vent systems Use 4" Vent Tables for 100mm (o.d.) vent systems

The measured length of pipe used in a single or 2-pipe termination is included in the total vent length. Include

deductions from the Maximum Equivalent Vent Length (MEVL) contained in the Venting Tables for elbows and flexible vent

pipe. Factory accessory concentric vent terminations, or pipe lengths and elbows used for "standard" vent terminations (see

vent termination figures associated with Table14) do not require a deduction from the Maximum Equivalent Vent Length.

Include a deduction for a Tee when used for Alberta and Saskatchewan terminations.

NOTE: Polypropylene venting systems MAY require additional deductions from the MEVL, or additions to the TEVL, for vent terminations and flexible pipe sections. See the polypropylene venting system manufacturer's instructions for details on equivalent lengths of vent terminations and flexible vent pipes, and for calculating total vent lengths.

To calculate the Total Equivalent Vent Length (TEVL) of the venting system:

1. Measure the individual distance from the furnace to the termination for each pipe.

2. Count the number of elbows for each pipe.

3. For each pipe, multiply the number of elbows by the equivalent length for the type of elbow used. Record the

equivalent length of all the elbows for each pipe.

4. If a Tee is used on the termination (Alberta and Saskatchewan, when required), record the equivalent

length of the Tee used.

5. Calculate Total Equivalent Vent Length by adding the equivalent lengths of the fittings to the lengths of the

individual vent and combustion air pipes.

6. When using polypropylene venting systems with flexible

vent pipes, perform adjustments for the equivalent length

of the flexible vent pipe to the calculated total equivalent

venting system length. See the polypropylene vent

system manufacturer's instructions for details.

7. Select a diameter of vent pipe from Table 14 and

Table 16 and note the Maximum Equivalent Vent Length

(MEVL) shown for that application for that specific

furnace input size. Compare the Total Equivalent Vent

Length (TEVL) to the MEVL:

a. If the Total Equivalent Vent Length is shorter than the

Maximum Equivalent Vent Length for the diameter of pipe chosen, then that diameter of pipe selected may

be used.

b. If the Total Vent Length is longer than the Maximum

Equivalent Vent Length for the diameter of pipe chosen, that diameter pipe MAY NOT be used for

venting the furnace. Try the next larger diameter pipe.

NOTE: If the calculated Total Equivalent Vent Lengths results in different diameter pipes for the vent and combustion air,

select the larger diameter for both pipes.

NOTE: If the Maximum Vent Length for diameter of the pipe

selected is longer than the measured length and the equivalent

length of all the fittings and terminations (TEVL), recalculate Total Equivalent Vent Length using the next smaller diameter. If the Maximum Vent Length is still longer than the longer TEVL

of the vent pipe or combustion air pipe, then that diameter of

pipe selected may be used. When installing vent systems with pipe lengths of 10 ft. (3.0 M)

or less, use the smallest allowable pipe diameter. Using pipe size greater than required for short venting systems may result

in loss of efficiency, incomplete combustion, flame disturbance,

or flame sense lockout.

For vent systems longer than 10 ft. (3.0 M), any larger diameter shown in Table 14 or Table 16 for that size model may be

used.

44 Specifications subject to change without notice. 440 01 4001 04

Figure 51

Optional Combustion Air Inlet Moisture Trap

® ®

TO CODE-APPROVED DRAIN OR CONDENSATE PUMP

Representative drawing only, some models may vary in appearance.

Combustion Air and Vent Piping Insulation Guidelines

NOTE: Use closed cell, neoprene insulation or equivalent.

The vent pipe may pass through unconditioned areas. The amount of exposed pipe allowed is shown in Table 17 and

Table 18.

1. Using winter design temperature (used in load calculations), find appropriate temperature for your

application and furnace model.

2. Determine the amount of total and exposed vent pipe.

3. Determine required insulation thickness for exposed pipe length(s).

4. When combustion air inlet piping is installed above a

suspended ceiling, the pipe MUST be insulated with

moisture resistant insulation such as Armafiex or other equivalent type of insulation.

5. Insulate combustion air inlet piping when run in warm, humid spaces.

6. Install the insulation per the insulation manufacturer's installation instructions.

NOTE: Pipe length (ft / M) specified for maximum pipe lengths located in unconditioned spaces (See Table 17 and Table 18)

cannot exceed total allowable pipe length as calculated from Table 14 through Table 16.

® ®

o-o

Configure the Furnace

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

To route the vent pipe and combustion air pipe through

the furnace, the manufacturer supplied kit must be used. Failure to properly seal the blower compartment

from the furnace vestibule could result in the

circulation of carbon monoxide throughout the structure. The vent pipe and combustion air pipe must

be a continuous pipe while passing through the blower compartment. Seals supplied in this kit must be installed per the instructions provided. Follow all

procedures outlined in these instructions.

Install the Vent and Combustion Air Pipes

With the furnace installed in the required position, remove the desired knockouts from the casing. It will be necessary to remove one knockout for the vent pipe and the other knockout for the combustion air connection. (See Figure 13)

L12F028

440 01 4001 04 Specifications subject to change without notice. 45

Use a flat blade screwdriver and tap on the knockout on opposite sides, where the knockout meets the casing. Fold the

knockout down with duct pliers and work the knockout back and forth until it is removed. Trim any excess metal from the

knockout with tin snips. The vent elbow can be rotated to the required location on the casing if necessary. See Figure 52 to rotate the vent elbow:

1. Loosen the clamp on the inlet of the vent elbow attached to the inducer.

2. Rotate the vent elbow to the required position. There are rounded notches in the vent elbow to align it with the inducer for each orientation.

3. Tighten the clamp around the vent elbow. Torque the clamp to 15 Ib-in. See Figure 53 through Figure 56.

Figure 52 I Inducer Vent Elbow - PSC

INDUCEROUTLET

PSC INDUCER ASSEMBLY A11285A

VENT ELBOW CLAMP TORQUE 15 LB-IN.

VENT PIPECLAMP TORQUE 15 LB-IN.

Upflow Configurations (CONTINUED)

f/ ......

/ <[1=,; . o ......

=ot .........{

requim_l posi_on. _t:}'

UPFLOW RIGHT - VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

_. (s)

_t m=ybe.=_ '., L / k_ ¢%

for combustion air ".... [ } {- ' _,_:_ _ ":_I"\

Alt308

INDUCEROUTLET CHOKE 40,000BTUH MODELSONLY

Figure 53

Upflow Configurations

d2b_®

UPFLOW LEFT - VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

VENT ELBOW

A11285B

Any _ _'tused

for co_bustion air

o_nectten.

" - Rotate vent elbOW to

required position.

Al1309

UPFLOW VERTICAL - VENT CONFIGURATION

Representative drawing only, some models may vary in appearancAi i310

Figure 54 Downflow Configurations

Alt3tt

* See NOTES following figures.

46 Specifications subject to change without notice. 440 01 4001 04

Downflow Configurations (CONTINUED)

Rotate vent elbow to

required position.

DOWNFLOW RIGHT - VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

Alt3t2

Horizontal Left Configurations (CONTINUED)

ALTERNATE COMBUSTION AIR

HORIZONTAL LEFT - LEFT VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

A11328

DOWNFLOW VERTICAL - VENT CONFIGURATION

Requires Accessory Internal Vent Kit

See Specification Sheets for current kit number

Representative drawing only, some models may vary in appearance.

* See NOTES following figures.

Figure 55 _Horizontal Left Configurations

L11F063

HORIZONTAL LEFT - RIGHT VENT CONFIGURATION* Al1329

* Requires accessory Internal Vent Kit

Representative drawing only, some models may vary in appearance.

* See NOTES following figures.

Figure 56 1Horizontal Right Configurations

HORIZONTAL LEFT - VERTICAL VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

440 01 4001 04 Specifications subject to change without notice. 47

AI1327

HORIZONTAL RIGHT - VERTICAL VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

COMBUSTION

CONNECTIONS

AI 1337

Horizontal Right Configurations (CONTINUED)

HORIZONTAL RIGHT - LEFT VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

ALTERNATE

COMBUSTION

AIR

Installing the Vent Pipe Adapter and Combustion Air Pipe Adapter

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

To route the vent pipe and combustion air pipe through the furnace, the manufacturer supplied kit must be

used. Failure to properly seal the blower compartment

from the furnace vestibule could result in the circulation of carbon monoxide throughout the

structure. The vent pipe and combustion air pipe must

be a continuous pipe while passing through the blower

compartment. Seals supplied in this kit must be

installed per the instructions provided. Follow all 3rocedures outlined in these instructions.

A11336

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

DO NOT use cement to join polypropylene venting

systems. Follow the polypropylene venting system

manufacturer's instructions for installing polypropylene

venting systems.

HORIZONTAL RIGHT - RIGHT VENT CONFIGURATION

Representative drawing only, some models may vary in appearance.

* See NOTES following figures.

NOTES:

1. Attach vent pipe adapter with gasket to furnace casing.

2. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling.

3. Slide vent pipe through adapter and coupling into vent elbow.

4. Insert vent pipe into vent elbow.

5. Torque all clamps 15-lb.-in.

6. Attach combustion air pipe adapter with gasket to furnace.

7. Attach combustion air pipe to adapter with silicone. Pilot drill a ]/8-in. Hole in adapter and secure with a #7 x

]/2-in. Sheet metal screw.

A11335

NOTE: The rubber coupling that attaches to the vent pipe

adapter must be used. The adapter seals the vent pipe to the

casing and reduces the strain on the vent elbow attached to the inducer.

1. Apply the gaskets to the vent pipe and combustion air pipe adapters. If supplied, remove and discard round center "slug" from interior of gasket. See Figure 43.

NOTE: The vent pipe adapter can be distinguished from the inlet pipe adapter by the absence of an internal pipe-stopping ring. The vent pipe can pass through the vent pipe adapter; it cannot pass through the inlet pipe adapter.

2. Align the screw holes in the plastic vent pipe adapter with

the dimples in the casing.

3. Pilot drill the screw holes for the adapter in the casing and attach the vent pipe adapter to the furnace with sheet metal screws

4. Slide the end of the rubber vent coupling with notches in it over the standoffs on the vent pipe adapter.

5. Insert a length of vent pipe through the coupling into the outlet of the vent elbow.

6. Tighten the clamp around the outlet of the vent elbow.

Torque the clamp to 15 Ib-in.

The following instructions are for PVC/ABS DWV vent

piping, only. DO NOT USE THESE TECHNIQUES FOR POLYPROPYLENE VENT PIPING SYSTEMS. See the

polypropylene vent system manufacturer's instructions

for installing polypropylene venting systems.

48 Specifications subject to change without notice. 440 01 4001 04

Installtheremainingventandcombustionairpipesasshown

below.Itisrecommendedthatallpipesbecut,prepared,and preassembledbeforepermanentlycementinganyjoint.

1.Workingfromfurnaceto outside,cutpipeto required length(s).

2.De-burrinsideandoutsideofpipe.

3.Chamferoutsideedgeofpipeforbetterdistributionof primerandcement.

4.Cleananddryallsurfacestobejoined.

5.Checkdryfitofpipeandmarkinsertiondepthonpipe.

6.Inserttheventpipeintotheventelbow.

7.Torqueclamponventelbow15Ib-in.

8.Torqueclamponventcoupling15Ib-in.

9.Insertthecombustionairpipeintotheadapter.

10.Pilotdrilla screwholethroughthe adapterintothe combustionairpipeandsecurethepipetotheadapter

with sheetmetalscrews.DO NOTDRILLINTO

POLYPROPYLENEVENTPIPES.Usean optional

accessoryventcoupling,ifneeded.

11.Sealaroundthecombustionairpipewithsiliconeorfoil tape. SILICONESEALERSMAY NOT BE

APPROPRIATEFOR POLYPROPYLENEVENT

SYSTEMS.SEEPOLYPROPYLENEVENTSYSTEM MANUFACTRUER'SINSTRUCTIONS.

12.Afterpipeshavebeencutandpreassembled,apply generouslayerofcementprimertopipefittingsocket

and endof pipeto insertionmark.Quicklyapply approvedcementtoendofpipeandfittingsocket(over

primer).Applycementinalight,uniformcoatoninsideof

socketto preventbuildupof excesscement.Apply secondcoat.DONOTCEMENTPOLYPROPYLENE

FITTINGS.

13.Whilecementis stillwet,twistpipeintosocketwith 1/4-in.turn.Besurepipeisfullyinsertedintofitting

socket.

14.Wipeexcesscementfromjoint.A continuousbeadof cementwillbevisiblearoundperimeterofa properly madejoint.

15.Handlepipejointscarefullyuntilcementsets.

16.Horizontalportionsof the ventingsystemshallbe

supportedto preventsagging.Supportcombustionair

pipingandventpipingaminimumofevery5ft.(1.5M)[3

ft. (.91M)forSDR-21or -26 PVC]usingperforated

metalhangingstraporcommerciallyavailablehangars designedtosupportplasticpipe.

17.Preventcondensatefromaccumulatinginthepipesby

slopingthe combustionair pipingandventpiping

downwardtowardsfurnacea minimumof 1/4-in.per linearft.withnosagsbetweenhangers.

18.Completetheventandcombustionairpipeinstallation byconnectingtotheconcentricventorbyinstallingthe requiredterminationelbowsasshowninFigure49and

Figure 50, Alberta Figure 46 and Figure 48. For

ventilated combustion air terminations, refer to Figure 58 and Figure 59.

19. Use appropriate methods to seal openings where combustion air pipe and vent pipe pass through roof or

sidewall.

Optional Installation of the Vent Pipe

NOTE: DO NOT USE THIS TECHNIQUE FOR POLYPROPYLENE VENTING SYSTEMS.

This option provides a disconnect point for the vent pipe. The vent pipe must be cemented to the plastic vent pipe adapter to maintain a sealed vestibule. See Figure 44 and Figure 45

1. Insert a length of vent pipe through the casing into the outlet of the vent elbow.

2. Slide the plastic vent pipe adapter over the length of the vent pipe down to the furnace casing. Mark the pipe

where it is flush with the outlet of the adapter.

3. Remove the pipe from the furnace and the adapter and cut off any excess pipe.

4. Clean and prime the end of the pipe that is flush with the vent adapter with a primer that is appropriate for the type of pipe being used.

5. Re-insert the pipe through the casing into the vent elbow.

6. Tighten the clamp around the outlet of the vent elbow. Torque the clamp to 15 Ib-in.

7. Apply cement to the end of the pipe and to the inside of the plastic vent adapter.

8. Slide the adapter over the vent pipe and align the screw holes in the adapter with the dimples in the furnace casing,

9. Pilot drill 1/8-in. screw holes for the adapter in the casing and secure the adapter to the furnace with sheet metal

screws.

10. Loosen the clamps on the rubber vent coupling.

11. Slide the end of the coupling with notches in it over the standoffs in the vent pipe adapter.

12. Tighten the clamp of the coupling over the vent pipe adapter. Torque the lower clamp around the vent pipe adapter to 15 Ib-in.

13. Pilot drill a 1/8-in. hole in the combustion air pipe adapter.

14. Complete the vent and combustion air pipe as shown in "Install the Vent and Combustion Air Pipe"

FOR POLYPROPYLENE VENTING SYSTEMS

When using polypropylene venting systems, all venting

materials used, including the vent terminations, must be from the same manufacturer.

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

DO NOT use cement to join polypropylene venting systems. Follow the polypropylene venting system manufacturer's instructions for installing polypropylene

venting systems.

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal

injury or death.

DO NOT use cement to join polypropylene venting systems. Follow the polypropylene venting system manufacturer's instructions for installing polypropylene venting systems.

440 01 4001 04 Specifications subject to change without notice. 49

Figure 57

I Combustion Air Pipe

Point elbowdown towards back offurnace

Two-Pipe and Single-Pipe Terminations

Single and two pipe vent must be installed as shown in Figure 49 and Figure 50. Maintain the required separation

distance between vents or pairs of vents as shown in Figure 49 and Figure 50 and all clearance shown in Figure 60

or Figure 61.

12" (256mm) minimum

60"(1524 mm) or 1 additional elbow maximum

CASING SIDE ATTACHMENT COMBUSTION AIR PIPE

(NON-DIRECT VENT) Lt2F042

Installing the Vent Termination

Roof Terminations

A roof termination of any type will require a 4-in. (102 mm) flashing for a 2-in. (50 mm ND) concentric vent or a 5-in. (127

mm) diameter flashing for a 3-in. (80 mm ND) concentric vent kit. For two-pipe or single pipe vent systems, a flashing for each

pipe of the required diameter will be necessary. It is recommended that the flashing be installed by a roofer or

competent professional prior to installing the concentric vent. The terminations can be installed on a flat or pitched roof.

Concentric Vent

Single or multiple concentric vent must be installed as shown in Figure 49. Maintain the required separation distance between

vents or pairs of vents as shown in Figure 49 and all clearance shown in Figure 60.

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal injury or death.

DO NOT use cement to join polypropylene venting systems. Follow the polypropylene venting system manufacturer's instructions for installing polypropylene

venting systems.

NOTE: Follow the instructions of the vent terminal manufacturer. These instructions are provided as a reference

only. Cut one 4-in. (102 mm) diameter hole for 2-in. (50 mm ND) kit,

or one 5-in. (127 mm) diameter hole for 3-in. (80 mm ND) kit in the desired location.

Loosely assemble concentric vent/combustion air termination components together using instructions in kit.

Slide assembled kit with rain shield REMOVED through hole in wall or roof flashing. NOTE: Do not allow insulation or other materials to accumulate

inside of pipe assembly when installing it through hole. Disassemble loose pipe fittings. Clean and cement using same

procedures as used for system piping. DO NOT CEMENT POLYPROPYLENE FITTINGS.

RECOMMENDED SUPPORT FOR VENT

TERMINATIONS

It is recommended that rooftop vent terminations in excess of 36 inches (1.0 M) in vertical length be supported by EITHER the Direct Vent Termination Kit shown in Table 12 or by field-supplied brackets or supports fastened to the structure.

Cut the required number of holes in the roof or sidewall for vent

and (when used) combustion air pipes. Sidewall holes for two-pipe vent terminations should be side-by-side, allowing

space between the pipes for the elbows to fit on the pipes.

Holes in the roof for direct-vent (two-pipe) terminations should be spaced no more than 18-in. (457 mm) apart to help avoid

vent gas recirculation into combustion air intake. Termination elbows will be installed after the vent and (if used)

combustion air pipe is installed.

Sidewall Terminations

Concentric Vent

NOTE: Follow the instructions of the vent terminal manufacturer. These instructions are provided as a reference,

only. Determine an appropriate location for termination kit using the guidelines provided in section "Locating The Vent Termination"

in this instruction.

1. Cut one 4-in. diameter hole for 2-in. kit, or one 5-in. diameter hole for 3-in. kit.

2. Loosely assemble concentric vent/combustion air

termination components together using instructions in kit.

3. Slide assembled kit with rain shield REMOVED through hole.

NOTE: Do not allow insulation or other materials to accumulate inside of pipe assembly when installing it through hole.

4. Locate assembly through sidewall with rain shield positioned no more than 1-in. (25 mm) from wall as

shown in Figure 49.

5. Disassemble loose pipe fittings. Clean and cement using same procedures as used for system piping. DO NOT

CEMENT POLYPROPYLENE FITTINGS.

Two-Pipe and Single-Pipe Vent Termination

NOTE: Follow the instructions of the vent terminal manufacturer. These instructions are provided as a reference,

only.

RECOMMENDED SUPPORT FOR VENT

TERMINATIONS

It is recommended that side-wall vent terminations in

excess of 24 inches (0.6 M) in vertical length be sup-

ported by EITHER the Direct Vent Termination Kit in

Table 12 or by field-supplied brackets or supports fastened to the structure.

50 Specifications subject to change without notice. 440 01 4001 04

Determine an appropriate location for termination kit using the

guidelines provided in section "Locating The Vent Termination"

in this instruction.

1. Cut two holes, one for each pipe, of appropriate size for pipe size being used.

2. Loosely install elbow in bracket (if used) and place assembly on combustion-air pipe.

3. Install bracket as shown in Figure 46 and Figure 48.

NOTE: For applications using vent pipe option indicated by dashed lines in Figure 49 and Figure 50, rotate vent elbow 90° from position.

4. Disassemble loose pipe fittings. Clean and cement using same procedures as used for system piping. DO NOT

CEMENT POLYPROPYLENE FITTINGS.

(Direct Vent / Two-Pipe System ONLY)

When two or more furnaces are vented near each other, two vent terminations may be installed as shown in Figure 46 and

Figure48, but next vent termination, or pair of vent terminations, must be at least 36-in. (914 mm) away from first two terminations. It is important that vent terminations be made

as shown in Figure 46 and Figure 48 to avoid recirculation of gases.

Inducer Outlet Restrictor (PSC models only)

To improve efficiency and operation of 40,000 BTUH input models on very short vent systems, an inducer outlet restrictor

is required to be installed on the outlet of the inducer assembly. The outlet restrictor is shipped in the loose parts bag.

To determine if the outlet restrictor is required, see Table 14 or Table 16.

NOTE: Failure to use an outlet choke when required may result in flame disturbance or flame sense lockout.

To install the outlet restrictor:

1. Remove the vent elbow from the inducer outlet

2. Align the lock tabs on the outlet restrictor with the slots on inside outlet of the inducer assembly.

3. Snap the outlet restrictor in place.

4. Re-install the vent elbow

5. Torque vent elbow clamp 15 Ib-in.

440 01 4001 04 Specifications subject to change without notice. 51

Figure 58 1Crawl Space Vent Termination

Ventilated Combustion _ T_

/ Air intake pipe _ I I

Pipe hangar

Ventilated Combustion Air 12" (305 mm)

intake termination in crawl

space

'_" (76 mm)

Figure 59 l Attic Vent Termination

Vent throuhgb__._

roof flashing

CRAWL SPACE

Ventilated Combustion

- Air intake pipe

L11F016A

--f

ATTIC

52 Specifications subject to change without notice. 440 01 4001 04

L11F016B

Figure 60

[] VEHTTERMINAL \\\X _/_ AIRSUPPLYINLET

NOTE: The following is based upon National codes for gas appliances, and is provided as a reference. Refer to Local codes which may supersede these standards and/or recommendations.

Item Clearance Description

A Clearanceabove grade,veranda, porch,deck,balcony or

Clearanceto a window or door that maybe opened and</= 50,000 Btuh( 15 kW),

C Clearanceto a permanentlyclosedwindow

Verticalclearancetoa ventilated soffitlocated abovethe

D terminalwithin a horizontal distanceof 2 feet (61 cm)from

E Clearancetoan unventilatedsoffit F Clearanceto anoutsidecorner

G Clearancetoan inside corner

Clearanceto eachsideofthe centerlineextendedabove

electrical meteror gas serviceregulator assembly

I Clearanceto service regulatorventoutlet

Clearanceto non mechanicalair supplyinlet to buildingor

J and</= 100,000 Btuh (30 kW), and</= 50,000 Btuh(15 kW),

K 6 ft. (1.8 M) 3ft. (.9 M)

L Clearanceunder averanda,porch, deck,or balcony Permittedonly if veranda, porch,deck, or balconyis fully openon a

M belowvent terminalofthe furnaceto a dryeror water heater 12 in. (305 ram) 12in. (305ram)

N (dryer vent,spaexhaust, etc.) 3 ft. (.9 M) 3 ft. (.9 M) 0 Clearancefrom a plumbingvent stack 3 ft. (.9 M) 3 ft. (.9 M)

> greaterthan, > greater thanor equalto, < lessthan, < less thanor equalto

thecombustionair inlet to anyother appliance

Clearanceto eachside ofthe centerline extendedaboveor

vent, orotherappliance's directvent intakeor exhaust

Clearanceabovepaved sidewalkor paveddrivewaylocated Vent shallnot terminateabove a sidewalk orpaved drivewaythat is

anticipatedsnowlevel 12 in. (305 ram)

12 in. (305mm) for appliances>10,000Btuh (3 kW)

36 in. (914mm) for appliances>100,000Btuh (30 kW)

Forclearancesnot specifiedin ANSI Z223.1/NFPA54 or CAN/CSAB149.1,clearancesshallbe in accordancewithlocal

the centerlineofthe terminal

36 in. (914mm) for appliances>100,000Btuh (30 kW) 12in.(305 ram)for appliances>50,000Btuh (15kW)

Clearanceto a mechanicalair supply inlet

Inletair clearanceto a moistureexhaustduct

on public property locatedbetweentwo singlefamily dwellingsand servesboth Manufacturer'sRecommendation:See Notes3-8.

CanadianInstallations {1)

(perCAN/CSA B149.1)

12 in. (305 ram)

18 in. (457ram)aboveroof surface.

and</=100,000Btuh ( 30kW),

installationcodesand the requirements of the gas supplierandthe manufacturer'sinstallationinstructions.

3 ft. (.9 M)within15ft. (4.6 M) 3 ft. (.9 M) within 15 ft. (4.6 M)

abovethe meter/regulatorassembly, abovethe meter/regulatorassembly.

3ft. (.9 M) See Note4.

12 in. (305mm) for appliances >10,000Btuh(3 kW) 9 in. (9 ram)for appliances>10,000 Btuh (3kW)

12 in. (305mm). See Note4.

minimumof two sides beneaththe floor. Manufacturer'sRecommendation:See Notes3-8.

7 ft. (2.1 M) See Note4.

dwellings.

AREAWHERE TERMINAL IS NOT PERMITED

Manufacturer'sRecommendation:SeeNotes3-8.

U.S. Installations Iz)

(perANSI Z223.1/NFPA54)

9in. (229 mm)for appliances >10,000Btuh (3 kW)

12 in. (305ram)for appliances>50,000 Btuh (15kW)

Notes:

Inaccordancewiththe currentCAN/CSAB149,1,NaturalGas andPropaneInstallationCode,

Inaccordancewiththe currentANSIZ223,1/NFPA54, NationalFuelGas Code

NOTE:Thistable is based uponNationalcodesfor gasappliances,andareprovidedas areference. Referto Loca/codes whichmaysupersede thesestandardsand/orrecommendations.

4. ForclearancesnotspecifiedinANSI Z223,1/NFPA54 orCAN/CSAB 149,1,clearancesshallbe in accordancewith localinstallationcodesandtherequirementsofthe gassupplierandthe manufacturer'sinstallationinstructions,

5. Whenlocatingventterminations,considerationmustbe giventoprevailingwinds,location,and otherconditionswhichmaycauserecirculationofthecombustionproducts ofadjacentvents,Recirculationcancause poorcombustion,inletcondensateproblems, andacceleratedcorrosionofthe heatexchangers.

6. Designand positionventoutletsto avoidice build-uponand moisturedamageto surroundingsurfaces,

7. The ventfor thisapplianceshallnot terminate:

a, Nearsoffitvents ofcrawl spaceventsor otherareas wherecondensateor vaporcould create a nuisanceor hazardor properlydamage;or

b, Where condensatevaporcouldcause damageor couldbe detrimentalto the operationof regulators,reliefvalves,or otherequipment,

8. Avoidventingunderadeck or largeoverhang,Recirculationcouldoccurand causeperformanceor systemproblems.Ice build-upmayoccur.

25-24-65-2

440 O1 4OO1 04 Specifications subject to change without notice. 53

Figure 61 1Other than Direct Vent Clearance - Ventilated Combustion Air Option

D VENT TERMINAL qXi AIR SUPPLY INLET E_ AREA WHERE TERMINAL ISNOT PERMITED 25-24-55-2

NOTE:The followingis based upon National codesfor gas appliances,and is provided as areference. Refer to Local codeswhichmay supersedethesestandardsand/orrecommendations.

Item

Clearanceabove grade, veranda,porch, deck,balconyor

E F

M below ventterminal of the furnaceto adryer or water heater 12in. (305ram) 12in. (305ram)

N (dryervent, spa exhaust,etc.) 3 ft. (.9 M) 3ft. (.9 M) 0 Clearancefrom a plumbingventstack 3 ft. (.9 M) 3 ft. (.9 M)

p Clearanceabovepavedsidewalk orpaved drivewaylocated Ventshall notterminateabove asidewalk or paveddriveway

Clearanceto awindow or doorthat maybe opened 1ft (.3M) abovethe opening.

Verticalclearanceto aventilatedsoffit locatedabovethe

terminal withina horizontaldistanceof 2feet (61cm) from

Clearanceto eachside ofthe centerlineextendedabove

electricalmeteror gasservice regulatorassembly

Clearanceto non mechanical air supplyinlet to buildingor

the combustionair inlet to any otherappliance

Clearanceunder a veranda,porch,deck,or balcony Permittedonlyif veranda,porch, deck,or balconyisfully open

Clearanceto eachsideof the centedineextendedabove or

vent,or otherappliance'sdirect vent intake or exhaust

ClearanceDescription

anticipatedsnowlevel 12 in. (305 ram)

12 in. (305ram)for appliances>10,000 Btuh (3kW)

36 in. (914ram)for appliances>100,000Btuh(30 kW)

Clearanceto apermanently closedwindow

thecentedine ofthe terminal

Clearanceto anunventilatedsoffit

Clearanceto anoutsidecorner

Clearanceto aninsidecorner

Clearanceto serviceregulatorvent outlet

Clearanceto a mechanicalair supplyinlet

Inletair clearancetoa moistureexhaustduct

on publicproperty that is locatedbetweentwo single-familydwellingsand serves 7ft. (2.1M)

Forclearancesnot specifiedin ANSI Z223.1/NFPA54 or CAN/CSAB149.1,clearancesshall be in accordancewithlocal

12 in. (305ram)for appliances>10,000Btuh(3 kW) 4ft. (1.2M)belowor tothe side ofthe opening,

36 in. (914ram)for appliances>100,000Btuh(30 kW) Manufacturer'sRecommendation:SeeNote 8

> greaterthan,> greaterthanorequalto, < lessthan,< lessthanorequalto

Notes:

In accordancewith thecurrentCAN/CSAB149.1,NaturalGas andPropaneInstallationCode.

In accordancewith thecurrentANSI Z223.1/NFPA54, NationalFuel GasCode

NOTE:Thistable is basedupon Nationalcodesforgas appliances,andare providedas a reference. Referto Loca/ codeswhich may supersedethese standardsand/orrecommendations.

4. Forclearancesnotspecifiedin ANSIZ223.1/NFPA54 orCAN/CSAB 149.1,clearancesshallbein accordancewithlocalinstallationcodesand therequirementsofthe gas supplierand themanufacturer'sinstallationinstructions.

5. Whenlocatingventterminations,considerationmustbegivento prevailingwinds,location,andotherconditionswhich maycauserecirculationofthe combustionproducts of adjacentvents.Recirculationcancause poorcombustion,inletcondensationproblems,and/oracceleratedcorrosionof the heatexchangers.

6. Designandpositionvent outletsto avoidicebuild-up onandmoisturedamageto surroundingsurfaces.

7. Thevent forthis applianceshallnot terminate:

a. Nearsoffitvents of crawlspace ventsor otherareaswherecondensateor vaporcould createa nuisanceor hazardor propertydamage;or b. Where condensatevaporcouldcausedamageor could bedetrimentalto the operationof regulators,reliefvalves,or otherequipment.

8. These Nationalstandardsapplyto all non-direct-ventgasappliances.ContactLocalcodeofficialsfor additionalrequirementsand!orexclusions.

CanadianInstallations(1

(per CAN/CSAB149.1)

12in. (305ram)

18 in. (457ram)above roofsurface.

and</=100,000Btuh ( 30 kW),

installationcodesand the requirements of the gas supplierandthe manufacturer'sinstallationinstructions.

Manufacturer'sRecommendation:SeeNotes3-8.

3 ft. (.9 M)within15ft. (4.6 M) 3 ft. (.9 M) within15 ft. (4.6 M)

abovethe meter/regulatorassembly, abovethe meter/regulatorassembly.

3ft. (.9 M) See Note4.

and</= 100,000 Btuh (30 kW), 1ft (.3M)abovethe opening.

6 ft. (1.8 M) 3ft. (.9 M)

12in. (305ram). See Note4.

on a minimumoftwo sidesbeneaththefloor. Manufacturer'sRecommendation:SeeNotes 3-8.

7ft. (2.1 M).

bothdwellings.

4ft. (1.2M)below or to the side of the opening,

Manufacturer'sRecommendation:SeeNote 8.

U.S. Installationst2}

(perANSI Z223.1/NFPA54)

54 Specifications subject to change without notice. 440 O1 4OO1 04

Table 14

Altitude

FT(M)

0 to 2000 80,000 (21.3) 175 235 (71.6) 265 (80.8) (0 to 610) 100,000 25 (7.6) 110 235 (71.6) 265 (80.8)

2001 to 3000 80,000 64 (19.5) 165 222 (67.7) 249 (75.9)

(610 to 914) 100,000 22 (6.7) 104 223 (68.0) 250 (76.2)

3001 to 4000 80,000 59 (18.0) 155 (47.2) 210 (64.0) 232 (70.7) (914 to 1219) 100,000 19 (5.8) 98 (29.9) 211 (84.3) 236 (71.9)

4001 to 4500 80,000 56 (17.1) 150 (45.7) 202 (61.6) 224 (68.3)

(1219 to 1370) 100,000 17 (5.2) 94 (28.7) 205 (62.5) 229 (69.8)

See notes at end of Venting Tables See Table 16 for altitudes over 4500 ft (1370m).

(F/G)9MVT, (F/G)9MXT, (F/G)9MXE - MAXIMUM EQUIVALENT VENT LENTH - Feet (Meters)

Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations

Use Table 15 - DEDUCTIONS FROM MEVL to determine allowable vent len,qth for each application.

DIRECT VENT (2-PIPE) AND NON-DIRECT VENT (1-PIPE)

Unit Size Vent Pipe Diameter (in.)

BTU/Hr

40,000 3 (64.0) 250

60,000 I (41.1) 235 265 (80.8)

120,000 15 100 (30.5) 250 (76.2)

140,0004 10 90 (27.4) 210 (64.0)

40,000 I 45 (13.7) I 198 (60.4) 232 60,000 I 27 (8.2) 1127 (38.7) 222 250 (76.2)

120,000 11 93 (28.3) 237 (72.2)

140,0004 80 (24.4) 185 (56.4)

40,000 I 39 (11.9) 1 184 (56.1) 214 (65.2) 60,000 I 23 (7.0) I 119 (36.3) 210 (64.0) 235 (71.6)

120,000 8 (2.4) 86 (26.2) 224 (68.3)

140,0004 79 (24.1) 158 (48.2)

40,000 I 36 (11.0) 1 177 (53.9) 205 (62.5) 60,000 I 21 (6.4) 1 115 (35.1) 204 (62.2) 228 (69.5)

120,000 83 (25.3) 217 (66.1)

140,0004 69 (21.0) 146 (44.5)

1-1/2 50 (15.2) 210 30 (9.1) I 135

2-1/2

(76.2) (71.6)

(53.3) (33.5)

(4.6) (3.0)

(70.7) (67.7)

(50.3) (31.7)

(3.4)

Table 15 DEDUCTIONS FROM MAXIMUM EQUIVALENT VENT LENGTH - Feet (Meters)

Mitered 90-0Elbow 8 (2.4) 8 (2.4) 8 (2.4) 8 (2.4) 8 (2.4)

Medium Radius 90-0Elbow 5 (1.5) 5 (1.5) 5 (1.5) 5 (1.5) 5 (1.5)

Long Radius 90-0Elbow 3 (0.9) 3 (0.9) 3 (0.9) 3 (0.9) 3 (0.9)

Mitered 45-0Elbow 4 (1.2) 4 (1.2) 4 (1.2) 4 (1.2) 4 (1.2)

Medium Radius 45-0Elbow 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) 2.5 (0.8)

Long Radius 45 -0Elbow 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) 1.5 (0.5)

Tee 16 (4.9) 16 (4.9) 16 (4.9) 16 (4.9) 16 (4.9)

Concentric Vent Termination 0 (0.0) 0 (0.0)

Standard Vent Termination 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)

* Note: 3- and 4-in. vent pipe systems require long radius elbows.

Figure 62 _Elbows Configurations Figure 63

Vent Terminal Configurations

LONG

MEDIUM MITERED

L11F082

L11F083

L11F084

Venting System Length Calculations

The Total Equivalent Vent Length for EACH combustion air or vent pipe equals the length of the venting system, plus the equivalent

length of elbows used in the venting system from Table 15. Standard vent terminations or factory accessory concentric vent terminations count for zero deduction. See vent system manufacturer's data for equivalent lengths of flexible vent pipe or other termination systems. DO NOT ASSUME

that one foot of flexible vent pipe equals one foot of straight PVC/ABS DWV vent pipe. Compare the Total Equivalent Vent Length to the Maximum Equivalent Vent Lengths in Table 14 and Table 16.

440 01 4001 04 Specifications subject to change without notice. 55

Example 1

A direct-vent 60,000 BTUH furnace installed at 2100 ft. (640M). Venting system includes FOR EACH PIPE 100 feet (30 M) of vent pipe, 95 feet (28 M) of combustion air inlet pipe, (3) 90°-long-radius elbows, (2) 450-long-radius elbows, and a factory accessory concentric vent kit.

Can this application use 2-in. (50 mm ND) PVC/ABS DWV vent piping?

Measure the required linear length of air inlet

and vent pipe; insert the longest of the two here Add equiv length of (3) 900-long-radius elbows

(use the highest number of elbows for either the 3 x (0.9 M)

vent or inlet pipe) Add equiv length of (2) 450-long-radius elbows

(use the highest number of elbows for either the 2 x (0.5 M)

vent or inlet pipe)

3ff

1.5ft

Add equiv length of factory concentric vent term Add correction for flexible vent pipe, if any

Total Equivalent Vent Length (TEVL)

100 ft.

(30 M)

9ft.

(2.7 M)

3ft.

(0.9 M)

Oft. Oft.

112 ft. (34 M)

Use length of the longer of the vent

or air inlet piping system

From Table 15

From Vent Manufacturer's instructions; zero for PVC/ABS DWV

Add all of the above lines

Maximum Equivalent Vent Length (MEVL) Is TEVL less than MEVL?

127 ft.

(38.7 M)

YES

For 2" pipe from Table 14

Therefore, 2" pipe MAY be used

Example 2

A direct-vent 60,000 BTUH furnace installed at 2100 ft. (640M). Venting system includes FOR EACH PIPE 100 feet (30 M) of vent pipe, 95 feet (28 M) of combustion air inlet pipe, (3) 900-long-radius elbows, and a polypropylene concentric vent kit. Also includes 20

feet (6.1 M) of flexible polypropylene vent pipe, included within the 100 feet (30 M) of vent pipe. Assume that one meter of flexible 60mm or 80mm polypropylene pipe equals 1.8 meters of PVC/ABS pipe. VERIFY FROM VENT

MANUFACTURER'S INSTRUCTIONS. Can this application use 60mm (o.d.) polypropylene vent piping? If not, what size piping can be used?

Measure the required linear length of air inlet and

vent pipe; insert the longest of the two here Add equiv length of (3) 900-long-radius elbows

(use the highest number of elbows for either the

vent or inlet pipe) Add equiv length of (2) 450-long-radius elbows

(use the highest number of elbows for either the

vent or inlet pipe) Add equiv length of factory concentric vent term

Add correction for flexible vent pipe, if any

Total Equivalent Vent Length (TEVL)

3 x

0 x

9 M x 3.3 ft/M

1.8 x

3ft. 9ft.

(0.9 M) (2.7 M)

20 ft.

(6.1 M)

100 ft.

(30 M)

Oft.

(0 M) 30 ft.

(9 M)

36 ft.

(11 M) 175 ft.

(53 M)

Use length of the longer of the vent or air inlet piping system

From Vent Manufacturer's instructions

Add all of the above lines

Maximum Equivalent Vent Length (MEVL)

Is TEVL less than MEVL?

Maximum Equivalent Vent Length (MEVL) Is TEVL less than MEVL?

127 ft.

(38.7 M)

250 ft.

(76.2 M)

YES

For 2" pipe from Table 14 Therefore, 60ram pipe may NOT be

used; try 80ram

For 3" pipe from Table 14

Therefore, 80ram pipe MAY be used

56 Specifications subject to change without notice. 440 01 4001 04

Table 16

Altitude

FT (i)

4501 to 5000

(1370 to 1524)

5001 to 6000

(1524 to 1829)

(F/G)9MVT, (F/G)9MXT, (F/G)9MXE - MAXIMUM EQUIVALENT VENT LENTH - Feet (Meters)

Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations.

Use DEDUCTIONS FROM MEVL - Table 15 to determine allowable vent length for each application.

Note: Vent sizing for Canadian installations over 4500 ft. (1370 M) above sea level are subject to acceptance

by the local authorities havin,q jurisdiction.

Unit Size DIRECT VENT (2-PIPE) AND NON-DIRECT VENT (1-PIPE)

Vent Pipe Diameter

I-1/2 2 2-1/2

40,000 33 (10.1) 171 1(52.1) 196 (59.7)

60000 I 20 (6.1) I 111 I (33.8) I 198 (60.4) 221 (67.4)

80,000 54 (16.5) 146 (44.5) 195 (59.4) 216 (65.8)

100,000 16 (4.9) 91 (27.7) 200 (61.0) 222 (67.7) 120,000 80 (24.4) 211 (64.3)

140,0004 60 (18.3) 134 (40.8)

40,000 I 27 (8.2) 1158 I (48.2) I 179 (54.6) 60,000 I 16 (4.9) I 103 I (31.4) I 186 (56.7) 207 (63.1) 80,000 49 (14.9) 137 (41.8) 183 (55.8) 200 (61.0)

100,000 12 (3.7) 85 (25.9) 188 (57.3) 208 (63.4) 120,000 74 (22.6) 199 (60.7)

140,0004 50 (15.2) 109 (33.2)

40,000 I 21 (6.4) I 145 I (44.2) I 162 (49.4)

60,000 I 13 (4.0) 1 96 1(29.3) 1174 (53.0) 194 (59.1)

6001 to 7000

(1829 to 2134)

7001 to 8000

(2134 to 2438)

8001to 9000

(2438to 2743)

80,000 44 I (13.4) I 120 (36.6) 171 (52.1) 185 (56.4)

100,000 10 (3.0) I 79 (24.1) 178 (54.3) 195 (59.4) 120,000 68 (20.7) 187 (57.0)

140,0004 41 (12.5) 87 (26.5)

40,000 I 15 (4.6) I 133 I (40.5) I 146 (44.5) 60,000 I 10 (3.0) I 89 I (27.1) I 163 (49.7) 181 (55.2) 80,000 40 I (12.2) I 120 (36.6) 159 (48.5) 170 (51.8)

100,000 73 (22.3) 167 (50.9) 182 (55.5) 120,000 62 (18.9) 175 (53.3)

140,0004 32 (9.8) 63 (19.2)

40,000 I 10 (3.0) I 121 I (36.9) I 130 (39.6) 60,000 I 7 (2.1) I 82 I (25.0) I 152 (46.3) 168 (51.2)

80,000 35 1(lO.7) 1 111 (33.8) 148 (45.1) 156 (47.5)

100,000 67 (20.4) 157 (47.9) 170 (51.8) 120,000 56 (17.1 ) 164 (50.0)

140,0004 23 (7.0) 42 (12.8)

40,000 I 5 (1.5) I 110 I (33.5) I 115 (35.1)

60,000 76 I (23.2) I 142 (43.3) 156 (47.5)

9001 to 10,000

(2743 to 3048)

* Not all families have

NOTES:

1. Use only the vent pipe sizes shown for each furnace. It is NOT necessary to choose the smallest diameter pipe possible for venting.

2. NA = Not allowed. Pressure switch will not close, or flame disturbance may result.

3. Total equivalent vent lengths under 10 ft. for 40k BTUH furnaces from 0 to 2000 ft (0 to 610m) above sea level require use of an inducer outlet choke. Failure to use an outlet choke may result in flame disturbance or flame sense lock-out

4. Not all furnace families include 140,000 BTUH input models.

5. Vent sizing for Canadian installation over 4500 ft. (1370 m) above sea level are subject to acceptance by local authorities having jurisdiction.

6. Size both the combustion air and vent pipe independently, then use the larger size for both pipes.

7. Assume two 45° degree elbows equal one 90° degree elbow. Wide radius elbows are desirable and may be required in some cases.

8. Elbow and pipe sections within the furnace casing and at the vent termination should not be included in vent length or elbow count.

9. The minimum pipe length is 5 (1.5) linear feet (meters) for all applications.

10. Use 3-in (76 mm) diameter vent termination kit for installations requiring a 4-in (102 mm) diameter pipe.

80,000 31 (9.4) I 103 (31.4) 137 (41.8) 142 (43.3)

100,000 62 (18.9) 147 (44.8) 157 (47.9) 120,000 51 (15.5) 153 (46.6)

140,0004 16 (4.9) 20 (6.1)

hese models

440 01 4001 04 Specifications subject to change without notice. 57

Table 17

(F/G)9MXE

Furnace

Input

40,000 Ft.

Winter

Design

Temp °F (°C)

20 (-10)

0 (-20)

-20 (-30)

-40 (-40)

Pipe Length

Maximum Allowable Exposed Vent Lengths in Unconditioned Space - Single Stage

Maximum Length of Uninsulated and Insulated Vent Pipe-Ft (M)

in Ft. &M

Ft,

Ft.

No Insulation

Pipe Diameter - in. (mm)

1 1/2 2 2 1/2 3 4

(38) (51) (64) (76)(102)

48 42 42 N/A N/A

14.6 12.8 12.8 N/A N/A 25 19 17 N/A N/A

7.6 5.8 5.2 N/A N/A 14 7 5 N/A N/A

4.3 2.1 1.5 N/A N/A

7 0 0 N/A N/A

2.1 0.0 0.0 N/A N/A

3/8-in. (9.5 mm) Insulation

Pipe Diameter - in. (mm)

1 1/2 2 2 1/2 3 4

(38) (51) (64) (76) (102)

50 122 111 N/A N/A

15.2 37.2 33.8 N/A N/A 50 75 66 N/A N/A

15.2 22.9 20.1 N/A N/A 50 52 45 N/A N/A

15.2 15.8 13.7 N/A N/A 50 38 31 N/A N/A

15.2 11.6 9.4 N/A N/A

1/2-in. (12.7 mm) Insulation

Pipe Diameter - in. (mm)

1 1/2 2 2 1/2 3 4

(38) (51) (64) (76) (102)

50 144 130 N/A N/A

15.2 43.9 39.6 N/A N/A 50 90 79 N/A N/A

15.2 27.4 24.1 N/A N/A 50 64 55 N/A N/A

15.2 19.5 16.8 N/A N/A 50 48 40 N/A N/A

15.2 14.6 12.2 N/A N/A

20(-10) M 9.1 18.6 18.6 16.5 N/A 9.1 41.1 49.7 43.3 N/A 9.1 41.1 58.2 50.6 N/A

0(-20) M 9.1 9.4 9.1 7.0 N/A 9.1 34.4 30.5 25.9 N/A 9.1 41.1 36.6 30.8 N/A

60,000 Ft. 24 17 15 7 N/A 30 81 70 57 N/A 30 98 85 70 N/A

-20 (-30) M 7.3 5.2 4.6 2.1 N/A 9.1 24.7 21.3 17.4 N/A 9.1 29.9 25.9 21.3 N/A

-40 (-40) M 4.6 2.4 1.5 0.0 N/A 9.1 18.6 15.8 12.2 N/A 9.1 22.9 19.5 15.5 N/A

20 (-10) M 6.1 21.3 23.8 21.3 18.3 6.1 21.3 53.3 55.8 46.9 6.1 21.3 53.3 65.5 55.2

0 (-20) M 6.1 12.8 12.5 10.1 6.4 6.1 21.3 40.2 33.8 27.1 6.1 21.3 47.9 40.5 32.6

80,000 Ft. 20 25 23 14 1 20 70 94 77 57 20 70 113 94 71

-20 (-30) M 6.1 7.6 7.0 4.3 0.3 6.1 21.3 28.7 23.5 17.4 6.1 21.3 34.4 28.7 21.6

-40(-40) M 6.1 4.3 3.7 0.9 0.0 6.1 21.3 21.6 17.1 11.6 6.1 21.3 26.2 21.3 15.2

20 (-10) M N/A 7.6 30.2 27.1 23.8 N/A 7.6 33.5 71.0 80.8 N/A 7.6 33.5 71.6 69.8

0(-20) M N/A 7.6 16.8 14.0 10.1 N/A 7.6 33.5 44.2 35.7 N/A 7.6 33.5 52.7 42.7

100,000 Ft. N/A 25 34 24 11 N/A 25 110 103 79 N/A 25 110 124 97

-20 (-30) M N/A 7.6 10.4 7.3 3.4 N/A 7.6 33.5 31.4 24.1 N/A 7.6 33.5 37.8 29.6

-40 (-40) M N/A 7.0 6.1 3.4 0.0 N/A 7.6 29.0 23.5 16.8 N/A 7.6 33.5 28.7 21.3

20 (-10) M N/A N/A 4.6 30.2 26.2 N/A N/A 4.6 30.5 66.8 N/A N/A 4.6 30.5 76.2

0 (-20) M N/A N/A 4.6 15.5 11.6 N/A N/A 4.6 30.5 39.6 N/A N/A 4.6 30.5 47.5

120,000 Ft. N/A N/A 15 28 14 N/A N/A 15 100 88 N/A N/A 15 100 108

-20 (-30) M N/A N/A 4.6 8.5 4.3 N/A N/A 4.6 30.5 26.8 N/A N/A 4.6 30.5 32.9

-40 (-40) M N/A N/A 4.6 4.3 0.0 N/A N/A 4.6 25.9 18.9 N/A N/A 4.6 30.5 24.1

Ft. 30 61 61 54 N/A 30 135 163 142 N/A 30 135 191 166 N/A

Ft. 30 31 30 23 N/A 30 113 100 85 N/A 30 135 120 101 N/A

Ft. 15 8 5 0 N/A 30 61 52 40 N/A 30 75 64 51 N/A

Ft. 20 70 78 70 60 20 70 175 183 154 20 70 175 215 181

Ft. 20 42 41 33 21 20 70 132 111 89 20 70 157 133 107

Ft. 20 14 12 3 0 20 70 71 56 38 20 70 86 70 50

Ft. N/A 25 99 89 78 N/A 25 110 233 265 N/A 25 110 235 229

Ft. N/A 25 55 46 33 N/A 25 110 145 117 N/A 25 110 173 140

Ft. N/A 23 20 11 0 N/A 25 95 77 55 N/A 25 110 94 70

Ft. N/A N/A 15 99 86 N/A N/A 15 100 219 N/A N/A 15 100 250

Ft. N/A N/A 15 51 38 N/A N/A 15 100 130 N/A N/A 15 100 156

Ft. N/A N/A 15 14 0 N/A N/A 15 85 62 N/A N/A 15 100 79

20 (-10) M N/A N/A 3.0 27.4 30.2 N/A N/A 3.0 27.4 64.0 N/A N/A 3.0 27.4 64.0

0 (-20) M N/A N/A 3.0 18.6 14.3 N/A N/A 3.0 27.4 46.6 N/A N/A 3.0 27.4 55.8

140,000 Ft. N/A N/A 10 35 21 N/A N/A 10 90 104 N/A N/A 10 90 128

-20 (-30) M N/A N/A 3.0 10.7 6.4 N/A N/A 3.0 27.4 31.7 N/A N/A 3.0 27.4 39.0

-40 (-40) M N/A N/A 3.0 6.1 NA N/A N/A 3.0 27.4 22.9 N/A N/A 3.0 27.4 28.7

58 Specifications subject to change without notice. 440 01 4001 04

Ft. N/A N/A 10 90 99 N/A N/A 10 90 210 N/A N/A 10 90 210

Ft. N/A N/A 10 61 47 N/A N/A 10 90 153 N/A N/A 10 90 183

Ft. N/A N/A 10 20 NA N/A N/A 10 90 75 N/A N/A 10 90 94

Maximum Allowable Exposed Vent Lengths in Unconditioned Space - Two-Stage

Table 18 Maximum Length of Uninsulated and Insulated Vent Pipe-Ft (M)

(F/G)9MVT

(F/G)eMXT

High Heat

Input

40,000 Ft.

Winter

Design

Temp °F (°C)

20 (-10)

0 (-20)

-20 (-30)

-40 (-40)

Pipe Length

in Ft. &M

Ft,

Ft.

No Insulation

Pipe Diameter - in. (mm)

1.5 2.0 2.5 3.0 4.0

(38) (51) (64) (76) (102)

40.0 35.0 35.0 N/A N/A

12.2 10.7 10.7 N/A N/A

19.0 14.0 12.0 N/A N/A

5.8 4.3 3.7 N/A N/A

9.0 3.0 1.0 N/A N/A

2.7 0.9 0.3 N/A N/A

3.0 0.0 0.0 N/A N/A

0.9 0.0 0.0 N/A N/A

3/8-in. (9.5 mm)

Pipe Diameter - in. (mm)

1.5 2.0 2.5 3.0 4.0

(38) (51) (64) (76) (102)

50.0 104.0 94.0 N/A N/A

15.2 31.7 28.7 N/A N/A

50.0 61.0 54.0 N/A N/A

15.2 18.6 16.5 N/A N/A

50.0 41.0 35.0 N/A N/A

15.2 12.5 10.7 N/A N/A

39.0 29.0 23.0 N/A N/A

11.9 8.8 7.0 N/A N/A

1/2-in. (12.7 mm)

Pipe Diameter - in. (mm)

1.5 2.0 2.5 3.0 4.0

(38) (51) (64) (76) (102)

50.0 122.0 110.0 N/A N/A

15.2 37.2 33.5 N/A N/A

50.0 74.0 65.0 N/A N/A

15.2 22.6 19.8 N/A N/A

50.0 51.0 43.0 N/A N/A

15.2 15.5 13.1 N/A N/A

48.0 37.0 30.0 N/A N/A

14.6 11.3 9.1 N/A N/A

20(-10) M 9.1 15.5 15.5 13.7 N/A 9.1 41.1 42.1 36.6 N/A 9.1 41.1 49.4 43.0 N/A

0 (-20) M 9.1 7.3 7.0 4.9 N/A 9.1 28.3 25.0 21.0 N/A 9.1 33.8 29.9 25.3 N/A

60,000 Ft. 18.0 11.0 9.0 1.0 N/A 30.0 65.0 56.0 44.0 N/A 30.0 79.0 68.0 55.0 N/A

-20(-30) M 5.5 3.4 2.7 0.3 N/A 9.1 19.8 17.1 13.4 N/A 9.1 24.1 20.7 16.8 N/A

-40 (-40) M 3.0 0.9 0.0 0.0 N/A 9.1 14.6 12.2 8.8 N/A 9.1 18.0 15.2 11.6 N/A

20(-10) M 6.1 19.5 19.5 17.1 14.3 6.1 21.3 52.7 45.7 38.1 6.1 21.3 53.3 53.9 44.8

0 (-20) M 6.1 9.8 9.1 6.7 3.4 6.1 21.3 31.7 26.5 20.4 6.1 21.3 37.8 31.7 25.0

80,000 Ft. 20.0 17.0 14.0 6.0 0.0 20.0 70.0 71.0 57.0 40.0 20.0 70.0 86.0 71.0 52.0

-20(-30) M 6.1 5.2 4.3 1.8 0.0 6.1 21.3 21.6 17.4 12.2 6.1 21.3 26.2 21.6 15.8

-40 (-40) M 4.6 2.1 1.5 0.0 0.0 6.1 18.6 15.8 12.2 7.3 6.1 21.3 19.5 15.2 10.1

20 (-10) M N/A 7.6 24.1 21.3 18.0 N/A 7.6 33.5 56.7 47.2 N/A 7.6 33.5 66.8 55.5

0(-20) M N/A 7.6 12.2 9.4 5.8 N/A 7.6 33.5 33.2 26.2 N/A 7.6 33.5 39.9 31.7

100,000 Ft. N/A 23.0 21.0 13.0 0.0 N/A 25.0 91.0 74.0 54.0 N/A 25.0 110.0 90.0 68.0

-20 (-30) M N/A 7.0 6.4 4.0 0.0 N/A 7.6 27.7 22.6 16.5 N/A 7.6 33.5 27.4 20.7

-40 (-40) M N/A 4.0 3.0 0.3 0.0 N/A 7.6 20.7 16.2 10.7 N/A 7.6 25.3 20.1 14.0

20(-10) M N/A N/A 4.6 25.9 22.3 N/A N/A 4.6 30.5 57.9 N/A N/A 4.6 30.5 68.3

0(-20) M N/A N/A 4.6 12.5 8.8 N/A N/A 4.6 30.5 33.2 N/A N/A 4.6 30.5 39.9

120,000 Ft. N/A N/A 15.0 20.0 7.0 N/A N/A 15.0 94.0 71.0 N/A N/A 15.0 114.0 88.0

-20 (-30) M N/A N/A 4.6 6.1 2.1 N/A N/A 4.6 28.7 21.6 N/A N/A 4.6 34.7 26.8

-40 (-40) M N/A N/A 4.6 2.1 0.0 N/A N/A 4.6 21.0 14.6 N/A N/A 4.6 25.9 18.9

Ft. 30.0 51.0 51.0 45.0 N/A 30.0 135.0 138.0 120.0 N/A 30.0 135.0 162.0 14t.0 N/A

Ft. 30.0 24.0 23.0 16.0 N/A 30.0 93.0 82.0 69.0 N/A 30.0 111.0 98.0 83.0 N/A

Ft. 10.0 3.0 0.0 0.0 N/A 30.0 48.0 40.0 29.0 N/A 30.0 59.0 50.0 38.0 N/A

Ft. 20.0 64.0 64.0 56.0 47.0 20.0 70.0 173.0 150.0 125.0 20.0 70.0 175.0 177.0 147.0

Ft. 20.0 32.0 30.0 22.0 11.0 20.0 70.0 104.0 87.0 67.0 20.0 70.0 124.0 104.0 82.0

Ft. 15.0 7.0 5.0 0.0 0.0 20.0 61.0 52.0 40.0 24.0 20.0 70.0 64.0 50.0 33.0

Ft. N/A 25.0 79.0 70.0 59.0 N/A 25.0 110.0 186.0 155.0 N/A 25.0 110.0 219.0 182.0

Ft. N/A 25.0 40.0 31.0 19.0 N/A 25.0 110.0 109.0 86.0 N/A 25.0 110.0 131.0 104.0

Ft. N/A 13.0 10.0 1.0 0.0 N/A 25.0 68.0 53.0 35.0 N/A 25.0 83.0 66.0 46.0

Ft. N/A N/A 15.0 85.0 73.0 N/A N/A 15.0 100.0 190.0 N/A N/A 15.0 100.0 224.0

Ft. N/A N/A 15.0 41.0 29.0 N/A N/A 15.0 100.0 109.0 N/A N/A 15.0 100.0 131.0

Ft. N/A N/A 15.0 7.0 0.0 N/A N/A 15.0 69.0 48.0 N/A N/A 15.0 85.0 62.0

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Lewisburg, TN 37091 USA

440 01 4001 04 Specifications subject to change without notice. 59

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