Trane TUX2B060A9362A, TUX2B080A9422A, TUX2C100A9482A, TUX2D120A9602A, TDX2B060A9362A Installer's Manual

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Installer’s Guide

Upflow / Horizontal & Downflow / Horizontal, Gas-Fired, Direct Vent, 2-Stage Condensing Furnaces with Variable Speed Inducer

*UX2B060A9362A *UX2B080A9422A *UX2C100A9482A *UX2D120A9602A *DX2B060A9362A *DX2B080A9422A *DX2C100A9482A *DX2D120A9602A

*__First letter may be “A” or “T”

ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES

IMPORTANT — This Document is customer property and is to remain with this unit.

Please return to service information pack upon completion of work.

*UX2 *DX2

UPFLOW

UPFLOW / HORIZONTAL LEFT

DOWNFLOW

DOWNFLOW / HORIZONTAL RIGHT

A341624P03

Installer’s Guide

▲

SAFETY SECTION

The following safety practices and precautions must be followed during the installation, servicing, and operation of this furnace.

1. Use only with the 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 “Location and Clearances” (page 3), of these instructions.

3. Provide adequate combustion and ventilation air to the furnace space as specified in “Air for Combustion and Ventilation” (pages 7-8), of these instructions.

4. Combustion products must be discharged outdoors. Connect this furnace to an approved vent system only, as specified in the “Venting” section (pages 13-23), 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 “Gas Piping” (page 31), of these instructions.

6. Always install the 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 on the unit rating plate. Airflow with temperature rise for cfm versus static is shown in the Service Facts accompanying this furnace.

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 a duct(s) sealed to the furnace casing and terminating outside the space containing the furnace.

8. A gas-fired furnace for installation in a residential garage must be installed as specified in “Location and Clearances” section (page 3), of these instructions.

9. The furnace may be used for temporary heating of buildings or structures under construction only when the following conditions have been met:

a. The furnace venting system must be complete and

installed per manufacturer’s instructions.

b. The furnace is controlled only by a room thermostat

(no field jumpers).

c. The furnace return air duct must be complete and

sealed to the furnace and clean air filters are in place.

d. The furnace input rate and temperature rise must be

verified to be within nameplate marking.

e. 100% of the furnace combustion air requirement must

come from outside the structure.

f. The furnace return air temperature range is between

55 and 80 degrees Fahrenheit.

g. Clean the furnace, duct work, and components upon

substantial completion of the construction process, and verify furnace operating conditions including ignition, input rate, temperature rise and venting, according to the manufacturer’s instructions.

10. This product must be gas piped by a Licensed Plumber or Gas Fitter in the Commonwealth of Massachusetts.

CAUTION

To prevent shortening its service life, the furnace should not be used as a “Construction Heater” during the finishing phases of construction until the requirements listed in item 9, a-g of the safety section of this publication have been met. Condensate in the presence of chlorides and fluorides from paint, varnish, stains, adhesives, cleaning compounds, and cement create a corrosive condition which may cause rapid deterioration of the heat exchanger.

WARNING

CARBON MONOXIDE POISONING HAZARD

Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death.

The following steps shall be followed for each appliance connected to the venting system being placed into operation, while all other appliances connected to the venting system are not in operation:

1. Seal any unused openings in the venting system.

2. Inspect the venting system for proper size and horizontal pitch, as required in the National Fuel Gas Code, ANSI Z223.1/NFPA 54 or the CAN/CGA B149 Installation Codes and these instructions. Determine that there is no blockage or restriction, leakage, corrosion and other deficiencies which could cause an unsafe condition.

3. As far as practical, close all building doors and windows and all doors between the space in which the appliance(s) connected to the venting system are located and other deficiencies which could cause an unsafe condition.

4. Close fireplace dampers.

5. Turn on clothes dryers and any appliance not connected 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. 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 Z221.1/NFPA 54 and/or CAN/CGA B149 Installation Codes.

8. After it has been determined that each appliance connected to the venting system properly vents where tested as outlined above, return doors, windows, exhaust fans, fireplace dampers and any other gas-fired burning appliance to their previous conditions of use.

Safety signal words are used to designate a degree or level of seriousness associated with a particular hazard. The signal words for safety markings are DANGER, WARNING, and CAUTION.

a. DANGER indicates an imminently hazardous situation

which, if not avoided, will result in death or serious injury. This signal word is limited to the most extreme situations.

b. WARNING indicates a potentially hazardous situation

which, if not avoided, could result in death or serious injury.

c. CAUTION indicates a potentially hazardous situation

which, if not avoided, may result in minor or moderate

WARNING

FIRE OR EXPLOSION HAZARD

Failure to follow the safety warnings exactly could result in serious injury, death or property damage.

Improper servicing could result in dangerous operation, serious injury, death, or property damage.

Installer’s Guide

▲

GENERAL

The manufacturer assumes no responsibility for equipment installed in violation of any code or regulation.

It is recommended that Manual J of the Air Conditioning Contractors Association (ACCA) or A.R.I. 230 be followed in estimating heating requirements. When estimating heating requirements for installation at Altitudes above 2000 ft., remember the gas input must be reduced (See GAS INPUT ADJUSTMENT).

Material in this shipment has been inspected at the factory and released to the transportation agency without known damage. Inspect exterior of carton for evidence of rough handling in shipment. Unpack carefully after moving equipment to approximate location. If damage to contents is found, report the damage immediately to the delivering agency.

Codes and local utility requirements governing the installation of gas fired equipment, wiring, plumbing, and flue connections must be adhered to. In the absence of local codes, the installation must conform with latest edition of the National Fuel Gas Code ANSI Z223.1 • National Installation Code, CAN/CGA B149.1. The latest code may be obtained from the American Gas Association Laboratories, 400 N. Capitol St. NW, Washington D.C. 20001. 1-800-699-9277 or www.aga.org

These furnaces have been classified as CATEGORY IV furnaces in accordance with latest edition of ANSI Z21.47 standards • CAN/CGA 2.3. Category IV furnaces operate with positive vent static pressure and with a flue loss less than 17 percent. These conditions require special venting systems, which must be gas tight and water tight. These Category IV Direct Vent furnaces are approved for installation in Manufactured/Mobile housing when used with BAYMFGH001A.

LOCATION AND CLEARANCES

The location of the furnace is normally selected by the architect, the builder, or the installer. However, before the furnace is moved into place, be sure to consider the following requirements:

1. Is the location selected as near the chimney or vent and as centralized for heat distribution as practical?

2. Do all clearances between the furnace and enclosure equal or exceed the minimums stated in Clearance Table on the Outline Drawings.

3. Is there sufficient space for servicing the furnace and other equipment? A minimum of 24 inches front accessibility to the furnace must be provided. Any access door or panel must permit removal of the largest component.

4. Are there at least 3 inches of clearance between the furnace combustion air openings in the front panel and any closed panel or door provided?

5. Are the ventilation and combustion air openings large enough and will they remain unobstructed? If outside air is used, are the openings set above the highest snow accumulation level? (See the Air for Combustion and Ventilation section.)

6. Allow sufficient height in supply plenum above the furnace to provide for cooling coil installation, if the cooling coil is not installed at the time of this furnace installation.

7. A furnace shall be installed so electrical components are protected from water.

8. If the furnace is installed in a residential garage, it

must be installed so that the burners, and the ignition

Contents

Installation Instructions 3

General 3 Location and Clearances 3

Outline Drawings 4-5

Upflow Installation 6 Downflow Installations 6 Air For Combustion and Ventilation 7 Duct Connections 8 Return Air Filters 9 General Venting 13 Venting Materials 14 Vent Tables 16-22 Horizontal Venting Through Wall 18 Venting Through the Roof 20 Venting Routed Through a Masonry Chimney 20 Downward Venting 22 Condensate Drain Instructions 24

Field Wiring Diagrams 26-29

Electrical Connections 29 Gas Piping 31 Combustion and Input Check 31 High Altitude Derate 33

Start-up and Adjustment 34

Preliminary Inspections 34 Lighting Instructions 34 Sequence of Operation 34 Control and Safety Switch Adjustments 35

Abnormal Conditions 36

IFC Error Flash Codes 37

Fault Code Recovery 37

source are located not less than 18 inches above the floor and the furnace must be located or protected to avoid physical damage from vehicles.

IMPORTANT:

The furnace must be installed level. The only allowable variation would be slightly to the left and/or forward in upflow installations or slightly toward the front in horizontal installations. This is necessary for proper condensate drainage.

CAUTION

Do not install the furnace in a corrosive or contaminated atmosphere. Failure to follow this warning could result in early equipment failure.

WARNING

Do not install the furnace directly on carpeting, tile or other combustible material other than wood flooring. For vertical downflow application, subbase (BAYBASE205) must be used between the furnace and combustible flooring. When the downflow furnace is installed vertically with a cased coil, a subbase is not required.

18-CD19D8-18 3

4 18-CD19D8-18

Installer’s Guide

From Dwg. 21C341884 Rev. 1

*UX2 UPFLOW / HORIZONTAL OUTLINE DRAWING

(ALL DIMENSIONS ARE IN INCHES)

Model

(See Note 1 & 2)

DIM "A" DIM "B" DIM "C" DIM "D" DIM "E" DIM "F"

*UX2B060A9362A *UX2B080A9422A

17-1/2" 2-1/4" 16-1/4" 16" 7-1/2" 2"

*UX2C100A9482A 21" 2-1/2" 19-3/4" 19-1/2" 9" 3"

*UX2D120A9602A 24-1/2" 2-15/16" 23-1/4" 23" 10" 3"

* Prefix May Be "A" or "T" Notes:

1. *UX2D120A9602A Requires 3" Diameter Vent Pipe. *UX2C100A9482A Requires 2-1/2" or 3" Diameter Vent Pipe.

2. Diameter of Vent PIpe may be limited to 2-1/2" or 3" on some models at different altitudes. Refer to the Vent Length Table for proper application.

18-CD19D8-18 5

Installer’s Guide

From Dwg. 21C341885 Rev. 1

*DX2 DOWNFLOW / HORIZONTAL OUTLINE DRAWING

(ALL DIMENSIONS ARE IN INCHES)

Model

(See Note 1)

DIM "A" DIM "B" DIM "C" DIM "D"

*DX2B060A9362A *DX2B080A9422A

17-1/2" 2-1/4" 16-1/4" 16"

*DX2C100A9482A 21" 2-1/2" 19-3/4" 19-1/2"

*DX2D120A9602A 24-1/2" 2-15/16" 23-1/4" 23"

* Prefix May Be "A" or "T" Notes:

1. Diameter of Vent Pipe may be limited to 2-1/2" or 3" on some models at different altitudes. Refer to the Vent Length Table for proper application.

Installer’s Guide

▲

UPFLOW INSTALLATION

Standoffs and screws (See Figure 1) are included with the cased coils for attachment to the furnace. There are clearance alignment holes near the bottom of the coil wrapper. Drill screws are used to engage the furnace top flanges. The standoff is inserted into the cabinet alignment hole. The drill screws are inserted through the standoffs then screwed into the furnace flange. The coil is always placed downstream of the furnace airflow.

CASED

UPFLOW

FURNACE

COIL

STANDOFFS (4)

STANDOFFS

(BOTH SIDES)

SCREWS

(BOTH SIDES)

DOWNFLOW INSTALLATIONS

WARNING

Required floor opening: (DOWNFLOW)

See Figure 3 and Table 1

2345678901234567890123456789012123456789012345

FURNACE

2345678901234567890123456789012123456789012345

FRONT

2345678901234567890123456789012123456789012345

6 18-CD19D8-18

A (width)

B (depth)

DRILL SCREWS (4)

FOR VERTICAL

TABLE 1

CABINET

WIDTH

RETURN

DUCT WIDTH

14-1/2" 13-1/4" 13-5/8" 20-1/8" 12-5/8" 19-3/8" 17-1/2" 16-1/4" 16-5/8" 20-1/8" 15-5/8" 19-3/8"

21" 19-3/4" 20-1/8" 20-1/8" 19-1/8" 19-3/8"

24-1/2" 23-1/4" 23-5/8" 20-1/8" 22-5/8" 19-3/8"

FLOOR OPENING PLENUM OPENING

"A" "B" "C" "D"

HORIZONTAL INSTALLATION

The coil and furnace must be fully supported when used in the horizontal position. It is always recommended that an auxiliary drain pan be installed under a horizontally installed evaporator coil or 90% gas furnace. Connect the auxiliary drain line to a separate drain line (no trap is needed in this line).

Three brackets (with screws) are included with downflow furnaces for installation to stabilize and secure the furnace and TXC cased coil in the horizontal position. See Figure 4.

CASED COIL CONNECTION

BRACKET FOR DOWNFLOW

FURNACE IN HORIZONTAL

DOWNFLOW ONLY

IMPORTANT: The 2/4TXC cased coil must be placed downstream of the furnace. In horizontal installations, the apex of the coil may point either toward or away from the furnace. See the 2/4TXC coil Installer's Guide for more details.

The cased coil is secured to the furnace and both the furnace and the cased coil must be properly supported. The brackets mount using the rear screws on the coil case and use the screws provided to secure the bracket to the furnace. The remaining bracket is placed as close to center as possible (horizontally) between the coil case front and the furnace bottom channel (for downflow/horizontal furnace). Use four of the screws provided to secure the bracket. The upflow furnace, converted to horizontal, aligns and attaches the TXC coil as in Figure 1. However, the coil requires additional support.

The furnace may be installed in an attic or crawl space in the horizontal position by placing the furnace on the left side (as viewed from the front in the vertical position). The horizontal furnace installation in an attic should be on a service platform large enough to allow for proper clearances on all sides and service access to the front of the furnace (See Figure 5 & Clearance Tables, pages 4-5). Line contact is only permissible between lines formed by intersections of the top and two sides of the furnace casing and building joists, studs, or framing.

The furnace may be placed horizontally in a crawl space on a pad or other noncombustible material which will raise the unit for sufficient protection from moisture.

UPFLOW/ HORIZONTAL SHOWN WITH DIRECT VENT

50 CU. FT. OR MORE

UNCONFINED

The furnace must be supported at both ends and the middle when installed horizontally. The furnace must also be elevated approximately 4-6 inches to allow clearance for the condensate drain to exit the cabinet in the horizontal position.

The horizontal furnace may also be suspended from the joists using 3/8" all-thread rods with pieces of angle iron underneath the furnace to form a hanging rack at both ends and the midpoint. The rods need to be of sufficient length to allow for proper clearances from combustible materials. The angle iron needs to be at least 32" in length to allow for access to service panels.

AIR FOR COMBUSTION AND VENTILATION

If these furnaces are installed in a nondirect vent capacity then the adequate flow of combustion and ventilating air must not be obstructed from reaching the furnace. Air openings provided for combustion air must be kept free of obstructions which restrict the flow of air. Airflow restrictions affect the efficiency and safe operation of the furnace. Keep this in mind should you choose to remodel or change the area which contains your furnace. Furnaces must have a free flow of air for proper performance.

Provisions for combustion and ventilation air shall be made in accordance with latest edition of Section 5.3, Air for Combustion and Ventilation, of the National Fuel Gas Code, ANSI Z223.1 — CAN/CGA B149.1 or applicable provisions of the local building codes. Special conditions created by mechanical exhausting of air and fireplaces must be considered to avoid unsatisfactory furnace operation.

OUTSIDE AIR IS RECOMMENDED

The use of indoor air for most applications is acceptable, unless there is the presence of corrosive chemicals or contamination. Certain types of installation will require the use of outside air for combustion.

The following types of installations will require use of OUTDOOR AIR for combustion, due to chemical exposures:

* Commercial buildings * Buildings with indoor pools * Furnaces installed in “confined” laundry rooms * Furnaces installed in “confined” hobby or craft rooms * Furnaces installed near chemical storage areas.

Exposure to the following substances in the combustion air supply will also require OUTDOOR AIR for combustion:

* Permanent wave solutions * Chlorinated waxes and cleaners * Chlorine based swimming pool chemicals * Water softening chemicals * Deicing salts or chemicals * Carbon Tetrachloride * Halogen type refrigerants * Cleaning solvents (such as perchloroethylene) * Printing inks, paint removers, varnish, etc. * Hydrochloric acid * Cements and glues * Antistatic fabric softeners for clothes dryers * Masonry acid washing materials

Installer’s Guide

Furnace locations may be in a “confined space” or an “unconfined space”.

Unconfined space is defined in Figure 6. These spaces may have adequate air by infiltration to provide air for combustion and ventilation. Buildings with tight construction (for example, weather stripping, heavily insulated, caulked, vapor barrier, etc.), may need additional air to be provided as described for confined space.

Confined spaces are installations with less than 50 cu. ft. of space per 1000 BTU/hr input from all equipment installed. Air for combustion and ventilation requirements can be supplied from inside the building as in Figure 8 or from the outdoors, as in Figure 9.

TABLE 2

MINIMUM AREA IN SQUARE FEET

FOR UNCONFINED SPACE INSTALLATIONS

FURNACE

MAXIMUM BTUH

INPUT RATING

60,000

80,000 100,000 120,000

CONFINED

SPACE

1. All air from inside the building as in Figure 8: The confined space shall be provided with two permanent openings communicating directly with an additional room(s) of sufficient volume so that the combined volume of all spaces meets the criteria for an unconfined space. The total input of all gas utilization equipment installed in the combined space shall be considered in making this determination. Refer to Table 2 for minimum open areas requirements.

All air from outdoors as in Figure 9: The confined space shall be provided with two permanent openings, one commencing within 12 inches of the top and one commencing within 12 inches of the bottom of the enclosure. The openings shall communicate directly, or by ducts, with the outdoors or spaces (crawl or attic) that freely communicate with the outdoors. Refer to Table 3, for minimum open areas requirements.

MINIMUM FREE AREA IN SQUARE INCHES

EACH OPENING (FURNACE ONLY)

Furnace

Maximum

BTUH/INPUT

Rating

60,000

80,000 100,000 120,000

WITH 8 FT. CEILING

MINIMUM AREA IN SQUARE FEET

OF UNCONFINED SPACE

375 500 625 875

TABLE 3

Air

From

Inside

100 100 100 120

Air From Outside

Vertical

Duct

15 20 25 30

Horizontal

Duct

30 40 50 60

18-CD19D8-18 7

Installer’s Guide

DUCT CONNECTIONS

Air duct systems should be installed in accordance with standards for air conditioning systems, National Fire Protection Association Pamphlet No. 90. They should be sized in accordance with ACCA Manual D or whichever is applicable.

Central furnaces, when used in connection with cooling units, shall be installed in parallel or on the upstream side of the cooling coil to avoid condensation in the heat exchanger. With a parallel flow arrangement, the dampers or other means used to control flow of air shall be adequate to prevent chilled air from entering the furnace, and if manually operated, must be equipped with means to prevent operation of either unit unless the damper is in full heat or cool position.

On any job, flexible connections of nonflammable material may be used for return air and discharge connections to prevent transmission of vibration. Though these units have been specifically designed for quiet, vibration free operation, air ducts can act as sounding boards and could, if poorly installed, amplify the slightest vibration to the annoyance level.

When the furnace is located in a utility room adjacent to the living area, the system should be carefully designed with returns to minimize noise transmission through the return air grille. Although these furnaces are designed with large blowers operating at moderate speeds, any blower moving a high volume of air will produce audible noise which could be objectionable when the unit is located very close to a living area. It is often advisable to route the return air ducts under the floor or through the attic. Such design permits the installation of air return remote from the living area (i.e. central hall).

When the 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 a duct(s) sealed to the furnace and terminating outside the space containing the furnace.

RETURN AIR DUCT CONNECTION

NOTE: On upflow 5 or 6 ton airflow models where the airflow requirement exceeds 1800 CFM - Models will require return air openings and filters on: (1) both sides; or (2) one side and the bottom; or (3) just the bottom.

8 18-CD19D8-18

All return air duct systems should provide for installation of return air filters.

1. Determine the appropriate position to set the furnace in order to connect to the existing supply and return ductwork.

2. For side return installations on upflow models, remove the insulation around the opening in the blower compartment.

3. The side panels of the upflow furnace include locating notches that are used as guides for cutting an opening for return air, refer to Figure 10 and the outline drawing on page 4 for duct connection dimensions for various furnaces.

Installer’s Guide

▲

4. If a 3/4" flange is to be used for attaching the air inlet duct, add to cut where indicated by dashed lines in Figure 11. Cut corners diagonally and bend outward to form flange.

5. If flanges are not required, and a filter frame is installed, cut along knockout guidelines.

6. Upflow Furnaces: Use the optional filter rack on either side or on the bottom if the filter is to be used within the furnace cabinet.

When the upflow furnace is installed in the horizontal right or left application and a return duct is attached to the top side as shown in Figure 10, install the filter in a remote location.

WARNING

Do not install the filter in the return duct directly above the furnace in horizontal applications. Install the filter remotely. Installing the filter directly above the furnace in horizontal applications may cause property damage, serious injury or death.

WARNING

TO PREVENT INJURY OR DEATH DUE TO CONTACT WITH MOVING PARTS, TURN THE POWER TO THE FURNACE OFF BEFORE SERVICING FILTERS.

Do not install the filter in the return duct directly above the furnace in horizontal applications.

When the upflow furnace is installed in the horizontal right or left application and a close coupled (less than 36") return duct is attached to the bottom side of the furnace as shown in Figure 10, securely attach a 1/2" mesh metal hardware cloth protective screen to the inside bottom of the filter grill to prevent personal

injury from contacting moving parts when reaching into the return opening to replace the filter.

REMOVE FILTER FROM UPFLOW FURNACE WHEN RETURN DUCT IS ATTACHED TO FURNACE TOP SIDE (HORIZONTAL LEFT OR RIGHT APPLICATIONS) AS SHOWN.

FILTER

Close coupled (less than 36") return (filter directly beneath bottom side return) is not recommended due to noise considerations.

Downflow Furnaces: Brackets are factory supplied to mount filters in the return air duct work.

7. Connect the duct work to the furnace. See Outline Drawing (pages 4&5) for supply and return duct size and location. Flexible duct connectors are recommended to connect both supply and return air ducts to the furnace. If only the front of the furnace is accessible, it is recommended that both supply and return air plenums are removable.

8. When replacing a furnace, old duct work should be cleaned out. Thin cloths should be placed over the registers and the furnace fan should be run for 10 minutes. Don’t forget to remove the cloths before you start the furnace.

Return Air Filters (Filter and filter rack are not supplied with

unit)

TYPICAL UPFLOW RETURN AIR FILTER INSTALLATIONS

These furnaces require high velocity type air filters. The optional filters may be located within the furnace blower compartment for UPFLOW furnaces in either a BOTTOM or SIDE (left side or right side) return air inlet. Some optional filters may need to be trimmed for side or bottom filter use.

NOTE:

On upflow 5 or 6 ton airflow models where the airflow requirement exceeds 1800 CFM - Models will require return air openings and filters on: (1) both sides; or (2) one side and the bottom; or (3) just the bottom.

LOCATING NOTCHES PROVIDED FOR SIDE RETURN CUTOUT

SEE OUTLINE DRAWING

CUT OUT

FOR

SIDE

FILTER

FRONT

of Furnace

Close coupled (less than 36") return (filter directly beneath bottom side return) not recommended due to noise considerations. If used, securely attach 1/2" mesh metal hardware cloth protective screen to the inside bottom of filter grill.

18-CD19D8-18 9

The furnace and the blower filter rack installation can be seen in Figures 12 & 13.

The optional furnace filter in the bottom or side configuration can be removed by simply turning the two latches on the blower door and tilting the door forward.

The filter rails are spring loaded for automatic adjustment to allow standard size, locally obtainable replacement filters. The filter rack itself slides to adjust to the required width needed for bottom or side return.

Installer’s Guide

TABLE 4

UPFLOW FURNACE RETURN AIR FILTERS

CABINET

WIDTH

14-1/2" 1 14" X 25" X 1" 17-1/2" X 25" X 1"

17-1/2" 1 17" X 25" X 1" 17-1/2" X 25" X 1"

21" 1 20" X 25" X 1" 17-1/2" X 25" X 1"

24-1/2" 1 24" X 25" X 1" 17-1/2" X 25" X 1"

**NOTE: For upflow 5 ton airflow models where the airflow requirement exceeds 1800 CFM - Models will require return air openings and filters on: (1) both sides, or (2) one side and the bottom, or (3) just on the bottom

QTY*

CABINET

BOTTOM FILTER

CABINET

SIDE FILTER

Airflow

NOTE: The narrow 14.5" width furnace cabinet prevents use of the filter rack for right side return. Pre-drill clearance holes and then attach filter clips with the screws provided. The filter clip with the leaf spring mounts in the rear of the cabinet

OPTIONAL FILTER RACK INSTALLATION FOR BOTTOM RETURN

With the filter removed, the filter rack is compressed and then inserted into the bottom of the furnace. The retaining screw/pin on each side inserts into engagement holes at the bottom of the furnace cabinet side. See Figures 13, 14 & 16.

NOTE: Remove the bottom front channel to install the filter rack in the 14-1/2" width cabinet furnaces.

Blower Deck Engagement

Hole

Airflow

BOTTOM FILTER RACK INSTALLATION

ENGAGEMENT

HOLE DETAIL

(Typical both sides and blower deck)

Furnace

Cabinet

Side

Engagement Hole For

Filter Rack Installation With Bottom Return

VIEW

Filter Rack

Filter Rack Retaining Screw/Pin

Optional Filter Rack Accessory Kit

BAYRACK960A

10 18-CD19D8-18

Installer’s Guide

Airflow

TABLE 5

Cabinet Width Left Side Bottom Right Side

14.5 X

17.5 X X X

21 X X X

24.5 X X X

1. UD060C/R936K0 has 10x7 blower which requires use of alternate filter clips for left side filter. "K1" and later use the filter rack.

2. Remove bottom front channel to install or reposition filter rack.

X - All Models

OPTIONAL FILTER RACK INSTALLATION FOR SIDE RETURN AIR ON UPFLOW FURNACES (Left or Right)

If side air return is desired, the following instructions should be used:

a. Open or remove the blower door.

b. Leave the bottom panel in place. (Some models

require field supplied bottom panels.)

c. After the side cutout is made following the directions

in the “Return Air Duct Connections” section on pages 8 and 9; compress the filter rack and reinstall in the side of the furnace. Confirm that the upper retaining pin/screw locks into the engagement hole in the blower deck and the lower pin/screw rests against the side of the bottom panel. See Figures 14, 15, & 17-20.

d. Install the furnace filter on the side. See Figures 14,

15, & 17-20.

Furnace

Cabinet

Side

BOTTOM ENGAGEMENT

X2Use Alternate Filter Clips Only

Filter Rack Retaining Screw/Pin

Filter Rack

Typical Upflow Left Side Return Filter Rack Installation

SIDE

CUTOUT

RETAINING

(Both Sides)

SPRINGS

Airflow

FILTER

RACK RAILS

Airflow

BOTTOM

PANEL

INSTALLED

SIDE

CUTOUT

RETAINING

(Both Sides)

SPRINGS

Engagement Hole

For

Installation With

Bottom Return

BLOWER DECK

Furnace

Cabinet

Side

Filter Rack

Engagement Hole For

Filter Rack Installation With Side

Return

Filter Rack Retaining Screw/Pin

Bottom Panel

Furnace Blower Deck

Filter Rack Assembly

BOTTOM

PAN EL

INSTALLED

Typical Upflow Right Side Return Filter Rack Installation

FILTER

RACK

RAILS

Airflow

Optional door kit BAYFLTR206

Typical Horizontal Filter Installation

18-CD19D8-18 11

Installer’s Guide

RETURN AIR FILTERS FOR UPFLOW FURNACE IN HORIZONTAL CONFIGURATION

When the Upflow Furnace is installed in a horizontal configuration, the filter must never be installed inside or outside the cabinet directly above the blower assembly. See Figure 11 (page 9). Remote filter grilles may be used for homeowner convenience or the filters may be installed in the duct work upstream of the furnace. See Figures 11 (page 9) and 21 (page

11).

ALTERNATE UPFLOW FILTER CLIP / BRACKET INSTALLATION - KIT09224

1. Determine the location to be used. The furnace cabinet has dimples for location of the alternate furnace clips (Side return only). Pre-drill clearance holes with a 3/16" drill. Bottom return holes are pre-drilled.

2. Install the clips in front and rear of the desired location using the screws provided. The filter clip with the leaf spring mounts in the rear of the cabinet. See Figure 22.

REAR

SIDE

CUT-OUT

TYPICAL DOWNFLOW FURNACE RETURN AIR FILTER INSTALLATIONS

Airflow

ALTERNATE FILTER CLIPS LOCATION

Optional horizontal filter conversion kits are BAYFLTR203 for 17 1/2" width cabinets, BAYFLTR204 for 21" width cabinets, and BAYFLTR205 for 24" width cabinets. These include filters and brackets necessary for horizontal filters. In addition, optional door kit BAYFLTR206 is also available. See Figures 21 and 24.

INSTALLING THE OPTIONAL FILTER

The filter may need to be cut to fit the unit depending on the location of the return air filter.

A score line and the words “CUT HERE” are located on the end of the filter. If your application requires cutting the filter, do so as indicted by the score mark.

TABLE 6

UNIT SIZE

RETURN AIR

BOTTOM SIDE

14-1/2" CUT ON LINE DO NOT CUT

17-1/2" DO NOT CUT DO NOT CUT

21" DO NOT CUT CUT ON LINE

24-1/2" DO NOT CUT CUT ON LINE

Airflow

Optional door kit BAYFLTR206

Two high velocity type air filters are required for each downflow furnace. Downflow furnace filters must be located outside the furnace cabinet. Typical installations are shown in Figures 23 and 24. Tables 7 and 8 provide information for installation of the filter retaining brackets shipped with downflow furnaces.

TABLE 7

CABINET

WIDTH

14-1/2" 2 - 14X20X1 12-7/8" 17-1/2" 2 - 16X20X1 14-3/8"

21" 2 - 16X20X1 13-1/8"

24-1/2" 2 - 16X20X1 11-5/8"

* Location dimension is from end of duct to the screw holes for the bracket.

CABINET

WIDTH

14-1/2" 13-1/4" 12" 14" 17-1/2" 16-1/4" 15" 14"

21" 19-3/4" 19-1/2" 14"

24-1/2" 23-1/4" 22" 14"

RETURN

DUCT

WIDTH

FILTER

SIZE

TABLE 8

FILTER ACCESS

OPENING -

DIMENSION "A"

FILTER BRACKET

LOCATION *

FILTER ACCESS

OPENING -

DIMENSION "B"

12 18-CD19D8-18

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Trane TUX2B060A9362A, TUX2B080A9422A, TUX2C100A9482A, TUX2D120A9602A, TDX2B060A9362A Installer's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual