Ingersoll-Rand twe065e13fa1 Installation, Operation And Maintenance Manual

Installation, Operation, and Maintenance

Split System Air Handlers

5-20 Tons

Model (60 Hz) Model (50 Hz)

TWE061D/E***A TWE051D***A TWE090D/E***A TWE076D***A TWE120D/E***A TWE101D/E***A TWE150E***A TWE126E***A TWE180E***A TWE156E***A TWE240E***A TWE201E***A

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.

January 2012 SSA-SVX06B-EN

SAFETY WARNING

Warnings, Cautions and Notices

Warnings, Cautions and Notices. Note that warnings, cautions and notices appear at

appropriate intervals throughout this manual. Warnings are provide to alert installing contractors to potential hazards that could result in death or personal injury. Cautions are designed to alert personnel to hazardous situations that could result in personal injury, while notices indicate a situation that could result in equipment or property-damage-only accidents.

Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions.

Read this manual thoroughly before operating or servicing this unit.

ATTENTION: Warnings, Cautions and Notices appear at appropriate sections throughout this

literature. Read these carefully:

WARNING

CAUTIONs

NOTICE:

Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. It could also be used to alert against unsafe practices.

Indicates a situation that could result in equipment or property-damage only accidents

Important Environmental Concerns!

Scientific research has shown that certain man-made chemicals can affect the earth’s naturally occurring stratospheric ozone layer when released to the atmosphere. In particular, several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine, Fluorine and Carbon (CFCs) and those containing Hydrogen, Chlorine, Fluorine and Carbon (HCFCs). Not all refrigerants containing these compounds have the same potential impact to the environment. Trane advocates the responsible handling of all refrigerants-including industry replacements for CFCs such as HCFCs and HFCs.

Responsible Refrigerant Practices!

Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technicians who handle refrigerants must be certified. The Federal Clean Air Act (Section 608) sets forth the requirements for handling, reclaiming, recovering and recycling of certain refrigerants and the equipment that is used in these service procedures. In addition, some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants. Know the applicable laws and follow them.

Important: DO NOT release refrigerant to the atmosphere! If adding or removing refrigerant is

required, the service technician must comply with all federal, state, and local laws.

Important: One copy of this document ships inside the control panel of each unit and is

customer property. It must be retained by the unit’s maintenance personnel.

Proper Field Wiring and Grounding Required!

All field wiring MUST be performed by qualified personnel. Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards. To avoid these hazards, you MUST follow requirements for field wiring installation and grounding as described in NEC and your local/state electrical codes. Failure to follow code could result in death or serious injury.

WARNI NG

Warnings, Cautions and Notices

WARNI NG

Personal Protective Equipment (PPE) Required!

Installing/servicing this unit could result in exposure to electrical, mechanical and chemical hazards.

• Before installing/servicing this unit, technicians MUST put on all Personal Protective Equipment (PPE) recommended for the work being undertaken. ALWAYS refer to appropriate MSDS sheets and OSHA guidelines for proper PPE.

• When working with or around hazardous chemicals, ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels, proper respiratory protection and handling recommendations.

• If there is a risk of arc or flash, technicians MUST put on all Personal Protective Equipment (PPE) in accordance with NFPA 70E or other country-specific requirements for arc flash protection, PRIOR to servicing the unit.

Failure to follow recommendations could result in death or serious injury.

WARNING

Refrigerant under High Pressure!

System contains oil and refrigerant under high pressure. Recover refrigerant to relieve pressure before opening the system. See unit nameplate for refrigerant type. Do not use non-approved refrigerants, refrigerant substitutes, or refrigerant additives. Failure to recover refrigerant to relieve pressure or the use of non-approved refrigerants, refrigerant substitutes, or refrigerant additives could result in an explosion which could result in death or serious injury or equipment damage.

WARNING

R-410A Refrigerant under Higher Pressure than R-22!

The units described in this manual use R-410A refrigerant which operates at higher pressures than R-22 refrigerant. Use ONLY R-410A rated service equipment or components with these units. For specific handling concerns with R-410A, please contact your local Trane representative. Failure to use R-410A rated service equipment or components could result in equipment exploding under R-410A high pressures which could result in death, serious injury, or equipment damage.

This booklet describes proper installation, operation, and maintenance procedures for air cooled systems. By carefully reviewing the information within this manual and following the instructions, the risk of improper operation and/or component damage will be minimized. It is important that periodic maintenance be performed to help assure trouble free operation. Should equipment failure occur, contact a qualified service organization with qualified, experienced HVAC technicians to properly diagnose and repair this equipment.

Important: All phases of this installation must comply with the NATIONAL, STATE & LOCAL

CODES. In addition to local codes, the installation must conform with National Electric Code -ANSI/NFPA NO. 70 LATEST REVISION.

Any individual installing, maintaining, or servicing this equipment must be properly trained, licensed and qualified.

Important: Do not remove the VFD without first contacting technical support! For performance

-related questions and diagnostic support in North America call 1-877-872-6363. Any return requires a claim number FIRST. Removal of the VFD prior to this step will void the unit’s warranties.

SSA-SVX06B-EN 3

Table of Contents

Model Number Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Dimensional Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Electrical Data - Standard, SZVAV and 2-Speed VFD . . . . . . . . . . . . . . . . . . . . . . 23

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unit Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Initial Leak Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Lifting Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Repositioning Drain Pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Field Conversion to 460 Volt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Installations, Limitations and Recommendations . . . . . . . . . . . . . . . . . . 13

Horizontal Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Condensate Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Duct Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Air Flow Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Setpoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Checkout Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Thermostat and Control Connections for Electromechanical Controls . 45

Thermostat and Control Connections for ReliaTel™ Controls . . . . . . . . 46

Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4 SSA-SVX06B-EN

Variable Air Volume Applications (SZVAV) . . . . . . . . . . . . . . . . . . . . . . . . 48

2 Speed VFD Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Fan Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Annually (Cooling Season) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Precautionary Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

First Aid Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Maintenance Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Central Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Commercial Equipment Rated 20 Tons and Larger and Related Accessories (Parts Only)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Wiring Diagram Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

SSA-SVX06B-EN 5

Model Number Description

T W E 2 4 0 E 3 0 0 ** *

1 2 3 4 5 6 7 8 9 10 11 12

Model Number Description

All products are identified by a multiple-character model number that precisely identifies a particular type of unit. An explanation of the alphanumeric identification code is provided. Its use will enable the owner/ operator, installing contractors, and service engineers to define the operation, specific components, and other options for any specific unit.

Note: When ordering replacement parts or requesting service, be sure to refer to the specific model number,

serial number, and DL number (if applicable) stamped on the unit nameplate.

DIGITS 1 - 3: Product Type

TWE = Split System Heat Pump/Cooling Air Handler

DIGITS 4 - 6: Nominal Gross Cooling Capacity (MBh)

061 = 5 Tons (60 Hz) 051 = 4.6 Tons (50 Hz) 090 = 7½ Tons (60 Hz) 076 = 6.25 Tons (50 Hz) 120 = 10 Tons (60 Hz) 101 = 8.33 Tons (50 Hz) 150 = 12½ Tons (60 Hz) 126 = 10.4 Tons (50 Hz) 180 = 15 Tons (60 Hz) 156 = 13 Tons (50 Hz) 240 = 20 Tons (60 Hz) 201 = 16.7 Tons (50 Hz)

DIGIT 7: Major Development Sequence

D = Single Circuit E = Dual Circuit

DIGIT 8: Electrical Characteristics

1 = 208-230/60/1 W = 575/60/3 3 = 208-230/60/3 D = 380-415/50/3 4 = 460/60/3 K = 380/60/3

DIGITS 9 - 10: Factory Installed Options

00 = Packed Stock (Standard) 03 = 2-speed Variable Frequency Drive (VFD) Standard Motor Electromechanical Condenser only 04 = 2-speed Variable Frequency Drive (VFD) Oversized Motor Electromechanical Condenser only R3 = Single Zone Variable Air Volume (VFD) Standard Motor - Reliatel Cond only R4 = Single Zone Variable Air Volume (VFD) Oversized Motor - Reliatel Cond only

DIGITS 11: Minor Design Sequence

* = Current Design Sequence

DIGITS 12: Service Digit

* = Current Design Sequence1

* = sequential alpha character

6 SSA-SVX06B-EN

General Information

Installation procedures should be performed in the sequence that they appear in this manual. Do not destroy or remove the manual from the unit. The manual should remain weather-protected with the unit until all installation procedures are complete.

Note: It is not the intention of this manual to cover all possible variations in systems that may

occur or to provide comprehensive information concerning every possible contingency that may be encountered during an installation. If additional information is required or if specific problems arise that are not fully discussed in this manual, contact your local sales office.

This manual covers installation of the TWE air handlers. These air handler models incorporate a single slab coil assembly, improved application flexibility, servicing, maintenance accessibility and an improved accessory line. They are fully convertible, (vertical to horizontal discharge) without field removal of the coil assembly. They are shipped ready for horizontal installation.

All units have one drain pan that can be installed in any one of four positions. This allows for vertical or horizontal applications and right or left exit.

Important: All dual circuit (digit 7 = E) have an intertwined coil

Installation Checklist

An “Installation Checklist” is provided at the end of the installation section of this manual. Use the checklist to verify that all necessary installation procedures have been completed. Do not use the checklist as a substitute for reading the information contained in the manual. Read the entire manual before beginning installation procedures.

Unit Inspection

Inspect material carefully for any shipping damage. If damaged, it must be reported to, and claims made against the transportation company. Compare the information that appears on the unit nameplate with ordering and submittal data to ensure the proper unit was shipped. Available power supply must be compatible with electrical characteristics specified on component nameplates. Replace damaged parts with authorized parts only.

Initial Leak Test

All TWE units are shipped with a holding charge of nitrogen in each circuit. Remove the access panel shown in Figure 12, p. 21. Locate the liquid line or suction line access valve for each circuit. Install gauges to determine if the circuits are still pressurized. If not, the charge has escaped. Repair as required to obtain a leak-free circuit.

Lifting Recommendations

WARNING

Improper Unit Lift!

Each of the cables (chains or slings) used to lift the unit must be capable of supporting the entire weight of the unit. Lifting cables (chains or slings) may not be of the same length. Adjust as necessary for even unit lift. Other lifting arrangements may cause equipment or propertyonly damage. Test lift unit approximately 24 inches to verify proper center of gravity lift point. To avoid dropping of unit, reposition lifting point if unit is not level.

Failure to properly lift unit could result in unit dropping and possibly crushing operator/ technician which could result in death or serious injury and possible equipment or propertyonly damage. Refer to Ta b l e 1 and Ta b l e 2 for unit weight.

SSA-SVX06B-EN 7

General Information

NOTICE:

Equipment Damage!

Use spreader bars to prevent straps from damaging the unit. Install the bars between lifting straps, both underneath the unit and above the unit. This will prevent the straps from crushing the unit cabinet or damaging the unit finish.

Before preparing the unit for lifting, estimate the approximate center of gravity for lifting safety. Because of placement of internal components, the unit weight may be unevenly distributed. Approximate unit weights are given in Ta b le 1 and Ta b l e 2, p. 8.

The crated unit can be moved using a forklift of suitable capacity. For lifting the unit into an elevated mounting position, run lifting straps or slings under the unit and attach securely to the lifting device.

Table 1. TWE Unit and Corner Weights - lbs (60 Hz)

Corner Weights - Vertical Corner Weights - Horizontal

Tons Model No. Shipping Max (lbs) Net Max (lbs)

5 TWE061D/E 263 232 55 71 51 55 54 67 50 61

7½ TWE090D/E 360 323 67 99 75 82 56 92 87 88

10 TWE120D/E 429 393 77 121 110 85 79 118 77 119

12½ TWE150E 730 676 168 192 181 135 196 164 145 171

15 TWE180E 729 675 167 192 181 135 196 163 145 171 20 TWE240E 891 818 258 168 161 231 256 181 146 235

1234ABCD

Table 2. TWE Unit and Corner Weights - kg (50 Hz)

Corner Weights - Vertical Corner Weights - Horizontal

Tons Model No. Shipping Max (kg) Net Max (kg)

5 TWE051D/E 118 104 25 32 23 25 24 30 23 27

7½ TWE076D/E 162 145 30 45 34 37 25 41 39 40

10 TWE101D/E 193 177 35 54 50 38 36 53 35 54

12½ TWE126E 329 304 76 86 81 61 88 74 65 77

15 TWE156E 328 304 75 86 81 61 88 73 65 77 20 TWE201E 401 368 116 76 72 104 115 81 66 106

1234ABCD

8 SSA-SVX06B-EN

Pre-Installation

The final position for the air handler must be dictated by required service access to it, weight distribution over structural supports, and by the locations of electrical, refrigerant and condensate drainage connections. After this is determined, the following preparations should be made.

Repositioning Drain Pan

These air handlers come with one drain pan that can be installed in any one of four positions; this allows for vertical or horizontal application and right or left condensate line connection. The drain pan can also be easily removed for periodic cleaning.

Note: Important! All air handlers are shipped with the drain pan installed in the horizontal position

and the connection on the left side (as shown in Figure 1. If an alternate position is required, the drain pan should be repositioned before setting the air handler.

Figure 1. Drain Pan Location

SSA-SVX06B-EN 9

Pre-Installation

Process for Drain Pan Relocation

1. Remove the access plate at the opposite end of the drain connection. This plate secures and lifts the back end of the drain pan for sloping. It must be removed before the drain pan can be removed. This is done as follows:

a. Remove the screw

b. Lift the access plate up

c. Pull the plate out. If the drain pan is to be moved to

the vertical position also remove the other two access plates.

2. Remove the screw securing the drain pan.

a. Lift the pan up

b. Slide the pan out

3. Install the drain pan into the new position.

a. Slide the drain pan into the opening

b. Lift the drain pan up

c. Push it in all the way

d. Drop it down over the lip of the opening, secure with

screw

4. Install the access plate on the opposite end of the drain pain.

a. Slide the edge of the access plate under the drain pan

b. Lift the access plate and drain pan up

c. Push the access plate in

d. Drop the access plate down over the lip of the

opening, secure with screw. If the drain pan is being moved to the vertical position, install the other access plates over the horizontal position opening.

Figure 2. Drain Pan Relocation

System Component Damage!

These air handlers are shipped with a dry nitrogen holding charge in the coil. Depress or remove the access valve core to bleed off the nitrogen prior to brazing. Temporarily cap off tubes if the refrigerant line connections are to be made later.

10 SSA-SVX06B-EN

NOTICE:

Field Conversion to 460 Volt

Hazardous Voltage w/Capacitors!

Disconnect all electric power, including remote disconnects and discharge all motor start/run capacitors before servicing. Follow proper lockout/tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency drives or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with an appropriate voltmeter that all capacitors have discharged. Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury.

For additional information regarding the safe discharge of capacitors, see PROD-SVB06A-EN

Proper Field Wiring and Grounding Required!

Pre-Installation

WARNING

• Available power supply must agree with electrical data on component nameplate.

• Some standard air handlers are shipped wired for 208-230 volt applications and can be converted for 460 volt by rewiring the blower motor, see Figure 3. (This includes models TWE090D3, TWE090E3, TWE120D3, TWE120E3, TWE150E3 and TWE180E3).

Converting Motor to 460 Volt

1. Ensure power is disconnected to unit by following the warning above.

2. Remove unit access panels closest to motor.

3. Open terminal cover on lead end of motor.

4. Pull voltage selector plug from low voltage selection (see Figure 3).

5. Shift the plug (or rotate 180°) to align plug for high voltage selection and reinsert plug.

Important: When re-inserting voltage

selection plug, ensure it is fully seated.

6. Replace terminal cover on lead end of motor.

7. Replace unit access panels.

Figure 3. Voltage Change Plug

SSA-SVX06B-EN 11

Pre-Installation

Top bracket screws

Rotate 4° clockwise

Refrigerant Piping

Evaporator Coil Orientation

Important: Applies only to TWE126/150 and 156/180 when positioned for vertical upflow. Unit

Process for reorienting evaporator coil on TWE126, 150, 156 and 180 only.

1. Remove screws from top evaporator coil bracket (bracket that attaches coil to cabinet and runs

2. Rotate evaporator coil approximately 4 degrees clockwise - looking from the control box end

3. Reinsert screws in evaporator coil bracket.

Figure 4. Evaporator Coil Reorientation for TWE126, 150, 156, 180

is shipped in the horizontal position. If installing in the vertical position, the coil must be reoriented by rotating the coil 4 degrees (control box side) from the

shipped position. See instructions and Figure 4 below.

the length of the unit).

(see Figure 4). When the evaporator coil is rotated, the lower set of evaporator coil bracket holes will align with the support bracket (from which it was originally fastened).

Preparation

Equipment Damage!

Do not apply heat to remove seal caps until the gauge port cores have been removed. If seal caps are intact, application of heat may generate excessive pressure in the unit and result in damage to the coil or expansion valve.

The air handler is designed so that refrigerant piping can enter from either the right or left hand side. It is shipped with the intent that the refrigerant lines will enter from the left hand side. To convert to right hand entry, unbraze the elbow on the suction line and rotate 180° and rebraze.

Important: Access to refrigerant lines is limited in all horizontal and some vertical applications.

12 SSA-SVX06B-EN

NOTICE:

Therefore, refrigerant lines should be stubbed out and temporarily capped prior to setting the air handler. Protect adjacent surfaces from heat damage when brazing in and around the air handler.

Installations, Limitations and Recommendations

System Component Damage!

Properly insulate all refrigerant gas piping to prevent possible water damage due to condensation and to prevent capacity loss and possible compressor damage.

The general location of the air handler is normally selected by the architect, contractor and/or buyer. For proper installation the following items must be considered.

• Available power supply must agree with electrical data on component nameplate.

• If external accessories are installed on the unit, additional clearances must be provided.

• All duct work should be properly insulated to prevent condensation and heat loss.

• Refrigerant gas piping must be insulated.

It is recommended that the outline drawings (Figure 6, p. 15 - Figure 13, p. 22) be studied and dimensions properly noted and checked against the selected installation site. By noting in advance which features are to be used, proper clearance allowances can be made for installation and possible future service.

Important: When installing these units “free standing” with discharge grills and isolators, a top

support with isolator should be added to prevent tipping. Support and isolator can be attached to a wall or other appropriate structure.

Important: If adding external accessories to the unit, additional clearances must be considered

for the overall space needed.

For installation of accessories available for this air handler, follow the instructions packed with each accessory.

Pre-Installation

NOTICE:

SSA-SVX06B-EN 13

Dimensional Data

Figure 5. TWE Quick Reference

Note: Full dimensional data available on next pages.

H - in. (mm) W - in. (mm) D - in. (mm)

TWE051, 061 48-1/8” (1222.4) 39-5/8” (1006.5) 23-5/8” (600) TWE076, 090 54-1/8” (1374.8) 49-1/8” (1247.8) 26-1/2” (673.1) TWE101, 120 54-1/8” (1374.8) 65-1/8” (1654.2) 26-1/2” (673.1)

TWE126, 150, 156, 180 69-1/8” (1756) 81-1/4” (2063.7) 30 (762)

TWE201, 240 71-7/8” (1806.6) 94-1/4” (2394) 32-1/8” (816)

14 SSA-SVX06B-EN

3" (76.2)

48 1/16" (1220.8)

10 7/16" (265.1)

34 9/16"

(877.9)

35 5/8" (904.9)

1 1/8" (28.6)

12"

(304.8)

13 9/16" (344.5)

20 1/16" (509.6)

1 11/16"

(42.9)

5 15/16"

(150.8)

13 3/16" (335)

12"

(304.8)

13 9/16"

(344.5)

13 5/16" (338.14)

1 3/4"

(44.45)

2 3/4" (69.9)

DRAIN CONNECTION FOR HORIZONTAL (SEE NOTE 2,3, 5 )

32 1/2" (825.5)

12 7/16"

(315.9)

1 3/8" (34.9)

.99" (25.15)

.99" (25.15) 1 3/8" (34.9)

3 3/16" (81)

3 7/16" (87.3)

22 5/8" (574.7)

16 1/4" (412.8)

.77"

(19.6)

.50" (12.7)

3 9/16"

(90.5)

7 9/16" (192.1)

37 15/16"

(963.6)

24 1/16" (611.2)

2 5/16"

(58.7)

6 7/8"

(174.6)

6 15/16" (176.2)

BOTTOM RETURN

SIDE RETURN

CONTROL BOX

ACCESS PANEL

NOTES:

1. PANEL DEPTH 1/2" (12.7) (TYP. ALL PANELS).

2. REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION, PLASTIC DRAIN PAN ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING. ACCESS PLATE MUST BE RE-INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT.

3. IF PERIODIC DRAIN PAN CLEANING IS REQUIRED, ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT.

4. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION.

5. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION.

DIMENSIONAL DRAWING

4.6 - 6.25 TON AIR HANDLER

(SINGLE CIRCUIT)

SEE NOTES 2,3,4

(4) - HOLE FOR HORIZONTAL SUSPENSION

COPPER LIQUID LINE FIELD CONNECTION

COPPER SUCTION LINE FIELD CONNECTION

LIQUID LINES

1 3/8" (34.9) O.D. SUCTION LINE

REMOTE BULB TXV

FILTER ACCESS PANEL 22" (558.8) MIN. DISTANCE BOTH SIDE

FILTER

SUPPLY OPENING

BOTTOM RETURN

SIDE RETURN

BOTTOM RETURN

SUPPLY VERTICAL RETURN HORIZONTAL / RETURN VERTICAL

SUPPLY HORIZONTAL RETURN VERTICAL / RETURN HORIZONTA L

(4) - HOLE FOR HORIZONTAL SUSPENSION

SIDE RETURN

CONTROL WIRING

LINE VOLTAGE

DUCT FLANGE 1" (25.4) HEIGHT

SUPPLY

OPEN

HEATER VENTILATION

HEATER CONTROL AND SINGLE POWER ENTRY WIRES

32 1/2" (825.5)

2 3/4" (69.9)

Figure 6. TWE051, 061 Air Handler, Single Circuit — in (mm)

Dimensional Data

SSA-SVX06B-EN 15

Dimensional Data

3" (76.2)

48 1/16" (1220.8)

10 7/16"

(265.1)

34 9/16"

(877.9)

35 5/8" (904.9)

1 1/8" (28.6)

12"

(304.8)

13 9/16"

(344.5)

20 1/16"

(509.6)

1 11/16"

(42.9)

5 15/16"

(150.8)

13 3/16" (335)

16 1/8" (409.6)

17 5/16"

(439.7)

17 7/8"

(454)

12"

(304.8)

13 9/16"

(344.5)

16 1/8" (409.6)

17 5/16"

(439.7)

13 5/16" (338.14)

1 3/4"

(44.45)

2 3/4" (69.8)

32 1/2" (825.5)

DRAIN CONNECTION FOR HORIZONTAL (SEE NOTE 2,3,5)

12 7/16"

(315.9)

3 11/16" (93.7)

1 11/16" (42.9)

1 3/8" (34.9)

.99" (25.15)

.99" (25.15) 1 3/8" (34.9)

1 11/16" (42.9)

3 3/16" (81)

3 11/16" (93.7)

3 7/16" (87.3)

22 5/8" (574.7)

1 13/16"

(46.04)

22 5/8" (574.7)

16 1/4" (412.8)

.77" (19.6)

.50" (12.7)

3 9/16"

(90.5)

7 9/16" (192.1)

37 15/16"

(963.6)

24 1/16"

(611.2)

2 5/16"

(58.7)

6 7/8"

(174.6)

6 15/16" (176.2)

BOTTOM RETURN

SIDE RETURN

DUCT FLANGE 1" (25.4) HEIGHT

SUPPLY

OPEN

CONTROL WIRING

LINE VOLTAGE

CONTROL BOX

ACCESS PANEL

NOTES:

1. PANEL DEPTH 1/2" (12.7) (TYP. ALL PANELS).

3. IF PERIODIC DRAIN PAN CLEANING IS REQUIRED, ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN CONNECTION AT END OF UNIT.

4. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION VE

RTICAL CONFIGURATION.

5. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION.

DIMENSIONAL DRAWING

5 TON AIR HANDLER

(DUAL CIRCUIT)

SEE NOTES 2,3,4

SUPPLY VERTICAL RETURN HORIZONTAL / RETURN VERTICAL

SUPPLY HORIZONTAL RETURN VERTICAL / RETURN HORIZONTAL

(4) - HOLE FOR HORIZONTAL SUSPENSION

COPPER LIQUID LINE FIELD CONNECTION

COPPER SUCTION LINE FIELD CONNECTION

LIQUID LINES

(2) REMOTE BULB TXV

FILTER ACCESS PANEL 22" (558.8) MIN. DISTANCE BOTH SIDE

SIDE RETURN

BOTTOM RETURN

SUPPLY OPENING

FILTER

(4) HOLE FOR HORIZONTAL SUSPENSION

DRAIN CONNECTION

SUCTION LINE

COPPER LIQUID LINE FIELD CONNECTION

HEATER VENTILATION

HEATER CONTROL AND SINGLE POWER ENTRY WIRES

32 1/2" (825.5)

2 3/4" (69.8)

Figure 7. TWE061 Air Handler, Dual Circuit — in (mm)

16 SSA-SVX06B-EN

Figure 8. TWE076, 090 Air Handler, Single Circuit — in (mm)

NOTES:

1. PANEL DEPTH 1/2" (12.7) (TYP. ALL PANELS).

3. IF PERIODIC DRAIN PAN CLEANING IS REQUIRED, ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT.

4. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION VE

5. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION.

47 1/2"

(1206.5)

16 1/16"

(408)

1 9/16"

(39.7)

2 3/4"

(69.85)

DUCT FLANGE

1" (25.4) HEIGHT

11 11/16"

(296.8)

24 1/16"

(611.2)

HEATER CONTROL AND SINGLE POWER ENTRY WIRES

HEATER VENTILATION

CONTROL WIRING

LINE VOLTAGE

CONTROL BOX

ACCESS PANEL

DRAIN CONNECTION

1 3/16" (30.2)

FOR HORIZONTAL

(SEE NOTE 2,3,5)

25 1/2" (647.7)

16 1/4" (412.8)

SUPPLY

OPEN

6 13/16"

(173)

25 1/2" (647.7)

.70"

(17.8)

12 5/16"

8 5/16"

(312.7)

(211.1)

2 1/4" (57.15)

3 1/2" (88.9)

8 13/16" (223.8)

16"

(406.4)

REMOTE BULB TXV

SUCTION LINE

SIDE RETURN

42"

(1066.8)

COPPER LIQUID LINE FIELD CONNECTION

COPPER SUCTION LINE FIELD CONNECTION

16 7/8" (428.6)

1 13/16"

(46)

2 3/4"

(69.85)

Dimensional Data

RTICAL CONFIGURATION.

BOTTOM RETURN

42"

(1066.8)

22 7/8"

(581)

FILTER ACCESS PANEL 22" (558.8) MIN. DISTANCE BOTH SIDE

LIQUID LINES SEE NOTES 2,3,4

1 3/16" (30.16)

6 3/4"

(171.45)

54 1/16" (1373.2)

36 7/8" (936.6)

10 7/16"

(265.1)

45 1/8"

(1146.2)

16 11/16"

(423.9)

3 5/8" (92.1)

1 11/16" (42.9)

17 7/16"

(442.9)

20"

(508)

(4) - HOLE FOR HORIZONTAL SUSPENSION

SIDE RETURN

BOTTOM RETURN

6.25 - 7.5 TON AIR HANDLER

DIMENSIONAL DRAWING

SUPPLY VERTICAL RETURN HORIZONTAL / RETURN VERTICAL

(SINGLE CIRCUIT)

17 3/8" (441.3)

1 9/16" (39.7)

3 1/2" (88.9)

SUPPLY OPENING

BOTTOM RETURN

FILTER

SIDE RETURN

16 11/16"

(423.9)

SUPPLY HORIZONTAL RETURN VERTICAL / RETURN HORIZONTAL

SEE NOTES 2,3,4

(4) HOLE FOR HORIZONTAL SUSPENSION

SSA-SVX06B-EN 17

Dimensional Data

16 7/8" (406.4)

1 13/16"

(46)

2 3/4" (69.9)

42"

(1066.8)

1 9/16"

(39.7)

16 1/16"

(408)

20 1/16"

(509.6)

16 3/4" (425.5)

16 1/4" (412.8)

13 3/4" (349.3)

3 5/8" (92.1)

1 5/8" (41.3)

1 5/16" (33.3)

11 1/16"

(281)

13 3/4" (349.2)

16 1/4" (412.8)

16 3/4" (425.5)

19 1/16"

(484.2)

20 1/16"

(509.6)

3 5/8" (92.1)

1 5/8" (41.3)

1 5/16" (33.3)

16"

(406.4)

8 13/16" (223.8)

3 1/2" (88.9)

1 3/16" (30.2)

22 7/8"

(581)

45 1/8"

(1146.2)

6 3/4"

(171.5)

36 7/8" (936.6)

10 7/16"

(265.1)

54 1/16" (1373.2)

1 3/16" (30.2)

25 1/2" (647.7)

16 1/4" (412.8)

.70"

(17.78)

25 1/2" (647.7)

24 1/16"

(611.2)

11 11/16"

(296.9)

47 1/2"

(1206.5)

8 5/16" (211.1)

12 5/16"

(312.7)

2 1/4" (57.15)

6 13/16" (173)

BOTTOM RETURN

SIDE RETURN

CONTROL WIRING

LINE VOLTAGE

CONTROL BOX

ACCESS PANEL

NOTES:

1. PANEL DEPTH 1/2" (12.7) (TYP. ALL PANELS).

3. IF PERIODIC DRAIN PAN CLEANING IS REQUIRED, ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT.

4. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION.

5. 1" (25.4) FEMALE SCHED. 40 (10.2) PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION.

DIMENSIONAL DRAWING

7.5 TON AIR HANDLER

(DUAL CIRCUIT)

SEE NOTES 2,3,4

(4) - HOLE FOR HORIZONTAL SUSPENSION

COPPER LIQUID LINE FIELD CONNECTION

COPPER SUCTION LINE FIELD CONNEC TI O N

LIQUID LINES

SUCTION LINE

(2) REMOTE BULB TXV

FILTER ACCESS PANEL 22" (559) MIN. DISTANCE BOTH SIDE

DRAIN CONNECTION

FOR HORIZONTAL

(SEE NOTE 2,3,5)

FILTER

SUPPLY OPENING

BOTTOM RETURN

SIDE RETURN

BOTTOM RETURN

SUPPLY VERTICAL RETURN HORIZONTAL / RETURN VERTICAL

SUPPLY HORIZONTAL RETURN VERTICAL / RETURN HORIZONTAL

(4) HOLE FOR HORIZONTAL SUSPENSION

SIDE RETURN

DUCT FLANGE 1" (25.4) HEIGHT

SUPPLY

OPEN

HEATER VENTILATION

HEATER CONTROL AND SINGLE POWER ENTRY WIRES

42"

(1066.8)

2 3/4" (69.9)

Figure 9. TWE090 Air Handler, Dual Circuit — in (mm)

18 SSA-SVX06B-EN

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