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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 informa-
tion pack upon completion of work.

 

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING

WARNING:

Installer’s Guide

A. GENERAL INFORMATION

WARNING

!

THIS INFORMATION IS FOR USE BY INDIVIDUALS HAVING
ADEQUATE BACKGROUNDS OF ELECTRICAL AND MECHANICAL
EXPERIENCE. ANY ATTEMPT TO REPAIR A CENTRAL AIR
CONDITIONING PRODUCT MAY RESULT IN PERSONAL INJURY
AND/OR PROPERTY DAMAGE. THE MANUFACTURER OR
SELLER CANNOT BE RESPONSIBLE FOR THE INTERPRETA-
TION OF THIS INFORMATION, NOR CAN IT ASSUME ANY
LIABILITY IN CONNECTION WITH ITS USE.

CAUTION

!

EQUIPMENT DAMAGE! TO PREVENT SHORTENING ITS SERVICE
LIFE, THE AIR HANDLER SHOULD NOT BE USED DURING THE
FINISHING PHASES OF CONSTRUCTION OR REMODELING. The
low return air temperatures can lead to the formation of condensate.
Condensate in the presence of chlorides and fluorides from paint,
varnish, stains, adhesives, cleaning compounds, and cement creates
a corrosive condition which may cause rapid deterioration of the
cabinet and internal components.

1-½ – 5 Ton Air Handlers
Upflow / Horizontal Left

These Air Handlers are vertical upflow and horizontal left configuration
only. Refer to Section B beginning  on page 2  for additional informa-
tion.

INSPECTION

Check carefully for any shipping damage. This must be reported to
and claims made against the transportation company immediately.
Check to be sure all major components are in the unit. Any missing
parts should be reported to your supplier at once, and replaced with
authorized parts only.

INSTALLATION LIMITATIONS & RECOMMENDATIONS

The general location of the air handler is normally selected by the
architect, contractor and/or home owner for the most effective
application and satisfaction.

These air handlers are suitable for installation in a closet, alcove or
utility room with free, non-ducted, air return, using the area space as a
return air plenum. With ducted supply air, if the minimum clearances to
combustible materials and service access are observed, the above
installations are suitable.

This area may also be used for other purposes, including an electric
hot water heater - 

but in no case shall a fossil fuel device be

installed and/or operated in the same closet, alcove or utility
room.

In addition, these air handlers are suitable for installation in an attic,
garage or crawl space with ducted supply and return air.

This equipment has been evaluated in accordance with the Code of
Federal Regulations, Chapter XX, Part 3280 or the equivalent.
“SUITABLE FOR MOBILE HOME USE”

For proper installation the following items must be considered:

1. If adequate power is available and correct according to name-

plate specifications.

2. Insulate and

 

seal all ducts, particularly if unit is located outside of

the conditioned space.

3. To ensure maximum efficiency and system performance, the

existing supply and return duct system static pressures must not
exceed the total available static pressure of the air handler.
Reference ACCA Manual D, Manual S and Manual RS along with
the air handler Product Data and Service Facts for additional
information.

4. It is recommended that the outline drawing be studied and

dimensions properly noted and checked against selected
installation site. By noting in advance which knockouts are to be
used, proper clearance allowances can be made for installation
and possible future service.

5. If supplementary heat is to be added, power supply must be

sufficient to carry the load. In addition,  minimum air flow settings,
unit and duct clearances to combustible material must be
maintained as stated on the air handler rating nameplate.

CAUTION

!

For air handlers not equipped with a factory installed electric heater,
a field installed heater is available from Trane. Only heaters built by
Trane are approved for use in the air handler.  These heaters have
been designed and tested in accordance with UL standards to
provide safe and reliable operation. A list of approved heaters is
provided on the air handler rating nameplate.  Heaters that are not
factory approved could cause damage and are not covered under
equipment warranty.

18-GJ03D1-2

TWG018A140C

TWG025A140C

TWG030A140C

TWG036A140C

TWG037A140C

TWG042A140C

TWG048A140C

TWG060A150C

These instructions do not cover all variations in systems or provide for
every possible contingency. Should further information be desired or
particular problems arise which are not covered sufficiently by this
manual, contact your local distributor or the manufacturer as listed on
the air handler nameplate.

The following warning complies with State of California law, Proposition 65.
 This product contains fiberglass wool insulation! Fiberglass dust and ceramic 
fibers are believed by the State of California to cause cancer through 
inhalation. Glasswool fibers may also cause respiratory, skin, or eye irritation.
PRECAUTIONARY MEASURES:
--Avoid breathing fiberglass dust.
--Use NIOSH approved dust/mist respirator.
--Avoid contact with the skin or eyes. Wear long sleeved, loose fitting  

  

clothing, gloves and eye protection.
--Wash clothes separately from other clothing; rinse washer thoroughly.
--Operations such as sawing, blowing, tear-out, and spraying may generate 
fiber concentrations requiring additional respiratory protection. Use the 
appropriate NIOSH approved respirator in these situations.

FIRST AID MEASURES
--Eye contact: Flush eyes with water to remove dust. If symptoms persist, 
seek medical attention.
--Skin Contact: Wash affected areas gently with soap and warm water after 
handling.

WARNING

!

Summary of Contents for TWG018A140C

Page 1: ...idered 1 If adequate power is available and correct according to name plate specifications 2 Insulate and seal all ducts particularly if unit is located outside of the conditioned space 3 To ensure ma...

Page 2: ...is shipped from the factory in the horizontal left airflow position 3 Openings where field wiring enters the cabinet must be completely sealed Location of power entry is shown on the Outline Drawing...

Page 3: ...drain outlet connection 3 It is recommended that a clean out tee or cross be installed in the primary drain line for future maintenance See Figure 4 4 Do not use reducing fittings in the condensate dr...

Page 4: ...grams are provided which show the low voltage wiring hookup for a single speed cooling only system with supplementary heaters and a heat pump system with supple mentary heaters Plug in type electrical...

Page 5: ...ERNAL STATIC PRESSURE INCHES OF WATER VERTICAL See Notes HORIZONTAL See Notes 230 VOLTS 208 VOLTS 230 VOLTS 208 VOLTS CFM HI MED LO HI MED LO HI MED LO HI MED LO 850 0 59 900 0 55 0 54 0 65 0 49 0 38...

Page 6: ...6 18 GJ03D1 2 Installer s Guide OUTLINE DRAWING FOR TWG018 036A140C D810094REV05...

Page 7: ...18 GJ03D1 2 7 Installer s Guide OUTLINE DRAWING FOR TWG037 042 048 060A D810126REV04...

Page 8: ...pleted it is recommended that the Air Handler be checked against the following checklist 1 Operational Procedure for the system installation can be found in the outdoor unit installer guide and will b...

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