ALLIED COMMERCIAL TGA180 User Manual

505,143M
*P505143M*
10/06
*2P1006*
©2006
Litho U.S.A.
WARNING
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser-
vice must be performed by a qualified installer, ser-
vice agency or the gas supplier
Table Of Contents
Dimensions 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Arrangements 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List 3. . . . . . . . . . . . . . . . . . . . . . . . . .
General 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Support 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct Connection 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging Unit For Lifting 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Condensate Drains 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Test Gas Piping 6. . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude Derate 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION
INSTRUCTIONS
TGA/TCA180
TGA/TCA210
TGA/TCA240
TGA/TCA300S
(15 Ton)
(17.5 Ton)
(20 Ton)
(25 Ton)
GAS AND COOLING PACKAGED UNITS
505,143M
10/2006
Supersedes 12/2005
Electrical Connections 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start−Up 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blower Operation and Adjustments 8. . . . . . . . . . . . . . . . . .
Cooling Start−Up 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Heat Start−Up 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating Operation and Adjustments 18. . . . . . . . . . . . . . . . . .
Electric Heat Start−Up 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
TCA240H SHOWN

ALLIED COMMERCIAL TGA180 Specifications

General

Brand	ALLIED COMMERCIAL
Model	TGA180
Category	Air Conditioner
Language	English

Summary

Electrical Connections

Thermostat Installation and Wiring

Guidelines for thermostat placement and connecting wiring to the control board.

Unit Power-Up Procedures

Steps for applying power, checking wiring, and initial unit readiness checks.

Unit Start-Up Procedures

Blower Operation and Adjustments

How to operate, adjust, and maintain the blower system for optimal airflow.

Cooling Start-Up and Checks

Initiating cooling mode, checking refrigerant charge, and compressor controls.

Gas Heat Start-Up

Placing Unit In Operation

Sequence for safely starting the gas burner and heating system.

Heating Operation and Adjustments

Heating Stage Sequences

Operational steps for first stage, second stage, and low ambient kit.

Service and Maintenance

Filter Replacement

Guidelines for checking and replacing air filters.

Burner and Ignition System Service

Procedures for cleaning burners and setting ignitor/sensor positions.

Combustion Air and Coil Cleaning

Maintenance for combustion air inducer, evaporator, and condenser coils.