Trane ProSpace PTHG0901GAA User Manual

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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.

July 2023

PPTTAACC--SSVVXX000044AA--EENN

ProSpace

™™

Packaged Terminal Air Conditioner (PTAC)

R32 AC/Heat Pump with Electric Heat

208/230 Volts:

PTEG0701GAA

PTHG0701GAA

PTEG0901GAA

PTHG0901GAA

PTEG1201HAA

PTHG1201HAA

PTEG1501HAA

PTHG1501HAA

265 Volts:

PTEG0702GAA

PTHG0702GAA

PTEG0902GAA

PTHG0902GAA

PTEG1202HAA

PTHG1202HAA

PTEG1502HAA

PTHG1502HAA

Installation, Operation, and Maintenance

Table of Contents

Questions and Answers:

H
Heather CareyAug 10, 2025
What to do if my Trane ProSpace PTHG0901GAA is losing refrigerant or has a sensor issue?
- F
  Frederick GrayAug 10, 2025
  If your Trane Heat Pump is losing refrigerant or has a sensor issue: * Inspect the unit, especially the refrigerant system, for leaks or visible damage. * Observe the refrigerant circuit temperatures. * Check that the tube temperature sensor on the condenser coil is snug in its sleeve. * Ensure the ambient temperature sensor in front of the evaporator coil is secure and not touching the coil. * Verify that the inner and outer tube temperature sensors are correctly plugged into the board inside the compartment below the on-board mounted controls and are not reversed.
J
Jill MeyerAug 15, 2025
What to do if the outlet air temperature sensor fails in my Trane Heat Pump?
- M
  Mrs. Laura Brewer MDAug 15, 2025
  If the outlet air temperature sensor fails in your Trane Heat Pump: 1. Check the sensor wiring and connections to the main board. 2. Test the resistance of the sensor while it is disconnected. 3. If needed, replace the main board.
A
Abigail RobertsAug 22, 2025
What to do if the indoor ambient temperature sensor is open or short-circuited in my Trane Heat Pump?
- S
  sandra87Aug 22, 2025
  If the indoor ambient temperature sensor is open or short-circuited in your Trane Heat Pump: 1. Check the sensor wiring and connections to the main board. 2. Test the resistance of the sensor while disconnected. 3. Replace the main board if needed.
J
Jeffrey DavilaAug 28, 2025
What to do if the indoor coil tube temperature sensor is open or short circuited in my Trane Heat Pump?
- J
  Justin BrownAug 28, 2025
  If the indoor coil tube temperature sensor is open or short-circuited in your Trane Heat Pump: 1. Check the sensor wiring and connections to the main board. 2. Test the resistance of the sensor while disconnected. 3. Replace the main board if needed.
J
jasmine53Sep 3, 2025
What to do if the outdoor coil tube temperature sensor is open or short circuited in my Trane ProSpace PTHG0901GAA?
- M
  Miss Lindsay ClarkSep 3, 2025
  If the outdoor coil tube temperature sensor is open or short-circuited in your Trane Heat Pump: 1. Check the sensor wiring and connections to the main board. 2. Test the resistance of the sensor while disconnected. 3. Replace the main board if needed.

Trane ProSpace PTHG0901GAA Specifications

General

Brand	Trane
Model	ProSpace PTHG0901GAA
Category	Heat Pump
Language	English

Summary

Warnings, Cautions, and Notices

R32 Refrigerant Safety

Unit Operation Safety

Addresses general safety hazards for unit use, including refrigerant and wiring.

Additional Safety Precautions

Personal Protective Equipment (PPE)

Lists required PPE for safe operation and maintenance tasks.

Fire and Electrical Hazards

Warns about fire hazards and electrical safety procedures.

Installation Safety Guidelines

Provides specific safety guidelines for unit installation.

Product Warnings and Information

Cancer and Reproductive Harm Warning

Air Conditioners with Electric Heat

Heat Pumps with Electric Heaters

Electrical

Power Connection Options

Power Cord Protection

Electrical Wiring Diagrams

Wiring Diagrams for 208V/230V and 265V Units

Provides schematics for various voltage configurations of the unit.

System Configuration

DIP Switch Configuration

Auxiliary Controls

Wiring the Wall Thermostat

Energy Management and Self-Checking

Operation

Control Buttons and Functions

Mode Functions

Remote Control Operation

Operating the Remote Control

Care and Cleaning

Air Filter Maintenance

Service Installation Warnings

Refrigerant and Service Procedure Warnings

Safety notes for handling R32 refrigerant and service tasks.

Personal Protective Equipment (PPE) for Service

Reiterates PPE requirements for technicians performing service.

Disassembling the Unit

Component Removal Steps 1-9

Unit Disassembly (Continued)

Component Removal Steps 10-18

Component Removal Steps 26-32

Refrigerant Recovery and Component Removal

Refrigerant Recovery and Component Removal Steps 19-25

Covers refrigerant recovery and removal of major parts.

Troubleshooting and Resources

Digital Display Error Codes

Lists and explains error codes shown on the unit display.

Troubleshooting Error Codes (Continued)

Malfunction Causes and Solutions

Air Conditioner Cannot Be Started

Addresses issues when the unit fails to start.

Poor Cooling Performance

Poor Heating Performance

Fan Motor and Compressor Issues

Troubleshooting for fan motor and compressor malfunctions.

Technician Guidelines and Safety

Technician Aptitude and Supervision

Specifies requirements for personnel performing repairs.

Safety Preparation for Refrigerant Work

Precautions before working with refrigerants.

Fire Prevention and Ventilation

Guidelines for minimizing ignition risks and ensuring ventilation.

Electrical Device Checks and Refrigerant Handling

Electrical Component Checks

Flammable Refrigerant Detection

Methods for detecting leaks of flammable refrigerants.

Refrigerant Leak Detection and System Procedures

Leak Detection Methods and Refrigerant Handling

Removal and Evacuation Procedures

Steps for safely removing and evacuating refrigerant.

Charging Procedures

Decommissioning and Resources

System Decommissioning and Labelling

Refrigerant Recovery and Handling

Best practices for refrigerant recovery and transfer.

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