Trane ProSpace PTHG0902GAA 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:

A
Anthony WilsonAug 10, 2025
What to do if my Trane ProSpace PTHG0902GAA is losing refrigerant or has a sensor issue?
- M
  Matthew RamirezAug 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.
M
morrismarkAug 15, 2025
What to do if the outlet air temperature sensor fails in my Trane Heat Pump?
- J
  Jorge ObrienAug 16, 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.
R
Ronald KellyAug 22, 2025
What to do if the indoor ambient temperature sensor is open or short-circuited in my Trane ProSpace PTHG0902GAA Heat Pump?
- T
  Thomas WatkinsAug 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
jillian46Aug 27, 2025
What to do if the indoor coil tube temperature sensor is open or short circuited in my Trane Heat Pump?
- D
  drichardsAug 27, 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.
L
Leslie GarrettSep 3, 2025
What to do if the outdoor coil tube temperature sensor is open or short circuited in my Trane ProSpace PTHG0902GAA?
- K
  Kirk Stephenson MDSep 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 PTHG0902GAA Specifications

General

Type	Packaged Terminal Heat Pump
Voltage	208/230 V
Phase	1
Refrigerant	R-410A
SEER Rating	15
Cooling Capacity	9000 BTU/h

Summary

Warnings, Cautions, and Notices

Responsible Refrigerant Practices

Outlines responsible practices for refrigerant management.

Unit Specific Safety Warnings

Highlights critical safety warnings specific to the unit's operation.

Personal Protective Equipment (PPE)

Mandates and details required PPE for safe work.

General Safety Precautions

Lists essential safety measures for installation and operation.

Fire Hazard Warning

Alerts about the flammability risk of refrigerants.

Cancer and Reproductive Harm Warning

Air Conditioners with Electric Heat

Heat Pumps with Electric Heaters

Electrical

General Installation Requirements

Electrical Wiring Diagrams

Installation

System Configuration

Operation

Control Panel Functions

Cooling Mode Functions

Heating Mode Functions

Remote Control Operation

Instructions for using the wireless remote control.

Service Installation

Refrigerant Safety Warning

Warning about R32 refrigerant flammability and handling.

Service Procedure Precautions

Precautions for performing service safely.

Electrical and Voltage Hazards

Warnings about electrical hazards during service.

PPE for Service Work

Reinforces PPE requirements for service technicians.

Disassembling the Unit

Recover Refrigerant Warning

Critical warning to recover refrigerant before proceeding.

Troubleshooting and Resources

Digital Display Error Codes

Continues listing digital display error codes and troubleshooting steps.

Malfunction Causes and Solutions

Provides a table of common malfunctions and their solutions.

Technician Safety Guidelines

Requirements and precautions for qualified technicians.

Refrigerant Safety Preparation

Safety checks before working with flammable refrigerants.

Electrical Device Checks

Sealed Component Repair

Guidelines for repairing sealed refrigerant components.

Flammable Refrigerant Detection

Methods for detecting flammable refrigerant leaks safely.

Refrigerant Removal and Evacuation

Procedures for removing and evacuating refrigerant safely.

Refrigerant Charging Procedures

Requirements for safely charging refrigerant into the system.

Unit Decommissioning

Refrigerant Recovery Best Practices

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