Trane A4AC3023A1000A User Manual

Installer’s Guide
April 2020
88-A4AC3001-1C-EN
SAFETY WARNING
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 pre-
cautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
Models
A4AC3018A1000A
A4AC3023A1000A
A4AC3024A1000A
A4AC3029A1000A
A4AC3030A1000A
A4AC3036A1000A
A4AC3042A1000A
A4AC3043A1000A
A4AC3048A1000A
A4AC3060A1000A
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Condensing Units

Trane A4AC3023A1000A Specifications

General

Model	A4AC3023A1000A
Type	Heat Pump
Cooling Capacity (BTU/H)	23000
Cooling Capacity (Ton)	1.92
Heating Capacity (BTU/H)	24000
Heating Capacity (Ton)	2
SEER Rating	Up to 14
HSPF Rating	Up to 8.2
Refrigerant	R-410A
Voltage	208/230
Phase	1

Summary

SAFETY WARNING

General Safety Precautions

General safety warning for qualified personnel installing HVAC equipment.

Section 1. Safety

R-410A Refrigerant Handling & Safety

Details on R-410A refrigerant, its higher pressures, POE oil, and handling precautions.

Electrical and Component Safety Warnings

Warnings regarding live electrical components, hot compressor domes, and joint integrity.

Section 5. Refrigerant Line Considerations

Refrigerant Line & Service Valve Sizes

Factory Refrigerant Charge Information

Factory Refrigerant Charge Information

Explains the factory refrigerant charge and the need to verify it.

Calculating Required Refrigerant Line Length

Vapor Line Insulation Importance

Emphasizes the importance of insulating the vapor line and preventing contact between lines.

Section 7. Refrigerant Line Brazing

Brazing Refrigerant Lines Procedure

Step-by-step instructions for preparing and brazing refrigerant lines.

Section 8. Refrigerant Line Leak Check

Performing a Refrigerant Line Leak Test

Procedure for pressurizing lines with nitrogen and checking for leaks using soapy solution.

Section 9. Evacuation

Evacuating Refrigerant Lines and Coil

Section 11. Electrical – Low Voltage

Section 12. Electrical – High Voltage

High Voltage Power Supply Requirements

Section 13. Start Up

System Start-Up Procedure

Section 14. System Charge Adjustment

Temperature Measurements for Charging

Subcooling Charging Above 55°F

Details the subcooling method for charging systems in cooling mode above 55°F.

Subcooling Charging Below 55°F

Subcooling Charging Below 55°F

Explains the recommended charging method (weigh-in) for temperatures below 55°F.

Section 15. Checkout Procedures and Troubleshooting

Post-Installation Checkout List

System Troubleshooting Guide

System Troubleshooting Guide

Provides a flowchart for diagnosing and resolving common system issues and faults.