Trane A4HP4024A1000B User Manual

Installer’s Guide
May 2022
88-A4HP4001-1E-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
A4HP4018D1000A A4HP4017A1000B
A4HP4024D1000A A4HP4018A1000B
A4HP4030D1000A A4HP4023A1000B
A4HP4036D1000A A4HP4024A1000B
A4HP4042D1000A A4HP4030A1000B
A4HP4048D1000A A4HP4036A1000B
A4HP4060D1000A A4HP4042A1000B
A4HP4048A1000B
A4HP4060A1000B
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Heat Pumps

Trane A4HP4024A1000B Specifications

General

Model Number	A4HP4024A1000B
Category	Heat Pump
Cooling Capacity (BTU/h)	24000
Heating Capacity (BTU/h)	24000
SEER Rating	16
HSPF Rating	9.0
Voltage (V)	208/230
Phase	1
Refrigerant Type	R-410A
Compressor Type	Scroll
Sound Level (dB)	72
Unit Weight (lbs)	220

Summary

Section 1. Safety

Section 7. Refrigerant Line Brazing

Braze The Refrigerant Lines

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

Section 8. Refrigerant Line Leak Check

Check For Leaks

Procedure for pressurizing lines with nitrogen and checking for leaks.

Section 9. Evacuation

Evacuate the Refrigerant Lines and Indoor Coil

Steps for evacuating the system to the required micron level.

Section 13. Start Up

System Start Up

Step-by-step procedure for powering up and starting the system.

Section 14. System Charge Adjustment

Temperature Measurements

Subcooling Charging in Cooling

Method for subcooling charge adjustment for outdoor temps above 55°F.

Subcooling Charging Below 55° F Outdoor Temp.

Method for charging in heating mode for outdoor temps below 55°F.

Section 15. Checkout Procedures and Troubleshooting

Operational And Checkout Procedures

Checklist for final operational checks and system inspection.

Troubleshooting

Table of system faults and potential causes/checks.