Trane OXBOX J4HP4024A1000AA User Manual

WARNING
These instructions are intended as an aid to qualified
licensed service personnel for proper installation, adjust-
ment and operation of this unit. Read these instructions
thoroughly before attempting installation or operation.
Failure to follow these instructions may result in improper
installation, adjustment, service or maintenance possibly
resulting in fire, electrical shock, property damage,
personal injury or death.
RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION
DO NOT DESTROY THIS MANUAL
Please read carefully and keep in a safe place for future reference by a serviceman.
NOTE: Appearance of unit may vary.
INSTALLATION INSTRUCTIONS
Split System Air Conditioner & Heat Pump
1.5-5 Tons
R410A
14 SEER

Trane OXBOX J4HP4024A1000AA Specifications

General

Model	J4HP4024A1000AA
Type	Heat Pump
Cooling Capacity	24000 BTU/H
Heating Capacity	24000 BTU/H
SEER Rating	14
HSPF Rating	8.2
Voltage	208/230V
Phase	1
Refrigerant	R-410A
Frequency	60 Hz
Fan Speed	Variable

Summary

Key to Symbols and Safety Instructions

Safety Precautions

Lists critical safety warnings and precautions for handling the unit.

Unit Location Considerations

Location Restrictions and Climate Considerations

Refrigerant Line Considerations

Refrigerant Line Routing

Routing Precautions

Advises on routing lines to minimize vibration, noise, and ensure proper access.

Refrigerant Line Brazing

Braze the Refrigerant Lines

Step-by-step guide for brazing refrigerant lines with safety considerations.

Refrigerant Line Leak Check

Check for Leaks

Procedure for pressurizing and checking refrigerant lines for leaks.

Evacuation

Evacuate Refrigerant Lines and Indoor Coil

Instructions for evacuating the system to remove air and moisture.

Service Valves

Open the Service Valves

Detailed procedure and safety warnings for opening service valves.

Electrical - Low Voltage

Low Voltage Hook-up Diagrams

Electrical - High Voltage

High Voltage Power Supply

Safety warnings and requirements for high voltage power connections.

System Start Up

System Start Up Procedure

Step-by-step procedure for safely starting the system after installation.

System Charge Adjustment

Charging: Weigh-In Method

Method for charging the system's refrigerant using weight.

Liquid Line Pressure Charging

Procedure for adjusting refrigerant charge using liquid line pressure in cooling mode.

System Operation and Troubleshooting

Protection Functions (Heat Pump)

Protection Function (Air Conditioner)

Defrost Mode (Heat Pump Only)

Wiring Diagrams

For AC System

For 18-48K HP System

For 60K HP System