Trane OXBOX J4AC4030A1000AA 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 J4AC4030A1000AA Specifications

General

Brand	Trane
Model	OXBOX J4AC4030A1000AA
Category	Air Conditioner
Language	English

Summary

Key to Symbols and Safety Instructions

Safety Precautions

Details critical safety warnings, precautions, and general advice for installation.

Unit Location Considerations

Location Restrictions

Details site requirements for outdoor unit placement, including airflow.

Refrigerant Line Considerations

Service Valve Connection Sizes

Specifies correct sizes for suction and liquid line connections.

Refrigerant Line Sizes

Details recommended sizes for refrigerant lines.

Refrigerant Piping Limits

Outlines maximum equivalent and vertical lengths for piping.

Refrigerant Line Insulation

Instructions for insulating refrigerant lines.

Refrigerant Line Brazing

Braze the Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines.

Refrigerant Line Leak Check

Check for Leaks

Procedure for pressurizing lines and checking for leaks.

Evacuation

Evacuate Refrigerant Lines and Indoor Coil

Service Valves

Open the Service Valves

Electrical - High Voltage

High Voltage Power Supply

Safety warnings and compliance for high voltage power.

System Charge Adjustment

Charging: Weigh-In Method

Procedure for charging the system using the weigh-in method.

Liquid Line Pressure Charging

Method for adjusting charge based on liquid line pressure.

System Operation and Troubleshooting

Compressor Crankcase Heater

Reversing Valve Operation

Protection Functions (Heat Pump)

Protection Functions (Air Conditioner)

Defrost Mode (Heat Pump)

Troubleshooting Table

Wiring Diagrams

AC System Wiring Diagram

Heat Pump System Wiring

18-48K HP System Wiring

60K HP System Wiring