Trane OXBOX J4HP4048A1000AA 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 J4HP4048A1000AA Specifications

General

Model	J4HP4048A1000AA
Type	Heat Pump
Cooling Capacity	4 Tons
HSPF Rating	8.2 HSPF
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Compressor Type	Scroll
Operating Ambient Temperature	Up to 115°F
Sound Level (Outdoor Unit)	76 dB
SEER Rating	14 SEER

Summary

Key to Symbols and Safety Instructions

Electrical, Refrigerant & Equipment Safety

Covers warnings for hazardous voltage, refrigerant, hot surfaces, grounding, valves, and brazing.

Unit Location and Airflow Considerations

Location Restrictions and Airflow

Details clearance requirements and placement for optimal airflow and noise reduction.

Unit Preparation and Setup

Pre-installation Checks and Tools

Outlines essential pre-installation steps including damage checks and tool requirements.

Pad Installation Guidelines

Specifies requirements for installing the unit on a support pad for stability and drainage.

Refrigerant Line Considerations

Refrigerant Line Routing

Routing Precautions

Advises on preventing noise transmission and ensuring proper line routing within the structure.

Refrigerant Line Leak Check & Evacuation

Leak Check Procedure

Details the process of pressurizing lines with nitrogen and checking for leaks.

Evacuation Process

Explains how to evacuate the refrigerant lines and indoor coil to a specific micron level.

Refrigerant Line Brazing

Braze Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines to service valves using dry nitrogen.

Electrical - High Voltage

High Voltage Power Supply

Warns about live electrical components and requirements for high voltage power supply.

System Start Up and Charging

System Start Up Procedures

Weigh-In Charging Method

Refrigerant Charge Adjustment

Liquid Line Pressure Charging

Describes the method for adjusting refrigerant charge using liquid line pressure in cooling mode.

System Operation and Troubleshooting

Protection Functions (Heat Pump)

Details various protection mechanisms for the heat pump system.

Defrost Mode Operation

Troubleshooting System Faults

Refrigerant Circuit Faults

Electrical System Faults

Checkout Procedures

System Checkout List