Trane OXBOX J4AH4P18A1A00AA User Manual

INSTALLATION INSTRUCTIONS
AIR HANDLERS
WARNING
These instructions are intended as an aid to qualified licensed
service personnel for proper installation, adjustment and
operation of this unit. Read these instructions thoroughly before
attempting installation or operation. Failure to follow these
instruction 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.
1.5-5Tons J4AH4P SERIES
FEATURING R410A OR R22 REFRIGERANT
HIGH EFFICIENCY
BX-SVN-J4AH4P-1A-EN

Trane OXBOX J4AH4P18A1A00AA Specifications

General

Cooling Capacity	18, 000 BTU/h
SEER Rating	Up to 14 SEER
Refrigerant Type	R-410A
Voltage	208/230 V
Phase	1
Operating Ambient Temperature	Up to 115°F
HSPF Rating	Not Applicable
Warranty	10-Year Limited Warranty

Summary

1. SAFETY

2. GENERAL

2.1 UNIT DIMENSIONS

Provides detailed physical dimensions and weight for various model sizes.

3 APPLICATIONS

3.1 VERTICAL UPFLOW

Details on configuring the air handler for vertical upflow installation.

3.2 VERTICAL DOWNFLOW

Instructions for converting the unit to a vertical downflow configuration.

3.3 HORIZONTAL

Guidance on horizontal installation, including right and left configurations.

3.4 INSTALLATION IN AN UNCONDITIONED SPACE

Specific considerations for installing the air handler in unconditioned spaces.

4. ELECTRICAL WIRING

4.1 POWER WIRING

Guidelines for connecting main power supply to the unit.

4.2 CONTROL WIRING

Instructions for making low-voltage control wiring connections.

4.3 GROUNDING

Essential procedures for safely grounding the air handler unit.

4.4 ELECTRICAL DATA

Presents electrical specifications, voltage, amperage, and circuit protection data.

4.5 ELECTRIC KIT MCA/MOP DATA

Details on minimum circuit ampacity and maximum overcurrent protection for electric heater kits.

5. AIRFLOW PERFORMANCE

6.DUCTWORK

7.REFRIGERANT CONNECTIONS

7.1 CONDENSATE DRAIN TUBING

Instructions for proper installation and routing of condensate drain lines.

8. AIR FILTER (not factory-installed)

9. FILTER INSTALLATION DIMENSIONS

AIR FILTER REMOVAL

Step-by-step guide for removing, cleaning, and installing air filters.

10.WIRING DIAGRAM