Trane A4AC3048A1000A - User Manual

Installer’s Guide
April 2020
88-A4AC3001-1C-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
A4AC3018A1000A
A4AC3023A1000A
A4AC3024A1000A
A4AC3029A1000A
A4AC3030A1000A
A4AC3036A1000A
A4AC3042A1000A
A4AC3043A1000A
A4AC3048A1000A
A4AC3060A1000A
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Condensing Units

Trane A4AC3048A1000A Specifications

General

Model	A4AC3048A1000A
Type	Air Conditioner
Cooling Capacity	4 Tons
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Frequency	60 Hz
Airflow	1600 CFM
Stages	Single

Summary

Installers Guide Introduction

Critical Safety Warning

Highlights essential safety information for installers before starting.

Safety Precautions

General Safety Warnings and Cautions

Details hazardous conditions and necessary precautions during installation and service.

Refrigerant Line Considerations

Refrigerant Line Brazing

Brazing Refrigerant Lines

Refrigerant Line Leak Check

Performing a Leak Check

Procedure for pressurizing and checking refrigerant lines for leaks.

Evacuation and Service Valves

Evacuating Refrigerant Lines and Coil

Steps for evacuating the system to the required vacuum level.

Opening Service Valves

Electrical - Low Voltage

Low Voltage Hook-up Diagrams

Electrical - High Voltage

High Voltage Power Supply Requirements

Guidelines for connecting the high voltage power supply.

High Voltage Disconnect Switch

High Voltage Grounding

System Start Up

System Start Up Procedure

Step-by-step guide to powering on and starting the system.

System Charge Adjustment

Subcooling Charging (Above 55° F Outdoor Temp.)

Method for charging based on subcooling at higher outdoor temperatures.

Subcooling Charging (Below 55° F Outdoor Temp.)

Checkout Procedures and Troubleshooting

Operational and Checkout Procedures

Checklist for final system inspection and operational verification.

Troubleshooting Common Issues

Diagnostic flowcharts and tables for identifying and resolving faults.