Trane Technologies 4TWL5042N1000A User Manual

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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 precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
June 2022
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Side Discharge HP Models
For coastal applications where units are installed within one (1) mile of salt water, epoxy coated models are recommended. These models
have an 8 week lead time after order.
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4TWL5030N1COTA
4TWL5036N1COTA
4TWL5042N1COTA
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Installer’s Guide

Trane Technologies 4TWL5042N1000A Specifications

General

Brand	Trane Technologies
Model	4TWL5042N1000A
Category	Air Conditioner
Language	English

Summary

Side Discharge HP Models

Safety Warning

General safety precautions for installation and servicing of HVAC equipment.

SAFETY SECTION

Hazardous Voltage and Refrigerant Safety

Safety warnings regarding electrical hazards and refrigerant handling.

Hot Surface and Grounding Precautions

Cautions about hot surfaces and the importance of proper grounding.

Service Valve and Brazing Safety

Safety instructions for handling service valves and brazing connections.

Refrigerant Line Brazing

Brazing Process Steps

Step-by-step instructions for brazing refrigerant lines, including preparation and purging.

Refrigerant Line Leak Check

Leak Check Procedure

Refrigerant Line and Indoor Coil Evacuation

Evacuation Process

Subcooling Charging in Cooling

Subcooling Charging Method

Recommended method for charging the system using subcooling in cooling mode above 55°F ambient.

System Charge Adjustment

Subcooling Charging Correction Worksheet

Refrigerant Charging Chart

Subcool Charging Charts

Checkout Procedures

Installation Checkout Checklist

Troubleshooting - Compressor Start Issues

Troubleshooting - Compressor Running Issues