Trane ComfortLink II 4TWL9060A1000B 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.
October 2021
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Variable Speed ComfortLink™™ II
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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4TWL9048A1COTB
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Installer’s Guide

Trane ComfortLink II 4TWL9060A1000B Specifications

General

Brand	Trane
Model	ComfortLink II 4TWL9060A1000B
Category	Air Conditioner
Language	English

Summary

Safety Section

Hazardous Voltage and Electrical Safety

Warnings about hazardous voltage, electrical hazards, and grounding requirements.

Refrigerant and Material Handling Precautions

Guidelines for handling refrigerants, oils, and specific material warnings.

Additional Electrical Hazards

Refrigerant Line Brazing

Brazing Procedure Steps

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

Refrigerant Line Leak Check

Leak Detection and Evacuation

Procedures for checking refrigerant lines for leaks and performing system evacuation.

Electrical – High Voltage

High Voltage Power Supply and Disconnect

Start Up Procedures

System Startup Sequence

System Charge Adjustment

Temperature Measurements and Corrections

Procedures for measuring temperatures and applying subcooling corrections for system charge.

Charging and Correction Charts

Subcool Charging Correction Charts

Charging the Unit

Stabilizing System and Gage Pressure

Subcooling Charging Below 55° F

Heating Mode Charging Procedure

Checkout Procedures

Final Installation Checklist

A comprehensive list of checks to ensure proper installation and system readiness.