Trane ComfortLink II 4TWV8X60A1000A 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.
September 2021
1188--BBCC110066DD11--11CC--EENN
TRANE Link or ComfortLink™™ II
Variable Speed Heat Pumps and Air Conditioners
4TWV8X24A1000A
4TWV8X36A1000A
4TWV8X48A1000A
4TWV8X60A1000A
4TTV8X24A1000A
4TTV8X36A1000A
4TTV8X48A1000A
4TTV8X60A1000A
TM
The Diagnostics Mobile App is available by scanning a QR
code located inside this unit or by searching for the Link
Diagnostics App in your App Store
® .
NNoottee:: “Graphics in this document are for representation only. Actual
model may differ in appearance.”
NNoottee:: This unit can be used in Comfortlink
™ II (“clii”) mode or Link
mode.
Installer’s Guide

Trane ComfortLink II 4TWV8X60A1000A Specifications

General

Brand	Trane
Model	ComfortLink II 4TWV8X60A1000A
Category	Air Conditioner
Language	English

Summary

Installer's Guide Safety Warning

Safety Section

Hazardous Voltage Warning

Warning regarding severe personal injury or death from hazardous voltage.

Refrigerant Oil Warning

Warning about severe personal injury or death from refrigerant oil exposure.

Contains Refrigerant Caution

Caution regarding high pressure refrigerant and potential injury.

Grounding Required Caution

Requirement for proper grounding of electrical components.

Service Valves Warning

Warning about abrupt release of system charge when servicing valves.

Brazing and Leak Test Warning

Warning for brazing mechanical connections and leak testing.

High Leakage Current Warning

Warning about severe injury or death from high leakage current.

Electrical Hazard Warnings

400 Volts Electrical Hazard

Critical warning about severe injury or death from 400VDC electrical hazard.

Refrigerant Line Brazing

Prepare and Braze Refrigerant Lines

Steps for preparing and brazing refrigerant lines, including purging.

Braze Lines and Replace Cores

Procedures for brazing lines, handling heat, and replacing valve cores.

Refrigerant Line Leak Check

Checking for Leaks with Nitrogen

Pressurizing lines with nitrogen and checking for leaks with solution.

Refrigerant Line and Indoor Coil Evacuation

Evacuation Process with Micron Gauge

Evacuating the system to 350 microns and verifying completion.

Service Valves

Open the Gas Service Valve

Procedure for opening the gas service valve to the fully open position.

Open the Liquid Service Valve

Start Up

Pre-Start Up Checks

Initial System Setup

Charging Mode-Cooling Test

Using test mode for setting system charge level via subcooling.

System Charge Adjustment

Temperature Measurements for Charging

Subcooling Charging Corrections Worksheet

Worksheet to calculate subcooling corrections based on line length and lift.

Charging the Unit

Proper Gage Pressure Adjustment

Adjusting refrigerant level to attain proper gage pressure using charts.

Stabilize the System

Verify Performance and Record Information

Subcooling Charging Below 55° F Outdoor Temp. (In Heating Only)

Determine Additional Charge (Weigh-In Method)

Calculating additional charge using weigh-in method for low temps.

Stabilize System and Check Subcooling

Checkout Procedures

Final Installation Checks

Comprehensive checklist for final installation verification.