Trane ComfortLink II 4TTV8X36A1000A 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 4TTV8X36A1000A Specifications

General

Brand	Trane
Model	ComfortLink II 4TTV8X36A1000A
Category	Air Conditioner
Language	English

Summary

Installer's Guide Introduction

Safety Warning

Critical safety precautions for installation and servicing personnel.

Safety Section

Hazardous Voltage Warning

Warning about severe injury or death from electrical hazards.

Refrigerant and Oil Safety

Precautions for handling refrigerant, oil, and system pressure.

Grounding and Service Valve Safety

Requirements for proper grounding and caution when using service valves.

High Leakage Current Warning

Warning about high leakage current and earth connection requirements.

400 Volts Electrical Hazard

Electrical Safety Precautions

Specific warning about 400 VDC electrical hazard and safe handling procedures.

Unit Location Considerations

Refrigerant Line and Service Valve Connection Sizes

Refrigerant Line Considerations

Refrigerant Line Brazing

Brazing Procedures

Step-by-step instructions for preparing and brazing refrigerant lines.

Refrigerant Line Leak Check

Checking for Leaks

Refrigerant Line and Indoor Coil Evacuation

Evacuation Procedure

Steps for evacuating the refrigeration system to remove air and moisture using a micron gauge.

Electrical - Low Voltage Communicating

Low Voltage Wiring Specifications

Electrical - High Voltage

High Voltage Power Supply and Disconnect

Start Up

Start-Up Procedures

Steps for powering up the unit, initial checks, and entering test modes.

System Charge Adjustment

Temperature Measurements and Corrections

Subcool Charging Correction Charts

Refrigerant Charging Chart

R-410A Refrigerant Charging Chart

Charging the Unit

Charging the Unit Procedures

Steps for proper gage pressure, stabilization, and performance verification.

Checkout Procedures

Final System Checks

Comprehensive checklist for final installation verification, including wiring, airflow, and safety.