Trane 4TWX7060E User Manual

18-BC109D1-1A-EN
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service informa-
tion pack upon completion of work.
Heat Pumps
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently for the
purchaser’s purposes, the matter should be referred to your installing dealer or local distributor.
Note: The manufacturer recommends installing only approved matched indoor and outdoor systems. All of the manufacture’s split
systems are AHRI rated only with TXV/EEV indoor systems. Some of the benefits of installing approved matched indoor and out-
door split systems are maximum efficiency, optimum performance and the best overall system reliability.
4TWX7
Installer’s Guide
Table of Contents
Section 1. Safety ..................................................................................... 2
Section 2. Unit Location Considerations ............................................. 3
Section 3. Unit Preparation.................................................................... 5
Section 4. Setting the Unit ..................................................................... 5
Section 5. Refrigerant Line Considerations ......................................... 6
Section 6. Refrigerant Line Routing ..................................................... 8
Section 7. Refrigerant Line Brazing ...................................................... 9
Section 8. Refrigerant Line Leak Check ............................................. 11
Section 9. Evacuation .......................................................................... 12
Section 10. Service Valves .................................................................. 12
Section 11. Electrical - Low Voltage ................................................... 13
Section 12. Electrical - High Voltage .................................................. 15
Section 13. Start Up.............................................................................. 16
Section 14. System Charge Adjustment............................................. 17
Section 15. Checkout Procedures and Troubleshooting .................. 23

Trane 4TWX7060E Specifications

General

Model Number	4TWX7060E
Category	Heat Pump
Cooling Capacity (BTU/h)	60000
Heating Capacity (BTU/h)	60000
SEER Rating	16
HSPF Rating	Up to 9.5
Refrigerant Type	R-410A
Voltage (V)	208/230
Phase	1
Compressor Type	Scroll

Summary

Safety

General Safety Warnings and Precautions

Covers warnings for electrical, refrigerant, and general installation safety.

Refrigerant Line Considerations

Refrigerant Line and Valve Connection Sizes

Refrigerant Line Brazing

Procedure for Brazing Refrigerant Lines

Detailed steps for preparing, purging, and brazing refrigerant lines.

Refrigerant Line Leak Check

Performing Refrigerant Line Leak Detection

Method for pressurizing lines with nitrogen and checking for leaks using a soapy solution.

Evacuation

Evacuating Refrigerant Lines and Indoor Coil

Procedure for system evacuation to a specific micron level using a vacuum pump.

Electrical - Low Voltage

Low Voltage Wiring Diagrams

Electrical - High Voltage

High Voltage Power Supply Requirements

Start Up

System Initial Start Up Guide

Step-by-step guide for powering on the system, setting the thermostat, and initial operation.

System Charge Adjustment

Subcooling Charging Method (Above 55°F Outdoor)

Method for charging using subcooling calculations for warmer outdoor temperatures.

Weigh-In Charging Method (Below 55°F Outdoor)

Method for charging by weight for colder outdoor temperatures.

Checkout Procedures and Troubleshooting

Final Installation Checkout Checklist

System Fault Diagnosis and Troubleshooting

Guide to identifying system faults and their primary/secondary causes.