Trane 4TTM3024A User Manual

18-AC78D1-6
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 information
pack upon completion of work.
Condensing Units
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with the in-
stallation. 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 manufac-
turer’s split systems are A.H.R.I. rated only with TXV indoor systems. Some of the benefits of installing approved matched
indoor and outdoor split systems are maximum efficiency, optimum performance and the best overall system reliability.
4TTM3018 through 4TTM3060
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 ............................................................ 7
Section 7. Refrigerant Line Brazing ............................................................. 8
Section 8. Refrigerant Line Leak Check .................................................. 10
Section 9. Evacuation ....................................................................................... 11
Section 10. Service Valves .............................................................................. 11
Section 11. Electrical - Low Voltage ........................................................... 12
Section 12. Electrical - High Voltage .......................................................... 14
Section 13. Start Up ........................................................................................... 15
Section 14. System Charge Adjustment.................................................. 16
Section 15. Checkout Procedures and Troubleshooting ................ 24
Section 16. Independent Charge Verification ....................................... 26

Trane 4TTM3024A Specifications

General

Brand	Trane
Model	4TTM3024A
Category	Industrial Equipment
Language	English

Summary

Section 1. Safety

General Installation and Electrical Safety

Covers warnings for installers regarding electrical, refrigerant, and component handling safety.

Refrigerant and Component Handling Safety

Section 7. Refrigerant Line Brazing

Step-by-Step Brazing Instructions

Detailed procedure for preparing and brazing refrigerant lines to service valves and filter drier.

Section 8. Refrigerant Line Leak Check

Leak Detection Method

Section 9. Evacuation Process

System Vacuum Requirements

Section 10. Service Valves

Section 12. Electrical - High Voltage

High Voltage Power Supply and Grounding

Covers requirements for high voltage power supply, disconnect switches, and proper grounding.

Section 13. System Start Up

System Start Up Sequence

Section 14. System Charge Adjustment

New Charging Procedure Overview

Explains the new subcooling-free charging method using temperature and pressure measurements.

Section 14 (cont.) Charge Adjustment Steps

Adding, Removing, and Verifying Charge

Covers adding/removing charge, verifying settings, and recording system information.

Section 15. Checkout Procedures and Troubleshooting

System Faults and Troubleshooting Guide

A table correlating system faults with primary and secondary causes for diagnosis.

Section 16. Independent Charge Verification

Charge Verification Steps and Worksheet

Detailed procedure and worksheet for independently verifying the system's refrigerant charge accuracy.