Trane 4TTX5036A1000A User Manual

18-AC74D1-4
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.
Condensing Units
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 A.H.R.I. rated only with TXV/EEV 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.
4TTX5018A–060A, 049E
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 .................................................... 13
Section 12. Electrical - High Voltage ................................................... 16
Section 13. Start Up .............................................................................. 17
Section 14. System Charge Adjustment ............................................. 18
Section 15. Checkout Procedures and Troubleshooting ................... 22

Trane 4TTX5036A1000A Specifications

General

Brand	Trane
Model	4TTX5036A1000A
Category	Air Conditioner
Language	English

Summary

Safety Precautions

Unit Location Considerations

Unit Dimensions and Weight

Details unit dimensions (H x D x W) and estimated weights for various models.

Refrigerant Piping Limits

Specifies maximum refrigerant line length and vertical change limits.

Suggested Locations for Best Reliability

Provides guidance on optimal outdoor unit placement for performance and service.

Coastal Installation Considerations

Addresses requirements for units installed near salt water environments.

Unit Preparation

Preparing the Unit for Installation

Outlines steps for inspecting the unit and removing it from packaging.

Setting the Unit

Pad Installation Guidelines

Provides criteria for selecting and installing a proper support pad for the unit.

Refrigerant Line Considerations

Line and Service Valve Connection Sizes

Lists line sizes and service valve connection sizes for different unit models.

Factory Refrigerant Charge

Explains factory charge details and when adjustments are necessary.

Required Refrigerant Line Length and Lift

Guides on determining necessary refrigerant line length and vertical change (lift).

Refrigerant Line Insulation Requirements

Emphasizes insulating the vapor line and preventing metal-to-metal contact.

Reusing Existing Refrigerant Lines

Provides precautions for using existing refrigerant lines in retrofit applications.

Refrigerant Line Routing

Refrigerant Line Routing Precautions

Details methods to prevent noise transmission and secure refrigerant lines properly.

Refrigerant Line Brazing

Brazing Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines to service valves.

Refrigerant Line Leak Check

Performing Refrigerant Line Leak Checks

Describes the process of pressurizing and checking lines for leaks using nitrogen.

System Evacuation

Evacuating Lines and Indoor Coil

Explains the procedure for evacuating the system to required micron levels.

Service Valve Operation

Opening Gas Service Valve

Details how to safely open the gas service valve.

Opening Liquid Service Valve

Outlines the cautious procedure for opening the liquid service valve.

Low Voltage Electrical Connections

Low Voltage Wire Length Limits

Defines the maximum allowable lengths for low voltage wiring based on gauge.

Low Voltage Hook-up Diagrams

Illustrates wiring connections for air handlers and furnaces to the outdoor unit.

High Voltage Electrical Connections

High Voltage Power Supply Requirements

Covers power supply requirements and compliance with codes.

High Voltage Disconnect Switch Installation

Advises on installing a separate disconnect switch for high voltage.

High Voltage Grounding

Specifies grounding requirements for the outdoor unit.

System Start-Up Procedure

System Start-Up Steps

Lists the sequential steps to properly start up the installed system.

System Charge Adjustment

Temperature Measurements for Charging

Explains how to measure temperatures for system charging.

Subcooling Charging in Cooling Mode

Details the subcooling method for adjusting refrigerant charge in cooling mode.

Checkout and Troubleshooting

Operational and Checkout Procedures

Provides a checklist for final system inspection and operational verification.

System Troubleshooting Guide

Offers a guide to diagnose and resolve common system faults and issues.