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Trane 4TTX5030A1000A User Manual

Trane 4TTX5030A1000A
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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
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Trane 4TTX5030A1000A Specifications

General IconGeneral
Model Number4TTX5030A1000A
CategoryAir Conditioner
TypeSplit System
SEER Rating16
HSPF RatingNot Applicable
RefrigerantR-410A
Voltage208/230V
Phase1
Frequency60 Hz
Cooling Capacity30000 BTU
Compressor TypeScroll
Indoor Unit CompatibilityTrane Air Handlers and Coils

Summary

Safety Warnings and Precautions

General Safety Warnings

Important safety precautions for installation, operation, and service.

Unit Location Considerations

Unit Dimensions and Weight Specifications

Provides dimensions and estimated weights for different condensing unit models.

Refrigerant Piping Length and Vertical Limits

Details maximum refrigerant line length and vertical change limits.

Optimal Unit Location Guidelines

Guidelines for optimal outdoor unit placement to ensure airflow and minimize noise.

Coastal Installation Considerations

Recommendations for units installed near salt water environments.

Unit Preparation and Setting

Unit Preparation Steps

Steps for unpacking and preparing the unit for installation.

Support Pad Installation Requirements

Guidelines for selecting and installing a proper support pad for the unit.

Refrigerant Line Considerations

Refrigerant Line and Valve Sizes

Specifies line and valve connection sizes for various unit models.

Factory Refrigerant Charge Information

Information on factory refrigerant charge and when adjustments are needed.

Vapor Line Insulation Requirements

Emphasizes insulation for the vapor line and preventing metal-to-metal contact.

Retrofit: Reuse of Refrigerant Lines

Precautions for using existing refrigerant lines in retrofit applications.

Refrigerant Line Routing

Refrigerant Line Routing and Isolation

Guidelines for routing refrigerant lines to prevent noise and ensure proper installation.

Refrigerant Line Brazing Procedure

Braze The Refrigerant Lines

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

Brazing Details and Heat Protection

Continues brazing instructions, including nitrogen purge and heat damage prevention.

Refrigerant Line Leak Check

Refrigerant Line Leak Detection

Procedure for leak checking refrigerant lines using nitrogen and soapy solution.

System Evacuation and Service Valves

System Evacuation Procedure

Steps for evacuating the system to achieve a deep vacuum using a micron gauge.

Opening the Gas Service Valve

Instructions for opening the gas service valve, ensuring prior completion of leak check and evacuation.

Opening the Liquid Service Valve Safely

Cautions and steps for opening the liquid line service valve safely.

Low Voltage Electrical Connections

Low Voltage Wiring Length Limits

Table detailing maximum wire lengths for low voltage wiring based on gauge.

Low Voltage Wiring: Air Handler

Wiring diagram for connecting an air handler to the outdoor unit.

Low Voltage Wiring: Variable Speed Furnace

Wiring diagram for connecting a variable speed furnace to the outdoor unit.

Low Voltage Wiring: Communicating 24V Control

Wiring diagram for communicating systems with 24V control.

Low Voltage Wiring: Communicating Mode

Wiring diagram for communicating systems in comm. mode.

Low Voltage Wiring: AM7 Air Handler

Wiring diagram for AM7 air handler connections.

Low Voltage Wiring: GAM5 Air Handler

Wiring diagram for GAM5 air handler connections, including notes on wiring.

High Voltage Electrical Connections

High Voltage Power Supply Safety

Safety warnings and requirements for high voltage power supply connections.

High Voltage Disconnect Switch Requirement

Requirement to install a separate disconnect switch for high voltage.

High Voltage Grounding Procedure

Instructions for grounding the outdoor unit according to codes.

System Start Up

System Start-Up Checklist

Step-by-step procedure for starting up the installed system.

System Charge Adjustment

Temperature Measurements for Charging

Guidance on measuring outdoor and indoor temperatures for charging.

Subcooling Charging: Line Length and Lift

Instructions to measure line length and lift for subcooling calculations.

Subcooling Correction Charts

Charts used to determine subcooling corrections based on line length and lift.

System Stabilization for Charging

Requirement to stabilize the system before making charge adjustments.

Measure Liquid Line Temp and Pressure

Steps to measure liquid line temperature and pressure at the service valve.

Determine Gage Pressure via Charging Chart

Using measured values and a chart to find the correct liquid gage pressure.

Refrigerant Level Adjustment

Procedure for adding or recovering refrigerant to match chart values.

System Stabilization Post-Adjustment

Steps to stabilize the system after adjusting refrigerant levels.

Verify System Performance

Guidance to refer to Service Facts for verifying system performance.

Record System Performance Data

Instructions to record system pressures and temperatures after charging.

Checkout Procedures and Troubleshooting

Operational and Checkout Procedures

Final inspection and checklist for ensuring proper system operation.

Troubleshooting System Faults and Causes

A chart listing system faults and their primary/secondary causes.

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