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Trane Precedent THJ150 User Manual

Trane Precedent THJ150
60 pages
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SAFETY WARNING
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.
December 2022
RT-SVX074A-EN
Installation, Operation, and Maintenance
Packaged Rooftop Air
Conditioners
Precedent™ Cooling and Electric
Heat
High Efficiency
6 to 25 Tons 60 Hz
Model Numbers: THJ072A - THJ300A
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Trane Precedent THJ150 Specifications

General IconGeneral
Model NumberTHJ150
CategoryAir Conditioner
RefrigerantR-410A
Phase3
Compressor TypeScroll
Cooling Capacity150, 000 BTU/h
Voltage208-230V

Summary

Introduction

Warnings, Cautions, and Notices

Defines different types of safety advisories used throughout the manual.

Proper Field Wiring and Grounding

Emphasizes safety and code compliance for electrical connections.

Personal Protective Equipment (PPE)

Details required PPE for safe operation and maintenance.

Follow EHS Policies

Mandates adherence to Environmental, Health, and Safety policies.

Model Number Description

Pre-Installation

Fiberglass Wool Safety

Safety precautions for handling fiberglass wool insulation, including PPE and first aid.

Hazardous Voltage Safety

Critical safety warning regarding electrical hazards and the need to disconnect power before servicing.

Dimensions and Weights

Clearances

Minimum operating and service clearances required for unit installation.

Weights

Table detailing model weights, corner weights, and center of gravity.

Lifting and Rigging

Instructions and safety precautions for lifting and rigging the unit.

Installation

Main Electrical Power Requirements

Critical requirements and procedures for connecting main electrical power.

Electric Heat Requirements

Specific requirements for connecting electric heating elements.

Field Installed Power Wiring

Guidance on wiring the unit's power supply from the field.

Main Unit Power

Procedures for connecting main unit power supply wiring.

Field-Installed Control Wiring

Procedures for installing field wiring for unit controls.

Pre-Start

Voltage Imbalance

Checks for proper voltage balance between three-phase power supply.

Electrical Phasing (Three Phase Motors)

Ensuring correct electrical phasing for three-phase motors.

Unit Start-Up

Compressor Start-Up

Procedures for safely starting up the compressor circuits.

Final System Setup

Final checks and configurations after unit startup.

Maintenance

Coil Cleaning

Procedures for cleaning evaporator and condenser coils.

Microchannel (MCHE) Coils

Specific cleaning recommendations for microchannel coils.

Troubleshooting

Troubleshooting guide

Reference to detailed troubleshooting information.

Wiring Diagrams

Wiring Diagrams

Index of available wiring diagrams for unit components and configurations.

Piping Diagrams

Piping Diagrams

Illustrations of refrigerant piping for various unit configurations.

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