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Trane Precedent THJ072A User Manual

Trane Precedent THJ072A
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 THJ072A Specifications

General IconGeneral
ModelTHJ072A
CategoryAir Conditioner
Compressor TypeScroll
Refrigerant TypeR-410A
Voltage208/230V
Phase1
Cooling Capacity72, 000 BTU/h

Summary

General Information

Unit Inspection

Inspect unit for shipping damage and verify components upon receipt.

System Input Devices and Functions

Explains zone sensors, thermostats, and other inputs for unit operation.

Zone Sensors and Thermostats

Describes various sensors and thermostats for unit control.

Dimensions and Weights

Dimensional Data

Provides physical measurements and layout of unit components.

Clearances

Minimum operating and service space requirements for installation.

Lifting and Rigging

Safe procedures and equipment for lifting and moving the unit.

Installation

Roof Curb

Instructions for installing the roof curb for unit support.

Main Electrical Power Requirements

Setup for unit power supply, wiring, and grounding.

Condensate Drain Configuration

Procedures for setting up the condensate drain system.

Pre-Start

Voltage Imbalance and Phasing

Checks for proper voltage supply and phase sequence.

Compressor Crankcase Heaters

Ensuring crankcase heaters operate correctly to prevent oil foaming.

Unit Start-Up

Compressor Start-Up

Procedures for starting and testing compressors.

Final System Setup

Final checks after startup, including controls and panels.

Maintenance

Monthly Maintenance

Regular checks and actions performed monthly.

Coil Cleaning

Procedures for cleaning evaporator and condenser coils for efficiency.

Annual Maintenance

Comprehensive checks and cleaning performed annually.

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