Trane Precedent WSJ300 - User Manual

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
PKGP-SVX010A-EN
Installation, Operation, and Maintenance
Packaged Rooftop Air
Conditioners
Precedent™ Heat Pump
Standard Efficiency
12.5 to 25 Tons — 60 Hz
Model Numbers: WSJ150A - WSJ300A

Trane Precedent WSJ300 Specifications

General

Model	WSJ300
Category	Air Conditioner
Refrigerant	R-410A
Compressor Type	Scroll
Warranty	compressor

Summary

Introduction

Safety Advisories and Warnings

Describes safety advisories, cautions, and notices.

Field Wiring and PPE Requirements

Details safety for electrical wiring and personal protective equipment.

EHS Policies and Compliance

General Information

Unit Inspection and Storage

System Controls and Sensors

Overview of control inputs, zone sensors, thermostats, and temperature sensors.

Safety and Monitoring Systems

Pre-Installation

Fiberglass Wool Handling Precautions

Safety measures for working with fiberglass.

Hazardous Voltage and Heater Inspection

Safety warnings and heater element checks.

Clearances

Weights

Lifting and Rigging

Lifting and Rigging Safety Warnings

Safety precautions for lifting and rigging units.

Installation

Safety and General Installation Procedures

Covers safety warnings, horizontal units, and ductwork.

Electrical Power and Wiring Requirements

Covers main power, field wiring, control wiring, and 24 VAC systems.

Pre-Start

Pre-Start Safety Warnings

Safety warnings before starting the unit.

Voltage Imbalance and Phasing Checks

Procedures for checking voltage and phasing.

Compressor Heaters and Symbio Controls

Symbio 700 Service Test Mode Operation

Unit Start-Up

Start-Up Sequence and Smoke Detector Function

Compressor Start-Up and Hot Gas Reheat

Final System Setup Checks

General Unit Start-Up Safety Alert

Maintenance

Hazardous Service Procedures and Monthly Tasks

Safety precautions and routine monthly maintenance.

Component Specific Maintenance

Seasonal Maintenance

Coil Cleaning Safety and Procedure

Hazards of coil cleaning and step-by-step cleaning instructions.

Hot Gas Reheat Oil and Annual Maintenance

Troubleshooting

Limited Warranty