Trane RAUJ-C25 User Manual

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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.
April 2020
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Installation, Operation, and Maintenance
Split System
Cooling Condensers — 20 to 120 Tons
Remote Chillers — 20 to 120 Tons
RAUJ-C20
RAUJ-C25
RAUJ-C30
RAUJ-C40
RAUJ-C50
RAUJ-C60
RAUJ-C80
RAUJ-D10
RAUJ-D12

Trane RAUJ-C25 Specifications

General

Brand	Trane
Model	RAUJ-C25
Category	Air Conditioner
Language	English

Summary

Introduction

Proper Field Wiring and Grounding Required

Critical safety instructions for electrical installation and grounding.

Personal Protective Equipment (PPE) Required

Mandatory safety gear for technicians performing work.

General Information

Installation Mechanical

Rigging and Lifting

Safe procedures for moving and positioning the unit.

Refrigerant Piping Requirements

Guidelines for installing refrigerant lines and components.

Leak Testing Procedure

Steps for verifying the integrity of refrigerant lines.

Installation Mechanical — EVP

EVP Chilled Water Piping Requirements

Installation Electrical

Wiring Requirements

General guidelines for field wiring and grounding.

Power Wire Sizing and Protection Devices

Selecting appropriate wires and protective devices.

Field Connection Diagrams

Start-Up

Pre-Start Checklist

Essential steps before initial unit operation.

System Evacuation Procedures

Steps for removing air and moisture from the refrigerant system.

Standing Vacuum Test

Procedure to verify proper system evacuation.

Discharge Air Controller Checkout (Honeywell W7100A)

Preliminary Expansion Valve Adjustment

Setting the expansion valve for optimal performance.

Compressor Start-Up (All Systems)

Procedures for safely starting compressors.

Final System Setup

Maintenance

Compressor Replacement

Fall Restraint — Condenser Roof

Wiring Diagrams

Field Connection Diagrams

Detailed wiring diagrams for various system configurations.