Trane CAUJ-C20 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.
July 2016
CAUJ-SVX01E-EN
Split System
Air-Cooled Condensers — 20 to 120 Tons
CAUJ-C20
CAUJ-C25
CAUJ-C30
CAUJ-C40
CAUJ-C50
CAUJ-C60
CAUJ-C80
CAUJ-D10
CAUJ-D12
Installation, Operation,
and Maintenance

Trane CAUJ-C20 Specifications

General

Brand	Trane
Model	CAUJ-C20
Category	Air Conditioner
Language	English

Summary

Introduction, Safety, and General Information

Safety Warnings and Precautions

Covers hazard warnings, PPE, environmental, and refrigerant handling guidance.

Unit Inspection and Data

Procedures for checking unit on arrival, nameplates, and general specifications.

Dimensions and Weights

Unit Clearances and Dimensions

Details minimum operating and service clearances and physical dimensions.

Unit Weights

Provides shipping and operating weight specifications for unit sizes.

Installation Procedures

Mechanical Installation

Covers location, foundation, isolation, mounting, and rigging guidelines.

Refrigerant Piping Installation

Details requirements for liquid, discharge lines, brazing, and leak testing.

Electrical Wiring Requirements

Outlines field wiring, grounding, power, and control wiring specifications.

Operating Principles and Start-Up

Unit Operation and Low Ambient Control

Explains unit function, fan operation, and low ambient damper controls.

System Evacuation, Pre-Start Checks, and Charging

Covers evacuation, vacuum tests, voltage/phasing, fan rotation, and charging.

Maintenance and Diagrams

Routine Maintenance and Coil Cleaning

Details monthly checks, unit cleaning, and lubrication procedures.

Service Safety and Fall Restraint

Highlights safety precautions for servicing, including fall restraint system usage.

Wiring Diagrams Reference

Lists available unit wiring diagrams for field connection and schematics.