Trane RTAC 275 Series User Manual

Installation
Operation
Maintenance
Series R Air-Cooled Helical Rotary
Liquid Chillers
RTAC Plus 140 - 350 Ton (60 Hz)
RTAC Plus 140 - 300 Ton (50 Hz)
SAFETY WARNING
Only qualied 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 specic
knowledge and training. Improperly installed, adjusted or altered equipment by an unqualied 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.
May 2014 RTAC-SVX002A-EN

Trane RTAC 275 Series Specifications

General

Brand	Trane
Model	RTAC 275 Series
Category	Chiller
Language	English

Summary

Installation Operation Maintenance

Series R Air-Cooled Helical Rotary Liquid Chillers

Product line and type of chillers covered in the manual.

Safety Warnings

Critical safety information for handling and servicing the equipment.

III-Installation Mechanical

Installation Responsibilities and Requirements

Key duties of the contractor and necessary procedures for unit installation.

Unit Placement and Foundation

IV-Installation Electrical

General Electrical Recommendations

VI-Controls Interface

CH530 Control System Overview

Components and architecture of the CH530 control system.

DynaView User Interface

Diagnostic Screen Access

VII-Diagnostics

Diagnostic Table Interpretation

Explanation of the structure and codes used in the diagnostic tables.

Diagnostic Code Listings

Detailed list of diagnostics, their severity, persistence, and reset criteria.

VIII-Pre-Start Checkout

Pre-Start Installation Checklist

A comprehensive checklist to verify all installation steps are completed.

Electrical Connection and Safety

Unit Voltage and Phase Sequence Check

IX-Unit Start-Up Procedures

Seasonal Unit Start-Up

Step-by-step guide for initiating seasonal unit operation.

System Restart Procedures

Instructions for restarting the unit after extended shutdowns.

X-Periodic Maintenance

Recommended Maintenance Schedule

Hazardous Voltage and Capacitor Safety

Critical warnings regarding electrical hazards during maintenance.

XI-Maintenance Procedures

Refrigerant and Oil Charge Management

Procedures for proper handling and charging of refrigerant and oil.

Compressor Replacement Guide

XII-Wiring Diagram

Circuit 1 Wiring Diagram

Circuit 2 Wiring Diagram