Trane RTAA-185 User Manual

Library Service Literature
Product Section Refrigeration
Product Rotary liquid Chillers – Air-Cooled
Model RTAA
Literature Type Installation, Operation, Maintenance
Sequence 3
Date December 1991
File No. SV-RF-RLC-RTAA-IOM-3-1291
Supersedes
Installation RTAA-IOM-3
Operation
Maintenance
Since The Trane Company has a policy of continuous product improvement, it reserves the right to change
specifications and design without notice. The installation and servicing of the equipment referred in this booklet
should be done by qualified, experienced technicians.
Air-Cooled
Series R
®
Rotary Liquid
Chillers
“CO” and Later Design Sequence
Packaged Air-Cooled Chiller,
RTAA 130-400
Remote Evaporator Air-Cooled Chiller,
RTAA 130-200
Models
RTAA-130 RTAA-170 RTAA-240 RTAA-340
RTAA-140 RTAA-185 RTAA-270 RTAA-370
RTAA-155 RTAA-200 RTAA-300 RTAA-400
Part No. X39560468-01

Trane RTAA-185 Specifications

General

Brand	Trane
Model	RTAA-185
Category	Chiller
Language	English

Summary

Warnings and Cautions

Installation Responsibilities

Outlines general contractor duties during unit installation.

Line Sizing

Liquid Line Sizing

Procedures and tables for sizing liquid refrigerant lines.

Suction Line Sizing

Diagnostics and Troubleshooting

Pre-Start Checkout

WARNING: Disconnect all electric power including remote disconnects before servicing’ Failure to disconnect power before servicing can cause severe personal injury or death.

Critical safety warning regarding power disconnection.

WARNING: It is imperative that L1-L2-L3 in the starter be connected in the A-B-C phase sequence to prevent equipment damage due to reverse rotation.

Critical safety warning regarding phase sequence connection.

Start-Up Procedures

Caution: A clear sight glass alone does not mean that the system is properly charged. Also check system superheat, subcooling, and unit operating pressures.

Important checks beyond just a clear sight glass.

Periodic Maintenance

General

Annual Maintenance