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Training Schedule

RTAC Rotary Chiller Service (Seattle)

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Date Location Tuition/Cost
(per person)
Additional Cost Info
6/3/2014 - Trane Seattle Office
2333 158th Court NE
Bellevue, WA 98008

$ 300.00 10% discount for multiple attendees from same company -- must be registered together
Hours Contact Number of Seats Intended Audience
8AM-5PM Ashley Masters
24Open The target audience is technicians desiring detailed knowledge on start-up, operation, and basic servicing and troubleshooting of RTAC Rotary Chillers.


This course covers operation, diagnosis and maintenance for Model RTAC rotary chiller CH530 micro electronic control systems with additional coverage of refrigeration system components. Emphasis will be placed on operational characteristics of the GP2 compressor, Falling Film evaporator and the E-coil designed condenser. Additional coverage provided for chiller operation using unit ANSI Trane wiring diagrams with emphasis on understanding the Adaptive system control logic.

Specific Course Objectives:

• Understand the operating Characteristics of 140 through 500-ton RTAC machines.

• Understand chiller's construction and the physical relationship of components.

• Learn performance/acoustic capabilities of each machine's design.

• Learn GP2 Compressor construction, operation and checkout.

• Learn Falling Film Evaporator construction, operation and checkout.

• Be able to read and interpret unit wiring diagrams.

• Learn the CH530 control architecture, start sequence and operating logic.

• Be able to interface with Techview / Dyna View.

• Understand the field service, maintenance, and limitations of RTAC.

Course Outline

A. RTAC Helical-Rotary Chiller Specifics 1. RTAC Features Overview 2. Rotary Chiller Refrigeration Cycle 3. R-134a/Polyoester Oil concerns 4. Main Component Overview

B. Performance/Parameters 1. Operation & Advantages 2. ARI Conditions 3. Machine Logging 4. Operational Parameters

C. GP2 (CHHN) Compressor 1. Construction 2. R-134A Optimization 3. Bearing Configuration 4. Oil Distribution 5. Compressor Loading / Unloading 6. Compressor Heater

D. Falling Film Evaporators 1. With Liquid Vapor Separator 2. Without Liquid Vapor Separator 3. Oil Return 4. Freeze Avoidance

E. E-Coil Condenser 1. Ambient Options 2. Condenser Fan Staging 3. Corrosion Protection 4. Maintenance

F. Liquid Level Sensor 1. Operation 2. External Intelligence (LLID) 3. Internal Intelligence (LLID)

G. Electronic Expansion Valve 1. Operation 2. Position Indicator 3. LLID Operation

H. Tracer CH530 Adaptive ControlTM 1. Control Platform 2. Adaptive Control Logic 3. Easy View 4. Dyna View 5. Techview 6. Diagnostics

Registration Information

Seats are available on a first come-first served basis. We accept checks or credit cards (AMEX, VISA, or MasterCard) or purchase orders.

Checks should be made payable to Trane and mailed to 2333 158th Court NE, Bellevue WA 98008. Attn: Ashley Masters

Confirmations will be emailed week prior to the session to the email provided. It is your responsibility to contact Trane if you do not receive your confirmation letter and map prior to the class date. Registrations are accepted on a first-to-register basis until the class is full.

How To Register

To register for this course, fill out and submit the on-line registration form linked below. Or, you can print the on-line registration form and: E-mail To:


Online Registration




Cancellation Policy

CANCELLATION POLICY PLEASE READ CAREFULLY: Cancellations must be received two weeks prior to class start date by fax, mail or email. NO SHOWS will be charged full class price. Trane reserves the right to cancel classes due to weather, illness, or any other reason. All students will be notified as early as possible and Trane's liability will be limited to the return of registration fees.

Multi-student Discount


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