RLC-SVX07A-EN
Operating Principles
RTWA Units
This section describes the mechanical operating principles of Series R water-
cooled chillers equipped with microcomputer-based control systems.
The 70-125-ton Model RTWA units are dual compressor, helical-rotary type
water-cooled liquid chillers. The basic components of an RTWA unit are:
•
Clear Language Display and control modules
•
Helical-rotary compressor
•
Direct expansion evaporator
•
Water-cooled condensers
•
Oil supply system (hydraulic and lubrication) - Interconnecting piping
Components of a typical RTWA unit are identified in
RTUA Units
The 70-125 ton RTUA units are dual compressor, helical-rotary type
compressor chillers. The basic components of an RTUA unit are:
•
Clear Language Display and control modules
•
Helical rotary compressors
•
Direct expansion evaporator
•
Oil cooler
•
Interconnecting piping between the compressors and evaporator
Components of a typical RTUA are identified in
RTCA Units
The 70-125 ton RTCA units are air-cooled condensing units. The basic compo-
nents of an RTCA unit are:
•
Terminal box
•
Air-cooled condenser
•
One (1) fan inverter per circuit - Optional
Components of a typical RTCA are identified in
Figures
35.
Figures
36.
Figures
36.
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