WATER COOLED WATER CHILLER - WCW
Built for the Industrial and Commercial Markets
- Self-supporting frame is made from painted steel plate with
ga anized steel screws and bolts to ensure the protection
against rust and corrosion.
- Scroll compressors are used in models034and 040; semi-
hermetic screw compressors are used in models 050 to 773.
• Heat exchanger
- Shell and tube type, dry expansion evaporators are
insulated with closed-cell foam material for reduced heat
loss. All evaporators are incorporated with temperature
probe for anti-freeze protection.
• Electronic control panel
The electrical panel consists of
- Main switch
- Power and auxiliary circuit fuses
- Compressor contactors
- Air pressure switch
- Microprocessor for control of the following functions:
Water temperature control
Compressor operation timing
Compressor automatic start-up sequence
- Digital display of:
Entering and leaving water temperatures
Temperature and differential settings
Hour meters readout of operation and number of unit
and compressor start-up
High and low pressures
• Control and safety devices
- Manual reset high pressure switch
- Automatic reset low pressure switch
- Compressor over temperature protection
- R22 ， R407C， R134A types are available.
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