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2. Structural Features and Working Principle
2.1 Main Functions
SIC-A-R2 series are applicable for cooling molds to reduce products molding
cycle, also they are available in the cooling of equipments in order to maintain a
normal temperature. Besides, they are suitable for other industries with the
need of cooling.
2.1.1 Working Principle
Picture 2-1: Working Principle Diagram
When the SIC-A-R2 air-cooled water chiller starting up, compressor starts
working. Refrigerant is compressed into high temperature high pressure gas in
the process from B to C, and then be cooled when passing through the
condenser and changed into liquid. Heat is taken away by the cooling air. In the
process from C to D to E and F, the liquid refrigerant is dried and filtered by the
dry filter. After that, it passes through the solenoid valve, level sensor and then
reaches the expansion valve. In the process from F to G, the high pressure
liquid refrigerant is throttled and depressurized by the heat expansion valve and
the temperature goes down. In the process of G to A, chilled water absorbs the
heat of process water in the evaporator and returns back to the compressor.
This heat exchange process repeats until process water is cooled down to
required temperature.
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