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CFC-free Refrigerant Water-cooled Water Chiller SIC-W-R2

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It is applied to plastics industry to precisely control moulds temperature so that molding cycle can be reduced and quality would be improved. Also SIC-W-R2 series can be applicable for electronic and machinery manufacturing to ensure normal operation temperature for devices.

Features

  • Cooling range 7-25°C/44.6-77°F.
  • Insulated water tank made of stainless steel
  • Equipped with anti-freeze thermostat
  • Adopt R410A refrigerant, used to improve coefficient of performance (COP) and R410A is ozone-friendly
  • Refrigeration loop controlled by high and low pressure switches to ensure stable operation.
  • Compressor and pump overload protection.
  • Compressor and pump overload protection.
  • All adopt quality compressors from major supplier.
  • Middle pressure pump is optional.
  • SIC-W-R2 adopts tube-in-shell condenser design. Without any need of cooling water for excellent heat transfer and rapid cooling.
  • Equipped with RS485 communication interface to realize centralized monitoring.

Working Principle

When the SIC-W water-cooled water chiller starts up, compressor starts working. Refrigerant is com- pressed into high temperature and 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 water. In the process from C to D to E and F, the liquid refrigerant is dried and filtered by drier filter. After that, it will pass through solenoid valve, refrigerant indicator and then reach expansion valve. In the process from F to G, the high pressure liquid refrigerant will be throttled and depressurized by heat expansion valve and temperature will go down. In the process from G to A, chilled water absorbs the heat of process water in the evaporator and returns back to compressor. This heat exchange process repeats until process water is cooled down to required temperature.

Hot-air bypass function: the compressor continues working when process water is cooled down to required temperature, then the hot-air bypass valve opens as the temperature drops to its set value. A part of the refrigerant from the compressor passes through the by-pass valve and then reaches evapo- rator, balancing out part of the machine refrigerating capacity and then goes back to compressor without passing through the condenser. With the help of hot-air bypass valve, the system can stay in an balanced condition and meanwhile can keep control accuracy within +1°C/1.8°F.


Application

It is applied to plastics industry to precisely control moulds temperature so that molding cycle can be reduced and quality would be improved. Also SIC-W-R2 series can be applicable for electronic and machinery manufacturing to ensure normal operation temperature for devices.

Specifications