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Cool Star® chillers can be used in applications such as air conditioning, various technological processes, machine cooling, ice rink cooling, etc. The chillers are suitable for indoor use and outdoor installation with antifreeze fluids.


The units are designed to operate with conventional group A1 HFC refrigerants, depending on the compressor type and operating conditions. Depending on the type of refrigerant used, the liquid output temperature range is from -35 °C to +20 °C. For higher evaporation temperatures and / or higher ambient temperatures, the units are equipped with a larger condenser for trouble-free operation. The units are supplied with a protective inert gas fill.

Standard unit content

  • covered steel frame
  • compressor
  • air-cooled condenser
  • liquid refrigerant receiver
  • thermostatic expansion valve
  • brazed plate evaporator
  • rotalock valves
  • terminal board
  • dual pressure switch
  • differential pressure switch for semi-hermetic compressor unit
  • pressure transmitters and discharge temperature sensor for digital compressor unit
  • flow switch
  • shut-off ball valves on the fluid side
  • piping
  • electrical connection

Standard compressor series

  • Copeland Scroll ZR, ZB, ZF, ZF EVI, Copeland Stream
  • Copeland Scroll Digital ZBD and ZFD, Copeland Stream Digital compressors with continuous capacity modulation
  • Bitzer Semi-hermetic

Optional accessories

  • electrical switchboard
  • crankcase heater
  • condensing pressure control by fan cycling
  • fan speed control
  • hydraulic module

Non-standard design

  • remote air-cooled condenser
  • water cooled condenser
  • heat recovery
  • shell & tube evaporator
  • electronic expansion valve