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 Applications-Specific Equipment
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RC Recirculating Chillers

Many industrial and scientific applications require powerful cooling to remove the mechanical or electrical heat produced in machinery or apparatus, or the heat generated by an exothermic reaction, combined with a higher pressure flow for faster heat removal within restricted systems; the Grant RC recirculating chillers are ideal for such applications.

Before water became an expensive commodity, tap water was frequently used as a source of powerful, high pressure cooling. Unlike tap water cooling, RC chillers provide a constant flow at a precise, repeatable temperature and can operate at temperatures as low as -10C. They eliminate the wasteful use of mains water and minimise scaling and corrosion of the equipment being cooled. Moreover, alarms warn of any temperature or flow problems so RC chillers provide an inexpensive way of protecting valuable equipment, reliably.

RC chillers deliver a flow of controlled-temperature liquid, providing powerful, regulated cooling for many types of industrial machinery and scientific apparatus. For circulation through open and closed systems.

Each model consists of a temperature control unit, small reservoir, refrigeration unit and circulating pump, all housed in an outer case, with control panel and digital displays on the front, and inlet and outlet pipes at the rear, for connection to the external system. Constructed from corrosion resistant materials throughout.

-10 to 60C operation

  • Models RC350G, RC400G and RC1400G control the liquid temperature by using a heater to balance the effect of the cooling power; they can also be used as heated circulators to raise and control the temperature of external equipment up to 60C
  • RC3000G controls temperature using a hot gas bypass system, which is effectively an on-off control for the refrigeration system; this is highly energy efficient, but means that the RC3000G can not be used for heating; the most stable performance is achieved when cooling a large load with sufficient heat gain to counteract the cooling power
  • RC3000G can not be operated in a low load or no load condition for extended periods of time
  • Lockable wheels allow RCs to be moved easily and ensure they stay put once in position
  • TUNE facility. Enables automatic optimisation of the chiller's closed loop temperature control parameters to meet specific user requirements.

Safety :

  • Switchable undertemperature thermostat prevents freezing when water is used as the cooling fluid
  • Models RC350G, RC400G and RC1400G are protected by a fixed overtemperature cut-out
  • A flow-fail device provides additional safety by cutting off the power supply if there is a flow of less than 1 litre per minute
  • User-settable high and low temperature alarms
  • Socket provides an external output for the alarm facility
  • Overload protection on the compressor and the pump
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