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Frascold RSH, an Exclusive Capacity Regulation System
2016/12/23
Frascold has developed a patented reduced suction head (RSH) regulation system, available for 2-, 4-, 6-, and 8-cylinder compressors, presenting unique features and improvements compared with traditional unloaders. This innovative regulation device, granting constant flow of refrigerant to the cylinders when activated, completely solves the problems of traditional capacity control heads/unloaders based on complete suction cut-off: valve plate overheating, oil accumulation in the cylinders, and limited operating time, vibrations, and noise.
 
The RSH’s features and benefits are: No overheating of parts, no oil carry-over, no oil accumulation in the cylinders with RSH device, no increase in vibrations and noise compared with full-load operation, no risk of damage to the compressor, indefinite compressor operating time, a high number of regulating steps, less compressor on-off cycles, increased stability of suction pressure, higher overall system efficiency and reliability, and wide range of operating conditions.
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