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Alco pressure switches

Alco pressure switches

The pressure switches serve different functions, which can be divided into:

– control functions: of the compressor, of defrosting and regulation with complete evacuation of the refrigerant from the low pressure part, (pump down)

– protection functions: which include pressure limitation, against the reduction of excessive pressure, and load losses, as well as frost protection.

The pressure switches work on a series of electrical contacts when they exceed a predetermined lower or upper pressure limit.

 

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