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Gert Louw
by Gert Louw , Air conditioning technician , Datec Trust

High pressure switch to switch of the compressor when there is excesive refrigerant in the system and low pressure switch to switch of the compressor when there is a leakage in the system and the pressure is to low.

A high pressure switch (HP) and a low pressure switch (LP) are protective devices for the compressor and refrigeration circuit.

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