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Refrigerant Pressure Sensor / Switch: Description and Operation

TRIPLE PRESSURE SWITCH




The triple switch is a combination of a medium switch as well as conventional low pressure and high pressure switches. The low pressure switch will be turned off to stop compressor operation if refrigerant pressure is low. The high pressure switch will be turned off to stop compressor operation if refrigerant pressure is too high.
The medium switch will be turned on at medium level pressure to cool the A/C system operating radiator fan and condenser fan at high speed.

Operating Characteristic:




Low & High:




Medium: