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Kunne High Pressure Switch


The Kunne High Pressure Switch is installed on the refrigerant system 3/8-inch liquid line inside the Air Handling Unit (AHU). During operation of the outside Condensing Unit, in an event such as the fan motor being inoperable, the heat transfer will not occur and return the very hot liquid back to the AHU. The Kunne High Pressure Switch will sense the extreme high temperature on the refrigerant liquid line and automatically create a short circuit breaking the in-line fuse causing the air condition system to turn off.



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