Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Refrigerant Pressure Sensor / Switch: Description and Operation

PURPOSE
Cuts off power to the A/C Clutch Field Coil when there is low suction pressure.

OPERATION
Closes at 293 kPa (43.5 psi), with pressure increasing; opens at 169 (24.5 psi), with pressure decreasing.