Eighty-Eight Royale FWD V6-3.8L SC VIN 1 (1995)
Refrigerant Pressure Sensor / Switch: Description and Operation
A/C High Pressure Cut-Out Switch
HR-6 Compressor
DESCRIPTION
The high-side, high pressure cut-off switch in the rear head of the compressor is a protective device intended to prevent excessive compressor head
pressures and reduce the chance of refrigerant escape through a safety relief valve.
OPERATION
Normally closed, this switch will open the circuit at a high-side pressure of approximately 3000 kPa (430 psi +/- 20 psi) and reclose the circuit at
approximately 1370 kPa (200 psi +/- 50 psi).