Vanden Plas (X308) V8-4.0L (AJ27) (2000)
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Refrigerant Pressure Sensor / Switch: Description and Operation
Pressure (Bitron) switch
Located in the discharge pipe.
Provides a signal, via the A/CCM, to the ECM, to disengage the compressor clutch should the refrigerant pressure be <2 bar or >30 bar.
Provides a hard-wired signal to the ECM, to switch the cooling fans to HIGH speed at 22 bar rising pressure and to LOW speed at 17,5 bar falling
pressure.
Provides a hard-wired signal to the ECM, to switch the radiator cooling fans to LOW speed at 12 bar rising pressure and to switch the fans OFF at 8 bar
falling pressure.
