Rolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Overview DiagramCondensorCompressorRefrigerant linesFilterFilterWater valvesAir ConditionerRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Air DuctingFilterFilterRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Major Components of Air ConditionerRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Front View of Operating UnitRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air ConditioningRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Functional System OverviewRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Functions of Air Conditioning System Create and control the air flow Air Distribution Mix the Air (air stratification) Dehumidify the Air Convert the energy supplied by the coolant system Transfer the refrigerating power of the refrigerant systemRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Sensors and Actuators AUC-2 sensor for automatic recirculated air control A solar sensor, separate for left and right Rear compartment control panel with separate temperature and blower settingRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Temperature SensorsIn the Air Conditioner An evaporator temperature sensor 2 heat exchanger temperature sensorsIn the Operating Unit An interior temperature sensor with sensor blowerOn the Car An outside air temperature sensor (signal across K-CAN bus) A temperature sensor on both the left and right in the air ducts of the dashboard 2 temperature sensors in the air ducts in the floor areaRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Ventilation Grill with temp. sensorRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Refrigerant CompressorRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Function of refrigerant compressorRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Clutchless refrigerant compressor driveRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Operation of refrigerant compressor driveRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Condensor with dryerRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Electric Fans suction fan 600w 1 impelling fan 400w Speed range from 30 100% depending on pressure in the refrigerant circuit in 15 stages Activated via DME with pulse width modulated control speed Shut down at vehicle speed 80 kph Can also be activated by excessive coolant temp. or excessive gearbox fluid tempRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Evaporator temperature controlRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Air conditioner with flap drivesRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Radial flow blower with motorRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Blower control on the blowerRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Position on recirculation flapRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Inputs and outputs of the control electronicsRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Functional circuit diagramRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Correction of setpointRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Correction of setpointRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Correction of setpointRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Water valve activationRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Virtual ventilation flapRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Sectional viewRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Dynamic pressure compensationRolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Blow limitation depending on coolant temp.Rolls-Royce Motor Cars UR-V-S/ Aftersales Philipp Gruber Mar 03RR01 Air Conditioning Run in procedure of new compressor When the engine is started the air-conditioning system must be set to “off“ With the engine running, do not activate the KMV before step 4 in the test procedure described belowProcedure: Set all air outlets in the i