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High Pressure Cutout (HPCO) Control . . 179QM45/Q130/Q170/Q210/Q270 . . . . . . 179Filter-Driers . . . . . . . . . . . . . . . . . . . . . . . . 180Liquid Line Filter Drier . . . . . . . . . . . . . 180Refrigerant Recovery/Evacuation . . . . . . 181Definitions . . . . . . . . . . . . . . . . . . . . . . 181Refrigerant Re-use Policy . . . . . . . . . . 182Recovery and Recharging . . . . . . . . . . 184System Contamination Cleanup . . . . . . . 190General . . . . . . . . . . . . . . . . . . . . . . . . 190Determining Severity of Contamination 190Mild System Contamination CleanupProcedure . . . . . . . . . . . . . . . . . . . . . . 192Severe System Contamination CleanupProcedure . . . . . . . . . . . . . . . . . . . . . . 193Replacing Pressure Controls withoutRemoving Refrigerant Charge . . . . . . . 194Q270 Condenser Fan Motor Replacement . . . . . . . . . . . . . . . . . . . . . . . 196Brazing Procedures for Danfoss SolenoidValves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197COMPONENT SPECIFICATIONSMain Fuse . . . . . . . . . . . . . . . . . . . . . . . . . 199Bin Switch . . . . . . . . . . . . . . . . . . . . . . . . . 199QM45/Q130/Q170/Q210/Q270 . . . . . . 199Bin Thermostat . . . . . . . . . . . . . . . . . . . . . 199QM20/QM30/SM50 . . . . . . . . . . . . . . . 199ON/OFF/WASH Toggle Switch . . . . . . . . . 199Fan Control Cycle . . . . . . . . . . . . . . . . . . . 199QM45/Q130/Q170/Q210/Q270 . . . . . . 199High Pressure Cutout (HPCO) Control . . 200Filter-Driers . . . . . . . . . . . . . . . . . . . . . . . . 200Liquid Line Thermistor . . . . . . . . . . . . . . . 200QM20/QM30/SM50 . . . . . . . . . . . . . . . 200Total System Refrigerant Charge . . . . . . 201Part Number 80-01111-9 7/10 9

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