Refrigeration system control

Claim 1

IN A REVERSE CYCLE REFRIGERATION SYSTEM HAVING A COMPRESSOR, AN OUTDOOR COIL, EXPANSION MEANS, AND AN INDOOR COIL INTERCONNECTED TO FORM A CLOSED REFRIGERATION CIRCUIT ADAPTED UPON ACTUATION OF SAID COMPRESSOR TO COOL, FAN MEANS FOR BRINGING AIR INTO HEAT EXCHANGE RELATION WITH SAID INDOOR COIL, AND REVERSING MEANS INTERPOSED IN SAID REFRIGERATION CIRCUIT BETWEEN SAID COMPRESSOR AND SAID INDOOR AND OUTDOOR COILS EFFECTIVE WHEN ACTUATED TO REVERSE THE FLOW OF REFRIGERANT THROUGH SAID INDOOR COIL, EXPANSION MEANS AND OUTDOOR COIL TO HEAT, THE COMBINATION OF A DRIVE MOTOR FOR SAID COMPRESSOR; FIRST SWITCHING MEANS BETWEEN SAID DRIVE MOTOR AND A SOURCE OF ELECTRICAL ENERGY EFFECTIVE WHEN ACTUATED TO COMPLETE AN ENERGIZING CIRCUIT TO SAID DRIVE MOTOR; MEANS FOR REDUCING INPUT OF ELECTRICAL ENERGY TO SAID DRIVE MOTOR INCLUDING RESISTANCE MEANS DISPOSED DOWNSTREAM OF SAID INDOOR COIL, AND SECOND SWITCHING MEANS FOR SERAILLY CONNECTING SAID RESISTANCE MEANS BETWEEN SAID DRIVE MOTOR AND SAID SOURCE OF ELECTRICAL ENERGY; AND CONTROL MEANS FOR ACTUATING SAID SECOND SWITCHING MEANS IN RESPONSE TO OPERATION OF SAID SYSTEM ONLY ON THE HEATING CYCLE.