Combination conditioning and water heating apparatus

Claim 1

IN AN APPARATUS FOR CONDITIONING AN AREA, THE COMBINATION OF A COMPRESSOR HAVING SUCTION AND DISCHARGE SIDES, EXPANSION MEANS, A FIRST HEAT EXCHANGER CONNECTING SAID COMPRESSOR DISCHARGE SIDE WITH SAID EXPANSION MEANS, AND A SECOND HEAT EXCHANGER IN HEAT EXCHANGE RELATION WITH A FIRST FLUID MEDIUM CONNECTING SAID EXPANSION MEANS WITH SAID COMPRESSOR SUCTION SIDE TO FORM A CLOSED REFRIGERATION SYSTEM, SAID FIRST FLUID MEDIUM BEING USABLE TO CONDITION SAID AREA; A THIRD HEAT EXCHANGER DISPOSED IN HEAT EXCHANGE RELATION WITH A SECOND FLUID MEDIUM TO BE CONDITIONED CONNECTED BETWEEN SAID FIRST EXCHANGER AND SAID COMPRESSOR DISCHARGE SIDE WHEREBY UPON OPERATION OF SAID COMPRESSOR, SAID SYSTEM COOLS SAID FIRST MEDIUM WHILE HEATING SAID SECOND MEDIUM; SUPPLEMENTAL FIRST HEATING MEANS FOR SAID SECOND FLUID MEDIUM; FIRST CONTROL MEANS RESPONSIVE TO TEMPERATURE CONDITIONS OF SAID SECOND FLUID MEDIUM EFFECTIVE AT A PREDETERMINED SECOND FLUID MEDIUM TEMPERATURE TO ACTUATE SAID SUPPLEMENTAL HEATING MEANS; SECOND HEATING MEANS EFFECTIVE WHEN ACTUATED TO HEAT SAID FIRST FLUID MEDIUM FROM SAID SECOND FLUID MEDIUM; AND SECOND CONTROL MEANS OPERATIVE UPON A DEMAND FOR HEAT OF THE AREA BEING CONDITIONED TO ACTUATE SAID SECOND HEATING MEANS.