초록 ▼

A compact heating and cooling system in which air ducts are connected to a host exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the system may be mounted outside a building to be

A compact heating and cooling system in which air ducts are connected to a host exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the system may be mounted outside a building to be heated and/or cooled.

대표청구항 ▼

A package heat exchange system control comprising: a first heat exchanger; means for supplying heat from the products of combustion to said first heat exchanger for supplying heat to a first fluid comprising a liquid; conduit means connected between said first heat exchanger and a second heat exchan

A package heat exchange system control comprising: a first heat exchanger; means for supplying heat from the products of combustion to said first heat exchanger for supplying heat to a first fluid comprising a liquid; conduit means connected between said first heat exchanger and a second heat exchanger for directing said fluid through said second heat exchanger; blower means for directing air through said second heat exchanger; blower control means responsive to the temperature of said first fluid; and means for preventing boiling of said liquid comprising means, responsive to the temperature of said first fluid emerging from said first heat exchanger, for controlling the circulation of said first fluid through said first and second heat exchangers and for maintaining said circulation after the supply of heat to said first heat exchanger has terminated and until said temperature is reduced to a predetermined value below the boiling point of said liquid in said system.