Patent ID: 8082744
Filing Date: 2011-12-27
Classification: F24D,F25B

Abstract:
1. A method for controlling a hot water circulation system associated with a heat pump, the hot water circulation system associated with a heat pump comprising an outdoor unit including a compressor, an outdoor heat-exchanger, and an expansion part, and performing a heat pump refrigerant cycle; an indoor unit including a water-refrigerant heat-exchanger which performs heat exchange between a refrigerant discharged from the compressor and water, and a water pump which circulates water compulsorily; and a hot water circulation unit receives heat from the heated water discharged from the indoor unit to perform hot water supply or heating, wherein the system is controlled such that when the water-refrigerant heat-exchanger is frozen or is right before frozen, a freezing burst prevention operation which is a process where the outdoor unit performs a heat pump refrigerant cycle and the water pump maintains a driving stop state is performed.