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Title:
HEAT PUMP TYPE WATER HEATER
Document Type and Number:
Japanese Patent JP2008032333
Kind Code:
A
Abstract:

To provide a heat pump type water heater capable of supplying hot water stable in temperature to a hot water supply destination other than a bathtub, and of reducing risk of hot water shortage due to use of a large amount of hot water to the bathtub.

This heat pump type water heater X is provided with a water heat exchanger 15 executing a CO2 cycle S1, an R410A cycle S2, and heat exchange between a CO2 coolant and an R410A coolant, and water, and a reserve tank 12 storing the water heated by the water heat exchanger 15, and is structured such that, when a water supply command to the bathtub is received, the water heated by the water heat exchanger 15 is supplied exclusively to the bathtub by operating the CO2 cycle S1 and/or the R410A cycle S2; and, when a water supply command other than the water supply command to the bathtub is received, the water stored in the reserve tank 12 is supplied to a hot water supply destination other than the bathtub.


Inventors:
OBANA TOSHIHIKO
Application Number:
JP2006000207615
Publication Date:
February 14, 2008
Filing Date:
July 31, 2006
Export Citation:
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Assignee:
SHARP KK
International Classes:
F24H1/00; F24D17/00; F24H1/18; F25B1/00
Attorney, Agent or Firm:
本庄 武男



 
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