Hot water supply apparatus

Details Hot water supply apparatus Hot water supply apparatus

2008-03-11

2010-12-28

Norman, Marc E (Department: 3744)

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

C062S183000, C062S228400

Reexamination Certificate

active

07856835

ABSTRACT:
The present invention provides a hot water supply apparatus capable of reducing energy consumption. That is, except during operation of heating water, when a detection temperature of a temperature sensor becomes equal to or lower than a set temperature, a circulating pump is operated and a compressor is operated at a second operating frequency having a lower frequency than a first operating frequency, thereby the compressor does not have to be repeatedly operated and stopped, and can be continuously operated in a state of reduced heating power.

REFERENCES:
patent: 3922876 (1975-12-01), Wetherington et al.
patent: 5052186 (1991-10-01), Dudley et al.
patent: 2005/0022542 (2005-02-01), Sakakibara
patent: 2007/0199337 (2007-08-01), Otake et al.
patent: 2006-010145 (2006-12-01), None

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