Title:
HEAT PUMP WATER HEATER
Document Type and Number:
Japanese Patent JP2001255013
Kind Code:
A
Abstract:
To improve convenience by rapidly informing a user of the occurrence of refrigerant circuit trouble and storing a hot water as much as possible.
Whether a temperature of a condenser is a predetermined temperature or lower or not is judged (step S3), and whether the circuit is in trouble or not is judged. If the circuit is in trouble, an alarm or the like to the effect is given to inform the user (step S6). Simultaneously, an electric heater is driven to continue hot water storage (step S8).
Inventors:
Mukoda, Hideaki
Enya, Yoshinori
Koyama, Kiyoshi
Takizawa, Sadahiro
Ishigaki, Shigeya
Enya, Yoshinori
Koyama, Kiyoshi
Takizawa, Sadahiro
Ishigaki, Shigeya
Application Number:
JP2000000069803
Publication Date:
September 21, 2001
Filing Date:
March 14, 2000
Export Citation:
Assignee:
SANYO ELECTRIC CO LTD
International Classes:
F24H1/00; F24H1/18; F24H1/20; F25B30/02; F24H1/00; F24H1/18; F24H1/20; F25B30/00; (IPC1-7): F24H1/18; F24H1/00; F24H1/20; F25B30/02