Title:
COOLANT HEATING AIR CONDITIONER
Document Type and Number:
Japanese Patent JP3126757
Kind Code:
B2
Abstract:
PURPOSE: To carry out space heating control pleasantly by connecting a plurality of coolant heaters in parallel and, at the same time, making large the range of variable quantity of fuel consumption.
CONSTITUTION: If a coolant heater 5 out of a plurality of a coolant heaters 5 that are connected in parallel is not used during space heating, a two-way valve 6 that is provided upstream of the coolant heater 5 is cooled and the combustion operation is stopped. When the temperature of said coolant heater 5 that is detected by a temperature sensor 8 falls below a first specified temperature, the coolant heater 5 is controlled to carry out combustion operation until the temperature of the coolant heater 5 rises above a second specified temperature with a four-way valve 2 closed.
Inventors:
Yasuhiro Arai
Application Number:
JP22186491A
Publication Date:
January 22, 2001
Filing Date:
September 02, 1991
Export Citation:
Assignee:
Toshiba Carrier Corporation
International Classes:
F24F11/02; F25B13/00; (IPC1-7): F25B13/00; F24F11/02
Domestic Patent References:
| JP522227B2 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
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