Title:
AIR CONDITIONER AND ITS CONTROL METHOD
Document Type and Number:
Japanese Patent JP2005140444
Kind Code:
A
Abstract:
To solve the problem that in case of stopping one compressor by capability control from the state where two compressors are operated, it takes a long time to balance the internal pressure of the stopped compressor with a sucking-side pressure, and restart of the stopped compressor need to wait until the pressure balancing is completed.
When the stopped compressors 1 or 2 is restarted early by a request of a load, a four-way valve 6 is reversed for a predetermined time before starting this compressor, and the pressure balancing is immediately performed to enable the starting thereof.
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Inventors:
OTAKI SHIZUO
Application Number:
JP2003378279A
Publication Date:
June 02, 2005
Filing Date:
November 07, 2003
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F24F11/02; F25B1/00; F25B31/00; F25B49/02; (IPC1-7): F25B1/00; F24F11/02; F25B31/00
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito
Tomoyasu Sakaguchi
Hiroki Naito