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Multi-inverter type air conditioner and test method thereof

  • US 5,974,813 A
  • Filed: 05/21/1998
  • Issued: 11/02/1999
  • Est. Priority Date: 11/29/1997
  • Status: Expired due to Term
First Claim
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1. A multi-inverter air conditioner comprising an outdoor heat exchanger having a refrigeration cycle, and a plurality of indoor heat exchangers connected to the outdoor heat exchanger fluidly by respective pipe arrangements and electrically by respective wire arrangements, each indoor heat exchanger including a control part for detecting a temperature of the respective of the respective pipe arrangement, each pipe arrangement including a pipe controller for selectively opening the respective pipe arrangement for permitting refrigerant from the refrigeration cycle to flow therethrough, the outdoor heat exchanger comprising:

  • a control section connected to the pipe controllers and the control parts of the indoor heat exchangers for opening a selected pipe controller to permit refrigerant to flow through the respective pipe arrangement, and for receiving a detected temperature of the respective pipe arrangement to determine whether the pipe and wire arrangements are in an operation state;

    an input section connected to the control section for inputting a command for testing the state of the pipe and wire arrangements; and

    a display section connected to the control section for displaying a state of the tested pipe and wire arrangements.

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