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Unitary air conditioner

  • US 7,513,124 B2
  • Filed: 12/29/2005
  • Issued: 04/07/2009
  • Est. Priority Date: 12/30/2004
  • Status: Expired due to Fees
First Claim
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1. A unitary air conditioner, comprising:

  • a 1-stage thermostat which generates an operation signal to operate the unitary air conditioner or a stop signal to stop the unitary air conditioner;

    a 1-stage indoor unit having an indoor fan, the indoor fan being rotated according to the operation signal generated by the 1-stage thermostat;

    a variable-capacity outdoor unit configured to be operated according to the 1-stage thermostat, the variable-capacity outdoor unit having a compressor and an outdoor fan, an operation stage of the compressor and the outdoor fan being changed according to an operation state of the variable-capacity outdoor unit; and

    an indoor fan control device configured to control the indoor fan according to the operation stage of the compressor of the variable-capacity outdoor unit to change an operation state of the indoor fan, the indoor fan control device being provided in the 1-stage indoor unit to control the indoor fan according to a signal generated by an outdoor unit control device provided in the variable capacity outdoor unit.

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