Three-pipe air conditioning system and control method thereof

Three-pipe air conditioning system and control method thereof

  • CN 104,329,825 A
  • Filed: 07/22/2013
  • Published: 02/04/2015
  • Est. Priority Date: 07/22/2013
  • Status: Active Application
First Claim
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1. three control air-conditioning systems, comprise off-premises station and the high-pressure liquid tube for being connected with at least one indoor set by described off-premises station, low pressure gas pipe and high-pressure air pipe;

  • It is characterized in that;

    Described off-premises station comprises at least one compressor, refrigerant reversal valve group, the first outdoor heat exchanger be connected in parallel and the second outdoor heat exchanger and a heat regulation heat exchanger;

    Described heat regulation heat exchanger has the first refrigerant interface and the second refrigerant interface that are communicated with by a heat dissipation pipeline, the 3rd refrigerant interface be communicated with by another heat dissipation pipeline and the 4th refrigerant interface;

    Second port of described first outdoor heat exchanger is connected with the first pipe arrangement, and the second port of described second outdoor heat exchanger is connected with the second pipe arrangement, and described first pipe arrangement is connected with described high-pressure liquid tube jointly with described second pipe arrangement;

    Be parallel with one with described first pipe arrangement and be connected the first refrigerant interface of described heat regulation heat exchanger and the branch line of the second refrigerant interface;

    3rd refrigerant interface of described heat regulation heat exchanger is connected with the first port of the second outdoor heat exchanger by the 3rd pipe arrangement;

    4th refrigerant interface of described heat regulation heat exchanger is connected with described refrigerant reversal valve group by pipeline.

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