Method for protecting compressor of multi-split air conditioning system
A compressor protection and multi-connection system technology, which is applied in the direction of refrigerators, refrigeration safety arrangements, refrigeration components, etc., can solve the problems of long connecting pipes, reduced user comfort, poor control effect, etc., to prolong service life and ensure suction Gas superheat, easy to control the effect
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0019] Such as figure 1 shown.
[0020] A multi-connection system includes an outdoor unit and two indoor units connected in parallel. Wherein, each indoor unit includes an electronic expansion valve 6 and a heat exchanger 7, and the electronic expansion valve 6 and the heat exchanger 7 are connected in series. The outdoor unit includes a compressor 1 , an oil separator 2 , a four-way valve 3 , a condenser 4 , a main electronic expansion valve 5 , a gas-liquid separator 10 and a solenoid valve 11 . Wherein, the refrigerant outlet of the compressor 1 is connected to the refrigerant inlet of the oil separator 2 , and the refrigerant outlet of the oil separator 2 is connected to the first port of the four-way valve 3 . The second port of the four-way valve 3 is connected to the indoor unit after passing through the condenser 4 and the main electronic ex...
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