Outdoor unit for air conditioner
A technology for outdoor units and air-conditioning devices, applied in air-conditioning systems, space heating and ventilation, heating methods, etc., can solve problems such as performance degradation of air-conditioning devices, and achieve the effects of reducing wind shear, suppressing vibration, and reducing resistance.
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[0048] [First Embodiment]
[0049]
[0050] Fig. 1 shows a refrigerant circuit of an air conditioner including an outdoor unit according to a first embodiment of the present invention. The air conditioner 1 is a multi-type air conditioner for a building. A plurality of indoor units 3 and one or more outdoor units 2 are connected in parallel to form a refrigerant circuit 10 in which refrigerant can flow.
[0051] A compressor 11 , a four-way switching valve 12 , an outdoor heat exchanger 13 and an outdoor expansion valve 14 are included in the outdoor unit 2 , and an indoor expansion valve 15 and an indoor heat exchanger 16 are included in the indoor unit 3 . The four-way switching valve 12 and the indoor heat exchanger 16 are connected by a gas-side refrigerant communication pipe 17a, and the outdoor expansion valve 14 and the indoor expansion valve 15 are connected by a liquid-side refrigerant communication pipe 17b. A gas-side shutoff valve 18 and a liquid-side shutoff va...
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