Gree Electric Appliances, Inc. of Zhuhai

Gree Electric Appliances (Wuhan) Co., Ltd

Zhiguang Huang

Shiqiang Zhang

Lianfa Wu

Jianguo Xiong

Huachao Jiao

Handong Xue

Bing Zhou

Donghui Li

Bo Qiu

Fan Fan

The present disclosure relates to a method of controlling operation state of multi-split air conditioner and system, and a heat pump multi-split. The control method includes: determining a target operation mode of each indoor unit according to an operation mode set by a user for the indoor unit; performing statistics on heat exchange demands of the indoor units corresponding to different target operation modes, and determining a dominant operation mode among the target operation modes according to the heat exchange demands; and using the dominant operation mode as the operation mode of an outdoor unit.

Method and system of controlling operation state of multi-split air conditioner, and heat pump multi-split air conditioner

The present disclosure discloses a control method for a multi-split air conditioning system and a multi-split air-conditioning system, the multi-split air conditioning system, including a compressor and a plurality of indoor units respectively arranged on a plurality of parallel branches, the indoor unit including a fan and the control method including: in a cooling mode, when the multi-split air conditioning system needs oil return, the multi-split air conditioning system opening a branch where an indoor unit in an off state is located, determining whether the indoor unit has reached a dewing condition, opening the branch on which the indoor unit is located, and controlling the fan of the indoor unit according to a determination result.

Multi-split air conditioning system and control method therefor

Growing community of inventors

Zhuhai, China

Zhiguang Huang