MULTI-SPLIT AIR CONDITIONING SYSTEM AND CONTROL METHOD THEREFOR

Title:

MULTI-SPLIT AIR CONDITIONING SYSTEM AND CONTROL METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2019/047889

Kind Code:

A1

Abstract:

A control method for a multi-split air conditioning system, the multi-split air conditioning system comprising a compressor and a plurality of indoor units (2) respectively arranged on a plurality of parallel branches, the indoor unit (2) comprising a fan (22), and the control method comprising: in a cooling mode of the multi-split air conditioning system, when the multi-split air conditioning system requires oil return, determining whether an indoor unit (2) in an off state has reached a condensing condition, opening the branch on which the indoor unit (2) is located, and implementing different control of the fan (22) of said indoor unit (2) on the basis of the determining results. Also provided is a multi-split air-conditioning system. The present multi-split air conditioning system control method and multi-split air conditioning system can effectively solve the problem of condensation dripping at an indoor unit triggered by the frequent oil return of a compressor, improving user comfort.

More Like This:

JP4543942	Heat exchanger for air conditioner
JPH0989285	MINIATURE COLD AIR FAN

Inventors:

JIAO HUACHAO (CN)
ZHANG SHIQIANG (CN)
WU LIANFA (CN)
XIONG JIANGUO (CN)
ZHOU BING (CN)
HUANG ZHIGUANG (CN)
LI DONGHUI (CN)
QIU BO (CN)

Application Number:

PCT/CN2018/104344

Publication Date:

March 14, 2019

Filing Date:

September 06, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

GREE ELECTRIC APPLIANCES WUHAN CO LTD (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)

International Classes:

F24F1/00; F24F11/61; F24F11/77; F24F13/22; F25B41/34; F24F110/20; F25B31/00

Foreign References:

CN107575939A	2018-01-12
CN106642602A	2017-05-10
CN206207681U	2017-05-31
CN106403192A	2017-02-15
CN101187517A	2008-05-28
CN105987483A	2016-10-05

Other References: