(19)
(11) EP 2 515 053 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.05.2017 Bulletin 2017/22

(43) Date of publication A2:
24.10.2012 Bulletin 2012/43

(21) Application number: 12161711.2

(22) Date of filing: 28.03.2012
(51) International Patent Classification (IPC): 
F25B 13/00(2006.01)
 F25B 47/02(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 22.04.2011 KR 20110037773

(71) Applicant: LG Electronics Inc.
Seoul 150-721 (KR)

(72) Inventors:
  • Lee, Hoki
    Seoul 153-802 (KR)
  • Lee, Sanghun
    Seoul 153-802 (KR)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)

   


(54) Multi type air conditioner and operating method


(57) Provided is a multi type air conditioner. The multi type air conditioner includes a plurality of indoor units, each comprising an indoor heat exchanger and a plurality of outdoor units connected to the plurality of indoor units, each comprising an outdoor heat exchanger. When a defrosting operation condition is satisfied during a heating operation, the plurality of outdoor units successively perform a defrosting operation.







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