(19)
(11) EP 1 626 230 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.01.2007 Bulletin 2007/04

(43) Date of publication A2:
15.02.2006 Bulletin 2006/07

(21) Application number: 05101612.9

(22) Date of filing: 02.03.2005
(51) International Patent Classification (IPC): 
F25B 49/02(2006.01)
 F24F 11/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 14.08.2004 KR 2004064106

(71) Applicant: LG ELECTRONICS INC.
Seoul (KR)

(72) Inventors:
  • Lee, Won-Hee
    Seoul (KR)
  • Hwang, Yoon-Jei
    Seoul (KR)
  • Hyun, Seung-Youp Daerim 2-cha Woosung Apt.102-1303
    Seoul (KR)
  • Sim, Jae-Hoon
    Seoul (KR)

(74) Representative: Gille Hrabal Struck Neidlein Prop Roos 
Patentanwälte Brucknerstrasse 20
40593 Düsseldorf
40593 Düsseldorf (DE)

   


(54) Operation control method for unitary air conditioner


(57) The present invention discloses an operation control method for a unitary air conditioner. The present invention improves the load response capabilities of compressors by operating them at three-stages of the maximum operation, minimum operation and intermediate operation using one or more compressors, and improves the energy efficiency and the amenity by determining the three-stage operation mode based on the previous operation status.







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