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Title:
AIR CONDITIONING DEVICE
Document Type and Number:
Japanese Patent JP2015055450
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an air conditioning device capable of preventing interphase short-circuit of an AC power source in a case when electrical wirings connecting an outdoor unit and an indoor unit are incorrectly arranged.SOLUTION: In an air conditioning device 1 including an indoor unit 20 and an outdoor nit 10 connected by a plurality of electrical wirings L, N, S, the indoor unit 20 is provided with an indoor-side power source circuit 22 to which electric power is supplied from an AC power source 40 to be started, an indoor-side control circuit 23 to which electric power is supplied from the indoor-side power source circuit 22 to be started, and a switch K2R of which ON and OFF are controlled by the indoor-side control circuit 23. The outdoor unit 10 is provided with an outdoor-side power source circuit 12 to which electric power is supplied from the AC power source 40 to be started by turning on the switch K2R after starting the indoor-side control circuit 23. Protecting means 26 is further disposed to limit electric current of an interphase short circuit of the AC power source 40 formed in accompany with a turning-on motion of the switch K2R, when any electric wirings are alternately incorrectly arranged.

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Inventors:
HIGASHIYAMA SHIN
OGAWA HIROKI
IKEDA MOTONOBU
Application Number:
JP2013190528A
Publication Date:
March 23, 2015
Filing Date:
September 13, 2013
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F24F11/02; H02H11/00
Attorney, Agent or Firm:
Patent business corporation Sun Crest international patent firm