Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/144920
Kind Code:
A1
Abstract:
This air conditioner (1) has an indoor unit (2) and an outdoor unit (3). The air conditioner (1) includes: a second relay (32) that enters a short-circuit state or a release state in response to a switching signal to be supplied; an external voltage detection circuit (39) that detects a voltage; and an external protection relay switching circuit (42) that outputs, to the second relay (32), a switching signal for causing the second relay (32) to enter the release state when the value of the voltage detected by the external voltage detection circuit (39) is greater than a predetermined first threshold value. The second relay (32), the external voltage detection circuit (39), and the external protection relay switching circuit (42) are disposed in the outdoor unit (3).
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Inventors:
MIYAMORI SHUN (JP)
HOSHINO IKUMI (JP)
HOSHINO IKUMI (JP)
Application Number:
PCT/JP2022/002862
Publication Date:
August 03, 2023
Filing Date:
January 26, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F11/88
Foreign References:
| JP2021131184A | 2021-09-09 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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