Title:
VENTILATION DEVICE AND DEFROSTING CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2018/025369
Kind Code:
A1
Abstract:
A ventilation device wherein a control device is configured so as to perform a first defrosting operation with respect to a first heat exchanger (total heat exchanger) at a first time (Ts1) after the elapse of a first idle time from the fulfillment of a first frost formation condition. The control device is configured so as to perform a second defrosting operation with respect to a second heat exchanger (outdoor heat exchanger) at a second time (Ts2) after the elapse of a second idle time from the fulfillment of a second frost formation condition. The control device is configured to perform a third defrosting operation for defrosting both the first heat exchanger and the second heat exchanger at the first time (Ts1) when the second frost formation condition is fulfilled during the first idle time. The control device is configured so as to perform the third defrosting operation (synchronous defrosting operation) at the second time (Ts2) when the first frost formation condition is fulfilled during the second idle time.
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| JP7335521 | air conditioner |
Inventors:
ITO SHINICHI (JP)
TOYOSHIMA MASAKI (JP)
HAMADA MAMORU (JP)
TOYOSHIMA MASAKI (JP)
HAMADA MAMORU (JP)
Application Number:
PCT/JP2016/072921
Publication Date:
February 08, 2018
Filing Date:
August 04, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F7/08
Foreign References:
| JP2011202814A | 2011-10-13 | |||
| US20070084586A1 | 2007-04-19 | |||
| US20120180505A1 | 2012-07-19 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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