Title:
MULTI-TYPE AIR CONDITIONER
Document Type and Number:
Japanese Patent JP2015210013
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a multi-type air conditioner which can detect abnormality of an outdoor unit which causes the stagnation of refrigerant in an outdoor heat exchanger.SOLUTION: A multi-type air conditioner 1 includes an abnormality determination unit which determines an abnormality of an outdoor unit. The abnormality determination unit determines an abnormality of an outdoor unit in shutdown of a plurality of outdoor units on the basis of a temperature difference ΔT between a temperature T3b of a third pipeline connected to the outdoor heat exchanger provided in the outdoor unit in shutdown and a temperature T3a of a third pipeline connected to an outdoor heat exchanger provided in an outdoor unit in operation.
Inventors:
NISHIKAWA TOMOHIDE
Application Number:
JP2014091324A
Publication Date:
November 24, 2015
Filing Date:
April 25, 2014
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
F25B49/02; F24F11/02; F25B13/00
Domestic Patent References:
| JP2007107859A | 2007-04-26 | |||
| JP2013061132A | 2013-04-04 | |||
| JP2007218512A | 2007-08-30 | |||
| JP2009222247A | 2009-10-01 |
Foreign References:
| US20050257565A1 | 2005-11-24 |
Attorney, Agent or Firm:
Patent business corporation Prospec patent office
Kenai Kanai
Kenai Kanai