Title:
AIR CONDITIONING DEVICE
Document Type and Number:
Japanese Patent JP2017116156
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To execute a refrigerant charging operation capable of properly charging a predetermined amount of refrigerant to a refrigerant circuit without excessively lowering an indoor temperature even when an outdoor temperature is low, in an air conditioning device including the refrigerant circuit constituted by connecting an outdoor unit having an outdoor heat exchanger and a plurality of indoor units having indoor heat exchangers through a liquid refrigerant communication pipe and a gas refrigerant communication pipe.SOLUTION: A control portion (8) executes a cooling refrigerant charging operation until a refrigerant charging completion condition to charge a predetermined amount of refrigerant to a refrigerant circuit (10), after a heating refrigerant charging operation is executed until a heating refrigerant charging completion condition is satisfied, when the total volume of a plurality of indoor heat exchangers (52a, 52b) is smaller than a volume of an outdoor heat exchanger (24).SELECTED DRAWING: Figure 4
Inventors:
OURA RYUTA
MINAMI JUNYA
MINAMI JUNYA
Application Number:
JP2015250318A
Publication Date:
June 29, 2017
Filing Date:
December 22, 2015
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F25B45/00; F25B5/02; F25B41/04
Domestic Patent References:
| JP2009109156A | 2009-05-21 | |||
| JP2005241172A | 2005-09-08 | |||
| JP2003028542A | 2003-01-29 | |||
| JPS59145460A | 1984-08-20 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation