PURPOSE: To improve the comfortable feeling in sleeping and to obtain the energy conservation by shifting a target set temperature by a predetermined temperature after the air conditioning capacity during control operation approaches the value of air conditioning capacity for maintaining a target set temperature within a predetermined range.
CONSTITUTION: A 'sleeping mode' set key provided at a remote controller 14 is executed to execute a program for controlling an air volume, a temperature, etc., for realizing a comfortable sleeping. The operation signal from the controller 14 is received by an optical sensor in an indoor unit 10, and the controller controls the temperature, the humidity in a room according to the code of the received signal. When the operation for approaching the set temperature is conducted, the air conditioning capacity necessary during the control operation is gradually brought to the capacity for maintaining the set temperature of the target. In this case, when the present capacity approaches to that for maintaining the set temperature within a predetermined range, the set temperature is shifted by a predetermined temperature.
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TAKADA HAJIME
OKUBO KATSUHIRO
NUNOKAWA HIROYUKI
