Hitachi RC-BGH1FA0G Manual page 21

Smart Eco Logic
When the presence of people is not detected for 20 minutes, the set temperature is automatically shifted for
energy saving. If nobody is in the room for 60 minutes, the set temperature is shifted further.
Cooling operation [diagram representation
for illustrative purpose only]
Setting
temperature
Shift
temperature
20 minutes
The unit returns to normal operation when the sensor detects human movement.
The set temperature is adjusted automatically, but the temperature display on the remote controller does not
change.
NOTE
The sensor detects changes to the infrared generated by human bodies. Therefore the accuracy of sensor
may be affected in the following cases:
● The activity level is very low ( reading , watching TV, etc.) or human bodies are blocked by a screen ,
cabinet or glass board.
● The Indoor temperature is very high and exceeds or approaches the human body temperature ( When
refrigeration just begins)
● Person wears thick clothes and turns his/her back to the air conditioner.
● Curtains or plant leaves swing due to pet movement or airflow.
■
Smart Eco with Auto-Off Logic
The motion before Auto-Off ( Operation stop)
●
If the Unit cannot find any person during Eco with Auto-Off operation for 60 minutes , the operation stops
automatically.
●
The operation does not restart if person comes back to the room after stopping the operation.
User need to restart operation by remote controller.
●
During Off Timer operation , Priority is given to Off timer operation.
NOTE
● If there are infants or a person who is on bed due to sickness , it is recommended not to set "Auto-Off" Unit
may judge that nobody is in the room and stop the operation of the Unit.
● In following cases , the operation may stop automatically
If there is a person in the place where human sensor cannot detect it presence.
●
If there is a sleeping person to little child only.
●
If there is pet only.
●
In these cases it is recommended to cancel
Shift
temperature
60 minutes
60 minutes
Auto-Off
The operation stops
Auto-Off function.
- 21 -
Heating operation [diagram representation
for illustrative purpose only]
Setting
temperature
Shift
temperature
20 minutes
Shift
temperature
60 minutes