General Functions
SiBE04-101
34
Main Function
1.13
Automatic Operation
Outline
To maintain the set temperature and set air volume, the operation of air conditioner is switched
automatically to cooling or heating within the differentials as follows.
Only the heat pump type model is equipped with this function.
Details of the
Function
1. Remote controller setting temperature is set as automatic cooling / heating setting temperature (18 to
30˚C).
2. Operation ON / OFF point and mode switching point are as follows.
Heating
→
Cooling switching point: Room temperature
≥
Main unit setting tempe2.5 deg.
Cooling
→
Heating switching point: Room temperature < Main unit setting temperature –2.5 deg.
Thermostat ON / OFF point is the same as the ON / OFF point of cooling or heating operation.
3. During initial operation
Room temperature
≥
Remote controller setting temperature: Cooling operation
Room temperature < Remote controller setting temperature: Heating operation
However, in the Powerful mode, the guard time should be set separately to prevent hunting in cooling /
heating mode.
Heating /
cooling switching point
2.5 deg.
or higher
(Heating thermostat
OFF point)
Main unit setting
temperature
(Cooling thermostat
OFF point)
Cooling /
heating switching point
Cooling
operation
Heating
operation
Cooling
operation
With compressor capacity supplied
With no compressor capacity supplied
(1.5 deg.)
or higher
Less than
(1.5 deg.)
2.5 deg.
or higher
(R1039)
SiBE04-101.book Page 34 Monday, October 15, 2001 3:08 PM
