SiBE18-821_C Indoor Unit Control (RA Models)
Function 107
7.7 Thermostat Control
Thermostat control is based on the difference between the room thermistor temperature and the
target temperature.
Thermostat OFF Condition

The temperature difference is in the zone A.
Thermostat ON Condition

The temperature difference returns to the zone C after being in the zone A.

The system resumes from defrost control in any zones except A.

The operation turns on in any zones except A.

The monitoring time has passed while the temperature difference is in the zone B.
(Cooling / Dry : 10 minutes, Heating : 10 seconds)
<Cooling / Dry>
Wall Mounted Type, Floor Standing Type
Floor / Ceiling Suspended Dual Type, Duct Connected Type
B
A
OFF
ON
C
Room thermistor temperature – target temperature
–1.5˚C
(R12319)
Cooling : –0.5˚C Dry :
–0.5˚C
Cooling : –2.0˚C Dry :
–2.5 ~ –2.0˚C
B