Service manual

SiBE05-722ED Main Functions
Function and Control 32
1.7 Thermostat Control
Outline Thermostat control is based on the difference between the room thermistor temperature and the
target temperature.
Detail Thermostat OFF Condition

The temperature difference is in the zone A.
Thermostat ON Conditions

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>
<Heating>
Refer to Temperature Control on page 27 for detail.
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
A
OFF
ON
C
1.5˚C
1.0˚C
Room thermistor temperature – target temperature
0˚C
(R12320)