Si30-408 Control of Indoor Unit
Basic Information 33
4.5 Thermostat Control in Cooling / Heating Automatic
Operation
In cooling / heating automatic operation, the unit is controlled as shown below based on set
"differential value". Factory setting of differential valve is 5°C. As to charging method of setting
value, refer to page 43 and page 44.
Cooling/Heating
Differential: at
5°C
Automatic heating
22˚C
Automatic cooling
27˚C
Display selection
Cooling→Heating
Display selection
Heating→Cooling
Cooling thermostat ON
Cooling thermostat OFF
3˚C
Heating thermostat OFF
Heating thermostat ON
T=5˚C
T/2+2˚C(4.5˚C)
Cooling / heating differential : at 3˚C
Automatic heating
22˚C
Automatic cooling
25˚C
T=3˚C
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