SiSG121917E
Wall Mounted and LSP Duct Type Functions
Part 4 Functions and Control
50
1.7 Thermostat Control
Outline
Thermostat control is based on the difference between the room thermistor temperature and the
target temperature.
Details
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 operation turns on in any zones except A.
The temperature difference remains in zone B for the determined monitoring time.
(Cooling : 10 minutes, Dry : 450 seconds)
Cooling/Dry
1.8 NIGHT SET Mode
Outline
When the OFF TIMER is set, NIGHT SET mode is automatically activated. NIGHT SET mode
keeps the airflow rate setting.
Details
NIGHT SET mode continues operation at the target temperature for the first one hour, then
automatically raises the target temperature slightly. This prevents excessive cooling to ensure
comfortable sleeping conditions, and also conserves electricity.
Cooling
Zone B
Zone A
OFF
ON
Zone C
Room thermistor temperature – target temperature
–1.5˚C
(R22110)
Cooling : –0.5˚C
Dry : –0.5˚C
Cooling : –2.0˚C
Dry : –2.5 ~ –2.0˚C
(R23826)
Target temperature
+0.5˚C
temperature shift
Operation stops
at the set hour
0.5˚C
1 hour
TIMER operation
NIGHT SET Mode ON