Main Functions
1.7
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 zone A.
Thermostat ON Condition
The temperature difference returns to zone C after being in zone A.
The system resumes from defrost control in any zone except A.
The operation turns on in any zone except A.
The monitoring time has passed while the temperature difference is in zone B.
Cooling / Dry
Heating
Refer to "Temperature Control" on page 29 for detail.
35
(Cooling / Dry : 10 minutes, Heating : 10 seconds)
Duct-Free System
– 1.5˚C (– 2.7˚F)
Slim Duct Built-in System
–1.5˚C (–2.7˚F)
Duct-Free System
1.0˚C (1.8˚F)
Slim Duct Built-in System
1.0˚C (1.8˚F)
ON
C
B
A
OFF
Room thermistor temperature – target temperature
ON
Cooling : –1.0˚C (–1.8˚F)
Dry : –1.0˚C (–1.8˚F)
C
B
Cooling : –2.0˚C (–3.6˚F)
Dry : –2.5 ~ –2.0˚C (–4.5 ~ –3.6˚F)
A
OFF
OFF
A
B
C
ON
Room thermistor temperature – target temperature
OFF
OFF
A A
1.5˚C (2.7˚F)
B B
C C
0.5˚C (0.9˚F)
ON
ON
Room thermistor temperature – target temperature
Cooling : – 0.5˚C (– 0.9˚F)
Dry : – 0.5˚C (– 0.9˚F)
Cooling : – 2.0˚C (– 3.6˚F)
Dry : – 2.5 ~ – 2.0˚C (– 4.5 ~ – 3.6˚F)
Room thermistor temperature – Target temperature
1.5˚C (2.7˚F)
0˚C (0˚F)
(R12402)
Function and Control
SiUS12-928_A
(R12399)
(R12400)
(R12401)