Specifications

Main Functions SiUS12-928_A
35 Function and Control
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 : 10 minutes, Heating : 10 seconds)
Cooling / Dry
 Duct-Free System
 Slim Duct Built-in System
Heating
 Duct-Free System
 Slim Duct Built-in System
Refer to “Temperature Control” on page 29 for detail.
B
A
OFF
ON
C
Cooling : – 0.5˚C (– 0.9˚F)
Dry : – 0.5˚C (– 0.9˚F)
Room thermistor temperature – target temperature
– 1.5˚C (– 2.7˚F)
Cooling : – 2.0˚C (– 3.6˚F)
Dry : – 2.5 ~ – 2.0˚C (– 4.5 ~ – 3.6˚F)
(R12399)
B
A
OFF
ON
C
Cooling : –1.0˚C (–1.8˚F)
Dry : –1.0˚C (–1.8˚F)
Room thermistor temperature – target temperature
–1.5˚C (–2.7˚F)
Cooling : –2.0˚C (–3.6˚F)
Dry : –2.5 ~ –2.0˚C (–4.5 ~ –3.6˚F)
(R12400)
B
A
OFF
ON
C
1.5˚C (2.7˚F)
Room thermistor temperature – Target temperature
0˚C (0˚F)
(R12401)
1.0˚C (1.8˚F)
BB
AA
OFFOFF
ONON
CC
1.5˚C (2.7˚F)
0.5˚C (0.9˚F)
1.0˚C (1.8˚F)
Room thermistor temperature – target temperature
(R12402)