Main Functions SiMT041509E
17 Function and Control
1.5 Program Dry Operation
Outline Program dry operation removes humidity while preventing the room temperature from lowering.
Since the microcomputer controls both the temperature and airflow rate, the temperature
adjustment and FAN setting buttons are inoperable.
Detail The microcomputer automatically sets the temperature and airflow rate. The difference between
the room thermistor temperature at start-up and the target temperature is divided into two
zones. Then, the unit operates in an appropriate capacity for each zone to maintain the
temperature and humidity at a comfortable level.
Thermostat turns on also when the room temperature is in the zone B for 10 minutes.
Room thermistor
temperature at start-up
Target temperature
X
Thermostat OFF point
Y
Thermostat ON point
Z
24°C or more
Room thermistor
temperature at start-up
X – 2.5°C X – 0.5°C
18 ~ 23.5°C X – 2.0°C X – 0.5°C
17.5°C or less 18°C X – 2.0°C X – 0.5°C = 17.5°C
Zone A = Thermostat OFF
Y
+0.5ºC
Z
X
Zone B
Zone B
Zone C = Thermostat ON
(R11581)
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