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141
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'10 • SR-T-091
(8) Outline of heating operation
(a) Operation of major functional components in heating mode
(b) Details of control at each operation mode (pattern)
1) Fuzzy operation
Deviation between the indoor temperature setting correction temperature and the return air temperature is calculated in
accordance with the fuzzy rule, and used for control of the air capacity and the compressor speed.
When the defrosting, protection device, etc. is actuated, operation is performed in the corresponding mode.
2) Hot keep operation
If the hot keep operation is selected during the heating operation, the indoor blower is controlled based on the temperature
of the indoor heat exchanger (Th2) to prevent blowing of cool wind.
(b) Auto air outlet selection
1) COOL, DRY operation
a) In case both lower and upper outlets operation is selected in Cooling or Dry
operation, both outlets will be kept for sixty minutes after the start or until
indoor temperature is below the setting point. And then the air outlet will change
to the upper outlet. That state will be maintained until switch is turned off.
b) In case both outlets operation with Auto fan speed mode is selected, the upper
outlet will be kept for ten minutes after the start or until indoor temperature is
close to reaching the setting point . And then the air outlet will change to both
outlets in order to spread comfort air to every corner.
(b) Sleep timer operation
Pressing the SLEEP button causes the temperature to be controlled with respect to the set temperature.
(7) Timer operation
(a) Comfortable timer setting (ON timer)
(c) OFF timer operation
The Off timer can be set at a specic time (in 10-minute units) within a 24-hour period.
If the timer is set at ON when the operation select switch is set at the cooling or heating, or the cooling or heating in auto mode
operation is selected, the comfortable timer starts and determines the starting time of next operation based on the initial value
of 15 minutes and the relationship between the indoor temperature at the setting time (temperature of room temperature sensor)
and the setting temperature.
2) HEAT operation
a) In case both lower and upper outlets operation with Auto fan speed mode is
selected, the lower outlet will be kept for twenty minutes after the start or until
indoor temperature is close to reaching the setting point . And then the air outlet will
change to both outlets. That state will be maintained until the switch is turned off.
b) Automatic adjustment of lower air outlet direction prevents stirring up of
warm air and keeps optimum comfort at oor level.
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