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12. Alarm mode display / only displayed while operating.
CO : The sensor for sensing room temperature is open or short.
C1 : The sensor for sensing piping temperature is open or short.
13. Energy Saving
➀ If setting temperature of starting energy saving operation is under 22°C(71.6°F), first, setting temperature it
up to 22°C(71.6°F) and perform energy saving operation.
➁ After energy saving operation starts, if adaptation time of the human body pass from the point which room
temperature and setting temperature meet together, increase setting temperature 1°C(1.8°F) more.
➂ If it doesn't satisfy number ➀ even in 50 minutes from the start of energy saving operation, increase
1°C(1.8°F).
➃ After increasing setting temperature 1°C(1.8°F) more by number ➀, ➁, perform number ➁, ➂ again, if setting
temperature goes up to 25°C(77.0°F), maintain this temperature.
➄ If setting temperature goes down to under 25°C(77.0°F), during the operation, do number ➁, ➂, ➃ again.
14. AUTO RESTART
In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate
procedures automatically to the previous operating conditions.
15. Function of changing set temperature when re-operation after stop.
Operation is set the following condition when re-operation with start/stop button.
1.Operation mode.
Cooling/soft dry mode
Cooling mode
Heating mode Heating mode
2. Setting the set temperature when cooling operation.
Room temperature > Set temperature: to be set to the previous set temperature.
Room temperature ≤ Set temperature
a) Room temperature ≥ 26°C(78.8°F): to be set to 24°C(75.2°F)
b) 22°C(71.6°F) ≤ Room temperature ≤ 25°C(77.0°F): to be set to 21°C(69.8°F)
c) 19°C(66.2°F) ≤ Room temperature ≤ 21°C(69.8°F): to be set to -1°C(1.8°F) less than room temperature.
d) Room temperature ≤ 18°C(64.4°F): to be set to 18°C(64.4°F)
–21–
Setting energy
saving operation
Setting temp.
23°C(73.4°F)
21°C(69.8°F)
22°C(71.6°F)
23°C(73.4°F)
24°C(75.2°F)
25˚C(77.0°F)
26°C(78.8°F)
27°C(80.6°F)
Setting temp.
24°C(75.2°F)
Setting temp.
25°C(77.0°F)
maintains setting temp.
25°C(77.0°F)
28min.
50min. 50min. 50min.
35min. 47min.