Service manual

SiEBE12-625 Main Functions
Function and Control 65
1.8 Night Set Mode
When the OFF timer is set, the Night Set circuit automatically activates.
The Night Set circuit maintains the airflow setting made by users.
The Night Set
Circuit
The Night Set circuit continues heating or cooling the room at the set temperature for the first
one hour, then automatically raises the temperature setting slightly in the case of cooling, or
lowers it slightly in the case of heating, for economical operations. This prevents excessive
heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions,
and also conserves electricity.
Cooling
Operation
In case of FTXG25-35E, CTXG50E, FTK(X)S20-50D the temperature rises once.
Heating
Operation
Tem pe rature
setting +1°C
Operation stops
at the set hours
Timer operation
Night Set Circuit
ON
+0.5°C
temperature shift
+0.5°C temperature shift
When outside temperature is normal and
room temperature isat set temperature.
When outside temperature is high (27°C or higher).
Te m pe r ature setting remains the same
Tem pe rature
setting +0.5°C
Temperature
setting
:
:
1 hour
0.5°C
0.5°C
30 ;inutes
Timer operation
Night Set Circuit ON
+0.5°C
temperature shift
Operation stops
at the set hours
Temperature
setting +0.5°C
0.5°C
1 hour
Temperature
setting
Thermostat
setting
Timer operation
Night Set Circuit ON
1 hour later
2°C