Fujitsu AB F18LAT Series Service Instruction page 20

3. SLEEP TIMER
If the sleep timer is set, the room temperature is monitored and the operation is stopped automatically.
If the operation mode or the set temperature is change after the sleep timer is set, the operation is
continued according to the changed setting of the sleep timer from that time ON.
In the cooling operation mode
When the sleep timer is set, the setting temperature is increased 1 degC.
It increases the setting temperature another 1 degC after 1 hour.
After that, the setting temperature is not changed and the operation is stopped at the time
of timer setting.
Set temperature rises
( Ts : Set temperature )
In the heating operation mode
When the sleep timer is set, the setting temperature is decreased 1 degC.
It decreases the setting temperature another 1 degC every 30 minutes.
Upon lowering 4 degC, the setting temperature is not changed and the operation stops
at the time of timer setting.
Set temperature lowers
( Ts : Set temperature )
+2degC
+1degC
Ts
Set
Ts
-1degC
-2degC
-3degC
-4degC
Set
30min
01-16
Stop of operation
60min
Stop of operation
30min 30min