Sleep Timer Operation - Fujitsu Inverter Halcyon ASU18RLXS Operating Manual

SLEEP TIMER OPERATION

Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.
To Use the SLEEP Timer
While the air conditioner is operating or stopped, press the
SLEEP button (Fig. 6 b5).
The indoor unit's OPERATION Indicator Lamp (green) (Fig. 3 a5) lights and the TIMER
Indicator Lamp (orange) (Fig. 3 a6) light.
To Change the Timer Settings
Press the SLEEP button (Fig. 6 b5) once again and set the
time using the TIMER SET (
Set the time while the Timer Mode Display is fl ashing (the fl ashing will continue about
fi ve seconds).
button: Press to advance the time.
button: Press to reverse the time.
About fi ve seconds later, the entire display will reappear.
About the SLEEP Timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifi es the thermostat setting in ac-
cordance with the set time setting. When the set time has elapsed, the air conditioner completely stops.
During Heating operation:
When the SLEEP timer is set, the ther mostat setting is
automatically lowered 2 °F every thirty minutes. When the ther-
mostat has been lowered a total of 8 °F, the thermostat setting at
that time is maintained until the set time has elapsed, at which
time the air conditioner automatically turns off.
SLEEP timer setting
Set temp.
2 °F
30
minutes
1 hour
1 hour
30 minutes
En-9
/ ) buttons (Fig. 6 b13).
4 °F
6 °F
8 °F
Set time
To Cancel the Timer:
Use the TIMER MODE button to select
"CANCEL".
The air conditioner will return to normal
operation.
To Stop the Air Conditioner During
Timer Operation:
Press the START/STOP button.
During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is automati-
cally raised 2 °F every sixty minutes. When the thermostat has
been raised a total of 4 °F, the thermostat setting at that time is
maintained until the set time has elapsed, at which time the air
conditioner automatically turns off.
SLEEP timer setting
Set time
1 hour
2 °F
Set temp.
4 °F