Sleep Timer Operation - Fujitsu AST7USACW 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 J).
The SLEEP TIMER mark (
Within 3 seconds after (
button once again.
Each time the button is presssd, the time changes in the following order:
→ 1.0 → 2.0 → 3.0 → 5.0
About three seconds later, the entire display will reappear.
The Indoor Unit's OPERATION Indicator Lamp (red) (Fig. 3 5) and the TIMER indica-
tor lamp (green) (Fig. 3 6) light.
To Change the Timer Settings
Press the SLEEP button once to display the last setting time.
Press the SLEEP button again to change the time.
Each time the button is pressed, the time changes in the following order (Change
from the last setting time):
→ 1.0 → 2.0 → 3.0 → 5.0 → 7.0 → 9.0(hour)
About the SLEEP timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifies the thermostat set-
ting in accordance with the time setting. When the time has elapsed, the air conditioner completely stops.
During Heating operation:
When the SLEEP timer is set, the thermostat setting is
automatically lowered 1°C every thirty minutes. When the ther-
mostat has been lowered a total of 4°C, 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
30
minutes
Confirmation of TIMER's time
To confirm each TIMER's time, press SET button while setting OFF TIMER, ON TIMER or SLEEP TIMER (or during running).
If SET button is pressed, it will be changed into time display from temperature setting display. The left time of the TIMER
which is being set currently will be displayed for 5 seconds, then it will return to temperature setting display.
9
) on the remote control unit's display will light.
) light the time can be changed by pressing SLEEP
(RESET)
(RESET)
1°C
2°C
3°C
4°C
1 hour
1 hour
30 minutes
Set time
→ 7.0 →
9.0(hour)
During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is auto-
matically raised 1 °C every sixty minutes. When the ther-
mostat has been raised a total of 2 °C, the thermostat set-
ting at that time is maintained until the set time has elapsed,
at which time the air conditioner automatically turns off.
SLEEP timer setting
To Cancel the Timer:
Press the CANCEL TIMER button.
To Stop the Air Conditioner During
Timer Operation:
Press the START/STOP button.
Set time
1 hour
2 °C
1 °C