Sleep Timer Operation - Fujitsu AST13PSA–W Operating Manual

SLEEP TIMER OPERATION

Unlike other timer functions, the SLEEP timer is
used to set the length of time until air conditioner
operation is stopped.
To Use the SLEEP Timer
While the air conditioner is operating or
stopped, press the SLEEP button (Fig. 6 t).
The indoor unit's OPERATION Indicator Lamp (red)
(Fig.3 t) will light.
• To Cancel the Timer
Use the TIMER button to select "TIMER RESET."
The air conditioner will return to normal operation.
To Change the Timer Setting
Press the SLEEP button (Fig 6. @0 ) once
again and set the time using the SET TIME
buttons (Fig 6. @2 ) .
Set the time while the Timer Mode Display is flash-
ing (the flashing will continue about five seconds).
button : Press to advance the time.
button : Press to reverse the time.
About five seconds later, the entire display will
reappear.
• To Stop the Air Conditioner During Timer
Operation:
Press the START/STOP button.
About the SLEEP Timer
To prevent excessive warming or cooling during
sleep, the SLEEP timer function automatically modi-
fies the thermostat setting in accordance with the
time setting. When the set 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 thermostat 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
During Cooling/Dry operation :
When the SLEEP timer is set, the thermostat setting is
automatically raised 1°C every sixty minutes. When the
thermostat has been raised a total of 2°C, the thermo-
stat setting at that time is maintained until the set time
has elapsed, at which time the air conditioner automati-
cally turns off.
• SLEEP timer setting
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