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Sleep Timer Operation; Manual Auto Operation - Fujitsu Inverter 9374379453 Operating Manual

Air conditioner compact cassette type heat & cool model (reverse cycle)
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Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.
If the indoor unit is connected to a wired remote controller, the wireless remote controller cannot be used to set the sleep timer.
To Use the SLEEP Timer
While the air conditioner is operating or stopped, press the
SLEEP button.
The indoor unit's OPERATION Indicator Lamp lights and the TIMER Indicator Lamp
To Change the Timer Settings
Press the SLEEP button once again and set the time using
button: Press to advance the time.
button: Press to reverse the time.
About 5 seconds later, the entire display will reappear.
About the SLEEP Timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modi¿ 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 thermostat setting is
automatically lowered 1 °C every 30 minutes. When the thermo-
stat 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
1 hour


Use the MANUAL AUTO operation in the event the Remote Controller is lost or otherwise unavailable.
How To Use the Main Unit Controls
Press the MANUAL AUTO button more than
3 seconds and less than 10 seconds on the
main unit control panel.
To stop operation, press the MANUAL AUTO button once again.
(Controls are located inside the intake grille)
) buttons.
1 °C
2 °C
3 °C
4 °C
1 hour
30 minutes
Set time
To Cancel the Timer:
Use the TIMER MODE button to select "CAN-
The air conditioner will return to normal opera-
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 1 °C every 1 hour. When the thermostat has been
raised a total of 2 °C, the thermostat setting at that time is main-
tained until the set time has elapsed, at which time the air condi-
tioner automatically turns off.
SLEEP timer setting
● When the air conditioner is operated
● The fan speed selected will be "AUTO"
Set time
1 hour
2 °C
1 °C
with the controls on the MANUAL AUTO
button, it will operate under the same
mode as the AUTO mode selected on
the Remote Controller.
and the thermostat setting will be stand-


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