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.
Both the indoor unit’s OPERATION indicator lamp (red) and the TIMER indicator lamp (green) will light.
To Change the Timer Settings
To Cancel the Timer:
Use the TIMER button to select “TIMER RESET”.
The air conditioner will return to normal operation.
To Stop the Air Conditioner During Timer Operation:
Press the START/STOP button.
Press the SLEEP button once again and set the time using the
SET TIME buttons.
Set the time while the Timer Mode Display is flashing (the flashing will continue for about five seconds).
button: Press to advance the time. 
button: Press to reverse the time.
About five seconds later, the entire display will reappear.
About the SLEEP timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accordance with the time setting. When the set time has elapsed, the air conditioner completely stops.
During Heating operation (HEAT & COOL MODEL (Reverse cycle) only):
When the SLEEP timer is set, the thermostat setting is automatically lowered 2 °F every thirty minutes. When the thermostat 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
2 °F | 4 °F | 6 °F |
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| 8 °F | ||
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During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is auto- matically rised 2 °F every sixty minutes. When the thermostat has been rised 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
30 minutes
1 hour
1 hour
30 minutes
1 hour
2 °F
4 °F
Set time
MANUAL AUTO OPERATION
Use the MANUAL AUTO operation in the event the remote control unit is lost or otherwise unavailable.
How To Use the Main Unit Controls
Press the MANUAL AUTO button on the main unit control panel.
To stop operation, press the MANUAL AUTO button once again.
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CAUTION!
Do not press the MANUAL AUTO button with wet hands or pointed objects, otherwise an electric shock or malfunction may occur.
●When the air conditioner is operated with the controls on the Main unit, it will operate under the same mode as the AUTO mode selected on the re- mote control unit (see page 7).
●The fan speed selected will be “AUTO” and the thermostat setting will be 74 °F.
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