Fujitsu ABU30 Sleep Timer Operation, En-10, To Use the SLEEP timer, To Change the Timer Settings

Models: ABU30 Air Conditioner Ceiling Suspension Type

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SLEEP TIMER OPERATION

TIMER OPERATION

About the PROGRAM timer

The PROGRAM timer allows you to integrate OFF timer and ON timer operations in a single sequence. The se- quence can involve one transition from OFF timer to ON timer, or from ON timer to OFF timer, within a twenty- four hour period.

The first timer function to operate will be the one set near- est to the current time. The order of operation is indi-

cated by the arrow in the remote control unit’s display (OFF ON, or OFF ON).

One example of PROGRAM timer use might be to have the air conditioner automatically stop (OFF timer) after you go to sleep, then start (ON timer) automatically in the morning before you rise.

About the ON timer

The timer function is designed to bring your room to a comfortable temperature by the set time; as a result, the unit automatically begins operation before the set time so that the room reaches the desired temperature by the time set on the timer.

The hotter it is in summer, or the colder it is in winter, the earlier that operation will begin.

*During Heating Operation ....... from 45 to 10 minutes be- fore set time.

During Cooling/Dry Operation ... from 20 to 10 minutes be- fore set time.

During Fan Operation

at the set time.

SLEEP TIMER OPERATION

Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).

Unlike other timer functions, the SLEEP timer is designed to set the duration of time in which the unit does not operate.

To Use the SLEEP timer

While the air conditioner is operating or stopped, press the SLEEP button.

Both the indoor unit’s OPERATION indicator light (red) and the TIMER indicator light (green) will turn on.

To Change the Timer Settings

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).

To Use the SLEEP timer button: Press to advance the time. To Change the Timer Settings button: Press to reverse the time.

About five seconds later, the entire display will reappear.

SLEEP

 

 

TIMER

 

 

 

SLEEP

COOL

 

 

 

MASTER

SET

SET

FAN

CONTROL

TEMP.

TIME

CONTROL

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.

About the SLEEP timer

To prevent excessive heating 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:

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.

During Cooling/Dry operation:

When the SLEEP timer is set, the thermostat setting is auto- matically raised 2 °F every sixty minutes. When the thermo- stat 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

 

 

 

 

 

SLEEP timer setting

 

 

 

 

 

 

2 °F

4

°F

6

°F

 

Set time

 

 

 

8

°F

 

 

 

 

 

30

1 hour

 

 

minutes

 

 

 

 

 

1 hour

2 °F

4

°F

 

 

 

 

1 hour

30 minutes

Set time

En-10

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Fujitsu ABU30 Sleep Timer Operation, En-10, To Use the SLEEP timer, To Change the Timer Settings, During Heating operation