Airflow Settings; Fan Speed Setting; Timer Operations; On Timer Or Off Timer - Fujitsu ARXG12-54KHTAP Operating Manual

■ Cooling mode
Use to cool your room.
NOTES:
• Set the temperature lower than the current room temperature,
otherwise, the fan alone will operate.
• The indoor unit fan may stop from time to time because of the Fan
control for energy saving (refer to page 4).
■ Dry mode
Use for gently cooling while dehumidifying your room.
NOTES:
• You cannot heat the room.
• Set the temperature lower than the current room temperature,
otherwise, the operation will not operate.
• The unit will operate at low speed in order to adjust room humidity.
The indoor unit's fan may stop from time to time. Also, the fan may
operate at very low speed when adjusting room humidity.
• The fan speed cannot be changed manually.
■ Fan mode
Use to circulate the air throughout your room.
NOTES: You cannot set the temperature.
■ Heating mode
Use to warm your room.
NOTES:
• Set the temperature higher than the current room temperature,
otherwise, the operation will not operate.
• At the beginning of the operation, the indoor unit fan rotates at very
low speed for 3-5 minutes to warm the internal indoor unit. After the
period, the indoor unit fan will switch to the selected fan speed.
• When the room temperature is very low, frost may form on the
outdoor unit, and its performance may be reduced. In order to
remove such frost, the unit will automatically enter the defrost
cycle from time to time. During Automatic defrosting operation, the
Heating operation will be interrupted.
• After the start of Heating operation, it takes sometime before the
room gets warmer.

3. AIRFLOW SETTINGS

NOTES: For detailed instructions on how to operate, please refer to the
operating manual of the remote controller.

3.1. Fan speed setting

The fan speed changes as follows.
Auto High
When Auto is selected, the fan speed is automatically adjusted
according to the operation mode.
Heating: The fan will operate at very low speed when the
temperature of the air issued from the indoor unit is low.
Cooling: As the room temperature approaches that of the set
temperature, the fan speed becomes slower.
Fan: The fan runs at low fan speed.
The fan will operate at a very low setting during monitor operation and
at the start of the heating mode.
When Quiet is selected, Super Quiet operation begins. The indoor unit's
airfl ow will be reduced for quieter operation.
● The Super Quiet operation cannot be used during the Dry mode. (The
same is true when the Dry mode is selected during the Auto mode
operation.)
● During the Super Quiet operation, heating and cooling performance
will be reduced somewhat. If the room does not warm up/ cool down
when using the Super Quiet operation, please adjust the indoor unit's
fan speed.
En-3
Med Low Quiet

4. TIMER OPERATIONS

NOTES: In simultaneous multi connection, this function by using the
wireless remote controller cannot be used.
4.1. On timer or Off timer
NOTES: Depending on the remote controller, this function may not be
available.
The On timer starts the operation at your desired time.
The Off timer stops the operation at your desired time.

4.2. Weekly timer

NOTES: This function is available only by the wired remote controller.
The Weekly timer enables you to set operation schedules up to 4 setting
for each day of the week.
Use the Day off setting to switch off timed operation for a selected day
in the coming week. Because all days can be set together, the weekly
timer can be used to repeat the timer settings for all of the days.
Temperature setting range
Auto, Cooling, 18-30 °C
or Dry mode: *Even if you set to 10, 16, or 17 °C, the air
conditioner will run at 18 °C.
Heating mode: 10 or 16-30 °C
• The operation modes will be the same as the mode at the last
time operation was stopped. So Cooling → Heating → Cooling →
Heating type of operations cannot be set automatically.
• If you set the On timer and Off timer on the same time, the On timer
will work.
• If two On timers are set on the same time, the air conditioner will run
in the order of the program number.
• You cannot the Weekly timer and the other timers simultaneously
If you use the On/Off timer, the Program timer, or the Sleep timer
while the Weekly timer is activated, the Weekly timer will be
deactivated.
In such a case, activate the Weekly timer after the other timer
fi nishes.

4.3. Program timer

NOTES: This function is available only when using the wireless remote
controller.
The Program timer operates as the combination of the On timer and Off
timer.
You can set the Program timer only within a span of 24 hours.

4.4. Sleep timer

NOTES: This function is available only when using the wireless remote
controller.
The Sleep timer supports your comfortable sleep by moderating the air
conditioner operation gradually.
The time setting of the Sleep timer changes as follows:
0H 1H 2H
30M 00M 00M
(30 min.)
During the Sleep timer operation, the setting temperature changes as
the following fi gure.
In Heating mode
1 °C 2 °C 3 °C 4 °C
30 min.
1 hour
1.5 hour
Set time
After the set time has elapsed, the air conditioner operation turns off .
3H 5H 7H 9H
00M 00M 00M 00M
hours
In Cooling or Dry mode
Set time
Set
temperature
1 hour
1 °C
2 °C