Remote Controller Overview and Operations
Program timer (combined use of the ON timer and the OFF timer)
14 POWERFUL button
Starts POWERFUL operation that enables quick cooling down or
warming up of the room.
When you press the button to start the POWERFUL operation, the
indoor unit emits 3 short beeps.
You can set an integrated ON–OFF or OFF–ON timer as follows:
ON–OFF Set the ON timer first.
Then set the OFF timer by the air conditioner starts opera-
tion controlled with the ON timer earlier set.
OFF–ON Set the OFF timer first.
POWERFUL operation is automatically turned off in the following
situations:
• Adjusted room temperature reached to the defined temperature in
temperature setting in COOL, DRY, or HEAT mode.
• 20 minutes have passed after finishing the POWERFUL operation
mode setting.
Then set the ON timer by the air conditioner stops opera-
tion controlled with the OFF timer earlier set.
The timer that is set later starts counting down after the counting
down of the preceding timer is finished.
Note:
It is not turned off automatically during setting of the POWERFUL
operation.
If you change the setting value for the timer after the program timer is
set, the counting down of the timer will be reset at that moment.
Notes:
• The airflow direction and the fan speed are controlled automatically.
• This operation cannot be performed simultaneously with ECONOMY
operation.
11 SLEEP TIMER button
Each time you press the button, the time changes as follows:
To return to normal operation, press the button again. Then the indoor
unit emits 2 short beeps.
1.0
2.0
3.0
5.0
7.0
9.0
hours
CANCEL
• Set the time while the
is blinking.
To repeat the timer, press the button when the indicator is not
displayed.
indicator on the remote controller display
15 Remote controller display
In this section, all the possible indicators are displayed for description.
In actual operation, the display is linked with the button operation, and
only shows the necessary indicators for each setting.
To help you to fall asleep comfortably and prevent excessive warming
or cooling in sleep, the SLEEP timer controls the temperature setting
automatically in accordance with the set time shown as follows. The
air conditioner completely turns off after the set time has elapsed.
16 Signal transmitter
Aim to signal receiver of the indoor unit properly.
• Signal transmit indicator on the remote controller display shows
that signal from the remote controller is being transmitted.
• Operating range is approximately 7 m.
• You will hear a beep if the transmitted signal has been sent properly.
If there is no beep, press the button on the remote controller again.
In HEAT mode
In COOL or DRY mode
2 °F (1 °C)
6 °F (3 °C)
4 °F (2 °C)
8 °F (4 °C)
Set time
Set
temperature
30 min.
1 hour
1 hour
Automatic defrosting operation
When outdoor temperature is very low with high humidity, frost
may form on the outdoor unit during the heating operation, and
it could reduce the operating performance of the product.
For frost protection, a microcomputer-controlled automatic
defrost function is equipped in this air conditioner.
If frost forms, the air conditioner will temporarily stop, and
defrost circuit will operate briefly (maximum of 15 minutes.)
OPERATION indicator on the indoor unit blinks during this
operation.
1.5 hour
4 °F (2 °C)
2 °F (1 °C)
Set time
Note for TIMER settings:
Any interruption of the power supply, such as a blackout or cutting off
of a circuit breaker, makes the set internal clock go wrong. In such a
case, the TIMER indicator on the indoor unit blinks, and you need to
readjust the setting.
12 °F/°C button
If frost forms on the outdoor unit after the heating operation, the
outdoor unit will stop automatically after it operates for a few
minutes. Then the automatic defrosting operation starts.
• Used for changing the temperature unit. (Initial setting: °F )
• When you press this button, the displayed temperature unit switches
to “°C”, and returns to “°F” when you press it again.
• When you press this button, press it gently by using the tip of a
ballpoint pen or other small object in correct direction as shown in
this figure.
Auto-restart function
In event of power interruption such as a blackout, the air
conditioner stops once. But it restarts automatically and
performs previous operation when the power supply is resumed.
If any power interruption occurs after the timer is set, counting
down of the timer will be reset.
After the power supply is resumed, the TIMER indicator on the
indoor unit blinks to notify you that there has been a timer fault.
In such a case, reset the timer for your opportune time.
13 ECONOMY button
Starts or stops ECONOMY operation that saves more electricity
consumption than the other operations with a conservative adjustment
of the room temperature.
When you press the button, the ECONOMY indicator on the indoor
unit turns on.
• In COOL mode, the room temperature will be adjusted at a few
degree higher than the defined temperature.
Malfunctions caused by other electrical devices:
Use of other electrical appliances such as an electric shaver or
nearby use of a wireless radio transmitter may cause the malfunction
of the air conditioner.
If you encounter such a malfunction, turn off the circuit breaker once.
Then turn it on again, and resume operation by using the remote
controller.
In HEAT mode, the room temperature will be adjusted at a few
degree lower than the defined temperature.
• Especially in COOL mode, you can have improved dehumidification
without significantly lowering the room temperature.
Notes:
• In COOL or HEAT mode, the maximum output of this operation is
approximately 70 % of usual air conditioning operation.
• This operation cannot be performed during temperature monitoring
by AUTO mode.
OPERATING MANUAL
En-4
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