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4
Correct usage
When the air conditioner is used for the first time or when the setting is changed, follow the steps below. Settings
are saved in memory and are displayed anytime the unit is turned on by pushing the
button.
Preparation
When the circuit breaker is turned on, the partition lines are displayed on the remote controller.
* After the circuit breaker is turned on, the remote controller does not accept any commands for approx. 1 minute,
this is not a failure.
REQUIREMENT
When the air conditioner is re-powered after it has not been used for a long period, turn on the circuit breaker at least
12 hours before starting the air conditioner.
Start
1
Push
button.
The operation lamp illuminates, and the operation
starts.
2
Select an operation mode with the “
”
button.
One push of the button, and the display changes
in the order shown below.
3
Select fan speed with “
” button.
One push of the button, and the display changes
in the order shown below.
When fan is in “
Auto”, fan speed is
adjusted based on difference between set point
and room temperature.
In heating operation, if the room temperature is
not heated sufficiently with speed “
Low”
operation, select “
Med.” or “
High”
operation.
The temperature sensor detects the return air
temperature at the indoor unit, which differs
from the room temperature depending on the
installation condition.
Set point is a target of room temperature.
(
“Auto” is not selectable in the Fan
mode.)
4
Select the set point temperature by pushing
the “TEMP.
” or “TEMP.
” buttons.
Stop
Push
button.
The operation lamp goes off, and the operation stops.
SET
TIME
TIMER SET
TEST
FILTER
RESET
TEMP.
CL
FAN
SAVE
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
1
3
2
4
Auto
Heat
Dry
Fan
Cool
(Dehumidify)
Auto
High
Med.
Low
NOTE
Auto Changeover
During Auto Mode, the unit selects the operating mode (cooling, heating or fan only) based on the user set point
temperature.
If the Auto mode is uncomfortable, you can select the desired conditions manually.
Cooling
If there is a demand for cooling, unit will start approximately 1 minute after mode is selected.
Heating
If there is a demand for heating, unit will start approximately 3 to 5 minutes after the mode is selected.
After the heating operation has stopped, fan may continue to run for approx. 30 seconds.
When the room temperature reaches the set temperature, the outdoor unit stops and the indoor unit fan runs at
extremely low speed.
During defrost operation, the fan stops so that cool air is not discharged. (“
” Pre-heat is displayed.)
When the operation is attempted to restart after stop
When the unit is attempted to restart immediately after it was stopped, the unit can not start for approx. 3 minutes this
is to protect the compressor.
8 °C operation (For object pre-heating)
The air conditioner can control the heating temperature to about 8 °C in the heating mode.
The 8 °C heating operation requires settings with the wired remote controller. Ask the installer or dealer
for the settings according to the installation manual of the indoor unit.
Start
1. Set the displayed temperature to 18 °C in the heating mode by pushing TEMP.
button.
2. Set the displayed temperature to 8 °C by pushing TEMP.
button for at least four seconds.
Stop
1. Set the displayed temperature to 18 °C by pushing TEMP.
button.
The air conditioner returns to the normal HEAT mode. Select a desired temperature and operation mode.
NOTE
The discharged air temperature is lower than that in the normal heating operation.
The room temperature may not be heated evenly depending on the remote controller installation location.
The room temperature may not reach 8 °C depending on the room size or the installation conditions.
Setting for fan speed is available during the 8 °C heating operation.
When this operation mode is used, observe proper operating hours and periodic maintenance by service staff is
recommended.
The 8 °C heating operation is cancelled in the following cases.
When operation is stopped with
button
When another operation mode is selected with
button
When temperature setting or operation mode is changed or operation is started / stopped by the wireless remote
controller or the central control remote controller.
17-EN
18-EN
