12 Operation
Installation and operation manual
14
FCAHG71~140HVEB
Split system air conditioners
4P535639-1B – 2019.01
The indoor unit will indicate defrost operation on the display
.
Hot start
In order to prevent cold air from blowing out of an indoor unit at the
start of heating operation, the indoor fan is automatically stopped.
The display of the user interface shows
. It may take some
time before the fan starts. This is not a malfunction.
12.2.4
To operate the system
1
Press the operation mode selector button on the user interface
several times and select the operation mode of your choice.
Cooling operation
Heating operation
Fan only operation
2
Press the ON/OFF button on the user interface.
Result:
The operation lamp lights up and the system starts
operating.
12.3
Using the dry program
12.3.1
About the dry program
▪ The function of this program is to decrease the humidity in your
room with minimal temperature decrease (minimal room cooling).
▪ The micro computer automatically determines temperature and
fan speed (cannot be set by the user interface).
▪ The system does not go into operation if the room temperature is
low (<20°C).
12.3.2
To use the dry program
To start
1
Press the operation mode selector button on the user interface
several times and select
(program dry operation).
2
Press the ON/OFF button of the user interface.
Result:
The operation lamp lights up and the system starts
operating.
To stop
3
Press the ON/OFF button on the user interface once again.
Result:
The operation lamp goes out and the system stops
operating.
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
12.4
Adjusting the air flow direction
Refer to the operation manual of the user interface.
12.4.1
About the air flow flap
Double flow+multi-flow units
For the following conditions, a micro computer controls the air flow
direction which may be different from the display.
Cooling
Heating
▪ When the room temperature is
lower
than
the
set
temperature.
▪ When starting operation.
▪ When the room temperature is
higher
than
the
set
temperature.
▪ At defrost operation.
▪ When operating continuously at horizontal air flow direction.
▪ When continuous operation with downward air flow is performed
at the time of cooling with a ceiling-suspended or a wall-mounted
unit, the micro computer may control the flow direction, and then
the user interface indication will also change.
The air flow direction can be adjusted in one of the following ways:
▪ The air flow flap itself adjusts its position.
▪ The air flow direction can be fixed by the user.
▪ Automatic
and desired position .
WARNING
Never touch the air outlet or the horizontal blades while the
swing flap is in operation. Fingers may become caught or
the unit may break down.
NOTICE
▪ The movable limit of the flap is changeable. Contact
your dealer for details. (only for double-flow, multi-flow,
corner, ceiling-suspended and wall-mounted).
▪ Avoid operating in the horizontal direction
. It may
cause dew or dust to settle on the ceiling or flap.
12.5
Active circulation airflow
Use active circulation airflow to heat or cool the room more quickly.
12.5.1
To start the active circulation airflow
1
Set the active circulation airflow
1
Go to the home screen.
Cool
Set to
28
°C
2
Press.
Return
Setting
Main Menu 1/2
Circulation Airflow
Individual Air Direction
Energy Saving Options
Schedule
Maintenance Information
Configuration
3
Select Circulation airflow
Return
Setting
Main Menu 1/2
Circulation Airflow
Individual Air Direction
Energy Saving Options
Schedule
Maintenance Information
Configuration
4
Choose enable and confirm.
Return
Setting
Return
Setting
Circulation Airflow
Enable/Disable
Enable
5
Confirm setting.
Return
Setting
Return
Setting
Circulation Airflow
Save the settings?
Yes
No
