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Operation
Installer and user reference guide
58
FXFQ20~125BVEB
VRV system air conditioner
4P561452-1B – 2021.07
15.1.4 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.
15.2 Using the dry program
15.2.1 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).
15.2.2 To use the dry program
To start
1
Press the ON/OFF button of the user interface.
Result:
The operation lamp lights up and the system starts operating.
To stop
2
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.
15.3 Adjusting the air flow direction
Refer to the operation manual of the user interface.
15.3.1 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.