8 | Commissioning
Installer and user reference guide
44
FXFQ20~125BVEB
VRV system air conditioner
4P561452-1B – 2021.07
# Action
3 Turn ON power for at least 6hours before starting operation to
protect the compressor.
4 On the user interface, set the unit to cooling operation mode.
2 Start the test run
# Action Result
1 Go to the home menu.
2 Press at least 4seconds. The Service Settings menu is
displayed.
3 Select Test Operation.
Return Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
4 Press. Test Operation is displayed on
the home menu.
Cool
Return Setting
Test Operation
5 Press within 10seconds. Test run starts.
3 Check operation for 3minutes.
4 Check operation of the airflow direction (only applicable for indoor units with
swing flaps).
# Action Result
1 Press.
Return Setting
Return Setting
Air Volume/direction
Air Volume Direction
Position 0
Low
2 Select Position 0.
Return Setting
Return Setting
Air Volume/direction
Air Volume Direction
Low
Position 0
3 Change the position. If the airflow flap of the indoor
unit moves, operation is OK.
If not, operation is not OK.
4 Press. The home menu is displayed.
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