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Commissioning
Installer reference guide
43
FNA25~60A2VEB(9)
Split system air conditioners
4P550955-3C – 2020.12
NOTICE
Do NOT interrupt the test run.
INFORMATION
Backlight.
To perform an ON/OFF action on the user interface, the backlight does not
need to be lit. For any other action, it needs to be lit first. The backlight is lit for
±30 seconds when you press a button.
1
Perform introductory steps.
#
Action
1
Open the liquid stop valve and gas stop valve by removing the cap
and turning counterclockwise with a hex wrench until it stops.
2
Close the service cover to prevent electric shocks.
3
Turn ON power for at least 6 hours 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.
Cool
Set to
28
°C
2
Press at least 4 seconds.
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 10 seconds.
Test run starts.
3
Check operation for 3 minutes.
4
Stop the test run.
#
Action
Result
1
Press at least 4 seconds.
The Service Settings menu is
displayed.