8 Commissioning
Installer and user reference guide
20
FFA25~60A2VEB(9)
Split system air conditioners
4P550955-4 – 2018.08
In case a wireless user interface is used: The indoor unit
decoration panel with infrared receiver is installed.
The outdoor unit is properly mounted.
There are NO missing phases or reversed phases.
The system is properly earthed and the earth terminals
are tightened.
The fuses or locally installed protection devices are
installed according to this document, and have NOT been
bypassed.
The power supply voltage matches the voltage on the
identification label of the unit.
There are NO loose connections or damaged electrical
components in the switchbox.
The insulation resistance of the compressor is OK.
There are NO damaged components or squeezed
pipes on the inside of the indoor and outdoor units.
There are NO refrigerant leaks.
The correct pipe size is installed and the pipes are
properly insulated.
The stop valves (gas and liquid) on the outdoor unit are
fully open.
8.4 To perform a test run
This task is only applicable when using the BRC1E52 or BRC1E53
user interface. When using any other user interface, see the
installation manual or service manual of the user interface.
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
±30seconds when you press a button.
1 Perform introductory steps.
# Action
1 Open the liquid stop valve (A) and gas stop valve (B)
by removing the stem 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 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.
# 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.
5 Stop the test run.
# Action Result
1 Press at least 4seconds. The Service Settings menu
is displayed.
2 Select Test Operation.
Return Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address