Daikin Bluevolution FNA35A, Installation Manual

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6 Commissioning
Installation manual
11
FNA25~60A2VEB(9)
Split system air conditioners
4P456958-1J – 2020.12
4 Wrap the cables with the sealing material (accessory) to
prevent water from entering the unit. Seal all gaps to prevent
small animals from entering the system.
WARNING
Provide adequate measures to prevent that the unit can be
used as a shelter by small animals. Small animals that
make contact with electrical parts can cause malfunctions,
smoke or fire.
A
c
b
c
a
A Indoor PCB (assembly)
a Power supply and earth wiring
b Transmission and user interface wiring
c Clamps
X Not allowed
O Allowed
5 Reattach the service cover.
1~ 50 Hz
220-240 V
b
a
e
c
d
a Interconnection cable
b Power supply cable
c Earth leakage circuit breaker
d Fuse
e User interface
6 Commissioning
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
6.1 Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
You read the complete installation instructions, as
described in the
installer reference guide .
The indoor units are properly mounted.
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 switch box.
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.
6.2 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
±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.