Specifications Of Standard Wiring Components; Configuration; Field Settings; Commissioning - Daikin FDXM25F3V1B Installer's Reference Manual

6.4.5 Specifications of standard wiring
components
Component
Interconnection cable
(indoor↔outdoor)
User interface cable
7

Configuration

7.1

Field settings

Make the following field settings so that they correspond with the
actual installation setup and with the needs of the user:
▪ External static pressure
documentation for the range of the external static pressure setting.
▪ For heat pump. If users experience cold feet during the heating
function, adjust the discharge grille as shown below.
45°
a
8

Commissioning

8.1

Overview: Commissioning

This chapter describes what you have to do and know to
commission the system after it is installed.
Typical workflow
Commissioning typically consists of the following stages:
1 Checking the "Checklist before commissioning".
2 Performing a test run for the system.
8.2

Checklist before commissioning

Do NOT operate the system before the following checks are OK:
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.
FDXM25~60F3V1B
Split system air conditioners
4P482333-1 – 2017.03
Specification
Minimum cable section of
2.5 mm² and applicable for
230 V
Vinyl cords with 0.75 to
1.25 mm² sheath or cables
(2‑core wires)
Maximum 500 m
setting. See the technical
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.
8.3

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.
#
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.
A
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
1 Go to the home menu.
2 Press at least 4 seconds.
7 Configuration
Action
B
Result
Cool
Set to
28
°C
The Service Settings menu
is displayed.
Installer reference guide
15