Daikin FXFN112A2VEB, Installer And User Reference Manual

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19 | Commissioning
Installer and user reference guide
73
FXFN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P677925-1 – 2021.07
WARNING
If the panels on the indoor units are not installed yet, make sure to power OFF the
system after finishing the test run. To do so, turn OFF operation via the user
interface. Do NOT stop operation by turning OFF the circuit breakers.
19.3 Checklist before commissioning
1 After the installation of the unit, check the items listed below.
2 Close the unit.
3 Power up the unit.
You read the complete installation and operation instructions, as described in the installer
and user reference guide .
The indoor unit is properly mounted.
The outdoor unit is properly mounted.
Make sure drain piping is properly installed, insulated and drainage flows smoothly. Check
for water leaks.
Possible consequence: Condensate water might drip.
The refrigerant pipes (gas and liquid) are installed correctly and thermally insulated.
There are NO refrigerant leaks .
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.
There are NO damaged components or squeezed pipes on the inside of the indoor and
outdoor units.
The stop valves (gas and liquid) on the outdoor unit are fully open.
19.4 To perform a test run
INFORMATION
▪
Perform the test run according to the instructions in the outdoor unit manual.
▪
The test run is only completed if there is no malfunction code displayed on the
user interface or the outdoor unit 7‑segment display.
▪
See the service manual for the complete list of error codes and a detailed
troubleshooting guideline for each error.
NOTICE
Do NOT interrupt the test run.