Checklist Before Commissioning; To Perform A Test Run - Daikin VRV FXHA32AVEB8 Manual

20 | Commissioning

20.3 Checklist before commissioning

20.4 To perform a test run

Installer and user reference guide
76
NOTICE
Cooling operation mode. Perform the test run in cooling operation mode so that
stop valves failing to open can be detected. Even if the user interface was set to
heating operation mode, the unit will run in cooling operation mode during 2‑3
minutes (although the user interface will display the heating icon), and then
automatically switch to heating operation mode.
1 After the installation of the unit, check the items listed below.
2 Close the unit.
3 Power up the unit.
You have read the complete installation and operation instructions described in the
installer and user reference guide.
The indoor unit is properly mounted.
The outdoor unit is properly mounted.
The drain piping is properly installed and 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.
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.
FXHA-A
VRV system air conditioner
4P673749-1A – 2022.11