Daikin EHYHBX08AFV3 [184/252] Checklist before commissioning
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Daikin EHYHBX08AFV3 [184/252] Checklist before commissioning

Daikin EHYHBX08AFV3 [184/252] Checklist before commissioning
10 | Commissioning
Installer reference guide
184
EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
NOTICE
Before starting up the system, the unit MUST be energised for at least 2hours. The
crankcase heater needs to heat up the compressor oil to avoid oil shortage and
compressor breakdown during startup.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure sensors/switches. If NOT,
burning of the compressor might be the result.
NOTICE
ALWAYS complete the refrigerant piping of the unit before operating. If NOT, the
compressor will break.
10.3 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 unit is properly mounted.
The outdoor unit is properly mounted.
The gas boiler is properly mounted.
The following field wiring has been carried out according to this document and the
applicable legislation:
▪ Between the local supply panel and the outdoor unit
▪ Between indoor unit and outdoor unit
▪ Between the local supply panel and the indoor unit
▪ Between the indoor unit and the valves (if applicable)
▪ Between the indoor unit and the room thermostat (if applicable)
▪ Between the indoor unit and the domestic hot water tank (if applicable)
▪ Between the gas boiler and the local supply panel (only applicable in case of hybrid
system)
The communication cable between the gas boiler and the indoor unit is properly mounted.
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.
There are NO refrigerant leaks.
The refrigerant pipes (gas and liquid) are thermally insulated.
The correct pipe size is installed and the pipes are properly insulated.

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