Daikin Altherma EHYHBH05A Series, Installer'S Reference Manual

Page: 196 / 264

12 | Commissioning
Installer reference guide
196
08CA + EHY EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
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.
There is NO water leak inside the indoor unit.
There is NO water leak inside the gas boiler.
There is NO water leak in the connection between the gas boiler and the indoor unit.
The shut-off valves are properly installed and fully open (field supply).
The stop valves (gas and liquid) on the outdoor unit are fully open.
The air purge valve is open (at least 2 turns).
The pressure relief valve (space heating circuit) purges water when opened. Clean water
MUST come out.
The gas boiler is switched ON.
Setting . is correctly set on the gas boiler.
▪ 0=for EH EHYHBH08
▪ 1=for EHYHBX08
The minimum water volume is guaranteed in all conditions. See "To check the water
volume and flow rate" in "8.5 Preparing water piping" [ 4 96].
12.4 Checklist during commissioning
The minimum flow rate is guaranteed in all conditions. See "To check the water volume
and flow rate" in "8.5 Preparing water piping" [
4
96].
To perform an air purge .