Daikin EKHWET-BV3, Installer'S Reference Manual, Page: 94 / 120

11 | Commissioning
Installer reference guide
94
E120B
R32 Split series – Domestic hot water tank
4P680077-1A – 2022.11
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.
11.3 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 instructions, as described in the installer reference
guide .
The indoor unit is properly mounted.
The outdoor unit 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
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.
Booster heater circuit breaker F2B (field supply) is turned ON.
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.
The stop valves (gas and liquid) on the outdoor and indoor units are fully open.
The domestic hot water tank is filled completely.
11.4 Checklist during commissioning
To perform a test run .