9 | Electrical installation
Installer reference guide
48
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680077-1 – 2021.11
a Interconnection cable (=main power supply)
9.2.2 To connect the booster heater power supply
Booster heater cable Wires: (2+GND)×1.5mm²
[9.4]Booster heater
WARNING
The booster heater MUST have a dedicated power supply and MUST be protected by
the safety devices required by the applicable legislation.