6 Electrical installation
Installation manual
12
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680074-1 – 2021.11
a
1 2 3
A
A
a
Interconnection cable (=main power supply)
B
B
C
C
D
D
X2M
6.3.2
To connect the booster heater power
supply
Booster heater
cable
Wires: (2+GND)×1.5 mm²
[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.
CAUTION
To guarantee the unit is completely earthed, ALWAYS
connect the booster heater power supply and the earth
cable.
Connect the booster heater power supply as follows:
A
A
a
b
X4M
F2B
Q1DI
B
B
C
C
Summary of Contents for EKHWET90BAV3
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