4. Electrical connection
ä Caution!
The unit must be connected in accordance with national and
local regulations for electrical installations to a fixed connection
that can be disconnected from mains power by means of a (built-
in) on/off control (e.g. a maintenance switch).
ä Caution!
Switch off the power supply to the water heater in the meter
cabinet or at the maintenance switch.
a) Remove the cover.
b)
Feed the power cable through the cable gland 1 and the strain
relief 2.
ä Caution!
Use a multi-core power cable (minimum H05VV‑F) 3 x 2.5 mm2,
equipped with wire end ferrules.
c) Connect the power cable to the terminal block in accordance
with the following instructions:
Colour Function
Brown Live
Blue Neutral
Green/yellow Earth
ä Caution!
NEVER connect the heater to a separate off-peak phase tail.
d) Secure the strain relief by tightening the two screws.
e) Replace the cover on the heater.
ä Caution!
Do not turn on the power to the appliance yet. Only do so when
this is expressly required during commissioning.
• Filling and first use on page 34.
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