
SRB
18
WARNING
Only qualified person can do the works on electric installations.
Prior to opening the boiler, disconnect the power supply from all poles
and ensure that it is not accidentally connected again.
Comply with the regulations for installation.
IMPORTANT INFORMATIONS
Electric boiler is connected to the permanent electrical installation as per the
connection scheme and with a certain cross-section of voltage cable.
Connection should be made via outer switch for separating poles with
minimum distance between contacts of 3mm.
During connecting the boiler to electrical installation, observe the connection
schemes. Cables must have the prescribed cross-section, and the fuses must
have the prescribed power.
Models EK 06 Smart EU, EK 09 Smart EU, EK 12 Smart EU,
EK 16 Smart EU, EK 18 Smart EU, EK 21 Smart EU, EK 24 Smart EU, EK
27 Smart EU (400V 3N ~).
Modes EK 06 Smart MONO i EK 09 Smart MONO may also be connected
to a Single Phase connection (230V N ~).
6.1 Position of electrical cable grommets in the boiler
This boiler is equipped with two sets of electrical cable grommets. The grommets are
located on the left and right sides.
A set of grommets consists of two rings, with the large ring being intended for voltage
cable and the smaller ring for equipment shown in the hydraulic scheme.
6.2 Connecting the electric boiler to permanent electrical installation
WARNING
The boiler is exclusively connected to permanent electrical installation
according to the existing standards for electrical installations.
Connecting the boiler to permanent electrical installation must be
performed through the device for power supply disconnection from the
network which has a space between contacts of 3mm in all fields that
provide complete disconnection under III category overvoltage
conditions.
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Connection is carried out according to the connection scheme, with a certain cross-
section of voltage cable.
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Instead of classic clamp for connecting voltage cable, the boiler contains three-way
automatic switches in which the voltage cable is connected.