Control Unit; Electrical Connection - Wolf MGK-2-390 Installation Instructions Manual

General information,

electrical connection

Front panel with integral
ON/OFF switch
26
18. Electrical connection
The installation must be carried out by a licensed electrical contractor.
Observe VDE regulations and all local regulations of your power supply
utility company.
For installation in Austria: The ÖVE regulations and requirements and
those of your local power supply utility company must be observed.
An omnipolar isolator with at least 3 mm contact separation must be
integrated in the power cable upstream of the boiler. A connection box
must also be installed by the operator, as per ÖVE requirements.
Do not route sensor leads with 230 V mains cables.
Danger due to live electrical components.
Please note: Turn off the ON/OFF switch before removing the casing.
Never touch electrical components or contacts when the ON/OFF switch
is in the ON position. This can result in a risk of electrocution that could
lead to injury or death.
The terminals are live even when the ON/OFF switch is in the OFF
position.
During servicing and installation work, isolate the entire system from
the power supply at all poles, otherwise there will be a risk of
electrocution.
Either an AM display module or a BM2 programming module can be installed in the
front panel for operating the boiler.
The ON/OFF switch (integrated in the Wolf logo) switches the appliance OFF at all
poles.
Service cover with eBUS connection for fault diagnosis
(under front casing)
Control unit cover
(under front casing) Cable entry
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