2
Safety
2.1
General safety notes
NOTICE
Disconnect system from energy sources!
Ensure that the electrical components are disconnected from the electrical power supply during the work.
WARNING
Live parts! The housing of the control unit may only be opened by a qualified electrically skilled person!
Work on the control unit is restricted to:
replacing the batteries,
connection in accordance with the installation instructions and connection diagram.
All work extending beyond this may only be carried out by the KESSEL customer service or a service partner of
KESSEL AG
WARNING
Live parts
Heed the following points when working on electrical cables and connections.
The national regulations concerning electrical safety apply to all connections and installation work.
The system must be supplied through a residual current protection device (RCD) with residual current of not
more than 30mA.
Operating and maintenance instructions must be kept available at the product.
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Installation and operating instructions
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