Kessel Comfort PLUS Einbau- Und Betriebsanleitung Seite 44

4.3 Mains cable 230V
Mains cable is ready to plug-in (supplied with moulded plug).
4.4 Ensure ATEX requirement
The following additional requirements must be taken into
account for the electrical installation so that the pumps may
be operated in a potentially explosive atmosphere.
Cable cross-section
The mains cables to the control unit require a minimum
cross-section of 6 mm or according to the required fus-
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ing, whichever cross-section is larger (see "Technical data",
page 42).
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ATEX pump connection with equipotential bonding
An earthing cable of at least 4mm
submersible pump for the equipotential bonding according
to EN 60079-14. The earthing cable is routed between the
(self-locking) earthing screw and the screw retainer on the
terminal.
To do this, proceed as follows:
Before connecting the pump, check whether the motor
protection switch of the control unit is suitable for the
power consumption of the pump(s) (see type plate).
This system's ATEX pumps can have a 6 or 9-wire cable.
Double assignment of the phases in the control unit is
provided for 9-wire cables.
Installation and operating manual
must be connected to the
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010-700_02