Installation, Electrical - ProMinent Makro TZ Operating Instructions Manual

Installation

7.3 Installation, electrical

34
WARNING!
ATEX pumps in areas at risk from explosion
– Electrically connect the electrical units listed on the
earthing diagram, cleanly and permanently, to an
electrically clean earthing point, - e.g. with an
earthing bar on your system.
– Electrically connect the electrical units fitted with a
potential equalisation cable to each other, cleanly
and permanently, to an electrically clean potential
equalisation point - e.g. with a potential equalisation
bar on your system.
– Note the enclosed documentation for the individual
electrical components.
WARNING!
Danger of electric shock
In the event of an electrical accident, it must be possible
to quickly disconnect the pump, and any electrical ancil‐
laries which may possibly be present, from the mains.
– Install an emergency cut-off switch in the mains
supply line to the pump and any electrical ancillaries
which may be present or
– Integrate the pump and electrical ancillaries which
may be present in the emergency cut-off manage‐
ment of the system and inform personnel of the iso‐
lating option.
WARNING!
Danger of electric shock
This pump is equipped with a protective earth conductor,
to reduce the risk arising from an electric shock.
– Connect the PE conductor to "earth" with a clean
and permanent electrical connection.
WARNING!
Danger of electric shock
A mains voltage may exist inside the motor or electrical
ancillaries.
– If the housing of the motor or electrical ancillaries
has been damaged, you must disconnect it from the
mains immediately. The pump must only be returned
to service after an authorised repair.
WARNING!
Danger of electric shock
There can still be dangerous voltage present for 3
minutes in the interior of motor designs with integral fre‐
quency converter.
– Only open the drain screw 3 minutes after the mains
voltage has been switched off.