7.3 Installation, electrical
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 electri‐
cally clean potential equalisation point - e.g.
with a potential equalisation bar on your
system.
– Note the enclosed documentation for the indi‐
vidual electrical components.
WARNING!
Danger of fire with flammable feed chemicals
– The ATEX diaphragm rupture sensor and a
discharge-side flow control must both stop the
pump as soon as a diaphragm rupture or no
flow is detected.
WARNING!
Danger of electric shock
In the event of an electrical accident, it must be
possible to quickly disconnect the pump, and any
electrical ancillaries which may possibly be
present, from the mains.
– Install an emergency cut-off switch in the
mains supply line to the pump and any elec‐
trical ancillaries which may be present or
– Integrate the pump and electrical ancillaries
which may be present in the emergency cut-off
management of the system and inform per‐
sonnel of the isolating option.
WARNING!
Danger of electric shock
This pump is equipped with a protective earth con‐
ductor, to reduce the risk arising from an electric
shock.
– Connect the PE conductor to "earth" with a
clean and permanent electrical connection.
Installation
39
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