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Installation
5.2 Installation, electrical
Motor
28
User qualification: Electrical technician
Ä Chapter 2.2 'User qualification' on page 15
What requires electrical installation?:
Motor
n
External fan (identity code option)
n
Frequency converter (identity code option)
n
Stroke control drive (identity code option)
n
Stroke actuator (identity code option)
n
Diaphragm monitoring sensor (standard)
n
Earthing wires (to be provided on site)
n
Potential equalisation line (to be provided on site, prescribed in the
n
area at risk from explosion)
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!
Only motors with a frequency converter: Danger of elec‐
tric shock
The danger of electric shock remains for 3 minutes after
the mains voltage has been switched off on conducting
parts of the motor with an integrated frequency converter
and on the lines themselves.
–
After switching off, allow the unit to stand for 3
minutes before opening the terminal box.
WARNING!
Danger of electric shock
Switch off the pump before dismantling the motor con‐
nection cover.
WARNING!
Danger of electric shock
Connect the protective earth conductor.
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