42 Wilo SE 02/2018
en
6.2 Electrical connection
The electrical connection may only be carried out by a
qualified electrician.
WARNING!
Risk of fatal injury from magnetic field!
Risk of fatal injury for people with medical implants due
to permanent magnets installed in the pump.
• The motor must never be removed.
DANGER!
Risk of fatal injury from electrical voltage!
Immediate risk of fatal injury if live components are
touched.
• Before commencing work, switch off the power sup-
ply and secure it from being switched on again.
• Never open the control module (5) and never remove
operating elements.
CAUTION!
Pulsed mains voltage can cause damage to electronic
components.
• Never operate the pump with phase angle control.
• For applications where it is not clear whether the
pump is operated with pulsed voltage, get the
control/system manufacturer to confirm that the
pump is operated with sinusoidal AC voltage.
• Switching the pump on/off via triacs/solid-state
relays must be examined on a case-by-case basis.
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