Grundfos SQ Manual Del Usuario página 6

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  • MEXICANO, página 28
Electrical connection
WARNING
Electric shock
Death or serious
personal injury
- Before starting work on
the pump, make sure
that the power supply
has been switched off
and that it cannot be
accidentally switched
on.
- The pump must be
earthed.
- The pump must be
connected to an
external mains switch
with a minimum
contact gap of 3 mm in
all poles.
- If the motor cable is
damaged, it must be
replaced by Grundfos,
an authorised
Grundfos service
workshop or similarly
qualified persons to
avoid a hazard.
6
WARNING
Electric shock
Death or serious
personal injury
- If the pump is
connected to an
electric installation
where an
earth-leakage circuit
breaker (ELCB) is used
as an additional
protection, this circuit
breaker must trip out
when earth fault
currents with DC
content (pulsating DC)
occur.
Installation
WARNING
Electric shock
Death or serious
personal injury
- Before starting any
work on the
pump/motor, make
sure that the power
supply has been
switched off and that it
cannot be accidentally
switched on.

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SqeSqflex

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