Electrical Connection - Grundfos GiM CIU Installation And Operating Instructions Manual

6. Electrical connection

DANGER
Electric shock
Death or serious personal injury
‐
Applies to supply voltages above 30
V / 60 VDC: The installation must
RMS
incorporate a switch or a circuit
breaker in order to switch off the mains
supply. It must be close to the CIU unit
and easily accessible for the operator.
It must be marked as a disconnecting
device for the CIU unit.
‐
In case of an insulation fault, the fault
current may be a pulsating DC.
Observe national legislation about
requirements for and selection
of a Residual Current Device (RCD)
when installing the pump.
The residual-current circuit breaker must be marked
like this:
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before
making any electrical connections.
Make sure that the power supply
cannot be switched on accidentally.
‐
The protective earth from the socket
outlet must be connected to the
protective earth in the pump.
Therefore, the applied plug must have
the same protective earth connection
systems as the socket outlet, or a
suitable adapter must be applied.
‐
Ensure that the high-voltage protection
cover is mounted correctly once the
installation is finished.
‐
Tighten the cable glands securely to
avoid water coming into the unit or the
cables being pulled out.
‐
The CIU unit and GENIbus must only
be connected to SELV or SELV-E
circuits.
WARNING
Falling off ladder
Death or serious personal injury
‐
Take care when installing the unit on
the pump.
8
CAUTION
Hot surface
Minor or moderate personal injury
‐
Do not touch the pump. The surface
may be hot.
All installation work must only be carried
out by qualified and authorised persons.
1
2
3
Pos. Description
1 CIM connection
2 IO connections
3 GENIbus master, connection to the pump
4 VTU board
5 Sensor connections
6 Power supply
7 High-voltage protection cover
Related information
6.2 Connecting the power supply
6.3 Connecting GENIbus to the pump
6.4.1 Mounting the sensor cable
6.5 Connecting the IO connections
4
5
6
7