Electrical Connection - Grundfos MP 204 Instrucciones De Instalación Y Funcionamiento

8. Electrical connection

DANGER
Electric shock
Death or serious personal injury
- All cables taken through the product
and the current transformers must be
insulated.
- Insulation between the cabinet and the
product must have a suitable insulation
resistance or the cabinet must be
connected to protective earth.
- Ensure that the trip/signal relay output
is maximum 400 V AC.
WARNING
Electric shock
Death or serious personal injury
- Before starting any work on the product,
make sure that the power supply has
been switched off and that it cannot be
accidentally switched on.
- Ensure that the power and sensor
cables are separated when mounting
the relay output connections.
- Make sure that the wiring polarity
matches the installation instructions.
WARNING
Cause of fire
Death or serious personal injury
- The product must not be supplied with
pump voltage if it exceeds the rating
mentioned on the nameplate.
- Ensure that the branch circuit fuse is
maximum 8 A.
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