Electrical Installation - Grundfos MGE Serie Montage- Und Betriebsanleitung

7. Tighten the four screws (TX25) with 5 Nm.

4.2 Electrical installation

DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply to the product including the power supply for the signal relays. Wait at least 5 minutes before you
make any connections in the terminal box. Make sure that the power supply cannot be switched on accidentally.
DANGER
Electric shock
Death or serious personal injury
‐
Check that the supply voltage and frequency correspond to the values stated on the nameplate.
If the power cable is damaged, it must be replaced by the manufacturer, the manufacturer's service partner or a similarly qualified
person.
The user or the installer is responsible for correct earthing and protection according to local regulations.
All electrical connections must be carried out by qualified persons.
4.2.1 Protection against electric shock, indirect contact
WARNING
Electric shock
Death or serious personal injury
‐
Connect the product to protective earth and provide protection against indirect contact in accordance with local regulations.
Protective-earth conductors must have a yellow and green (PE) or yellow, green and blue (PEN) colour marking.
4.2.2 Protection against mains voltage transients
The product is protected against mains voltage transients in accordance with EN 61800-3.
4.2.3 Motor protection
The product incorporates thermal protection against slow overloading and blocking. No external motor protection is required.
4.2.4 Connecting an external switch
We recommend that you connect the product to an external switch.
1. Connect the switch via terminals 2 (DI1) and 6 (GND).
2. Enable the External stop function.
Related information
4.2.7.1 Basic functional module, FM 100
4.2.7.2 Standard functional module, FM 200
4.2.7.3 Advanced functional module, FM 300
6.8 "Digital inputs"
14