Replacement Of G - Grundfos G 401 Instructions Manual

13. Replacement of G 400

16
• Switch off the power supply to the G 400.
• Turn the locking screw to "slide position".
Use a 6 mm screwdriver for slotted screws.
Slide position
• Remove the terminals, the antenna and Ethernet cables
and turn the locking screw to position "unlocked".
Locked
• Remove the G 400 module from the DIN rail by lifting it out
at the bottom.
Unlocked