Grundfos CU 401 Montage- Und Betriebsanleitung Seite 7

• Fit the two spacers (27 mm) supplied to the
lower circuit board.
• Ethernet module.
Note: Insert the plug on the back of the Ethernet
module into the lower circuit board.
• Place the Ethernet module on the two spacers.
• Check that all pins of the Ethernet module
engage correctly with the lower circuit board.
• Fasten the Ethernet module with the two spacers
(9 mm) supplied.
• Fit the upper circuit board, the two plugs and the
three TORX screws.
27 mm
9 mm
7