Genibus Connection To Io 351 And E-Pumps; External Genibus Module; Start-Up - Grundfos CU 351 Installation And Operating Instructions Manual

• Do not twist screen ends, as this will destroy the
screen effect at high frequencies. Use cable
clamps instead.

5.1 GENIbus connection to IO 351 and E-pumps

The CU 351 and IO 351 communicate via GENIbus.
Fig. 7 GENIbus connection to IO 351 and E-pumps

5.2 External GENIbus module

The CU 351 can be connected to an external
GENIbus module for communication with for
instance a building management system via a G100
gateway or similar unit.
Fig. 8 Connection of external GENIbus module

6. Start-up

Start-up must be carried out by authorised
personnel.
Warning
Prior to start up, read the installation
and operating instructions for the
product in question.
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