Optional Bus Communication Via Grundfos Cim Modules; Installing A Communication Interface Module - Grundfos Hydro Multi-E Installation And Operating Instructions Manual

5. Optional bus communication via Grundfos CIM
modules

5.1 Installing a Communication Interface Module

DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply to the motor and to the
signal relays. Wait at least five minutes before starting
any work on the motor. Make sure that the power
supply cannot be accidentally switched on.
Always use an antistatic service kit when handling
electronic components. This prevents static electricity
from damaging the components.
When unprotected, place the component on the antistatic
cloth.
Antistatic service kit
1. Loosen the four screws (A) and remove the terminal box cover
(B).
A
B
Removing the terminal box cover
2. Remove the CIM cover (A) by pressing the locking tab (B) and
lifting the end of the cover (C). Then lift the cover off the hooks
(D).
14
C
B
Removing the CIM cover
3. Remove the securing screw (A).
A
Removing the securing screw
4. Fit the CIM module by aligning it with the three plastic holders
(A) and the connecting plug (B). Press the module home with
your fingers.
A
Fitting the CIM module
D
A
B