Grundfos Hydro Multi-E User 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.
TM064462
Antistatic service kit
1. Loosen the four screws (A) and remove the terminal box cover
(B).
A
B
TM064081
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).
B
C
D
A
TM064084
Removing the CIM cover
3. Remove the securing screw (A).
A
TM064082
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
B
TM064083
Fitting the CIM module
14
English (GB)

Grundfos Hydro Multi-E Specifications

General

Product Name	Grundfos Hydro Multi-E
Category	Water Pump
Pump Type	Multi-stage centrifugal pump
Number of Pumps	2-4
Pressure Range	Up to 16 bar
Motor Power	Up to 22 kW per pump
Shaft Seal	Mechanical Seal
Control Type	Electronic
Pump Model	CRE
Power Supply	3 x 380-480 V, 50/60 Hz
Max Head	160 m
Approvals	CE
Communication	Modbus, BACnet
Housing Material	Stainless steel
Impeller Material	Composite
Connection Size	DN32
Motor Type	Permanent magnet motor