Grundfos CRE Series Installation And Operating Instruction page 57

2. Power on both motors.
3. Establish contact to one of the motors with Grundfos GO.
4. Set the required analog and digital inputs via Grundfos GO
according to the connected equipment and the required
functionality.
5. Assign a name to the motor using Grundfos GO.
6. Assign motor number 1 to the motor.
7. Disconnect Grundfos GO from the motor.
8. Establish contact to the other motor.
9. Set the analog and digital inputs according to the connected
equipment and the required functionality by means of Grundfos
GO.
10. Assign a name to the motor using Grundfos GO.
11. Assign motor number 2 to the motor.
12. Select the Assist menu and Setup of multi-pump system
(multimotor setup).
13. Select the desired multimotor function.
14. Press the Right button to continue.
15. Set the time at which the alternation between the two motors is
to take place.
This step applies only if you have selected
Alternating operation, time and if the motors are
fitted with FM310 or FM311.
16. Press the Right button to continue.
17. Select Bus as the communication method to be used between
the two motors.
18. Press the Right button to continue.
19. Select pump 2 (motor 2).
20. Select the additional motor from the list.
Use OK or the Radio communication button to
identify the pump.
21. Press the Right button to continue.
22. Confirm the setting by pressing Send.
23. When you have finished the setup and the dialog box
disappears, wait for the green indicator light in the middle of
Grundfos Eye to light up.
10.53.4.3 Setting a multipump system with the HMI 300 or 301
operating panel and a wireless motor connection
1. Power on both motors.
2. On both motors, set the analog and digital inputs according to
the connected equipment and the required functionality.
3. Select the Assist menu on one of the motors and Setup of
multi-pump system.
4. Press the Right button to continue.
5. Select Wireless as the communication method to be used
between the two motors.
6. Press the Right button to continue.
7. Select the desired multimotor function.
8. Press the Right button three times to continue.
9. Press OK to search for other motors.
The green indicator light in the middle of Grundfos Eye flashes
on the other motors.
10. Press OK or the Radio communication button on the motor
which is to be added to the multimotor system.
11. Press the Right button to continue.
12. Set Time for pump changeover.
This is the time at which the alternation between the two motors
is to take place.
This step applies only if you have selected
Alternating operation, time and if the motors are
fitted with FM310 or FM311.
13. Press the Right button to continue.
14. Press OK to confirm the setting.
The multipump function icons appear at the bottom of the
operating panels.
10.53.4.4 Setting a multipump system with the HMI 300 or 301
operating panel and a wired motor connection
1. Connect the two motors with each other with a 3-core screened
cable between the GENIbus terminals A, Y, B.
2. Set the needed analog and digital inputs according to the
connected equipment and the required functionality.
3. Assign motor number 1 to the first motor.
4. Assign motor number 2 to the other motor.
5. Select the Assist menu on one of the motors and Setup of
multi-pump system.
6. Press the Right button to continue.
7. Select Wired GENIbus as the communication method to be
used between the two motors.
8. Press the Right button twice to continue.
9. Select the desired multimotor function.
10. Press the Right button to continue.
11. Press OK to search for other motors.
12. Select the additional motor from the list.
13. Press the Right button to continue.
14. Set Time for pump changeover.
This is the time at which the alternation between the two motors
is to take place.
This step applies only if you have selected
Alternating operation, time and if the motors are
fitted with FM310 or FM311.
15. Press the Right button to continue.
16. Press OK to confirm the setting.
The multipump function icons appear at the bottom of the
operating panels.
10.53.5 Disabling a multipump system with Grundfos GO
1. Go to Assist.
2. Select Multi-pump setup and press Disable.
3. Press the Right button to continue.
4. Confirm the setting by pressing Send.
5. Press Finish.
10.53.6 Disabling a multipump system with the HMI 300 or 301
operating panel
1. Go to Assist.
2. Select Setup of multi-pump system.
3. Press the Right button to continue.
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