14. Press OK to confirm the setting.
The multipump function icons appear at the
bottom of the operating panels.
9.54.5.4 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.
9.54.6
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.
9.54.7
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.
4. Press OK to confirm No multi-pump function.
5. Press the Right button to continue.
6. Press OK to confirm.
9.55 Description of control mode
The function is only available in the HMI 300 and 301
operating panels.
The function describes each of the control modes
available for the product.
9.56 Assisted fault advice
This function provides guidance and corrective
actions in the event of product failure.
78
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