Description Of Control Mode; Assisted Fault Advice - Grundfos CRE Installation And Operating Instructions Manual

20. Select the pump from the list.
Use the [OK] or button to identify the pump.
21. Press [>] to continue.
22. Confirm the setting by pressing [Send].
23. Repeat steps 19 to 21 if more than two pumps are installed in
the system. See the section on cascade operation.
24. Press [Finish] in the "Setup complete" dialog box.
25. Wait for the green indicator light in the middle of Grundfos Eye
to light up.
8.44.7.3 Advanced operating panel and wireless pump
connection
1. Power on the pumps.
2. On the pumps, set the analog and digital inputs according to the
connected equipment and the required functionality. See the
section on assisted pump setup.
3. Select the Assist menu on one of the pumps, and choose
Setup of multi-pump system.
4. Press [>] to continue.
5. Select Wireless as the communication method to be used
between the pumps.
6. Press [>] to continue.
7. Select the desired multipump function. See the sections on
alternating operation, backup operation and cascade operation.
8. Press [>] three times to continue.
9. Press [OK] to search for other pumps. The green indicator light
in the middle of Grundfos Eye flashes on the other pumps.
10. Press the connect button on the pumps which are to be added
to the multipump system.
11. Press [>] to continue.
12. Set the time for a pump changeover i.e. the time at which the
alternation between the two pumps is to take place.
This step applies only if you have selected "Alternating
operation, time" and if the motors are fitted with FM
300.
13. Press [>] to continue.
14. Press [OK] to confirm the setting. The multipump-function icons
appear in the bottom of the operating panels.
8.44.7.4 Advanced operating panel and wired pump connection
1. Connect the pumps with each other with a 3-core screened
cable between the GENIbus terminals A, Y, B.
2. On the pumps, set the needed analog and digital inputs
according to the connected equipment and the required
functionality. See the section on assisted pump setup.
3. Assign pump number 1 to the first pump. See the section on
number.
4. Assign pump number 2 to the next pump. See the section on
number.
5. Assign pump number 3 and 4 if more than two pumps are
installed in the system. See the sections on cascade
operation and number.
6. Select the Assist menu on one of the pumps and choose Setup
of multi-pump system.
7. Press [>] to continue.
58
8. Select Wired GENIbus as the communication method to be
used between the two pumps.
9. Press [>] twice to continue.
10. Select the desired multipump function. See the sections on
alternating operation, backup operation and cascade operation.
11. Press [>] to continue.
12. Press [OK] to search for other pumps.
13. Select the pump from the list.
14. Press [>] to continue.
15. Set the time for a pump changeover i.e. the time at which the
alternation between the two pumps is to take place.
This step applies only if you have selected "Alternating
operation, time" and if the motors are fitted with FM
300.
16. Press [>] to continue.
17. Press [OK] to confirm the setting. The multipump-function icons
appear in the bottom of the operating panels.
8.44.7.5 Disabling a multipump system via Grundfos GO
Remote
1. Select the "Assist" menu.
2. Select Setup of multi-pump system.
3. Select "Disable".
4. Press [>] to continue.
5. Confirm the setting by pressing [Send].
6. Press [Finish].
8.44.7.6 Disabling a multipump system via the advanced
operating panel
1. Select the Assist menu.
2. Select Setup of multi-pump system.
3. Press [>] to continue.
4. Confirm No multi-pump function by pressing [OK].
5. Press [>] to continue.
6. Press [OK] to confirm.

8.45 "Description of control mode"

This menu is only available in the advanced operating panel.
This menu describes each of the possible control modes. See also
the section on control mode.
Related information
8.4 "Control mode"

8.46 "Assisted fault advice"

This menu gives guidance and corrective actions in case of pump
failures.