Description Of Control Mode; Assisted Fault Advice - Grundfos CRE Instrucciones De Instalación Y Operación

Advanced control panel and wired pump connection
1. Connect the two pumps 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. See
section 7.41 "Assisted pump
3. Assign pump number 1 to the first pump. See section
7.24 "Number" ("Pump number").
4. Assign pump number 2 to the other pump. See section
7.24 "Number" ("Pump number").
5. Select the "Assist" menu on one of the pumps and choose
"Setup of multi-pump system".
6. Press [>] to continue.
7. Select "Wired GENIbus" as the communication method to be
used between the two pumps.
8. Press [>] twice to continue.
9. Select the desired multipump function. See section
7.44.1 "Alternating operation"
above.
10. Press [>] to continue.
11. Press [OK] to search for other pumps.
12. Select the pump from the list.
13. Press [>] to continue.
14. Set the time for pump changeover, that is 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.
15. Press [>] to continue.
16. Press [OK] to confirm the setting.
The multipump function icons appear in the bottom of the
control panels.
60
setup".
and 7.44.2 "Backup operation"
Disabling a multipump system via Grundfos GO
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].
Disabling a multipump system via advanced control 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.

7.45 "Description of control mode"

This menu is only available in the advanced control panel.
This menu describes each of the possible control modes. See
also section 7.4 "Control mode".

7.46 "Assisted fault advice"

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