Grundfos CRE Installation And Operating Instructions Manual page 57

If a sensor is placed on or across the individual pumps, for
example, installed behind non-return valves and not able to
measure the output from all pumps, then select "Running pump
sensor".
8.44.7 Setting up a multipump system
You can set a multipump system in the following ways:
• Grundfos GO and wireless pump connection
• Grundfos GO and wired pump connection
• Advanced operating panel and wireless pump connection
• Advanced operating panel and wired pump connection
See step-by-step descriptions below.
Grundfos GO Remote and wireless pump connection
Related information
8.24 "Number" ("Pump number")
8.24 Numéro (Numéro de pompe)
8.24 "Número" ("N.º de bomba")
8.35 "Pump name"
8.35 Nom de la pompe
8.35 "Nombre bom."
8.41 "Assisted pump setup"
8.41 Configuration assistée de la pompe
8.41 "Configuración asistida de la bomba"
8.44.1 "Alternating operation"
8.44.2 "Backup operation"
8.44.1 "Alternating operation"
8.44.2 "Backup operation"
8.44.1 "Alternating operation"
8.44.2 "Backup operation"
8.44.7.1 Grundfos GO Remote and wireless pump connection
1. Power on the pumps.
2. Establish contact to one of the pumps with Grundfos GO
Remote.
3. Set the needed analog and digital inputs via Grundfos GO
Remote according to the connected equipment and the required
functionality. See the section on assisted pump setup.
4. Assign a pump name to the pump using Grundfos GO Remote.
See the section on the pump name.
5. Disconnect Grundfos GO Remote from the pump.
6. Establish contact to the next pump.
7. Set the needed analog and digital inputs via Grundfos GO
Remote according to the connected equipment and the required
functionality. See the section on assisted pump setup.
8. Assign a pump name to the pump using Grundfos GO Remote.
See the section on the pump name.
9. Repeat steps 5 to 8 if more pumps are installed in the system.
10. Select the "Assist" menu and choose Setup of multi-pump
system.
11. Select the desired multipump function. See the sections on
alternating operation, backup operation and cascade operation.
12. Press [>] to continue.
13. 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.
14. Press [>] to continue.
15. Select "Radio" as the communication method to be used
between the pumps.
16. Press [>] to continue.
17. Select pump 2.
18. Select the pump from the list.
• If applicable, select pump 3 (only in cascade)
• If applicable, select pump 4 (only in cascade)
Use the [OK] or
19. Press [>] to continue.
20. Confirm the setting by pressing [Send].
21. Press [Finish] in the "Setup complete" dialog box.
22. Wait for the green indicator light in the middle of Grundfos Eye
to light up.
8.44.7.2 Grundfos GO Remote 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. Power on the pumps.
3. Establish contact to one of the pumps with Grundfos GO
Remote.
4. Set the needed analog and digital inputs via Grundfos GO
Remote according to the connected equipment and the required
functionality. See the section on assisted pump setup.
5. Assign a pump name to the pump using Grundfos GO Remote.
See the section on the pump name.
6. Assign pump number 1 to the pump. See the section on
number.
7. Disconnect Grundfos GO Remote from the pump.
8. Establish contact to the next pump.
9. Set the needed analog and digital inputs via Grundfos GO
Remote according to the connected equipment and the required
functionality. See the section on assisted pump setup.
10. Assign a pump name to the pump using Grundfos GO Remote.
See the section on the pump name.
11. Repeat steps 7 to 10 if more pumps are installed in the system.
12. Select the "Assist" menu and choose Setup of multi-pump
system.
13. Select the desired multipump function. See the sections on
alternating operation, backup operation and cascade operation.
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. Select "BUS cable" as the communication method to be used
between the two pumps.
18. Press [>] to continue.
19. Press "Select pump 2".
button to identify the pump.
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