Grundfos Control MPC Montage- Und Betriebsanleitung Seite 57

The VFD speed range is the range in which the VFD is
operating, so if the minimum and maximum speeds are
limited on the VFD, the values for the operating range
have to be entered in these fields.
Only used for EF systems. It is not used for E and EC
systems.
Read the data using the pump performance curves which can be
found in Grundfos Product Center at www.grundfos.com. See the
examples below.
If you cannot access Grundfos Product Center, try bringing a pump
into the three duty points:
• Power, Q0, 100 % speed
• Power, Q0, 50 % speed
• Rated power Pnom.
Setting via the operating panel
• Settings > Secondary functions > Pump curve data.
• Select and set:
- Rated flow rate Qnom
- Rated head Hnom
- Max. head Hmax
- Max. flow rate Qmax
- Power, Q0, 100 % speed
- Power, Q0, 50 % speed
- FD minimum speed
- VFD maximum speed.
Related information
8.6.44 How to read pump curve data
8.6.44 How to read pump curve data
Read the power values in displays 1.3 to 1.8, depending on the
pump. See section Pump 1-6, Pilot pump (1.3 - 1.10).
5
2
Reading of Q , H , H and Q
nom nom max
Center)
Pos. Description
1 Rated duty point
H
2
nom
Q
3
nom
Q
4
max
5 H
max
1
3 4
(Grundfos Product
max
2
Reading of power, Q0, 100 % speed (Grundfos Product Center)
Pos. Description
1 Power, Q0, 100 % speed
2 Duty point, Q0, 100 % speed
2
Reading of power, Q0, 50 % speed (Grundfos Product Center)
Pos. Description
1 Power, Q0, 50 % speed
2 Duty point, Q0, 50 % speed
1
1
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