8.7.37 How to read the pump curve data
Read the power values in the displays 1.3 to 1.8, depending on
the pump. See section
8.4.12 Pump 1-6 (1.3 -
Hmax
Hnom
Fig. 88 Reading of Qnom, Hnom, Hmax and Qmax (Grundfos
Product Center)
Duty point, Q0,
100 % speed
Fig. 89 Reading of power, Q0, 100 % speed (Grundfos
Product Center)
Duty point, Q0,
50 % speed
Fig. 90 Reading of power, Q0, 50 % speed (Grundfos Product
Center)
46
1.10).
Rated duty point
Qnom
Qmax
Power, Q0, 100 % speed
Power, Q0, 50 % speed
Fig. 91 Reading of rated power Pnom (Grundfos Product
Center)
Qnom and Hnom are the rated duty point of the
pumps and usually the duty point with the highest
efficiency.
Setting via operating panel
•
Settings > Secondary functions > Stop function Settings >
Secondary functions > Stop function > Pump curve data.
6. 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
•
Rated power Pnom.
Duty point,
rated power
Pnom
Rated power Pnom