Alpha E-Tec Plus 28NX - Page 8

Alpha E-Tec Plus 28NX, 33NX and 38NX - Technical Data
Fig. 3.1
Fig. 3.2
3.5.1 E-Tec Plus 28NX Available Pump Head and Power Consumption
3.5.2 E-Tec Plus 33NX and E-Tec Plus 38NX Available Pump Head and Power Consumption
A+B = Head available with by-pass closed
B = Head available with by-pass open
C+D = Power consumed by the pump with by-pass open (dotted area)
D = Power consumed by the pump with by-pass closed (dotted area)
Pump electrical consumption (W)
Flow rate (l/h)
Head (m water)
1400
1500
1600 1700 1800
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
0 100 200 300
400 500
600
700
800
900 1000 1100 1200
1300
Speed 9
Speed 9
Speed 6
A
C
B
D
Speed 6
A+B = Head available with by-pass closed
B = Head available with by-pass open
C+D = Power consumed by the pump with by-pass open (dotted area)
D = Power consumed by the pump with by-pass closed (dotted area)
Pump electrical consumption (W)
Flow rate (l/h)
Head (m water)
1400
1500
1600 1700 1800
0 100 200 300
400 500
600
700
800
900 1000 1100 1200
1300
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
80
Speed 9
Speed 9
Speed 6
C
D
B
A
Speed 6
8