13
English (US)
8.5 Pump performance and operating mode selection
The hydraulic performance shown is without check valve.
TM
06
89
10
14
17
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
Q [US GPM]
0
2
4
6
8
10
12
14
16
18
20
[ft]
H
0
1
2
3
4
5
6
[m]
H
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Q [m³/h]
Constant Pressure III
Constant Pressure II
Constant Pressure I
17 18
Pos.
Description
• Push-button for selection of pump setting
• Every time you press the push-button, the circulator setting is changed.
III
Constant pressure III
• The duty point of the pump will move left and right along the highest constant-pressure
curve depending on the water demand in the system.
II
Constant pressure II
• The duty point of the pump will move left and right along the middle constant-pressure
curve depending on the water demand in the system.
I
Constant pressure I
• The duty point of the pump will move left and right along the lowest constant-pressure
curve depending on the water demand in the system.
Содержание ALPHA1 Series
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