10
English (US)
5.6 Performance curves
Fig. 5
Performance curves, ALPHA2 26-99 circulators*
* ALPHA1 26-99 circulators are externally speed-controlled by an analog 0-10 V DC signal.
TM
07
218
1
301
8 /
TM
07
21
82
301
8
H
[ft]
50
45
35
30
25
20
15
10
40
5
0
H
[m]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Q [US GPM]
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
Q [m³/h]
0.0
0.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
Proportional pressure 3
Proportional pressure 2
Proportional pressure 1
Proportional pressure AUTOAdapt
H
[ft]
50
45
35
30
25
20
15
10
40
5
0
H
[m]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Q [US GPM]
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
Q [m³/h]
0.0
0.5
1.0
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
Constant pressure 3
Constant pressure 2
Constant pressure 1
Constant pressure AUTOAdapt
