Immergas Victrix Tera V228 EU Manual page 47

Total head available to the system.
Victrix Tera V2 28 EU
80
70
60
50
Y1
40
30
20
10
0
0
Victrix Tera V2 32 EU
80
70
60
50
3
Y1
40
30
20
10
0
0
Key (Fig. 35 ; 36)
1 = Head available to the system at speed 95% with by-pass closed
2 = Head available to the system at speed 95% with by-pass open
3 = Head available to the system at speed 65% with by-pass closed
4 = Head available to the system at speed 65% with by-pass open
5 = Circulator absorbed power at 95% speed with closed by-pass
6 = Circulator absorbed power at 65% speed with closed by-pass
1
2
3
6
200 600
400
1
2
6
200 600
400
5
4
800 1000
1200
5
4
800 1000
1200
Area between curves 1 and 3 = Available system head with bypass closed
Area between curves 2 and 4 = Available system head with bypass open
Area between curves 5 and 6 = Circulator absorbed power with bypass
closed
X1 = Flow rate (l/h)
Y1 = Head (kPa)
Y2 = Power absorbed by pump (W)
80
70
60
50
40
30
20
10
0
1600 1800
1400
80
70
60
50
40
30
20
10
0
1600 1800
1400
Y2
35
Y2
36
47