Bosch Greenstar 57 Manual page 12

1 2 | Bosch Greenstar
Pump curve of heating boiler
25
20
15
10
5
0
0 1
7
6
5
4
3
2
1
0
0 200
Fig. 4 Greenstar boiler pump curves
Key to Fig. 4
1 Residual head pressure at speed 1
2 Residual head pressure at speed 2
3 Residual head pressure at speed 3 (default setting)
Data subject to change
4
3
2
1
2 3 4 5 6 7 8
.
V / gpm
4
3
2
1
400 600 800 1000 1200 1400 1600
.
V / l/h
6 720 641 933-59.1O
Pump curve of combi boiler (heating side)
25
20
15
10
5
1
0
0 1 2 3
.
V / gpm
7
6
5
4
3
2
1
0
0 400
.
V / l/h
4 Head pressure of the boiler pump by itself (at speed 3)
H Head pressure in feet of head (m)
V Circulating water volume in gallons per minute (l/h)
Applications Manual
4
3
2
4 5 6 7 8
4
3
2
1
800 1200 1600
6 720 641 933-61.1O
Bosch Thermotechnology Corp.