4.5 Diagrams
Circulating pump head / pressure losses
H [m H
O]
8
2
7
6
5
4
3
2
1
0
0
A
Boiler pressure losses
1 - 2 - 3 Circulating pump speed
92
3
2
1
500
1.000
fig. 44
cod. 3540H322 - 09/2008 (Rev. 01)
Reply 51 - 71 - 101
A
1.500
2.000
Q [l/h]
2.500
EN