4.5 Diagrams
Head available for the system
H [m H
O]
7
2
6
3
5
2
4
3
1
2
1
0
0
Key
1 - 2 - 3 = Pump selector positions
A = Boiler losses of head
36
500
(In order to obtain maximum hot water output the pump must be left in position 3).
OPTIMAX HE 38 C
1.000
1.500
fig. 34
A
Q [l/h]
2.000