Fig.33
Boiler in 0-10 V
7
1a
35
2a
30e
7609493 - v08 - 24072018
5.6.4
30e Drain valve
119 Boiler return
AVS75
3
1
27
34
119
Connection diagram: controlling a boiler in 0-10 V
1 Boiler flow
1a Heating flow
2a Heating return
3 4 bar (0.4 MPa) safety valve
7 Automatic air vent
27 Non-return valve
34 Modulating boiler pump
35 Low-loss header (optional)
5 Before installation
35