1
2
3
4
5
6
7
8
9
93
2
1
3
1
4
5
6
7
8
9
10
11
12
13
14
15
1.5
MAIN COMPONENTS
Fig..3/a
Fig..3
“LOGO 22 OF - 32 OF” version
“LOGO 32/50 OF” version
KEY
. 1. Non.return.valve
. 2. Control.panel
. 3. D.H.W..circulating.pump
. 4. D.H.W..expansion.vessel
. 5. Manual.filling.group
. 6. D.H.W..tank
. 7. D.H.W..tank.drain.cock
. 8. Boiler.drain.cock
. 9. Burners.manifold
.10. Pilot.burner
.11. C.H..circulating.pump
.12. Gas.valve
.13. Gas.pressure.switch
.14. Safety.valve
.15. Ignition.transformer
KEY
1..Control.panel
2..Pressure.transducer
3..C.H..circulating.pump
4..Boiler.drain.cock
5..Burners.manifold
6..Pilot.burner
7..Gas.valve
8..Gas.pressure.switch
9..Ignition.transformer