91
G
460
860
45
ø130
1290
955
70
70
M
R
S1
230
230
S2
70
E
230
390
C
U
Fig..1/d
“LOGO 32/80 OF” version
Fig..2
1.3
FUNCTIONAL DIAGRAM
KEY
. 1. Smoke.chamber
. 2. Smoke.stat.capillary
. 3. Safety.valve.
. 4. Boiler.expansion.vessel
. 5. Boiler.block
. 6. Gas.pressure.switch
. 7. Air.vent.valve
. 8. Manual.air.vent.
. 9. D.H.W..circulating.pump
.10. C.H..circulating.pump
.11. Gas.valve
.12. Burners
.13. Non.return.valve
.14. Burners.manifold
.15. Water.pressure.transducer
.16. Boiler.drain.cock
.17. D.H.W..expansion.vessel
.18. D.H.W..safety.valve
.19. Manual.filling.group
.20. D.H.W..tank
.21. Magnesium.anode
.22. D.H.W..drain.cock
CONNECTIONS
M. C.H..flow.
3/4”.M
R. C.H..return.
3/4”.M
E. D.H.W..inlet..
3/4”.F
G. Gas.connection.
3/4”.M
U. D.H.W..outlet.
3/4”.F
C. Re-circulation.
3/4”.F
S1. Safety.valve.drain.
1/2”F
S2. D.H.W..tank.safety.valve.drain..1/2”.F
