61
IT
ES
ENG
1
2
3
4
5
6
7
8
9
10
11
13
24
14
15
16
19
20
21
22
23
1.5
MAIN COMPONENTS
Fig..3
KEY
. 1. System.return.manifold
. 2. Gas.manifold
. 3. Gas.tap
. 4. System.supply.manifold
. 5. Gas.valve
. 6. Fan
. 7. Ignition.electrode.
. 8. Detection.electrode
. 9. Ignition.transformer
.10. Exhaust.thermostat
.11. Control.panel
.13. Air.pressure.switch
.14. Heating.probe.(SM)
.15. Safety.thermostat.95°C
.16. Differential.pressure.switch
.19. Distributor
.20. 5.BAR.safety.valve
.21. Module.drain
.22. System.supply.tap
.23. 3-way.drain.tap
.24. Shunt.box