5
B023
A/23 MFFI - A/27 MFFI
Legend:
1. Flue Connector
2. Combustion Chamber Hood
3. Main Heat Exchanger
4. Combustion Chamber Insulation Panel
5. Burner
6. Expansion Vessel
7. Overheat Thermostat
8. Spark Generator
9. Diverter Valve
10. Main Circuit Temperature Probe
11. Main Circuit Flow Switch
12. Diverter Valve Microswitch
13. Filter Seat
14. Drain Valve
15. Secondary Heat Exchanger
16. Safety Valve (3 bar)
17. Circulation Pump with Automatic Air Release Valve
18. Gas Valve
19. Detection Electrodes
20. Ignition Electrodes
21. Fan
22. Venturi
23. Air Pressure Switch
Fig. 1.1
1.3 Overall View