Technical information

31
36
3
1
2
4
13
7
11
14
8
9
10
12
5
6
19
18
1
7
16
20
3
0
29
28
2
6
2
5
2
4
23
2
2
2
1
31333234
35
37
LEGEND :
1. - Main heat exchanger
2. - Burner
3. - Ignition electrodes
4. - Flame detection electrode
5. - Modulating valve
6. - Safety valve
7. - Safety valve
8. - Domestic hot water tank
9. - Water tank valve
10. - Water service tap
11. - Heating flow thermistor
12. - Tank thermistor
13. - Hot water control thermistor
14. - Pump
16. - DHW activator
17. - Heating return thermistor
18. - Heating expansion vessel
19. - Three way valve
20. - Heating safety valve
21. - Pressure gauge
22. - Electrical box
23. - Overheating safety device
24. - Air pressure switch
25. - Fan
26. - Flue pipe
27. - By-pass
28. - Non-return valve
29. - Flow limiter
30. - Filter
31. - Gas tap
32. - Heating return tap
33. - Heating flow tap
34. - Water service tap
35. - DHW expansion kit
36. - Thermostatic mixing kit (optional)
37. - D.H.W. circulation kit (optional)
14. Water circuit Diagrams