
G-9
A-070336_EN • Rev. A
P
roduct
d
escriPtion
1. Air inlet duct
2. Fan and burner assembly
3. Ignition electrode
4. Hoisting ring
5. Water pressure sensor
6. Heat exchanger
7. On-Off switch
8. Heating return connection, with temperature sensor
9. Condensate vent
10. Condensate level switch
11. Condensate trap
12. Condensate pipe
13. Drain connection - plugged
14. Electronic main board and cable hub (for optional module
connection, see
“Optional Modules” on page I-53
15. Electronic junction box
16. Control panel with LCD display
17. Burner plate temperature limit switch
18. Air adapter
19. Gas valve
20. Ionization electrode
21. Manual air vent
22. Heating supply connection, with temperature sensor
23. Flue gas temperature sensor
24. Flue gas connection
25. Condensate drain
26. Rear electrical box (high voltage terminal strip)
27. Gas pipe (with measuring point on N 120 FS & N 160 FS)
28. Gas pressure switch
29. Ignition transformer
KEY
Fig. 3. Boiler Components - Front and Rear Views
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
8
26
27
28
29