A.O. Smith BFM - 100, Installation & Service Manual

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Working principle of the appliance
12 Instruction manual BFM
2
gis
Cut-away view of the appliance
Legend
Only applicable numbers are
mentioned.
2. hot water outlet
5. pressure switch
8. combustion chamber
9. anode
10. tank
11. heat exchanger
12. inspection and cleaning opening
14. cold water inlet
15. drain valve
16. gas control
18. fan
21. flame probe
22. chimney pipe
24. insulation layer
36. bar burners/burner tray
38. safety thermostat sensor
39. high-limit thermostat sensor
40. burner control
41. control thermostat 42. high-limit thermostat
43. safety thermostat
44. frost thermostat
45. control thermostat sensor
46. frost thermostat sensor
47. air supply
49. air restrictor
50 combustion chamber with
air distribution plate
51. pilot burner
52. spark igniter
IMD-0240 R2
22
22
47
47
18
48
9
11
10
24
49
12
14
15
8
50
36
2
41
5
42
39
43
38
44
40
46
45
21
51
52
16
16
18