A.O. Smith Innovo IR 12-160, Installation, User And Service Manual

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Disassemble the burner:
8.
Remove the flame rod (11) from the adapter (12). Do a visual check on the flame
rod.
9. Remove the hot surface igniter (10) from the adapter. Do a visual check on the hot
surface igniter.
10. Make sure that there is no tear on the non-return valve (8) and that this valve is not
deformed.
11. Loosen the four bolts (9) to disconnect the adapter from the burner flange (15).
12. Take out the burner (14) from the burner flange.
Fig. Disassemble the burner assembly
13
14
15
8
10
11
9
9
12
8. Non return
valve
9. Bolts
10. Hot surface
igniter
11. Flame rod
12. Adapter
13. Gasket
14. Burner
15. Burner flange
Use compressed air to remove all contamination from the outside to the inside of the
burner.
11.4.2 Clean the combustion chamber
Use a vacuum cleaner and a soft brush to clean the combustion chamber (1) of the heat
exchanger.
Fig. Combustion chamber
1
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