Buderus Logano G315 Installation And Service Instructions Manual page 34

13
System inspection and maintenance
▶ Take the flue gas baffle plates forwards out of the flue gas passages
(Fig. 61, [1 – 4]).
4
3
2
1
Fig. 61 Flue gas baffles, removing
The various brush types available from Buderus (optional extras) are
shown in Fig. 62.
Fig. 62 Cleaning brushes
▶ Clean the flue gas passages (Fig. 63, [1]) starting at the front and
working towards the back with cleaning brushes 1 and 2 (Fig. 62).
▶ Clean the rear wall of the combustion chamber with cleaning brush 3.
▶ Clean the rest of the combustion chamber (Fig. 63, [2]) with
cleaning brush 2.
▶ Clean the bottom flue gas passages from the front with cleaning
brush 2 (Fig. 63, [1]).
34
3
2
1
Fig. 63 Heat exchanger heater flue, cleaning
720 42 21-44.1o
▶ Undo the four self-tapping screws on the rear boiler panel at the
bottom.
▶ Remove bottom rear boiler panel.
▶ Loosen spring hooks below the flue outlet ( Fig. 35, page 22).
▶ Fold both ends of the thermal insulation up (Fig. 64, [1]) and fasten
in this position with the spring hooks.
1
▶ Remove the cleanout covers from the rear section (Fig. 64, [2]) and
on the draft diverter (Fig. 64, [3]).
▶ Remove all loose combustion residues from the combustion
chamber, the flue gas passages and the draft diverter.
2
▶ Check sealant ropes on the openings of the cleanout covers and
burner door. Replace damaged or hardened sealant ropes.
3
720 42 23- 9.1o
3
Fig. 64 Removing the cleanout cover
▶ Clean flue gas baffle plates with the cleaning brushes.
You can obtain sealant ropes from your nearest branch
office.
Logano G315 – 6 720 817 939 (2017/02)
720 42 21-4 .1o
1
2
720 42 21-45.1o