Buderus Logano G615 Installation And Service Instructions Manual page 48

13
System inspection and maintenance
Fig. 60 Flue gas baffles, removing
B Remove bottom boiler rear panel.
B Loosen spring hooks below the flue outlet (
Fig. 38, page 33).
B Fold both ends of the thermal insulation upward and
fasten with the spring hooks.
B Remove the cleanout covers from the draft diverter.
4
Fig. 61 Removing the cleanout cover
1 Thermal insulation (folded upwards)
2 Thermal insulation (folded upwards)
3 Cleanout cover on the rear section
4 Cleanout cover on the draft diverter
B Clean the top and bottom flue gas passages with
cleaning brushes #4 and #5 [
B Clean the combustion chamber with cleaning brush 8.
48
720 42 25-49.1o
see
1
2
3
720 42 25-52.1o
Fig. 63].
B Remove debris from the front and the cleanout
openings on the rear section and on the draft diverter
( Fig. 61, page 48).
B Check sealant ropes on the cleanout openings and
burner door. Replace damaged or hardened sealant
ropes.
Appropriate sealant ropes are available from
your local Buderus wholesaler.
3
2
1
Fig. 62 Heat exchanger flue gas passages, cleaning
1 Bottom flue gas passages
2 Combustion chamber
3 Top flue gas passages
B Clean flue gas baffles with the cleaning brushes.
B Insert flue gas baffles into flue gas passages
( Fig. 31, page 32 and Fig. 33 and Fig. 29,
page 30).
B Close cleanout covers and burner door. Tighten
screws evenly. Reinstall front side panels. Reinstall any
plugs.
B Fold the rear section thermal insulation down and pull
together under the flue outlet using spring hooks.
B Remount bottom boiler panel.
With the use of the cleaning brushes, optimal cleaning of
the boiler can be achieved.
The various brush types available are shown in Fig. 63.
For brush sizes as well as usage locations for the brushes,
consult Table 14.
Logano G615 - Subject to technical modifications
720 42 25-53.1o