Cleaning The Boiler; Cleaning The Boiler With Brushes; Wet Cleaning (Chemical Cleaning) - Buderus Logano G115/3 WS Installation And Service Instructions Manual

8
Heating system servicing
8.3

Cleaning the boiler

The boiler can be cleaned with brushes and/or by a wet method.
Cleaning equipment is available as accessory.
CAUTION: Risk of burning by touching hot boiler parts.
▶ Wear appropriate protective personal safety
equipment.
▶ Open burner door by removing the two hexagon bolts on the sides.
8.3.1

Cleaning the boiler with brushes

▶ Note the position of the heat exchanger baffles for later.
▶ Remove the hot gas baffle plates from the hot gas passages.
▶ Clean the hot gas baffle plates with one of the two cleaning brushes.
1
Fig. 37 After opening the burner door
[1] Flue gas baffles in the heat exchanger
▶ Clean the hot gas passages by turning the round cleaning brush.
Fig. 38 Brushing out the hot gas flues
▶ Clean the combustion chamber with a flat brush. Remove the debris
from the combustion chamber, the hot gas flues and the flue
connection.
▶ Refit the heat exchanger baffles in their original positions.
▶ Check sealing rope on burner door. Replace damaged or hardened
gasket cord.
You can obtain suitable gasket cord from your local
Buderus sales office.
36
▶ Close burner door with the two hexagon bolts (approx. 90 inch-lbs).
Tighten the hexagon bolts evenly.
Fig. 39 Brushing out the combustion chamber
8.3.2
For wet cleaning use a cleaning agent appropriate for the degree of
soiling (soot or scale). Proceed with the wet cleaning in the same order
as described for cleaning with brushes ( Chapter 8.3.1, page 36).
7 747 019 141-27.1RS
▶ Cover the control panel with plastic to prevent spray from entering
the control panel.
▶ Spray cleaning agent evenly into the heat exchanger heater
passages.
▶ Close burner door and start up the heating system.
▶ Heat the boiler to a temperature of at least 160 °F.
▶ Shut down the heating system.
▶ Brush out the heat exchanger heater.
7 747 019 141-37.1RS

Wet cleaning (chemical cleaning)

Follow the instructions for the cleaning product. You
may need to proceed differently from the method
described here in some circumstances.
Logano G115 WS US/CA – 6 720 813 418 (2019/09)
7 747 019 141-38.1RS