Wet Cleaning (Chemical Cleaning) - Buderus Logano G234X Installation And Maintenance Instructions Manual

8
Heating system inspection and maintenance
Cleaning the boiler:
B Remove the boiler cover and heat insulation, check for
damage.
B Unscrew cleaning cover from the draft diverter.
B Cover control unit with foil to prevent entry of metal
dust into the control unit.
B Use boiler brush to clean out flue gas passages.
B Clean combustion chamber and bottom panel.
B Screw cleaning cover into place and replace insulation.
B Install boiler cover.
Fig. 46 Cleaning the hot flue passages
1 Cleaning brushes
2 Thermal insulation
3 Foil cover of the control unit
40
8.5.2

Wet cleaning (chemical cleaning)

For wet cleaning use a cleaning agent appropriate for the
degree of soiling (soot or scale).
Follow the same procedure as for cleaning with brushes
( page 39).
B Remove the boiler cover and heat insulation, check for
damage.
B Unscrew cleaning cover from the draft diverter.
B Cover the control panel with foil to prevent spray
getting into the control panel.
B Ventilate boiler room well.
B Spray cleaning agent evenly into the heat exchanger
heater passages.
B Carry out the burner assembly and installation in
reverse order to their removal and disassembly
( page 39).
Fig. 47 Wet-cleaning the boiler
B Start up the heating system.
B Heat up the boiler to a boiler water temperature of at
least 122 °F (55 °C).
B Shut down the heating system.
B Allow boiler to cool.
B Remove the burner (
B Brush out the heat exchanger heater.
B Clean combustion chamber and bottom panel.
B Ventilate boiler room well again.
B Install or clean the burner (
B Screw cleaning cover into place and replace insulation.
B Install boiler cover.
Logano G234X - Technical specifications are subject to change without prior notice.
Observe the operating instructions of the
cleaning agent. Under some circumstances
you may have to proceed differently from the
method described here.
page 39).
page 41).