Wet Cleaning The Heat Exchanger - Buderus Logano plus GB312 Installation And Maintenance Instructions Manual

B Undo fixing nuts [3] from the top and bottom of the
burner plate.
B Screws on the side of the fan:
Undo the rear 2 hexagon screws [2] by 2 turns;
remove front 2 hexagon screws [1].
B Carefully pull out the burner towards you.
Fig. 58 Removing the burner from the heat exchanger
1 Front hexagon screws
2 Rear hexagon screws
3 Fixing nuts
9.7.2

Wet cleaning the heat exchanger

When wet cleaning, use a cleaning agent appropriate to
the level of contamination (soot or encrusted residues).
The cleaning agent must be suitable for aluminium!
DANGER: Risk to life from escaping flue
gas!
B When fitting the cleaning cover, check for
damaged gaskets and their correct
seating.
B Clean the heat exchanger with water or a cleaning
agent suitable for aluminium (see instructions provided
by the manufacturer of the cleaning agent).
During wet cleaning, protect electrical
components (fan, gas train etc.) against
moisture and contamination.
Logano plus GB312 - Subject to technical modifications.
Inspection and maintenance
Fig. 59 Wet cleaning the heat exchanger
B Use a hose to flush any residues into the bucket or the
condensate pan.
B Clean the condensate pan with water.
B Clean the siphon with water.
DANGER: Risk to life through poisoning!
Siphons not filled with water can cause a risk
to life through escaping flue gas.
B Fill the siphon with approx. 2 litres of
water.
B Fit the siphon
( Chapter 5.5.5, page 22 ff.).
Fig. 60 Cleaning the siphon
B Check the condensate hose between the boiler flue
connection and the siphon for free flow.
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