Cleaning The Heat Exchanger - Buderus Logano plus GB402 Installation And Maintenance Instructions Manual

9
Inspection and maintenance
9.6.2

Cleaning the heat exchanger

Dry cleaning the heat exchanger
B Remove the thermal insulation from the heat
exchanger.
Fig. 50 Heat exchanger thermal insulation
1 Clip
2 Thermal insulation
B Undo fixing nuts from cleaning covers [1] at the top and
bottom of the heat exchanger.
B Remove the cleaning covers.
Fig. 51 Opening the cleaning covers
1 Cleaning cover
B Undo the fixing nuts from the top and bottom of the
condensate tray cover.
B Remove the cover.
CAUTION: Risk of injury from sharp edges
on the cleaning blades.
B To avoid injury, wear gloves when cleaning
the boiler using cleaning blades
(accessories).
46
B Clean the hot gas flues of the heat exchanger
horizontally and diagonally using the long cleaning
blade.
B Clean the back section of the hot gas flues from below
through the condensate tray using the short cleaning
blade.
Fig. 52 Dry cleaning the heat exchanger
1 Long cleaning blade (available separately)
2 Short cleaning blade (available separately)
WARNING: Risk to life from escaping flue
gas!
B During installation, look out for faulty
gaskets and ensure they are seated
correctly. Replace faulty gaskets.
B Replace the gaskets as described
( Chapter 9.13).
B Screw the cleaning covers back on.
Fig. 53 View of cleaning cover
1 320 kW
2 395-620 kW
Logano plus GB402 - Subject to technical modifications!
1
2
6720646293-01.1BU