Maintenance and Service
Dismantling burner and heat exchanger
47
Dismantling Rundbrenner/round
burner?
•
Undo electric plug connections
•
Disconnect the fitting (
1
) of the
collection hose (
2
)
•
Pull out ionisation electrode (
4
) and
ignition electrode (
5
) after
loosening fixing screws
•
Loosen fixing screws (
6
) on burner
•
Remove complete burner unit (
7
)
from heat exchanger
•
Check surrounding seal (
8
) of
burner plate as well as the ceramic
fibre seal (
9
) for damage and
replace if necessary
Dismantling Heat exchanger
•
Empty appliance of water
•
Disconnect condensate drainage
hoses (
10
)
•
Disconnect supply and return
connections (
15
)
•
Remove both fixing clips (
17
)
•
Loosen fixing screws (
11
) for heat
exchanger (
12
)
•
Detach heat exchanger forwards
•
Disconnect combustion chamber
insulation (
13
)
•
Flush out heat exchanger (
12
) with
pure water (remove obstinate
impurities with fine synthetic brush
and flush out)
•
Clean flue gas collection unit (
14
)
and check all seals (
18
)
•
Reassemble all components in
reverse order.
5
6
2
11
4
17
13
12
18
14
10
1
8
7
9
11 6
1
6
11
15
