Boiler maintenance
Inspection, cleaning and maintenance
Fröling Heizkessel- und Behälterbau Ges.m.b.H, Industriestraße 12, A-4710 Grieskirchen, Austria Page 37
Tel +43 (0) 7248 606-0 Fax +43 (0) 7248 606-600 info@froeling.com www.froeling.com
B0190806
Clean the smoke flue pipe
Clean the connecting pipe between the boiler and the chimney
regularly with a chimney sweeping brush
Depending on the layout of the flue pipes and the chimney
draught cleaning yearly may not be enough!
Checking the draught controller flap and explosion flap
Check the draught controller flap and explosion flap for ease of
operation
Maximum permissible setting: 25 Pa
Ideal setting: 20 Pa
Checking the combustion chamber door
Close the combustion chamber door
and check its seal
Check fibre-glass seal (1) for
perfect alignment on the door frame
Imprint in the fibre-glass seal
If the seal is coloured black at several points or the imprint is
interrupted:
The seal is no longer efficient.
Tighten the door latches or replace the fibre-glass seal
Clean the bypass line (only for systems with suction unit)
Loosen the hose clips on the T-piece and the rotary valve
Detach the bypass line (1) and double-nippled pipe (2)
Check that the double-nippled pipe and bypass line are clear and if
necessary clean them with compressed air
Remove deposits from the thread (3) of the pellet valve
Depending on the length of the suction hose and the fuel type,
cleaning yearly may not be sufficient!
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