Cleaning the flue gas pipe
❒ Unplug the connection cable of the induced draught fan
➥ This prevents damage to the fan from the cleaning brush
❒ Remove the inspection cover on the connecting pipe
❒ Clean the connecting pipe between the boiler and chimney with a chimney
sweeping brush
➥ Depending on the layout of the flue gas pipes and the chimney draught,
cleaning once a year may not be enough!
❒ Plug in the connection cable of the induced draught fan
Checking the draught controller flap
❒ Check that the draught controller flap moves freely
Cleaning the induced draught fan
Check the induced draught fan for dirt and deposits and clean if necessary
NOTICE! Deposits on the running wheel can cause an imbalance in the ID fan, which
can result in noise or, in the worst case, bearing damage.
Cleaning (if required)
❒ Unplug the connection cable of the induced draught fan
❒
Remove the induced draught fan from the back of the boiler
➥ Take care not to damage the seal
❒ Check running wheel for damage
❒ Clean the fan wheel from the inside out using a soft brush or paint brush
NOTICE! Do not move the balancing weights on the blower wheel!
❒ Remove dirt and deposits from the induced draught housing using a scraper
❒ Remove any ash which has gathered using an ash vacuum
❒ Fit the induced draught fan
❒ Plug in the connection cable and secure with cable ties
5
Boiler Servicing
Inspection and cleaning
40 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
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