Cleaning the broadband probe
(Item C ⇨ See "Periodic inspection and cleaning" [page 38])
❒ Unscrew the broadband probe
➥ CAUTION: broadband probe may be hot!
❒ Remove dirt with a soft brush
➥ Tip: to remove all the dirt, use an ash vacuum afterwards
➥ CAUTION: Do not use sharp objects or compressed air to clean the broadband
probe
❒
Screw in the broadband probe once more by hand
Cleaning the flue gas temperature sensor
(Item C ⇨ See "Periodic inspection and cleaning" [page 38])
❒ Loosen the retaining screw and pull out the flue gas temperature sensor
❒
Wipe the flue gas temperature sensor with a clean cloth
❒ Insert the flue gas sensor back into the flue gas temperature gas pipe and finger-
tighten the retaining screw
4
Boiler Servicing
Inspection and cleaning
42 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
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