Checking the draught controller flap
❒ Check that the draught controller flap moves freely
Cleaning the measurement line of the underpressure controller
❒ Open the insulated door and remove the ash box
⇨ See "Emptying the ash container" [page 29]
❒ Remove the left and right screws on the front cover plate
❒
Slide the cover plate up and remove
❒ Loosen the twin wire clamp with pliers and remove the measurement line from the
under-pressure sensor cartridge
❒
Clean the measurement line with gentle compressed air
➥ WARNING! Do not direct compressed air into under-pressure sensor cartridge!
This could damage it!
❒ After cleaning, refit the measurement line
Depending on the design, port “-” (A) or “HI” (B)
See also
2 Emptying the ash container [➙ 29]
4
Boiler Servicing
Inspection and cleaning
38 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
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