❒ If there is a lot of dirt, clean the combustion chamber
⇨ See "Cleaning the flue gas collection chamber and the heat exchanger" [page
30]
Check the downpipe for dirt (P4 Pellet 45 and up)
❒
Check the downpipe (1) between the burner gate valve and combustion grate for
dirt
❒ If there is a lot of dirt or caking, clean the downpipe
➥ For cleaning use a large crosshead screwdriver and a wire brush, for example.
Boiler Servicing
4
Inspection and cleaning
Operating Instructions P4 Pellet | B0870417_en 29