5.
Clean the heating surfaces of the
boiler (with the burner removed)
with the cleaning brushes supplied.
!
Please note
Cleaning agents containing
potassium destroy the heat-
ing surfaces.
Only use potassium
‐
free
cleaning agents.
6.
Remove residues from the bottom
plate.
7.
Install in reverse order.
Burner installation
Use new gaskets when refitting the
burner.
Checking all gas equipment for soundness at operating pres-
sure
Danger
Escaping gas can lead to
explosions.
Check the soundness of all
joints of gas pipes and fittings
at operating pressure with a
foaming test agent (leak test
spray).
Further details regarding the individual steps
(cont.)
18
Initial start-up, inspection, maintenance
5692
647
GB
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