76
03. Use a vacuum cleaner to remove
residues from heating surface
B
inside the combustion chamber.
04. If required, spray slightly acidic,
chloride-free cleaning agents based
on phosphoric acid onto heating
surface
B
and let the solution soak
in for at least 20 min.
05. Thoroughly flush heating surface
B
with water.
06. Reopen the opening in heating sur-
face
B
.
07.
Reinstall separating plate A and
tighten screws with 1.5 Nm.
Note
Ensure the separating plate is fitted
correctly.
08. Install the burner and tighten the
screws diagonally with 8.5 Nm.
09. Fit the gas/air duct with a new gas-
ket. Tighten the union nut with a tor-
que of 100 Nm.
10. Check the gas connections for tight-
ness.
Danger
Escaping gas leads to a risk
of explosion.
Check all fittings for gas
tightness.
11. Connect the electrical cables/leads
to the corresponding components.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5618 294 GB
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