27
2.
Tighten the burner door screws diagonally to a tor-
que of 40 Nm.
Danger
Leaks from the burner door can result in poi-
soning through escaping gas.
Check the burner door for flue gas tightness,
e.g. with inspection mirror, gas sensor or
thermal image camera.
In the case of leaks, tighten diagonally to 50 Nm.
3.
Check flue gas tightness again.
2.
1.
3.
Fig. 19
Attach the intake extension.
Commissioning, inspection, maintenance
Closing the burner door
(cont.)
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