34
Note
After no more than around 2 min, the
flue gas monitoring device must shut
down the burner and must not switch
on again automatically until at least
15 min have elapsed. For safety rea-
sons, the burner will be blocked for 18
to 20 min.
5.
■ If the flue gas monitoring device
takes longer than 2 min to shut
down: Check flue gas monitoring
sensor
A
(see page 43) and
replace if necessary, e.g. if corro-
ded.
■ If the flue gas monitoring device still
does not shut down the burner even
after a new flue gas monitoring sen-
sor has been installed, or if the
burner does not start, replace the
control unit.
6. Shut down the boiler.
7. Clear the aperture and push the flue
pipe onto the draught hood.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5848 649 GB
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