Inspection and maintenance
ecoTEC plus installation and maintenance instructions 0020134823_01 53
13
1
13.10 Replacing electrodes
> Remove the electrodes (1) from the burner plate from
above.
> Insert the new electrodes with new seals. Tightening
torque: 2.8 Nm
b
Caution.
Risk of material damage caused by dam-
age to the ignition and ionisation elec-
trodes.
The electrodes could become damaged dur-
ing installation.
> Fit the new electrodes only after first
installing the gas-air mixture unit.
13.5.5 Cleaning the condensate siphon
a
Danger!
Risk of death caused by improper main-
tenance!
If you operate the boiler with an empty
condensate siphon, flue gas may escape
into the room air.
> Top up the condensate siphon after each
cleaning session.
2
1
13.11 Cleaning the condensate siphon
> Remove the siphon's lower section (2) by unscrewing it
from the condensate siphon (1).
> Flush out the lower section of the siphon with water.
> Fill the lower section of the siphon with water up to
about 10mm below the upper edge.
> Re-fit the lower part of the condensate siphon.
> Check the seal for leak-tightness.
13.5.6 Installing the gas-air mixture unit
a
Danger!
Risk of personal injury and material dam-
age due to hot flue gases.
If you do not replace the seal, hot flue
gases may escape and cause injuries and
material damage.
> Replace the seal each time you open the
burner door.
> If the insulating mat on the burner door
shows signs of damage, then replace it.
> Replace the seal in the burner door.
> Ensure that the bracket for the insulating mat is fitted
properly again after replacement.
> Replace all seals at the sealing point opened during the
maintenance work.
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