Checking The Burner - Vaillant ecoTEC plus 806 VU GB 806/5-5 Installation And Maintenance Instructions Manual

9 Inspection and maintenance
9.7

Checking the burner

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1. Check the surface of the burner for damage. If you no-
tice any damage, replace the burner and seal, see "Re-
placing the burner (→ Page 33)").
2. Check the insulating mat (2) on the burner door. If you
notice any signs of damage, replace the insulating mat,
see "Replacing the burner (→ Page 33)".
9.8 Replacing the ignition and ionisation
electrodes
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Caution.
Risk of material damage caused by dam-
age to the ignition and ionisation elec-
trodes.
The electrodes may become damaged during
installation.
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Install the new electrodes only after first
installing the gas-air mixture unit.
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1. Remove the electrodes (1) from the burner door from
above.
2. Insert the new electrodes with new seals.
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Torque: 2.8 Nm
9.9 Cleaning the condensate trap
1. Remove the lower section of the condensate trap(2) by
unscrewing it from the condensate trap (1).
2. Flush out the lower section of the condensate trap with
water.
3. Fill the lower section of the condensate trap with water
up to about 10 mm below the upper edge.
4. Secure the lower section of the condensate trap to the
condensate trap again.
9.10 Installing the gas-air mixture unit
1. Replace the seal in the burner door.
2. Ensure that the bracket for the insulating mat is
installed properly again after it is replaced.
3. Replace all seals at the sealing points opened during
the maintenance work.
Installation and maintenance instructions ecoTEC plus 0020134823_04
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