Replacing Electrodes - Vaillant ecoCRAFT exclusive VKK GB 1206/3-E R1 Installation And Maintenance Instructions Manual

1. Install all of the components in reverse order to how
they were removed (→ Page 24).
2. When inserting the burner, ensure that the burner is
positioned on the rear guide grooves (1) in the heat
exchanger and that the front plate (2) is flush with the
heat exchanger.
3. Tighten the bolts on the elbow evenly to 12 Nm.
4. Open the gas isolator cock and check that it is gas-tight
up to the gas valve.
5. Switch on the floor-standing gas-fired high-efficiency
boiler.
6. Use a detector to check that the gas-air mixture cannot
leak out after the gas valve and along all of the burner
seals.
7. If required, tighten the bolts to 12 Nm.
0020149561_01 ecoCRAFT exclusive Installation and maintenance instructions
Inspection and maintenance 9
9.9

Replacing electrodes

1
6
2
5
4
1. Carefully remove the earth line (1) from the counter
electrode and the ignition line from the ignition electrode
(7).
2. Remove both fixing nuts (2) from the ignition electrode
and remove the ignition electrode.
3. Replace the seal (6) and install the new ignition elec-
trode.
4. Carefully remove the ignition line from the monitoring
electrode (3).
5. Remove both fixing nuts (4) from the monitoring elec-
trode and remove the monitoring electrode.
6. Replace the seal (5) and install the new monitoring
electrode.
7. Tighten the fixing nuts (2) and (4) to 2 Nm and connect
the connection cables.
9.10 Cleaning the condensate collector
1
1. Remove the nuts from the cover on the inspection
opening (1).
2. Remove the cover from the inspection opening.
3. Check the condensate collector for dirt and clean it us-
ing a scraper if necessary.
4. Check the seal on the inspection opening for damage.
Replace any damaged seals.
7
3
1
2
25