Checking And Adjusting The Ignition And Ionisation Electrodes; Checking The Back Draught Safety Device - Viessmann Vitodens 200-W B2HE Installation And Service Instructions Manual

Commissioning, inspection, maintenance

Checking and adjusting the ignition and ionisation electrodes

+1
6.5
0
A
Fig. 41
Ignition electrodes
A
Ionisation electrode
B
1. Check the electrodes for wear and contamination.
2. Clean the electrodes with a small brush (not a wire
brush) or sandpaper.

Checking the back draught safety device

Only for multiple connections to a flue system or multi
boiler systems with a flue gas cascade.
B
A
Fig. 42
50
+3
5
0
10
A B
±0.5
3. Check the electrode gaps. If the gaps are not as
specified or the electrodes are damaged, replace
the electrodes and gaskets and adjust them as
required. Tighten the electrode fixing screws to a
torque of 4.5 Nm.
1. Undo 2 screws and remove fan
2. Remove back draught safety device
3. Check the damper and gasket for dirt and damage.
Replace if necessary.
4. Refit back draught safety device
5. Refit fan and secure with 2 screws.
A
Torque: 4.0 Nm
.
A
.
B
.
B