Checking The Ignition Electrodes And Ionisation Electrode; Cleaning The Burner; Fitting The Fan - Viessmann VITOCROSSAL 200 CM2 Service Instructions For Contractors

Commissioning, inspection, maintenance

Checking the ignition electrodes and ionisation electrode

Ignition electrodes
Fig. 25
6
± 1
Fig. 26

Cleaning the burner

A
B
C
Fig. 28
1. Release clamps and disconnect control cables.

Fitting the fan

A
B
Fig. 29
28
Ionisation electrode
Fig. 27
Check the ignition electrodes and ionisation electrode
for the correct gap to the burner gauze assembly and
for possible damage. Replace if necessary. Torque 10
Nm.
2. Undo fitting
3. Undo Venturi mixing pipe
4. Remove Venturi mixing pipe
F
E 5. Disconnect cables
D
6. Carefully clean the fan housing and impeller with
7. If necessary, vacuum the inside and outside of
1. Mount fan
2. Plug connecting cables
D
3. Secure Venturi mixing pipe
C
4. Plug in and check the control cables:
on gas supply pipe
C
and gas supply pipe , and pull off the connecting
B
cables if necessary.
and
a-Ö
Remove the fan.
compressed air.
burner gauze assembly
F
. Torque: 8 Nm
D
Note
Ensure the gasket between the fan housing and
the burner frame is correctly seated.
Replace the gasket if damaged.
a-Ö
fan (torque 6 Nm). Plug in the connecting
D
cables if necessary.
Connection and kink-free routing
Fixing and firm seating of retaining clips
.
B
D from fan E .
with gas train
D A
A from fan .
a-Ö E
.
and a-Ö A into the fan.
with gas train on
C A