Fitting The Burner - Viessmann Vitocrossal 200 Service Instructions For Contractors

Cleaning the burner
2. Remove Venturi mixing pipe
3. Remove Venturi mixing pipe
and gas supply pipe
D
Note
For larger burners (246 to 311 kW), a rotary
damper with drive is also fitted at position
4. Pull connecting cables "100" and "100A" from fan
A . Remove fan A .
Note
Ensure that the gasket between the fan housing
and the boiler door is correctly seated.

Fitting the burner

87 kW
E
D
C
Fig. 27
115 to 311 kW
B
D
C
Fig. 28
(cont.)
E from fan A .
with gas train
E B
.
.
E
A
B
A
E
Commissioning, inspection, maintenance
5. Clean the fan housing and impeller with com-
pressed air.
6. If required, vacuum the inside of burner gauze
assembly .
F
1. Mount fan .
A
Note
Ensure the gasket between the fan housing and
the boiler door is correctly seated.
2. Plug connecting cables "100" and "100A" into the
fan.
3. Secure Venturi mixing pipe
and gas supply pipe D
Note
For larger burners (246 to 311 kW), a rotary
damper with drive is also fitted at position
4. Tighten fitting on gas supply pipe
C
Danger
Escaping gas leads to a risk of explosion.
Check the fitting and gasket between the fan
housing and the boiler door for gas tight-
ness.
5. Close the boiler door. Tighten screws diagonally
with 18 Nm. Check the boiler door for tightness.
with gas train
E B
to fan A .
.
E
.
D
25