Viessmann Vitocrossal 200 Series Service Instructions Manual page 49

Overview of burner components
MatriX cylinder burner 186 to 311 kW
A
B
C
D
E
Fig. 39
Boiler door
A
Display and programming unit
B
Fan
C
Gas supply pipe
D
E Gas train
Venturi mixing pipe
F
Choke valve
G
Burner gauze assembly
H
(cont.)
H K
G
F
Ionisation electrode
K
Ignition electrodes
L
Thermal insulation block
M
N Air pressure switch 131A
Air pressure switch 131
O
Burner control unit
P
Ignition unit
R
Component overview
L M N O
B
P
R
D
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