Viessmann Vitocrossal 200 Series Service Instructions Manual page 48

Component overview
Overview of burner components
MatriX radiant burner 75 and 87 kW
A
B
C
D
Fig. 37
Boiler door
A
B Display and programming unit
Fan
C
Gas supply pipe
D
Gas pressure switch
E
Gas train
F
Venturi mixing pipe
G
Choke valve
H
MatriX radiant burner 115 and 142 kW
A
B
C
D
E
Fig. 38
Boiler door
A
Display and programming unit
B
C Fan
Gas supply pipe
D
Gas train
E
Venturi mixing pipe
F
G Choke valve
Burner gauze assembly
H
48
K L M
H
G
F
E
Burner gauze assembly
K
Ionisation electrode
L
Ignition electrodes
M
Thermal insulation block
N
O Air pressure switch 131A
Air pressure switch 131
P
Burner control unit
R
Ignition unit
S
H K L
G
F
Ionisation electrode
K
Ignition electrodes
L
Thermal insulation block
M
Air pressure switch 131A
N
Air pressure switch 131
O
P Burner control unit
Ignition unit
R
N O P
M N O
B
R
S
D
B
P
R
D