Viessmann MatriX-Disk burner Service Instructions For Contractors page 44

Component overview
Overview of burner components
A
B
C
D
E
F
G
H
Fig. 25
Display and programming unit
A
Burner control unit
B
C Burner door
Gas train
D
Gas pressure switch 1
E
Gas pressure switch 2
F
G Gas supply pipe
Air filter
H
Fan
K
Supply air collector
L
44
M
N
K
O
L
P
Thermal insulation block
M
Ignition electrodes
N
Burner gauze assembly, MatriX-Disk
O
Ionisation electrode
P
Ignition unit
R
S Air pressure switch LDW2
Air pressure switch LDW1
T
2/2-way solenoid valve
U
Fitting
V
R S T
U
V