Viessmann VITOPLEX 200 Type SX2A Technical Manual page 17

Burner
(cont.)
c
a
A Gas shut-off valve
B Boiler door
Note
The combination valve may be fitted on the r.h. or the l.h. side of the
boiler.
A Combination valve
B Quick-action fastener
C Servomotor
D Air pressure switch
E Fan motor
F Reset button
OIL/GAS BOILERS
g
b d
G Burner control unit
H Ignition transformer
K Mixer assembly
L Ignition electrode
M Sensor plate
N Ionisation electrode
8
VIESMANN
17