Viessmann Vitocrossal 200 Service Instructions For Contractors page 27

Fitting the burner
Venturi mixing pipe
G
Enriching nozzle in hose
H
115/142 kW 1 mm
7
186 kW 1.6 mm
7
Hose dimensions
mm
7
a
b
c
d
Pressure-jet gas burners 246 to 311 kW
A
-
B
-
+
C
Fig. 25
Air pressure switch 2
A
Air pressure switch 1
B
Gas train
C
Hose dimensions
mm
7
a
b
c
(cont.)
Length in mm
4 190
6 180
6 360
4 420
a
b
c
e
Length in mm
4 190
4 420
4 420
Commissioning, inspection, maintenance
Hose dimensions
mm
7
e
f
g
h
D
E
Boiler door
D
Venturi mixing pipe
E
Hose dimensions
mm
7
d
e
Length in mm
4 420
6 145
6
6 120
d
Length in mm
6 145
2.5 200
50
27