Viessmann VITOCROSSAL 200 Type CM2 Technical Manual page 46

Design information
For two-boiler systems up to 1240 kW with the Vitocrossal 200, type CM2, 400 to 620 kW
Connection to the flue system, optional outlet on the l.h. or r.h. side.
8
G D
Example: outlet on the r.h. side
A Boiler flue connection with test ports and inspection port
B Motorised flue gas damper
C Sliding element, 250 mm
D Tee connector
E Sliding element, 500 mm
Dimensions
Nominal diameter
a
b
b max.
c
VIESMANN
46
(cont.)
D
3°
E
F
C
B
A
b
mm 300 350
7 mm 300 350
mm 1550
mm 1680
mm 703
K
H
F Straight length, 500 mm
G Inspection cover
H Flue pipe with condensate drain
K Flue system
Selection table for the max. draught 70 Pa
400 Rated heating output
(kW)
400
2x400
2x500
2x620
Use a flue pipe with the same diameter as that of the flue gas
header.
C
B
A
c
Diameter of the effective vertical flue pipe
up to 30 metres (in mm)
7 300
7 350
7 400
Gas condensing boilers