Stainless steel flue gas header for two-boiler system
For two-boiler systems up to 622 kW with the Vitocrossal 200, type CM2, 87 to 311 kW
Connection to the flue system, optional outlet on the l.h. or r.h. side.
F
E
D
D
G
C
B
A
C
B
A
Ø a
250
c
500
500
c
250
180
250
≤ 1250
f
Ø b
d
e
H
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
F
Inspection cover
G
Flue pipe with condensate drain
H
Flue system
Dimensions
Nominal di-
ameter
mm
200
250
300
a
mm
200
250
300
b
mm
150
200
200
c
mm
350
400
400
d
mm
279
328
328
e
mm
333
368
368
f
mm
820
860
860
f max.
mm
1130
1220
1220
Selection table for the max. draught 70 Pa
Rated heating output
(kW)
Diameter of the effective vertical flue
pipe up to 30 metres (in mm)
2x87, 2x115, 2x142
7
200
2x186, 2x246
7
250
2x311
7
300
Use a flue pipe with the same diameter as that of the flue gas
header.
Design information
(cont.)
Gas condensing boilers
VIESMANN
45
5822 449 GB
8