Stainless Steel Flue Gas Header For Two-Boiler System - Viessmann VITOCROSSAL 200 Type CM2 Technical Manual

Design information

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.
500
D
c
F
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
Dimensions
Nominal di- mm
ameter
a mm
b mm
c mm
d mm
e mm
f mm
f max. mm
Gas condensing boilers
(cont.)
c
D
500
E
C
B
A
f
200 250
200 250
150 200
350 400
279 328
333 368
820 860
1130 1220 1220
250
G H
E Sliding element, 500 mm
F Inspection cover
G Flue pipe with condensate drain
H Flue system
Selection table for the max. draught 70 Pa
300 Rated heating output
(kW)
300 2x87, 2x115, 2x142
200 2x186, 2x246
400 2x311
328
368 Use a flue pipe with the same diameter as that of the flue gas
header.
860
C
B
A
e
Diameter of the effective vertical flue
pipe up to 30 metres (in mm)
7 200
7 250
7 300
VIESMANN
8
45