Viessmann VITOMAX 200-HS M73A Installation Instructions Manual page 20

Adjusting the burner
Boiler size
*3
Steam output
(for 102 °C feedwater temperature)
Max. permissible combustion heating
output
■ Natural gas
Max. flue gas pressure drop without ECO
Max. flue gas pressure drop with ECO 100
Max. flue gas pressure drop with ECO 200
■ Fuel oil EL
Max. flue gas pressure drop without ECO
Max. flue gas pressure drop with ECO 100
Max. flue gas pressure drop with ECO 200
Combustion chamber dimensions
Length
Flame tube
Reversing chamber
Diameter
Internal smooth tube min.
Internal smooth tube max.
Corrugated pipe, average
Corrugated pipe, internal
Burner connection dimensions
Min. flame head length
Max. flame head diameter
Combustion chamber volume (average)
Flame tube
Flame tube and reversing chamber depth
Note
Details regarding diameter refer to the maximum depth of corrugations and the
smallest internal diameter. The type of flame tube depends on the pressure stages
employed. Product-specific tolerances are possible.
The permissible steam output varies depending on the required emission values.
*3
20
(cont.)
t/h
MW
mbar
mbar
mbar
mbar
mbar
mbar
Dimen- mm
sion a
Dimen- mm
sion b
Dimen- mm
sion c
Dimen- mm
sion c
Dimen- mm
sion d
Dimen- mm
sion e
mm
Dimen- mm
sion f
m
m
6
2.0 2.5
1.510 1.890 2.415
10.5 10.9
11.5 12.4
12.0 13.4
9.4 9.8
10.4 11.3
10.9 12.3
2325 2535
250 250
653 696
675 720
— —
— —
315 315
320 370
3 0.81 1.00
3 0.89 1.10
7 8 9
3.2 4.0
3.020
10.9 12.5
12.4 14.0
13.4 15.5
9.9 11.1
11.4 12.6
12.4 14.1
2850 3185
250 250
746 791
768 813
790 835
740 785
315 315
420 420
1.28 1.61
1.40 1.74