Settings for marathon
®
burner with pneumatic linkage
dreizler A 3001 E - 18.12.2015 | A 2003 - 1.10 | EN - 11.11.2010
27
Example: manual damper for burner model series 1501 to 5001
Fig. 9-4 Suction-side air presetting for the manual damper
1
Air box
2
Fan housing
3
Air pre-adjustment damper (swivel range 0 - 90°)
4
Lever
5
Double arrester for the axis
6
Axis
9.4
Setting burner load
Increase air flow rate via the manual damper.
Burner load increases.
Set the gas flow rate. Calculate by way of the following formula:
For the calculation of the reduction factor please see chapter 'Calculation basis'.
NOTICE:
More air = more gas = higher burner capacity
Less air = less gas = less burner capacity
Q
N
:
Nominal heating capacity of the boiler in kW
H
i
Heating value of the combustion gas kWh/m
3
V
B
:
Fuel volume flow rate in m
3
/h, (standard flow rate to be set)
n
K
:
Boiler efficiency (eta = n)