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Start up
- Adjusting burner output
Gas pressure diagrams in appendix
Minimum gas pressure required are
indicated in the diagrams in the appendix.
These values have been determined in
our test labs and are useful for the first
switch-on as final setting must be done
using a combustion analyzer.
How to read and adjust the values:
- determine the output required
- determine the combustion chamber back-
pressure
- read the minimum gas pressure required
in the diagrams in appendix.
Optimising combustion values
The factory setting shall be modified
according to the output requeired.
The diagrams of air/head setting
that are available in the appendix
of this manual are a guide for ensuring
that the burner functions as well as
possible.
!
Risk of air blast!
Continuously check CO, CO2 and soot emissions when adjusting the output of the burner. Optimise combustion values in the
event of CO formation. CO must not exceed 50 ppm.
N.B. observe the minimum required
flue gas temperature specified by the
boiler manufacturer and the requirements
demanded of ue gas ducts for avoiding
condensation.
Adjustment of gas solenoid valve
Refer to the gas train manual for the gas
setting of the gas train selected.
Firing head setting (B).
To act on the screw in fi gure:
• turn Allen key till you reach the
requested value (index 0-4,5).
pressure in the combustion chamber (mbar)
output (kW)
+
-
B
-1,5
-1,0
-0,5
0,0
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
4,5
5,0
5,5
6,0
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220
9,5
9
8,5
8
0
1
2
3
90°
90°
90°
90°
MAX GAS 170 PAB NATURAL GAS
head gas pressure (on elbow) (mbar)
head position
air damper position
