Start up
Gas side
Adjusting the intermediate burner capacity
Gas adjustment is accomplished through LAMTEC parameters setting. Refer to LAMTEC manual attacched.
WARNING
: the variable profile of the cam shall have a normal proportional curvature in order to have good combustion values and
reduce its mechanical stress breakdown.
Air pressure switch calibration
The air pressure switch is provided for
monitoring the pressure of the combustion
air fan. Unscrew screws A and B and
remove cover C. After the air and gas
setting you have to calibrate the air switch
with the burner working on the low flame
by slowly turning the relative knob
clockwise until the burner locks out. Read
the value and then decrease it by 15%.
WARNING:
the air pressure switch shall
prevent the air pressure to go below 85%
from the adjustment value in order to
prevent the CO in the fumes to exceed 1%
(10000 ppm).
Min gas pressure switch
The gas pressure switch has the function
to check that the gas pressure before the
gas valve does have the minimum
pressure to make the burner running
correctly.
Unscrew off and remove cover M.
- Set knob N to a value equal to 60% of
gas nominal feed pressure (i.e. for natural
gas nom. pressure = 20 mbar, set knob to
a value of 12 mbar; for LPG nom. pressure
of G30/G31- 30/37 mbar, set knob to a
value of 18 mbar). Screw up cover M.
0,4
0,6
0,9
3,0
1,5
2,1
1,8
2,4
2,7
1,2
A
B
C
D
2,5
5
10
15
50
2
5
35
30
40
45
20
I
L
M
N
N.B.
observe the minimum required
flue gas temperature specified by the
boiler manufacturer and the requirements
demanded of flue 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.
420010915000
EN
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