Ecoflam 3142749 Manual Del Usuario página 13

EN
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
D
locks out. Read the value and then
C
decrease it by 15%.
WARNING: the air pressure switch shall
A
prevent the air pressure to go below 85%
from the adjustment value in order to
prevent the CO in the fumes to exceed 1%
B
(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
N
M
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
I
value of 18 mbar). Screw up cover M.
L
420010372902 www.ecoflam-burners.com 13