Ecoflam MAX GAS 350 PR Serie Manual De Uso página 21

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.
• Adjust the combustion with air pressure
switch (APS) set at minimum.
• Start to obstruct the air inlet with a paper
paying attention to O2 and CO values red
on the analyzer.
• Progressively increase air inlet
obstruction till the CO valve is slightly
more than 1000 ppm. Stop obstruction in
this position.
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
420010594100
• Increase APS setting up to burner lock
out.
• Now the APS is set to avoid CO
production during the combustion.
• Remove air obstruction and fit again APS
cover C.
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.
Saving the adjustment values in the display.
If the burner setting procedure has been successfully completed, the servomotor
positions for all the operating states will be fixed in the control unit. It is possible to store
a backup copy of the values in the display.
To do this, press the button
select the menu "Save adjustment values" and confirm with the button
The screen opposite appears. Place the cursor on the symbol
to begin loading the adjustment values from the control unit to the display.
A this point, it is possible to:
- store the values in the display; to do this place the cursor on the symbol
with button .
- quit the menu without storing the data, with the symbol
C
A
B
M
I
L
, the screen opposite is displayed. Using the button
www.ecoflam­burners.com
D
N
.
, press the button
and confirm
.
21
EN