Ecoflam BLU 1700.1 PR Serie Manual De Uso página 13

Start up
- Air pressure switch adjustment - Setting gas pressostat
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.
• 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.
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.
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A
B
M
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