Ecoflam BLU 700.1 P AB Mode D'emploi page 15

The adjustment of the position of the firing head is made to obtain
the best combustion performance. When used at the minimum
power output the firing head is move back, whilst is forwarded at
the maximum output. Execution : -loosen the locking screw of
adjusting device A; - move the adjusting device until the desired
position is reached; - tighten the locking screw.
REMOVING THE NOSEPIECE
SEZIONE B- B
ADJUSTMENT OF GAS MINIMUM PRESSURE SWITCH
Unscrew off and remove cover M. - Set regulator N to a value equal to 60% of gas
nominal feed pressure (i.e. for nat. gas nom. pressure = 20 mbar, set regulator to a value
of 12 mbar.Screw up cover M
DJUSTMENT OF THE AIR PRESSURE SWITCH
Unscrew screws A and B and remove cover C.- Set the pressure switch to the minimum
by turning regulator D to position 1.
- Start the burner and keep in low flame running, while checking that combustion is
correct. Through a small cardboard, progressively obstruct the air intake until to obtain
a CO2 increase of 0,5÷0,8% or else, if a pressure gauge is available, connected to pres-
sure port E, until reaching a pressure drop of 1 mbar (10 mm of W.G.). - Slowly increa-
se the adjustment value of the air pressure switch until to have the burner lockout.
Remove the obstruction from the air intake, screw on the cover C and start the burner
by pressing the control box rearm button.
SETTING THE FIRING HEAD
POSITION OF ELECTRODES
Ignition electrode
A
B
A
pag.15
420010343802 Blu 700.1 ÷ 1200.1 P AB V.C. Low Nox
Ionization probe
B
I
A
A
A A
SE ZION E -
N
M
L
D
C
H
G
E
B
F
EN