Ecoflam BLU 15000.1 PR, Manual

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11
420010258900 BLU 15000.1 - 18000.1 PR
EN
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; for L.P.G. nom.
pressure of G30/G31- 30/37 mbar, set regulator to a value of 18 mbar).Screw up cover M
ADJUSTMENT 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 cor-
rect. 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 pressure port E, until reaching a
pressure drop of 1 mbar (10 mm of W.G.). - Slowly increase 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.
Note: The pressure measured at pressure port E must be within the limits of the pressure
switch working range. If not, loose the locking nut of screw F and gradually turn the
same: clockwise to reduce the pressure; counterclockwise to increase. At the end tighten the
locking nut.
2,5
5
10
15
50
25
35
3
0
40
45
20
0,4
0,6
0,9
3,0
1
,5
2,
1
1
, 8
2,4
2,7
1,2
I
L
M
N
A
B
C
D
E
F
G
H
SETTING THE FIRING HEAD
+
-
+
-
4 mm
7 mm
Elettrodo di a ccen s ione
Elettrodo di rivel a zione
"
"
7 mm
IGNITION END IONIZATION ELECTRODES
Ionization Probe
Ignition Electrode
The ionization current is checked by inserting a
microammeter with an end of scale of 50 µA (d.c.)
in series with the ionization probe. A faulty posi-
tion of the electrode can lead to a reduction in the
ionization current and cause a safety cut-out of the
burner due to a flame detection failure. In this case,
check the position of the electrode, its electric con-
nection and the earthing of the burner. The ioniza-
tion current is normally > 20 µA.
24
min. 6
µ
A
LANDIS LFL1.622
Microamperometro
fondo scala 50 µ A
IONIZATION CURRENT
Microammeter
50 µA end of scale