Ecoflam BLU 500.1 PR Mode D'emploi page 11

city levels (30%-100%). At the end of the operation, the servomotor stops in the closed position.
IMPORTANT ADVICE
All adjustable parts must be fixed by the installer after making adjustments. Check flue combustion after each adjust-
ment. The CO values must be approx. 9.7 (G20) 9.6 (G25 11.7 (l3B) 11.7 (l3P) and the CO must be less than 75
2
ppm.
30 1,3
25 1,25
20 1,2
15
1,15
10
1,1
10
WARNING: in order to adjust combustion and thermal capacity correctly, the fumes must be analyzed using specific instru-
ments. Combustion and thermal capacity must be adjusted simultaneously, making sure that the values read are correct and
in any case, that they comply with the safety regulations in force.
THIS OPERATION MUST BE PERFORMED BY PERSONNEL WHO ARE PROFESSIONALLY QUALIFIED
AND AUTHORIZED BY ECOFLAM BRUCIATORI S.p.A..
The Landis control box starts the fan and begins the pre-purging of the combustion chamber. The air pressure switch
controls the correct operation. At the end of the pre-purging phase, the ignition transformer cuts-in followed by the
opening of the gas valves. In case of missed ignition or accidental shutdown, the ionisation probe cuts-in and set the
burner in lockout mode within the safety time.
Gas pressure swi ch
Mo or
Air pressure swi ch
Transformer
Gas valve
High flame ON/OFF
Flame de ec ion
Lock ou lamp
ADJUSTING THE COMBUSTION
1,2
20 30 40 50 60 80 100
70 90
TH RMAL POW R (kW)
CONTROL BOXES LANDIS & STAEFA LGB22
3
2
1
5
6
420010298800 BLU 500.1 ÷ 1200.1 PR
( )
200 300 400 600 800
500 700 900
4
Description
1 pressure swi ch con rol ime-ou
2 ime-ou for air pressure confirma ion
3 prewashing ime
4 safe y ime
5 preigni ion ime
6 ime-ou o enable fuel 2nd valve
11
Nat. gas
CO 9,6 %
2
CO < 50 ppm
1,2
L.P.G.
CO 11,7 %
2
1000 2000
CO < 50 ppm
9"
3"
30"
3"
3"
8"
EN