Ecoflam MAX GAS 105 P TW ТC - MBC 120 DLE [11/44] Adjusting the air pressure switch

Ecoflam MAX GAS 40 P TW ТC - MBC 65 DLE [11/44] Adjusting the air pressure switch
11
420010266501 Max Gas 40 P - 70 P - 105 P - 120 P
EN
AIR ADJUSTMENT
+
-
0
1
2
SETTING THE FIRING HEAD
To calculate the burner’s working output, in kW, proceed as follows:
- Check at the meter the quantity of supplied litres and the duration, in seconds, of the
reading, then calculate the burners output through the following formula:
CALCULATION OF WORKING OUTPUT OF THE BURNER
e
x f = kW
s
e =
Litres of gas
s = Time in seconds
G20 = 34,02
G25 = 29,25
G30 = 116
G31 = 88
f
ADJUSTING THE AIR PRESSURE SWITCH
The air pressure switch must be adjusted so that an insufficient air flow does not allow
the CO value to exceed 1% in volume. After having adjusted the gas flow and obtained
optimum combustion (CO
2
= 9.5 to 9.8% and a CO value of less than 75 ppm), the air
pressure switch must be adjusted. Remove the cover with the burner operating, cover
the air intake progressively with a piece of cardboard to obtain a value of CO
2
= 10.8
(G20-G25)> 13 (G30-G31) and a CO value of less than 5,000 ppm. Adjust the air
pressure switch until the burner shuts down. Remove the cardboard from the air intake
and start up the burner again.
Replace the cover.
ADJUSTING THE GAS PRESSURE SWITCH
Adjust the pressure switch to 50% of the rated pressure of the gas used.
RARED PRESSURE: G 20 = 20 mbar
G 25 = 25 mbar
G 30 = 29 mbar
G 31 = 37 mbar
0
,4
0
,6
0
,9
3
,
0
1,5
2,1
1
,
8
2
,4
2
,
7
1
,
2
A
B
2,5
5
1
0
1
5
5
0
25
35
3
0
4
0
4
5
2
0
C
D
+
-
With the burner switched off, connect a DC microam-
meter with a 0÷50 or 0÷100 µA dial. When the burner is
running, and is properly adjusted, the value read must be
steady and never be smaller than 1,5 µA(Landis).
FLAME DETECTION SYSTEM CHECK
LANDIS
LME 11 / LME 21
min. 1,5 µA
1

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