Combustion Chamber - Ecoflam MAX GAS 350 P Manual De Instrucciones

4,0
3,0
2,0
1,0
0,6
d=0,4
0,5
0,4
d=0,3
0,3
d=0,225
0,2
0,1
12 24 40 70 100
(a) d = diamètre chambre de combustion
kW
Adjusting the gas flow rate at the ignition for burners MAX GAS 350-500
The thermal power at the ignition, for such a burners, must be smaller than 120 kW or else than the ratio between the
rated thermal power and control box's safety time (ignition time is assumed equal to safety time, i.e. 3 seconds). The
adjustment of thermal power at the ignition is made by the manufacturer, anyhow, should it be necessary to intervene
on such an adjustment, proceed as follows: - check that the thermal power of the burner at full running is the correct
one. - With the burner switched off, disconnect the flame detection cable from relevant electrode, so as to make the
valve to automatically shut off at the ignition, after the safety time. - Make a reading on the gas meter. - Start the burner
and wait for the burner's lock out, after the repetition of the ignition sequence. - Make a second reading on the meter,
and note the number of delivered litres. - The delivered thermal power, at the ignition, will then be equal to the ratio,
between the delivered litres and the safety time, multiplied by the f factor (as function of the type of gas used you see
table). If the value thus obtained is higher than 120 kW it shall be necessary to reduce the gas valve's initial flow rate. At
the end, reconnect the flame detection cable to its relevant electrode.
NOTE: should it be difficult to measure the quantity of delivered litres of gas, due to the particular meter's dial, it is
possible to repeat, sequentially, the above steps many times, so as to reach a significant amount of gas volume. In such a
case, the thermal power at the ignition shall be obtained by multiplying the ratio, between the amount of delivered litres
and the number of cumulated safety times (i.e. the value of the safety time multiplied by the number of ignitions) by
the f factor.
CALCULATION OF WORKING OUTPUT OF THE BURNER
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 burner's output through the following formula:

COMBUSTION CHAMBER

d=0,8
d=0,7
d=0,6
d=0,5
190 480 1200 2450
STARTING-UP THE BURNER
420010563501 Max Gas 350 - 500 P/P AB
The burners have been certified in combustion
chambers according to EN 676 standards.
Consult the burner manufacturer if the combu-
stion chamber of the boiler in which the burner
is to be installed has smaller dimensions.
Installation must be carried out in com-
pliance with the local provisions
e x f = kW
s
17
e =
Litres of gas
s =
Time in seconds
G20 = 34,02 MJ/St m 3
G25 = 29,25 MJ/St m 3
f
G31 = 88 MJ/St m
3
EN