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Les langues disponibles
D1943
GAS TRAIN L
Ø
Code
230 kW 350 kW 465 kW
1"
3970151
10,0
1" 1/4
3970152
6,0
1" 1/2
3970153
-
1" 1/2
3970183
-
3970154
2"
-
3970166*
3970184
2"
-
3970185*
* Seal control manifold, mounted.
The manifold pressure loss values indicated in the table are for: natural gas G20. For: • G25 multiply the values by
1.3 • G31 (LPG) multiply the values by 0.41.
D1940
Code
ýp mbar a:
12
18,0
28,0
3010123
11,0
16,0
3010123
7,0
10,5
3010125
5,5
8,5
3010123
-
5,0
3010125
-
5,5
3010123
FIXING TO THE BOILER
In order to divide the combustion head from the
rest of the burner, you have to:
1) remove the connection 1 from the two val-
ves;
2) remove the four screws 2 - 3;
3) slide the burner body A along the rails 4;
4) mount the group B to the boiler plate 6
interposing the gasket 5.
Fit the nozzles and adjust the combustion head
(as specified below). Mount the group A to the
boiler front.
GAS TRAIN ACCORDING TO REGU-
LATION EN 676
1 Gas input pipe
2 Manual valve
3 Vibration damping joint
4 Pressure gauge with pushbutton cock
5 Filter
6 Pressure governor (vertical)
7 Minimum gas pressure switch
8 Safety solenoid valve VS (vertical)
9 Adjustment solenoid valve VR (vertical)
Three adjustments:
- ignition delivery (rapid opening)
- 1st stage delivery VR1 (slow opening)
- 2nd stage delivery VR2 (slow opening)
10 Standard issue burner gasket with flange
11 Burner
12 Gas valve 8 - 9 leak detection control
device.
- In accordance with EN 676 Standards,
gas valve leak detection control devices
are compulsory for burners with maxi-
mum outputs of more than 1200 kW.
Supplied separately from gas train on
request.
13 Gas train-burner adaptor
Supplied separately from gas train on
request.
P1 Pressure at combustion head
P2 Pressure down-line from the pressure
governor
P3 Pressure up-line from the filter
L Gas train suppled separately with the code
indicated in table.
L1 At the responsability of the installer.
Code
Filter
Regulator
13
5
3000824
Multibloc MB ZRDLE 410
3010124
Multibloc MB ZRDLE 412
-
GF 515/1
FRS 515
-
Multibloc MB ZRDLE 415
3000822 GF 520/1
FRS 520
3000822
Multibloc MB ZRDLE 420
17
COMPONENTI
Solenoid valves
6
8 - 9
MVD 515/5+ZRDLE 415/5
MVD 520/5+ZRDLE 420/5
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