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3.4 GAS TRAIN,
(as EN 676)
The gas train is supplied separately, for its adjustment see the enclosed instructions.
GAS TRAIN
CODE
TYPE
20019011
MBC 65 DLE
20019000
MB DLE 405 B01 S20
20018679
MBC 65 DLE
20019001
MB DLE 405 B01 S20
20018999
MB DLE 407 B01 S20
3.5
GAS TRAIN ELECTRICITY SUPPLY
The gas train's power cables can be fed to the right or
left of the burner, as illustrated in figure 6.
Depending on the entry point, the cable clamp with
pressure test point (1) and simple cable clamp (2) may
need swapping over.
Consequently, you must make sure:
the cable clamp (1) is positioned correctly;
the tube is positioned correctly so that there are no
restrictions likely to impede air flowing to the pres-
sure switch.
WARNING
If necessary, cut the tube to the right size.
3.6 GAS FEEDING LINE
1
– Gas supply pipe
2
– Manual cock (charged to the installer)
3
– Gas pressure gauge (charged to the installer)
4
– Filter
5
– Gas pressure switch
6
– Safety valve
7
– Pressure governor
8
– Adjusting valve
M1 – Gas-supply pressure test point
M2 – Pressure coupling test point
CONNECTIONS
MATCHED
BURNER
INLET
Rp 1 / 2
HELIS 2 GI510
Rp 1 / 2
Rp 1 / 2
HELIS 2 GI710
Rp 3 / 4
Rp 3 / 4
1
2
3
M1
D5209
7
GB
OUTLET
Flange 1
Natural gas and LPG
Flange 1
Natural gas and LPG
Natural gas 70kW and LPG
Flange 2
Flange 2
Natural gas and LPG
Flange 2
Natural gas and LPG
1
D7113
2
4
5
6
7
MBC 65 DLE
6
8
7
D7279
USE
Fig. 6
2
1
8
Fig. 7
M2
20017630
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