10
GAS LINE
•
The gas train can enter the burner from the
right or left side, depending on which is the
most convenient.
•
The gas solenoids 8)-9) must be as close as
possible to the burner to ensure gas reaches
the combustion head within the safety time
range of 3 s.
•
Make sure that the pressure governor calibra-
tion range (spring colour) comprises the pres-
sure required by the burner.
GAS TRAIN
It is type-approved according to EN 676 Stand-
ards and is supplied separately from the burner
with the code indicated in Table (A).
KEY TO LAYOUT
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
VS
(vertical)
9 - Adjustment solenoid
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 de-
vice.
In accordance with EN 676 Standards, gas
valve leak detection control devices are
compulsory for burners with maximum out-
puts of more than 1200 kW.
13 - Gas train/burner adaptor.
P1 - Pressure at combustion head
P2 - Pressure down-line from the filter
P3 - Pressure up-line from the filter
L - Gas train supplied separately with the code
indicated in Table (A)
L1 - The responsibility of the installer
TABLE :
A
= GAS BURNERS AND RELEVANT GAS
TRAINS APPROVED ACCORDING TO EN
676
B
= GAS TRAIN COMPONENTS
C
= GAS TRAIN PRESSURE LOSS L
at maximum burner output
KEY TO TABLE (A)
C.T. = Gas valves 8) - 9) leak detection control
devices:
12
= VPS valve leak detection control device.
Supplied separately from gas train on re-
quest.
13
= Gas train/burner adaptor.
Supplied separately from gas train on re-
quest.
Note
See the accompanying instructions for the ad-
justment of the gas train.
* For seal control kit the code is 3809900
A
Gasarmaturen
Gas train - Rampe gaz
GAS
Ø
C.T.
Cod.
9/2
2”
3870154
•
DN 65
3809901
•
DN 80
3809902
•
B
Ø
BESTANDTEILE - COMPONENTS - COMPOSANTS
5
6
8 - 9
2”
GF 520/1
FRS 520
MVD 520/5+ZRDLE 420/5
DN 65
GF 40065/3
FRS 5065
MVD 5065/5+ZRDLE 420/5
DN 80
GF 40080/3
FRS 5080
MVD 5080/5+MVD5065/5+MVDLE 415/5
C mbar
Ø
GAS 9/2
G20
G25
2”
145
DN 65
85
DN 80
40
D969
Summary of Contents for GAS 9/2
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