Gas Feeding Line - Riello RS 25/M BLU FS2 Instrucciones De Instalación, Montaje Y Funcionamiento

(A)
6
4
1 2
3
L1
(B)
BURNERS AND RELATIVE GAS TRAINS APPROVED ACCORDING TO REGULATION
EN 676
GAS TRAINS L
Code Model
3970500** MB 405/1 - RSD 20
3970553 MB 407/1 - RT 20
3970229* MB 407/1 - RSM 20
3970554 MB 410/1 - RT 20
3970230* MB 410/1 - RSM 20
3970144 MB 412/1 - RT 20
3970231* MB 412/1 - RSM 20
3970180 MB 415/1 - RT 30
3970232* MB 415/1 - RSM 30
3970181 MB 420/1 - RT 30
3970233* MB 420/1 - RSM 30
3970182 MB 420/1 CT RT 30
3970234* MB 420/1 CT RSM 30
*
Trains complete with 6-pin plug for connection to burner.
**
Replace the 6-pin plug with the one supplied with the burner, in accordance with
the wiring diagram.
(C)
9
7
P1
P2
5
L
BURNER
Ø C.T.
3/4" - •
3/4" - •
1" - •
1"1/4 - •
1"1/2 - •
-
-
2" •


D3839
10
8
11
D3791
7 11
Code Code
- 3010123 3000824
• 3010123 3000824
• 3010123 3000824
• 3010123 -
• 3010123 -
3010123
3010123
• 3000822
-
-
9

GAS FEEDING LINE

• The gas train must be connected to the gas
attachment 1)(A), using the flange 2), gasket
3) and screws 4) supplied with the burner.
• The gas train can enter the burner from the
right or left side, depending on which is the
most convenient, see fig. (A).
• The gas solenoids must be as close as possi-
ble to the burner, to ensure that the gas
reaches the combustion head within the safety
time of 3s.
GAS TRAIN (B)
Approved, together with the burner, according to
the regulation EN 676, and supplied separately
from the burner, with the code indicated in the
table (C).
KEY (B)
1 - Gas input pipe
2 - Manual valve
3 - Vibration damping joint
4 - Pressure gauge with pushbutton cock
5 - Multibloc, including:
- filter (replaceable)
- working valve
- pressure adjuster
6 - Minimum gas pressure switch
7 - Valve seal checking device.
In accordance with the standard EN 676,
gas valve leak detection control devices
are compulsory for burners with maximum
outputs of more than 1200 kW.
8 - Gasket
9 - Gas adjustment butterfly valve
10 - Max gas pressure switch (accessory)
11 - Gas train/burner adaptor
P1 - Pressure at combustion head
P2 - Up-line pressure of valves/adjuster
L - Gas train supplied separately with the code
indicated in table (C)
L1 - The responsibility of the installer
KEY TO TABLE (C)
C.T.= Checking device for gas valves seal:
- = Gas train without gas valve leak
detection control device; device that
can be ordered
assembled subsequently (see Col-
umn 7).
= Train with seal checking device
already assembled.
7 = Valve seal checking device VPS.
Supplied separately from gas train on
request.
11 = Gas train/burner adaptor.
Supplied separately from gas train on
request.
Note
See the accompanying instructions for the
adjustment of the gas train.
separately and