Gas Feeding Line - Riello RS 34 MZ Installation, Use And Maintenance Instructions

(A)
4
1 2
3
L 1
(B)
BURNERS AND RELATIVE GAS TRAINS APPROVED ACCORDING TO REGULATION
EN 676
GAS TRAINS L
Code Model
3970599
MB DLE 407 B01 S52
3970553
MB DLE 407 B01 S20
*
3970229
3970554
MB DLE 410 B01 S20
*
3970230
3970144
MB DLE 412 B01 S20 1"1/4
*
3970231
3970180
MB DLE 415 B01 S20 1"1/2
*
3970232
3970181
*
3970233
MB DLE 420 B01 S20
3970182
*
3970234
* Trains complete with 6-pin plug for connection to burner.
(C)
9
6
7
P2
5
L
BURNER
RS 34 RS 44
Ø C.T.
MZ
3/4" - -
•
3/4" -
•
1" -
•
-
•
-
-
-
•
2"


D3839
P1
1 0
8
1 1
D3791
7 11
Code Code
MZ
•
- 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 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 TO LAYOUT(B)
1 - Gas input pipe
2 - Manual valve
3 - Vibration damping joint
4 - Pressure gauge with pushbutton cock
5 - Multibloc, including:
- filter (replaceable)
- operation valve
- pressure adjuster
6 - Minimum gas pressure switch
7 - Valve seal checking device.
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.
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).
= Gas train with assembled VPS valve
leak detection control device.
7 = VPS valve leak detection control device.
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