Gas Line - Riello RS 190 Installation, Use And Maintenance Instructions

(A)
MB
20057264
MBC
20062223
DMV
20062227
CB
20062228
(B)

GAS 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).
• Gas solenoids 8)-9)(B) 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 (colour of the spring) comprises the
pressure required by the burner.
GAS TRAIN (B)
D722
Type-approved in accordance with EN 676 and
supplied separately from the burner.
To select the correct model of the gas train, refer
to the "burner-gas train combination" manual
supplied.
KEY (B)
1 Gas input pipe
2 Manual valve
3 Vibration damping joint
4 Pressure gauge with pushbutton cock
5 Filter
6A Includes:
– Filter
– working valve
– safety valve
– pressure adjuster
6C Includes
– safety valve
– working valve
6D Includes:
– safety valve
– working valve
7 Minimum gas pressure switch
8 Leak detection device, supplied as an ac-
cessory or incorporated, based on the gas
train code. In compliance with the EN 676
standard, the leak detection control is com-
pulsory for burners with maximum outputs
over 1200 kW.
9 Gasket, for "flanged" versions only
10 Pressure adjuster
11 Train-burner adaptor, supplied separately
P2 Upstream pressure of valves/adjuster
P3 Upstream pressure of the filter
L Gas train supplied separately
L1 The responsibility of the installer
Note
See the accompanying instructions for the
adjustment of the gas train.
8