Gas Feeding; 4.12.1 Gas Feeding Line (Example) - For Functional Details Refer To The Gas Train Manual; 4.12.2 Gas Train; 4.12.3 Gas Train Installation - Riello RS 68/EV O2 ULX Installation, Use And Maintenance Instructions

4.12

Gas feeding

Explosion danger due to fuel leaks in the pres-
ence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed be-
fore performing any operation on the burner.

4.12.1 Gas feeding line (Example) - For functional details refer to the gas train manual

Key (Fig. 24)
1 Manually operated shut-off valve
2 Pressure gauge
3 Filter
4 Governor
5a Low pressure protection device
5b Max gas pressure switch
6 1st safety shut-off valve
7 2nd safety shut-off valve
8 Ignition device
15 Valve proving system
L Gas train - supplied loose
L1 Installer responsability
L2 Burner
M1 Pressure outlet
M2 Pressure outlet
M3 Pressure outlet
20205796
Installation
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING

4.12.2 Gas train

Manufactured according to standard EN 676 and provided sepa-
rately from the burner.

4.12.3 Gas train installation

Disconnect the electrical power using the main
switch.
DANGER
Check that there are no gas leaks.
Pay attention when handling the train: danger of
crushing of limbs.
Make sure that the gas train is properly installed
by checking for any fuel leaks.
The operator must use the required equipment
during installation.
26 GB
S10196
Fig. 24