3.9 Installing burner to gas supply line
Supply line
If necessary, decrease the supply gas pressure with pressure regulating assembly. The
gas supply line after the pressure regulator must be of the same size or one size larger
than the valve train size.
As standard, the gas connection to the burner is from the right side. The valves shown
in the following example may vary from those delivered.
B352U ver. 3
If the gas inlet pressure is not stable, stabilize with pressure regulator.
Install gas lines in accordance with regulations by local public
authorities.
Check that there is a separate filter upstream from gas equipment.
Install the gas valve so that the valve is not subjected to mechanical
stress.
Vent gas piping before first start-up.
Clean and check piping prior to the installation of gas pressure
regulating assembly.
M4263 2206EN
25 (102)
