Fuel Conversion/Gas Connections
Check gas pressure at the generator fuel pressure regulator as follows:
8.
– Close gas supply valve.
– Remove top test port from fuel pressure regulator.
– Install gas pressure tester (manometer). See Figure 5-5.
– Open gas supply valve.
– Verify that fuel pressure is within specification.
– Close gas supply valve.
NG BTU = Cubic Feet/Hour X 1000
Megajoules = Cubic Meters/Hour X 37.26
24
Figure 5-5. Check Pressure with Manometer
Check Distance with Gas Provider
BTU and Pressure Decal
Manual
Shut Off Valve
With Pressure Port
Flexible Fuel Line
Sediment Trap
Figure 5-6. Typical Natural Gas Installation
Top Gas Pressure Test Port
Fuel Pressure Regulator
Gas Pressure Manometer
Fuel Pressure
3.5-7" Water Column
For Underground Installations,
Verify Piping System
for Code Compliance
Installation Guidelines for Air-Cooled Generators
Size Gas Meter for
Generator Load Plus All
Appliance Loads
0000001
Gas Main
2-5 PSI