Fuel Conversion/Gas Connections
Installation Guidelines for Air-Cooled Generators 25
Figure 5-7. Typical LP Vapor Installation
NOTE: When sizing a secondary regulator for LP or high pressure natural gas applications be sure to note the
maximum individual load capabilities which will be lower than total capacity. This could impact generator start-
ing performance if sized too small.
NOTE: Do not reduce the fuel pipe size exiting the secondary regulator unless necessary to accommodate the
1/2 inch flexible fuel line shipped with the generator. This may potentially cause starting or performance
issues.
NOTE: Even if the generator is running smoothly, a drop in gas pressure indicates that the supply is barely
adequate to supply the generator’s needs. Changes in the generator load, or additional gas demand by other
appliances may affect the generator’s performance. Verify gas pressure and pipe sizing. Unhook the manome-
ter and reinstall the port plug.
Manual
Shut Off Valve
Sediment Trap
With Pressure Port
BTU and
Fuel Tank
Check Distance with LP Provider
Pressure Decal
Check Distance with
Regulator Manufacturer
Size Fuel Tank Large Enough to Provide
Required BTUs for Generator and ALL
Connected Appliance Loads. Be Sure to
Correct for Weather Evaporation.
Flexible
Fuel Line
Manual
Shut Off Valve
LP BTU = Cubic Feet/Hour X 2500
Megajoules = Cubic Meters/Hour X 93.15
Secondary
Fuel Pressure
Regulator
Primary Fuel Pressure Regulator
Per LP Provider
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