TP-6514 9/09 27Section 1 Installation
Procedure to Convert from NG to LP, 17/18 kW
1. Place the generator set master switch in the OFF
position.
2. Disconnect the power to the battery charger.
3. Disconnect the generator set engine starting
battery, negative (--) lead first.
4. Turn off the fuel supply.
5. Remove the hose clamp and fuel hose from the
hose fitting. See Figure 1-25.
6. Insert the orifice into the hose fitting. See
Figure 1-26.
7. Slide the hose onto the hose fitting and secure it
with the clamp.
8. Disconnect digital spark-advance module (DSAI)
leads 65 and N5 for LP. (Connect the leads for
natural gas.) See Figure 1-27 and Figure 1-28.
9. Connect and turn on the new fuel supply.
10. Check that the generator set master switch is in the
OFF position.
11. Reconnect the generator set engine starting
battery leads, negative (--) lead last.
12. Reconnect power to the battery charger.
13. Start the generator set by moving the generator set
master switch to the RUN position.
14. Check for leaks using a gas leak detector.
15. Run the generator set and check the operation.
Use the controller to adjust the output and stability if
necessary. See Section 1.14 for instructions.
16. Move the generator set master switch to the OFF/
RESET position to shut down the generator set.
To convert from LP vapor to natural gas, remove the fuel
orifice and connect the DSAI leads together.
1. LP orifice (remove for natural gas)
2. Hose fitting
3. Regulator
1
2
3
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Figure 1-26 LP Fuel Orifice, 17/18 kW
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1. DSAI leads 65 and N5:
connect for natural gas, disconnect for LP.
1
Figure 1-27 Digital Spark Advance Ignition (DSAI)
Leads 65 and N5, 17/18 kW
Fuel DSAI Leads 65 and N5
Natural Gas Connect
LP Disconnect
Figure 1-28 DSAI Connections
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