Dual-Fuel Switchover Instructions; Switchover From Natural Gas To Propane - Aerco BENCHMARK 2500DF User Manual

Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual

4.6 DUAL-FUEL SWITCHOVER INSTRUCTIONS

4.6.1 Switchover from NATURAL GAS to PROPANE

To switch from Natural Gas to Propane Gas operation, proceed as follows:
Switchover from NATURAL GAS to PROPANE
1. Set the ON/OFF switch on the C-More Controller to the OFF position.
2. Close the external Natural Gas supply valves.
3. Open the external Propane Gas supply valves.
4. Refer to Figure 4-6 and locate the Fuel Selector Switch on the unit, behind the front door.
5. Set the Fuel Selector Switch to the PROPANE position. A Low Gas pressure Fault
message will be displayed on the Control Box.
6. Clear the Low Gas Pressure Fault by pressing the CLEAR key.
7. Set the ON/OFF switch on the C-More /control Box to the ON position.
8. Press the MENU key once. Setup Menu will be displayed.
9. Press the ▲ arrow key once. Password will be displayed.
10. Press the CHANGE key. Password will begin to flash.
11. Using the ▲ arrow key, increment the display and stop at 159.
12. Press the ENTER key to store the displayed password.
13. Password 1 will be displayed, indicating that the valid Level 1 password has been stored.
14. Next, access the Configuration Menu by pressing the MENU key once.
15. Using the ▲ and ▼ arrow keys, scroll through the Configuration Menu and stop at Fuel
Type.
16. Press the CHANGE key. Fuel Type will begin to flash.
17. Press the ▲ arrow key. Propane will be displayed.
18. Press the ENTER key to store the Propane Fuel type.
19. Replace the front door panel.
20. This completes the steps necessary to switch from Natural Gas to Propane Gas
operation.
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05/21/2014
CHAPTER 4 – INITIAL START-UP
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
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