2 switchover from propane to natural gas – AERCO BMK 2000DF User Manual
Page 64

Benchmark 1500DF - 2000DF Boilers
CHAPTER 4 – INITIAL START-UP
Page 64 of 196
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0098_0A
04/01/2014
Ph.: 800-526-0288
GF-144
FRONT VIEW
Figure 4-6: Duel Fuel Switch Location
4.5.2 Switchover from PROPANE to NATURAL GAS
To switch from Propane to Natural Gas, proceed as follows:
Switchover from PROPANE to NATURAL GAS
1. Set the ON/OFF switch on the C-More Controller to the OFF position.
2. Close the external Propane Gas supply valves.
3. Open the external Natural Gas supply valves.
4. Refer to Figure 4-6 and locate the Fuel Selector Switch on the front of the unit.
5. Set the Fuel Selector Switch to the NATURAL GAS position. A Gas pressure Fault
message will be displayed on the Control Box.
6. Clear the Gas Pressure Fault by pressing the CLEAR key.
7. Apply AC power to the boiler.
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.
DUAL FUEL
CUTOVER SWITCH
C-MORE
CONTROLER