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Converting Main Burner & Pilot Orifice
NOTE: Remove burner assembly from the firebox to
complete main burner and pilot orifice conversion.
1. With the cover assembly removed locate the single
(1) screw securing the burner tube in place on the
left side and remove. Figure XX
2. Lift the burner tube up from the left end allowing the
air-shutter to pivot at the bulkhead. Lift until the tube
clears all the tube support brackets and pull straight
out.
Burner
Gas Type
Orifice
NG
#27
Propane
#45
Table 1.
Control
Valve
Module
Pilot
Figure 3.
3. Replace the orifice located on the end of the bulk-
head with the supplied #45 orifice.
4. Open the air-shutter, located at the end of the burner
tube, to fully open by loosening the screw holding
the shutter housing in place. Rotate to fully open and
retighten. See the air-shutter settings listed accord-
ing to the table 1 below.
5. Set the burner tube aside and continue on with the
conversion process by locating the pilot assembly.
6. Remove (2) screws securing pilot to the burner as-
sembly.
7. Carefully pull pilot assembly through the opening of
the burner assembly until the fittings behind the base
place are easily accessible.
8. Grasp pilot firmly and loosen the pilot tube fitting.
Remove the existing pilot orifice and replace it with
the pilot orifice included in the kit. Ensure the pilot
orifice is appropriate for the type of gas to which you
are converting the appliance. See Figure 4.
Hearth & Home Technologies • Gas Conversion Instructions for Courtyard • 4608-904 Rev. C • 01/2020
Burner
Pilot
Air
Orifice
Shutter
1/16"
0.023
Open
Fully
0.014
Open
Junction
Box
Bulkhead
Injector
Burner
Tube
WARNING
Shock or burn risk.
• Disconnect green wire from gas valve.
Failure to disconnect green wire could result in
severe burns.
9. Secure pilot assembly to burner assembly with (2)
screws.
10. Holding the left end of the burner tube up at an angle
with the air shutter at the lowest point. Slip the air
shutter over the orifice and rotate the tube down over
the support brackets until coming to rest on the burn-
er attachment bracket.
11. Reinstall the single screw on the left end of the burner
tube.
12. Disconnect green wire attached to the gas valve.
13. Turn on gas supply and electrical power to the appli-
ance.
14. Turn appliance "On" and use a commercially avail-
able, non-corrosive leak check solution to test for
leaks around the pilot fitting. See Figure 4.
15. Extinguish the pilot flame by turning the appliance
"Off".
16. Reconnect green wire to the valve.
17. Turn the appliance "On" and use a commercially
available, non-corrosive leak check solution to test for
leaks around the newly installed gas valve regulator.
18. Turn the appliance "Off" to extinguish pilot and main
burner flames.
19. Be sure to rinse off all leak check solution following
testing and prior to placing the appliance into opera-
tion.
20. Reinstall the cover assembly, secure using (6) screws.
21. Verify that the conversion plate has been signed and
dated. Affix the conversion plate adjacent to the rating
label.
22. Install media per the instructions included with the
media kit or in the appliance installation manual.
WARNING
Delayed Ignition Risk
• Place media according to instructions.
• Do NOT place media in area in front of pilot.
• Do NOT place media in a position that they may
fall into area in front of pilot.
• Do NOT use any media other than the media
supplied with this fireplace.
Fireplace will not function properly.
Delayed ignition may occur.
3
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