- Vermont Castings Direct Vent Homeowner's Manual 33XDV, 36XDV, 39XDV

10009383 43
XDV Direct Vent Gas Fireplace
CO103
Gas Conversion
Air shutter
2/15/99 djt
Fig. 86 Remove air shutter from burner pan.
Shutter
Retaining
Screw
Burner Pan
Air Shutter
Front View
CO103
5. Install conversion air shutters on burner pan. Re-
place air shutter retaining screw. Adjust both air shut-
ters. Refer to Table 1 for proper air shutter adjust-
ment. Secure air shutter retaining screw.
6. Reinstall burner housing assembly and front burner
tube.
39XDV
1. Remove the two (2) screws which secure the burner
tube assembly/fettle and the two (2) screws located
behind the burner tube assembly which secure the
diverter. Remove the four (4) screws that secure the
burner housing assembly to the base pan at the right
and left end of the burner housing assembly. (Fig.
78)
2. Remove the fettle, the burner tube assembly and the
diverter. Slide the burner housing assembly to the
right and up to free the orifice.
3. Using a 1/2” open end wrench remove the orifices.
(Fig. 79)
4. Converting LP to NG, remove bracket/gasket as
-
sembly by unfastening the screw which secures the
bracket to the burner tray base. Discard bracket and
refasten the screw into the hole. (Fig. 80)
Converting NG to LP, assemble the bracket/gas
-
ket assembly to the burner tray assembly base by
unfastening the screw on the tray to the right side of
the orifice. Slide the bracket/gasket assembly over
the fitting on the manifold toward the back with the
gasket to the right. Secure the bracket/gasket as-
sembly using the screw removed earlier. (Fig. 80)
5. Replace the orifices according to the table on Page
43.
6. Replace the burner housing with the new one pro
-
vided in kit.
7. Reassemble the burner housing assembly, the
burner tube assembly and the fettle in reverse order.
Pilot Orifice Conversion
NOTE: It is not necessary to remove the pilot tube for
conversion.
1. Loosen pilot hood turning counterclockwise using a
7/16” wrench. (Fig. 87)
2. Remove pilot orifice with needlenose pliers. (Fig. 88)
3. Install conversion pilot orifice.
4. Reinstall pilot hood. Be sure to align pilot hood with
index marks.
5. Turn the gas supply valve and gas valve on and
test for leaks. Use a 50/50 solution of liquid soap
and water to test for leaks at gas fittings and joints.
Apply water/soap solution with brush only - do not
over apply. NEVER test with an open flame.
6. Follow procedure on rating plate to light the pilot.
Check for leaks.
7. Turn main burner on and check for leaks.
8. Reinstall bracket rear log, front grate and logs. Refer
to Page 25 for proper log placement.
Installation complete.
CO105
Gas Conversion
Pilot
2/15/99 djt
Pilot Hood
Index
Marks
Pilot
Bracket
CO105
Fig. 87 Remove pilot hood.
CO106
Gas Conversion
Pilot2
2/15/99 djt
Pilot Orifice
CO106
Fig. 88 Remove pilot orifice.