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Xdv direct vent gas fireplace, 39xdv, Pilot orifice conversion – Vermont Casting 36XDV User Manual

Page 44

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XDV Direct Vent Gas Fireplace

44

10009383

CO103

Gas Conversion

Air shutter

2/15/99 djt

Fig. 85 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.
77)

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. 78)

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. 79)

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. 79)

5. Replace the orifices according to the table on Page

45.

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. 86)

2. Remove pilot orifice with needlenose pliers. (Fig. 87)
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 26 for proper log placement.

Installation complete.

CO105
Gas Conversion
Pilot
2/15/99 djt

Pilot Hood

Index

Marks

Pilot

Bracket

CO105

Fig. 86 Remove pilot hood.

CO106

Gas Conversion

Pilot2

2/15/99 djt

Pilot Orifice

CO106

Fig. 87 Remove pilot orifice.