Vermont Casting 36XDV, 39XDV Fuel Conversion Instructions, Honeywell Comfort Control Valve ONLY

Models: 33XDV 39XDV 36XDV

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Fuel Conversion Instructions

XDV Direct Vent Gas Fireplace

4.Reinstall pilot hood and be sure to align with index tab.

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.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.

9.Follow procedure on rating plate to light the pilot. Check for leaks.

10.Turn main burner on and check for leaks.

11.Reinstall bracket rear log, front grate and logs. Refer to Page 25 for proper log placement.

Installation complete.

Fuel Conversion Instructions

Honeywell Comfort Control Valve ONLY

WARNING: The conversion must only be undertaken by a qualified, certified gas ap- pliance installer.

Installation Precautions

Before proceeding, turn control knob on valve to OFF and turn gas supply OFF. Turn OFF any electricity that may be going to the appliance. CAUTION: Logs may be hot!

Conversion Procedure

1.Open bottom grille to gain access to valve. Remove glass door. (Refer to “Window Frame Assembly Re- moval Section” Page 24, Fig. 48)

2.Remove logs if previously installed. CAUTION: Logs may be hot!

3.Remove and replace plug on lower right hand side of the valve; Red for LP and blue for NG. (Fig. 83)

4.Remove motor top cap. Depress and turn center plunger until arrow points to correct screw. Red for LP and Blue for NG. NOTE: Plunger will “snap” into NG position when arrow is close to blue screw. It will not “snap” at LP (Red) position. (Fig. 84)

Motor Top Cap

Piezo Ignitor

 

 

 

 

 

 

PILOT

OFF

 

 

 

 

 

 

 

ON•

 

 

LOCAL

REMOTE

 

LED

 

 

 

LED

 

Local/

Pilotstat

 

Plug

 

Remote Switch

Knob

 

 

 

Antenna

FP1037

 

 

 

Fig. 83 Comfort control valve.

 

 

 

 

 

 

Motor Top Cap

 

Center

 

 

 

 

Plunger

 

 

 

 

- NG

 

LOCAL

 

Blue

 

 

 

 

Red - LP

 

FP1037b

Fig. 84 Depressd and turn center plunger.

Burner Orifice Conversion 33/36XDV

1.Remove bracket rear log and front grate. Remove burner housing assembly and front burner tube.

2.Remove burner orifice from manifold assembly using 7/16” wrench. (Fig. 85)

3.Install conversion orifice in place of orifice just re- moved. Refer to Table 2.

4.Remove both air shutters from burner pan by remov- ing air shutter retaining screw then air shutter. (Fig. 86)

 

 

 

 

Rear Burner Orifice:

 

 

 

 

 

 

 

 

Main Burner

 

 

 

 

(Refer to Conversion Kit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Assembly

 

 

 

 

Orifice Chart)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Front Burner Orifice:

 

Pilot

(Refer to Conversion Kit

Front Burner

Location

Orifice Chart)

Tube

FP1612

 

 

Fig. 85 Remove burner assembly.

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Vermont Casting 36XDV Fuel Conversion Instructions, Honeywell Comfort Control Valve ONLY, XDV Direct Vent Gas Fireplace