Vermont Casting 39XDV XDV Direct Vent Gas Fireplace, Honeywell Valve, NOVA SIT820 Valve, 10009383

3. Install the enclosed conversion label (F) to the valve body where it can easily be seen. (Fig. 75)

Valve conversion is complete.

E

2. Insure the rubber gasket (D) is properly positioned and install the new HI/LO pressure regulator assem- bly to the valve using the new screws (E) supplied with the kit. Tighten the screws securely. (Ref. torque = 25 in/lb) (Fig. 75)

XDV Direct Vent Gas Fireplace

Conversions must be completed by qualified personnel Fuel Conversion Instructions

To convert the XDV units for use with a different gas fol- low these instructions. 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! Allow to cool before proceeding.

1.Open louvre assembly bottom to gain access to valve. Remove window frame assembly. (Refer to “Window Frame Assembly Removal”, Page 24, Fig. 48)

2.Remove logs if previously installed.

Honeywell Valve

1.Remove cap from HI/LO knob. This can be accom- plished by lifting the plastic cap off the screw. (Fig. 73)

2.Remove the screw from center of HI/LO knob with small screwdriver turning counterclockwise. (Fig. 73)

3.Insert conversion screw supplied in conversion kit. Blue for natural gas, red for LP.

4.Tighten screw, replace cap.

N

O

F

OFF
P
	L
I
TO

D

Cap

Lift Open

HI

LO

Hi-Lo Knob

HI

LO

Remove
Center Screw	CO100

FC108

Fig. 75 Replace regulator.

Burner Orifice Conversion 33/36XDV

1.	Remove bracket rear log and front grate. (Fig. 76)
2.	Remove burner housing assembly and front burner

Fig. 73 Remove center screw from Hi-Lo knob.

NOVA SIT820 Valve

1.Using the TORX T20 bit, remove and discard the three (3) pressure regulator mounting screws (A), pressure regulator tower (B) and the spring and diaphragm assembly (C). (Fig. 74)

A

B

C

	OFF
N	P
	L
	I
O	TO

FC107

Fig. 74 Remove mounting screws, pressure regulator tower and spring and diaphragm assembly.

	tube. (Fig. 76)
3.	Remove burner orifice from manifold assembly using
	3/8” wrench. (Fig. 76)
4.	Install conversion orifices in place of orifices just
	removed.

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. 76 Remove manifold assembly.

5.Remove air shutters from burner pan by removing shutter retaining screw then air shutter. (Fig. 77)

6.For 36XDV replace only rear air shutter.

Natural Gas: Rear air shutter, close two sides, top and bottom open.

Front air shutter, fully open.

40 10009383