Vermont Casting DVT38S2IN installation instructions Remove pilot orifice

Index Tab Allen Wrench

Snap Ring

CO134

Fig. 56 Remove pilot orifice.

1.Remove two (2) screws holding the pilot assembly to the burner assembly. Move the pilot assembly toward the back wall.

2.Using a back-up wrench, disconnect the gas supply fitting near the right rear corner of the firebox.

3.Remove four (4) screws holding the burner assem- bly to the firebox floor.

4.Carefully slide the burner assembly out of the way.

5.Remove 13 screws around the perimeter holding large access panel on the of the firebox.

6.Carefully pull back the panel just enough to gain access to control box.

7.Locate the black plastic cap on the gas valve. (Fig. 57) Remove the black cap by pulling the cap straight off. Note the position of the marker on the top of the rotary knob. This marker will point to NAT or LP. (Fig. 58)

8.To convert the valve from NG to LP, push in the

Black Plastic Cap

Minimum Rate

Screw

CO138

Fig. 57 AF4000 Valve in place.

knob and rotate 90° (1/4 turn). NOTE: The shaft should point to LP. The shaft will remain pushed-in.

9.Remove the slotted brass minimum rate screw lo- cated in the valve next to the motor drive. (Fig. 58)

Chateau™ Direct Vent Gas Fireplace

Pilot Adjustment Screw

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	Gas Type
	Marker	Minimum Rate
CO137		Screw

Fig. 58 Remove black plastic cap and adjust rotary knob to correct gas type. (LP position shown) Replace minimum rate screw with one supplied in conversion kit.

10.Replace the minimum rate screw with the one provided in the LP conversion kit supplied with this fireplace. Ensure the screw is fully installed.

11.Install the enclosed identification label to the valve body where it can be easily seen.

12.Reinstall steel panel.

13.Reinstall burner to original position. Reinstall burner leg, burner tube and fettle. Re-attach supply tube to gas supply fitting. Using a back-up wrench, tighten securely.

14.Test for leaks. Apply electric and gas to the system.

15.Light the pilot burner using the remote control. With soapy solution check for leaks around the pilot as- sembly where the tube enters the pilot assembly.

Tighten fitting if necessary.

16.Light the main burner and check for leaks around the burner supply tube fittings and burner orifices. Tighten if necessary.

17.Turn fireplace OFF.

18.After the conversion and leak checks have been made, manifold outlet pressure can be checked with a manometer at the test ports located at the side front edge of the fireplace opening. The lower test port is manifold outlet pressure.

CAUTION: Turn off the gas supply before removing test port plug.

19.Using a 7/16” nut driver, remove the threaded plug from the test port.

20.Thread the supplied extension adaptor into the open test port.

21.Attach a 1/4” diameter pressure gauge flexible hose

fully onto the barb of the adaptor.

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