Vermont Casting DBT33 Converting the Appliance, From LP to Natural GAS or, Natural GAS to LP

	CONVERTING THE APPLIANCE	a) Using a suitable small screwdriver lift out the central
		regulator cap from the ‘Hi - Lo’ knob on the valve.
	FROM LP TO NATURAL GAS OR
		b) Unscrew the exposed conversion screw.
	NATURAL GAS TO LP.
		c) Insert the new colour coded conversion screw. Do not
The DBT33 is convertible between Natural Gas an LP gas		over-tighten the screw, it must be nger tight.
		d) Ret the regulator cap.
(and vice-versa) with the use of a conversion kit purchased
		e) Mount the conversion label supplied with the conver-
seperately, see your dealer for the correct part number.
	The DBT36 & 39 can only be converted from	sion screw to the valve in a visible position.
		10. Reassemble the replace in the reverse order, except for
	Propane to Natural gas.
		the front glass. Leave this off until the unit has been
	The conversion of this appliance from one gas	checked for leaks and the gas supply line has been bled.
		11. After bleeding the gas line and checking for leaks with a
	to another must be carried out by an authorized
		soap solution, replace the front glass. Fire up the unit,
	service provider.
		check for ame impingement on the logs, adjusting them
1. Disconnect power to the unit and shut off the gas supply.
		if necessary. Check the manifold and supply pressures
2. Remove the glass/frame assembly.		against the appliance specications.
3.	Carefully remove the logs & lava rock material	The procedure for converting from one gas to
4. Remove the screws that are holding the burner housing
		another is the same regardless of the initial gas
	in place.	used. The only variation is in the orice sizes
5.	Remove the burner housing. Depending on the model of	and component part numbers. Your authorized
	the appliance you may have to loosen the pilot bracket	service provider will ensure the correct parts are
	retaining screw/nut to allow the pilot and bracket assem-	used.
	bly to tilt and give enough clearance to remove the burner
	housing.

6.Remove the main burner orice and replace it with the orice supplied in the conversion kit.

7.SIT Top Convertible Pilot

Gently lift off the pilot hood from the pilot. (Do not remove the spring clip holding the hood in place). Using a correctly sized Allen key unscrew the exposed orice. Insert the new orice supplied in the kit, do not over tighten the orice. Replace the pilot hood ensuring the index tab aligns with the notch on the hood.

PSE Pilot
Using a suitable wrench on the hexagonal body unscrew
the pilot hood assembly from the pilot, do not twist the
hood itself. Remove the orice and replace it with the	Fig. 9
new orice supplied in the kit. Ret the pilot hood
assembly. Do not over-tighten the pilot hood. The hood
must return to its original alignment. Take care not to
damage the thermocouple, thermopile or igniter.

9.SIT 820 NOVA Gas Control Valve (Fig. 9)

a)Using a Torx T20 or slotted screwdriver, remove and save the three pressure regulator mounting screws (A), pressure regulator tower (B) and diaphragm (C).

b)Ensure the rubber gasket (D) is properly positioned and install the new Hi/Lo pressure regulator to the valve using the new screws (E) supplied with the kit. Tighten screws securely. (Reference torque - 25 in.Lb).

c)Install the enclosed identication label (F) to the valve body where it can be easily seen.

Honeywell Gas Control Valve (Fig. 10)

The Honeywell valve tted to this unit is suitable for use with LP or Natural Gas. It is converted to the required gas application by the installation of a colour coded “conversion screw”.

Fig. 10

DBT33/DBT36/DBT39 -8- 10002789/0