Desa Tech PCDM-36TA Owner's Manual

INSTALLATION INSTRUCTIONS FOR PCDM-36TA CONVERSION KIT

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CONVERTING FROM NATURAL GAS TO PROPANE/LP GAS

For Use When Converting Model (V)T36NA and CTDV36NRA Series

This conversion kit must be installed by a qualified service agency.

Read these instructions completely before installing this conversion kit. Before proceeding, make sure the gas control valve is in the OFF

position, all electrical power to the appliance is off, and the fireplace is cool to the touch.

CAUTION: The gas supply shall be shut off prior to disconnecting the electrical power before proceeding with the conversion.

Parts included with this kit:

Part No. Description Quantity

111895-01 Instruction Sheet 1 108085-02 Pilot Orifice LP (30) 1 14514 Main Burner Orifice LP (132, #55) 1 14488 Gas Valve Regulator LP 1 111983-01 Conversion Label, English 1 111984-01 Conversion Label, French 1 56060 Conversion Information Label 1 106739-01 Registration, Gas Conversion 1

Tools Required

• 7/8" Open End Wrench or Adjustable Wrench

• 3/4" Open End Wrench or Adjustable Wrench

• T orx T20 or Slotted Screwdriver

• 5/32" Allen Wrench

• #2 Short Phillips Screwdriver

• Thread Sealant (Resistant to Propane/LP)

ACCESSING FIREPLACE

Removing Louver Panels

Remove the top and bottom louver panels by simultaneously pulling both top end spring latches towards the center of the appliance until they are disengaged from the locating holes (see Figure 1). Repeat for bottom spring latches and pull the louvers outward. To install or replace items removed, simply reverse the procedures above.

Louver Panel

Spring Latch

Figure 1 - Removing Louver Panel

Opening Glass Door

1. Remove screen assembly by pushing the rod either left or right and then down and forward. Set assembly aside.

2. Lift up on latches of door to unlock. There are two on top of firebox and two below firebox that hold glass door in place (see Figure 2).

3. Remove log set from firebox. Refer to Installing Logs, Lava Rock and Glowing Embers in owner’s manual.

Unlock

Lock

Latch

The gas control valve and main burner orifice are located under the firebox floor of the appliance and are accessed by removing the lower louver panel. The pilot orifice is located in the pilot burner and is accessed by opening the glass door and removing the logs.

Save this manual for future reference.

Glass Door

Figure 2 - Opening Glass Door

BURNER ORIFICE CONVERSION

1. Inside the control compartment under the firebox floor, locate the aluminum tube with flare fitting and elbow fitting on the right side. Loosen flare fitting and disconnect aluminum tube from elbow fitting. Use a 3/4" open end wrench (see Figure 3).

2. Carefully cut away RTV silicone from orifice where it passes through the firebox bottom. Remove elbow fitting with orifice from burner inlet by turning counterclockwise. Use a 7/8" open end wrench.

3. Remove the NG orifice from elbow fitting. Apply a light amount of propane/LP resistant sealant to short threaded end of LP orifice (132, #55) supplied with kit. Thread LP orifice into elbow and tighten.

4. Apply a light amount of propane/LP resistant sealant to long threaded end of orifice. Thread elbow fitting with orifice into burner inlet by turning clockwise. Use a 7/8" open end wrench. Make sure flare end of elbow faces left.

5. Apply RTV silicone to orifice where it passes through the firebox bottom.

6. Connect aluminum tube to elbow fitting and tighten flare fitting. Use a 3/4" open end wrench.

7. Locate air shutter at end of burner tube where burner tube meets firebox bottom (see Figure 3). Loosen screw and adjust air shutter to full open (maximum) position.

GAS CONTROL VALVE CONVERSION

Convert the gas control valve by swapping out the valve regulator portion of the gas valve.

1. Using a Torx T20 or slotted screwdriver, remove and discard the three mounting screws, pressure regulator tower, and diaphragm/spring components (see Figure 4).

2. Insure that the rubber gasket is properly positioned on the new pressure regulator assembly. Install the LP pressure regulator assembly to the valve using the new mounting screws supplied with the kit. Tighten screws securely (approximately 25 in-lbs.) (see Figure 5, page 3).

3. Install the identification label enclosed with the gas valve regulator to the valve body where it can easily be seen (see Figure 5, page 3).

Mounting Screws

Pressure Regulator Tower

Diaphragm/Spring Components

Main Burner

Orifice

Aluminum Tube

Flare Fitting

Brass Elbow

Figure 3 - Removing Orifice for Conversion (Valve Shown Removed from Base for Clarity)

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Figure 4 - Removing Mounting Screws, Pressure Regulator Tower, and Diaphragm/Spring Components

111895-01A

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