Fuel Conversion Instructions. Vermont Castings Radiance RADVTCBB, Radiance RADVTMB, Radiance RADVTCH, Radiance RADVTGG, Radiance RADVTCMB, Radiance RADVTSG, Radiance RADVTCVG, Radiance RADVTBS, Radiance RADVTCEB, Radiance RADVTBB

Radiance Direct Vent Gas Heater

WARNING! This conversion kit shall be installed by a qualified service agency in accordance with the manufacturer’s instructions and all applicable codes and requirements of the authority having jurisdiction. If the information in these instructions is not followed exactly, a fire, explosion or production of carbon monoxide may result causing property damage, personal injury or loss of life. The qualified service agency is responsible for the proper installation of this kit. The installation is not proper and complete until the operation of the converted appliance is checked as specified in the manufacturer’s instructions supplied with the kit.

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

PILO

T

OFF

Fuel Conversion Instructions

Gas Supply Inlet

Main

Gas Line

ST226a

Fig. 60 Attach the gas line to the right side of the valve.

2. Allow the valve to cool to room temperature.

3. Remove the black protection cap by hand.

(Fig. 61)

Figure 61

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4. Insert a 5/32” or 4 mm Allen wrench into the hexagonal key-way of the screw (Fig. 62), rotate it counterclockwise until it is free and extract it.

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Figure 63

5. Check that the screw is clean and if necessary remove dirt.

6. Flip the screw.

(Fig. 63)

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7. Using the Allen wrench as shown in Figure 64, rotate the screw clockwise and tighten until snug.

WARNING: Do not overtighten the

Conversion 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.

Figure

62

Figure 64

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Conversion Procedure

Figure 65

LP Configuration

Natural Gas

Configuration 1. Remove stove front. Lift stove front up and then swing bottom out and away to disengage from the stove body. (Page 26, Fig. 46)

2. Undo the right and left latches at the top of the glass frame. (Page 26, Fig. 47)

3. Pull the top edge of the glass and frame assembly away from the firebox face. Place the assembly out of the way on a flat, padded surface such as a counter protected by a towel.

4. Remove the logset from the firebox.

Valve Conversion

RADVT Series Models

1. Turn control knob to the OFF position, and shut off the gas supply to the valve.

Red O-ring Visible

Red O-ring NOT Visible

9. Replace the black protection cap.

WARNING: Check that also the pilot and main burner injectors are appropriate for the gas type.

CO141 orifice.

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6/07

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CO141

20012697 37

Radiance Direct Vent Gas Heater

2. Remove and replace plug on lower right hand side of the valve; Red for LP and Blue for NG. (Page 32,

Fig. 57)

3. Remove motor top cap using a standard slotted screwdriver. 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. 66)

Motor Top Cap

Center

Plunger

Valve PILO

T

•

OFF

O

N

Pilot Hood

Pilot

Bracket

Fig. 68 Remove pilot hood.

Index Tab

Blue - NG

Red - LP

FP1037b

Fig. 66 Depress and turn center plunger.

4. Insure manifold pressure remains between 3.2” - 3.5” w.c. for NG and 9.5” - 10” w.c. for LP. To adjust the manifold pressure, for NG, using a Torx #10 key turn the blue screw clockwise to increase the manifold pressure. Turn the screw counterclockwise to decrease the pressure. Use the red screw to adjust LP.

5. Replace motor top cap.

Pilot Orifice Conversion comfort valve convert

3/6/01 djt

1. Locate pilot. (Fig. 67)

Pilot

Allen Wrench

CO105a

LED

Snap Ring

CO105a gas conversion

Pilot

1/28/00 djt

CO106a

Fig. 69 Remove pilot orifice.

Pilot type 2 (Honeywell Pilot)

• Loosen pilot hood turning counterclockwise using a up.

CO106a

DV360/580

Pilot2

1/28/00 djt

Pilot Hood

ST916

Fig. 67 Locate pilot.

2. Replace pilot orifice.

Pilot Type 1 (SIT Pilot)

•

NOTE: It is not necessary to remove the pilot tube

•

Remove pilot hood by lifting up. (Fig. 68) Do not remove the snap ring to remove the pilot hood. for conversion.

Jefferson air shutter adj

Remove pilot orifice with Allen wrench. (Fig. 69)

• Install the conversion orifice.

• Reinstall pilot hood. Be sure to align hood with index tab.

Index

Marks

Pilot Bracket

CO143

Fig. 70 Remove pilot hood. (Your pilot may have a different appearance.)

• Remove pilot orifice with needlenose pliers. (Fig.

•

Rf pilot Conversion

Install the conversion orifice.

• Reinstall pilot hood and tighten until mark on pilot hood aligns with mark on pilot bracket.

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Radiance Direct Vent Gas Heater

3. Remove injector orifice from left burner bracket with a 1/2” wrench. Use a back up wrench to prevent damage to the manifold. (Fig. 74)

Pilot

Orifice

CO1044

Fig. 71 Remove pilot orifice.

Burner Orifice Conversion

1. Remove three (3) 3/8” nuts on bottom side of burner pan. (Fig. 72)

(Fig. 73)

CO144

RF Pilot conversion

CO145

Fig. 74 Use two wrenches to avoid damage to manifold.

4. Install conversion orifice. (Refer to Table 2)

5. The air shutter is factory set according to Table 3 and should not need adjustment. The air shutter

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Figure 75. ��������������

Orifice

Bracket

Air Shutter

Bottom View

Remove Nuts

ST918

Fig. 72 Remove three (3) nuts securing ember bed in place.

Orifice

Bracket

Venturi Bracket

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Pem Studs

ST919

Fig. 73 Tilt ember bed slightly to correctly place on venturi and air shutter.

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20012697

CO142

Fig. 75 The air shutter setting is 1/2” (13 mm) from the orifice bracket to the edge of the air shutter.

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All Models

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1. Replace burner making sure venturi on bottom of ember bed aligns with orifice and is seated properly on air shutter assembly. (Fig. 73) Make sure burner is slid into place at a slight angle and opposite to how it was removed. When burner is slid into place, the three (3) pem studs should slide down through clearance holes into the bottom of the control panel.

2. Thread and tighten 3/8” nuts back onto pem studs on underneath side of control panel, reversing Step

1 shown in Figure 72.

3. Reinstall logs as per instructions on Page 26.

4. Place conversion label on valve.

39

Radiance Direct Vent Gas Heater

5. Replace glass and stove front.

6. Restore gas to system and relight appliance according to Lighting Instructions on Page 31.

7. Leak check the system using a gas leak detector solution.

8. Relight the main burner in both the “HI” and “LO” positions to verify proper burner ignition and operation.

Conversion is complete.

Model

RADVT

RADVTC

Model

RADVT

RADVTC

Table 2. Injector Orifice Size Matrix

Conversion to LP

Kit # Orifice Part #

Input (BTU/h)

Minimum Maximum

25,000 36,000

20012729

20012900

Kit #

Conversion to Natural Gas

Orifice Part #

20012899

#31 / 0.120” 20006927

20012902

1.75 mm 20012946

Input (BTU/h)

Minimum Maximum

25,000 38,000

Table 3. Air Shutter Adjustment

Model

RADVT/RADVC

Natural Gas Natural Gas

High Altitude

1/2” Open 1/2” Open

LP

1/2” Open

Table 4. High Altitude Orifice

[Required for altitudes above 2000’ (610 m) up to 4500’ (1,370 m)]

Input (BTU/h)

Model Orifice Part # Minimum Maximum

RADVT/RADVTC #33 / 0.113” 20012554 25,000 36,000

(Natural gas only)

*LP models do not need re-orificed up to 4500’ (1,370 m) above sea level.

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