Vermont Casting SDDVRBD, SDDVRC, SDDVRCCB manual Pilot Orifice Conversion, Pilot Type, Pilot type

Stardance Direct Vent - Rear Vent Gas Heaters

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. 68)

		Motor Top Cap
Center
Plunger
			Valve
Blue - NG	Red - LP	LOCAL	FP1037b
Fig. 68 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 de- crease the pressure. Use the red screw to adjust LP.

5.Replace motor top cap.

Pilot Orifice Conversion

1. Locate pilot. (Fig. 69)

ST935

Fig. 69 Pilot assembly location.

2.Replace pilot orifice.

Pilot Type 1

•Remove pilot hood by lifting up. (Fig. 70) Do not remove snap ring to remove pilot hood. NOTE: It is not necessary to remove the pilot tube for conver- sion.

•Remove pilot orifice with Allen wrench. (Fig. 71)

•Install the conversion orifice.

Pilot Hood
Pilot
Bracket		CO105a
Fig. 70	Remove pilot hood.
40

Index Tab	Allen Wrench
Snap Ring	CO106a
Fig. 71 Remove pilot orifice.

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

Pilot type 2

•Loosen pilot hood turning counterclockwise using a 7/16” wrench. (Fig. 72) NOTE: You may use pen- etrating oil to prevent pilot hood threads from seizing up.

•Remove pilot orifice with needlenose pliers. (Fig. 73) NOTE: Use a wrench to hold pilot tube in place while removing the orifice.

•Install the conversion orifice.

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

Pilot Hood

Index

Marks

Pilot Bracket CO105

Fig. 72 Remove pilot hood. (Your pilot may have a different appearance.)

Pilot

Orifice

CO106b

Fig. 73 Remove pilot orifice.

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