Vermont Castings SDDVRBD, SDDVRC, SDDVRCCB Installation And Operating Manual page 40

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)
Center
Plunger
Blue - NG
Red - LP
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)
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
Fig. 70 Remove pilot hood.
40
Motor Top Cap
Valve
FP1037b
FP1037b
comfort valve
convert
3/6/01 djt
ST935
SDDVT
pilot location
6/07
Index Tab
Snap Ring
Fig. 71 Remove pilot orifice.
OFF • 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.
Index
Marks
Pilot Bracket
Fig. 72 Remove pilot hood. (Your pilot may have a different
appearance.)
ST935
Fig. 73 Remove pilot orifice.
CO105a
Allen Wrench
CO106a
DV360/580
Gas Conversion
Pilot2
1/28/00 djt
CO142
Rf pilot Conversion
6/07 djt
CO144
RF Pilot conversion
6/07 djt
CO106a
Pilot Hood
CO105
Pilot
Orifice
CO106b
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