Vermont Castings SDDVTCB Homeowner's Installation And Operating Manual page 38

Stardance® Direct Vent/Natural Vent Gas Heater
SDDVTCS Series Models
1. Using the TORX T20 bit remove and discard the three
(3) pressure regulator mounting screws from the old
pressure regulator assembly. (Fig. 75)
Fig. 75 Remove mounting screws from old pressure regulator
assembly. Replace step motor with new conversion step motor.
ST1093
install new step motor
2. Insure the rubber gasket (D) is properly positioned
and install the new step motor (E) pressure regulator
assembly to the valve using the new screws supplied
with the kit. Tighten the screws securely. (Ref. torque
= 25 in/lb) (Fig. 75)
3. Install the identification label (F) supplied with the step-
per motor to the valve body where it can easily be seen.
(Fig. 75)
4. Make step motor and mV valve electrical connec-
tions.
5. Regulator conversion complete.
6. Test for Leaks
Pilot Orifice Conversion
1. Locate pilot. (Fig. 76)
2. Replace pilot orifice.
Fig. 76 Pilot assembly location.
38
ST935
SDDVT
pilot location
6/07
3. Remove pilot hood by lifting up. (Fig. 77) Do not re-
move snap ring to remove pilot hood. NOTE: It is not
necessary to remove the pilot tube for conversion.
4. Remove pilot orifice with Allen wrench. (Fig. 78)
5. Install the conversion orifice.
Index Tab
Snap Ring
Fig. 77 Remove pilot orifice.
Pilot Hood
ST1093
Pilot
Bracket
Fig. 78 Remove pilot hood.
6. Reinstall pilot hood. Be sure to align hood with index
tab.
Burner Orifice Conversion
1. Remove three (3) 3/8" nuts on bottom side of burner
pan. (Fig. 79)
2. Carefully remove ember bed by tilting the right side
up and lifting out toward the right side of the unit. (Fig.
79)
Bottom View
ST918
Fig. 79 Remove three (3) nuts securing ember bed in place.
ST935
Allen Wrench
CO106a
DV360/580
Gas Conversion
Pilot2
1/28/00 djt
CO105a
gas conversion
Pilot
1/28/00 djt
Remove Nut
Remove Nuts
30004968
CO106a
CO105a