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

Stardance® Direct Vent/Natural Vent Gas Heater
SDDVTCS Series Models
1. Using the TORX T0 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 regula-
tor assembly. Replace step motor with new conversion step
ST1093
motor.
install new step motor
. 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
= 5 in/lb) (Fig. 75)
3. Install the identification label (F) supplied with the
stepper 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)
Fig. 76 Pilot assembly location.
38
ST1093
ST935
SDDVT
pilot location
6/07
. Replace pilot orifice.
3. Remove pilot hood by lifting up. (Fig. 77) Do not
remove snap ring to remove pilot hood. NOTE: It is
not necessary to remove the pilot tube for conver-
sion.
Index Tab
Snap Ring
Fig. 77 Remove pilot orifice.
4. Remove pilot orifice with Allen wrench. (Fig. 78)
5. Install the conversion orifice.
6. Reinstall pilot hood. Be sure to align hood with index
tab.
Pilot Hood
Pilot
Bracket
Fig. 78 Remove pilot hood.
Burner Orifice Conversion
1. Remove three (3) 3/8" nuts on bottom side of burner
pan. (Fig. 79)
. Carefully remove ember bed by tilting the right side
up and lifting out toward the right side of the unit.
(Fig. 79)
ST935
Bottom View
ST918
Fig. 79 Remove three (3) nuts securing ember bed in place.
Allen Wrench
CO106a
DV360/580
Gas Conversion
Pilot2
1/28/00 djt
CO105a
gas conversion
Pilot
Remove Nut
1/28/00 djt
Remove Nuts
30004968
CO106a
CO105a