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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. (Figure 75)
ST935
SDDVT
pilot location
6/07
ST935
Figure 77
Pilot assembly location.
CO106a
DV360/580
Gas Conversion
Pilot2
1/28/00 djt
Index Tab
Snap Ring
CO106a
Figure 79
Remove pilot orifice.
Allen Wrench
ST918
remove nuts
6/07
Remove Nuts
Remove Nut
Bottom View
Figure 80
Remove three (3) nuts securing ember bed in place.
ST918
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) (Figure 76)
3. Install the identification label (F) supplied with the step-
per motor to the valve body where it can easily be seen.
(Figure 76)
4. Make step motor and mV valve electrical connec-
tions.
5. Regulator conversion complete.
6. Test for Leaks
Pilot Orifice Conversion
1. Locate pilot. (Figure 77)
2. Replace pilot orifice.
ST1093
install new step motor
ST1093
Figure 76
Remove mounting screws from old pressure regula-
tor assembly. Replace step motor with new conversion step
motor.
3. Remove pilot hood by lifting up. (Figure 78) 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. (Figure 79)
5. Install the conversion orifice.
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. (Figure 80)
2. Carefully remove ember bed by tilting the right side up
and lifting out toward the right side of the unit. (Figure
80)
CO105a
gas conversion
Pilot
1/28/00 djt
Pilot Hood
Pilot
Bracket
CO105a
Figure 78
Remove pilot hood.
38
Stardance® Direct Vent/Natural Vent Gas Heater
20306760