Vermont Casting SNV30 - Manual (Page 17)

17
Stardance Natural Vent Gas Heater
20007067
FC107
SIT820
valve conversion
10/03
A
B
C
OFF PIL OT O
Fig. 28 Remove mounting screws, pressure regulator tower
and spring and diaphragm assembly.
FC107
D
E
F
FC108
SIT
regulator
conversion
10/03
OFF PIL OT O
FC108
Fig. 29 Replace regulator.
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 29)
Pilot Orifice Conversion
14. Locate pilot. (Fig. 26)
15. Replace pilot orifice.
• Remove pilot hood by lifting up. (Fig. 30) NOTE:
It is not necessary to remove the pilot tube for
conversion.
• Remove pilot orifice with allen wrench. (Fig. 31)
• Install the conversion orifice.
• Reinstall pilot hood. Be sure to align hood with
index tab.
16. Adjust air shutter on the burner. The air shutter is
located on the bottom of the burner on the left. (Fig.
32) Loosen the two nuts holding the shutter in place.
On natural gas units, the shutter is shipped fully
closed. To convert to LP, reset the shutter as speci-
fied in Table 2. (Fig. 33) On propane unit the shutter
CO105a
gas conversion
Pilot
1/28/00 djt
Pilot Hood
Pilot
Bracket
CO105a
Fig. 30 Remove pilot hood.
CO106a
DV360/580
Gas Conversion
Pilot2
1/28/00 djt
Index Tab
Snap Ring
Allen Wrench
CO106a
Fig. 31 Remove pilot orifice.
is set at 1/8” or 3/8” opening depending on rating
plate serial number. To convert to natural gas, the
shutter should be set to fully closed. Refasten the
two nuts. (Fig. 33)
NOTE: Be sure burner leg remains at a 90° angle to
firebox base after conversion.
ST785
SNV
air shutter
lp gas position
11/20/03 djt
3/8"
Air Shutter
(LP Position)
ST785
Fig. 32 LP air shutter settings.
ST718
SNV
air shutter
natural gas position
8/23/02 djt
Burner
Air Shutter
ST784
Fig. 33 Natural gas air shutter setting.
Rear
Injector
Air Inlet
Covered
Front Injector
Air Inlet