Century Jefferson Homeowner's Installation And Operating Manual page 29

Direct vent/natural vent gas heater
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Pilot Hood
Pilot
Bracket
Fig. 54 Remove pilot hood.
Index Tab
Snap Ring
CO106a
Fig. 55 Remove pilot orifice.
CO106a
DV360/580
Gas Conversion
Pilot2
Index
1/28/00 djt
Marks
Pilot Bracket
Fig. 56 Remove pilot hood. (Your pilot may have a different
appearance.)
Remove pilot orifice with needlenose pliers. (Fig.
57) 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 withmark on pilot bracket.
14. Remove injector orifices from left burner leg using
1/2" wrench. (Fig. 58)
15. Install conversion orifices. (Refer to Table 2)
NOTE: Be sure burner leg remains at a 90° angle to
firebox base after conversion.
Kit #
30004180 #69 / .029" 30000513 #54 / .055" 20000130
30004177
CO105a
Allen Wrench
CO105a
gas conversion
Pilot
1/28/00 djt
Pilot Hood
CO105
CO105
Gas Conversion
Pilot
2/15/99 djt
Table 2. Injector Orifice Size Matrix
Conversion to LP
Front
Part #
Jefferson Direct Vent /Natural Vent Gas Heater
Fig. 57 Remove pilot orifice.
16. Replace burner. Slide the burner in at an angle
with left side lower than the right side. slide the left
side onto the injectors, making sure the burner leg
remains at a 90° angle to the base. Lower the right
hand side down in to place. Make sure the burner is
as far left as possible and the injector shoulders are
inside the burner.
NOTE: It is very critical to keep the left burner leg,
which holds the injectors, at a 90° angle to the base.
(Fig. 58) This keeps the orifices aligned with the
tubes inside the burner. Failure to do so could affect
the flame appearance and performance of the unit.
17. Place conversion label on valve
18. Reinstall the irght and left log bracket assembly.
19. Reinstall rear log bracket.
20. Replace the logs.
21. Replace glass and stove front.
Conversion is complete.
90°
Fig. 58 Remove and replace injector orifices.
ST353a
injector orifice
replace
Rear
Part #
Minimum
3/21/00
20,000
CO106a
Gas Conversion
Pilot (Vermont)
7/19/99 djt
Left Burner Leg
Injector Orifices
Input (BTU/h)
Maximum
djt
28,000
Pilot
Orifice
CO106b
ST353a
29

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