27
Oxford Direct Vent / Natural Vent Gas Heater
3-90-20306762
Fuel Conversion Instructions
Conversion Precautions
Before proceeding, turn control knob on valve to OFF and
turn gas supply OFF. Turn OFF any electricity that may be
going to the appliance.
Conversion Procedure
1. Remove stove front. Lift stove front up and then swing
bottom out and away to disengage from the stove body.
(Figure 59)
2. Swing open the swiveling latches at the top left and right
corners of the glass frame. (Figure 59)
3. Pull the top edge of the glass and frame assembly away
from the firebox face. Place the assembly out of the way
on a flat, padded surface such as a counter protected by
a towel.
4. Remove the logset from the firebox.
5. Remove the rear log bracket by unfastening the screw.
(Figure 50)
6. Remove the right and left log bracket assembly by
unfastening the two screws which hold the burner in
place. (Figure 50)
7. Hold the burner at the right hand side and lift to clear
the right burner leg. Then pull to the right to clear the
injectors on the left hand side.
FC107
SIT820
valve conversion
10/03
A
B
C
OFFP
ILOT
O
Figure 51 -
Remove
mounting screws, pressure
regulator tower and spring
and diaphragm assembly.
D
E
F
FC108
SIT
regulator
conversion
10/03
OFF
PIL
OT
O
Figure 52
- Replace regulator.
8. Remove injector orifices from left burner leg using 1/2”
wrench. (Figure 55)
9. Install conversion orifices. (Refer to Table 2)
SIT 820 Valve
1. Using TORX T20 bit, remove and discard the three
(3) pressure regulator mounting screws (A), pressure
regulator tower (B) and the spring and diaphragm
assembly (C). (Figure 51)
2. Insure the rubber gasket (D) is properly positioned and
install the new HI/LO pressure regulator assembly to
the valve using the new screws (E) supplied with the
kit. Tighten the screws securely. (Ref. torque = 25 in/lb)
(Figure 52)
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Figure 52)
ST770
DW
attach gas line
5/15/03 djt
PIL
OT
ON
OFF
PIL
O
T
ADJ
LO
HI
Gas Supply Inlet
Main
Gas Line
Figure 49
- Attach the gas line to the left side of the valve.
WARNING! This conversion kit shall be installed by
a qualified service agency in accordance with the
manufacturer’s instructions and all applicable codes
and requirements of the authority having jurisdiction.
If the information in these instructions is not followed
exactly, a fire, explosion or production of carbon
monoxide may result causing property damage,
personal injury or loss of life. The qualified service
agency is responsible for the proper installation of
this kit. The installation is not proper and complete
until the operation of the converted appliance
is checked as specified in the manufacturer’s
instructions supplied with the kit.
CAUTION: The gas supply shall be shut off prior to
disconnecting the electrical power, before proceeding
with the conversion.
ST350
Jefferson
air shutter adj
3/20/00 djt
Remove Screws
Rear Log Bracket
Pilot
Left & Right Log
Bracket Assembly
Figure 50 -
Remove rear log bracket and left and right log bracket
assembly.