Vermont Castings Intrepid INDVRCB Homeowner's Installation And Operating Manual page 36

Intrepid® Direct Vent - Rear Vent Gas Heater
Orifice
Bracket
Fig. 79 Tilt ember bed slightly to correctly place on venturi
and air shutter.
Orifice
Orifice
Bracket
Fig. 80 The air shutter setting is 1/2" (13 mm) from the orifice
bracket to the edge of the air shutter.
36
Pem Studs
Air Shutter
CO142
Table 3. Injector Orifice Size Matrix
Kit # Orifice
20012921 #56 (.0465")
Conversion to Natural Gas
Kit # Orifice
20012910 #47 (.0785")
All Models
1. Replace burner making sure venturi on bottom of
ember bed aligns with orifice and is seated properly
on air shutter assembly. (Fig. 79) Make sure burner
is slid into place at a slight angle and opposite to
how it was removed. When burner is slid into place,
the three (3) pem studs should slide down through
clearance holes into the bottom of the control panel.
2. Thread and tighten 3/8" nuts back onto pem studs
on underneath side of control panel, reversing Step
1 shown in Figure 78.
3. Reinstall logs as per instructions on Page 29.
4. Place conversion label on valve.
5. Replace glass and stove front.
6. Restore gas to system and relight appliance accord-
ST919
ing to Lighting Instructions on Page 32.
7. Leak check the system using a gas leak detector
solution.
8. Relight the main burner in both the "HI" and "LO" po-
sitions to verify proper burner ignition and operation.
Conversion is complete.
Conversion to LP
Input (BTU/h)
Part # Minimum
30000336 12,000
Input (BTU/h)
Part # Minimum
20003054 12,500
Maximum
16,000
Maximum
18,500
20012761