Справочник Пользователя для Vermont Casting SDDVRBS

41

Burner Orifice Conversion
1.  Remove three (3) 3/8” nuts on bottom side of burner 

pan. (Fig. 74)

2.  Carefully remove ember bed by tilting the right side 

up and lifting out toward the right side of the unit. 
(Fig. 75)

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Remove Nuts

Remove Nut

Fig. 74  Remove three (3) nuts securing ember bed in place.

ST918

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Pem Studs

ST919

Fig. 75  Tilt ember bed slightly to correctly place on venturi 
and air shutter.

Orifice 
Bracket

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CO145

Fig. 76  Use two wrenches to avoid damage to manifold.

3.  Remove injector orifice from left burner bracket with 

a 1/2” wrench. Use a back up wrench to prevent 
damage to the manifold. (Fig. 76)

4.  Install conversion orifice. (Refer to Table 2)
5.  The air shutter is factory set according to table on 

Page 7 and should not need adjustment. The air 
shutter opening may be verified by measuring as 
shown in Figure 77. 

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Orifice 
Bracket

Orifice

Air Shutter

CO142

Fig. 77  The air shutter setting is 1/2” (13 mm) from the orifice 
bracket to the edge of the air shutter.

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. 75) 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 74.

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-

ing to Lighting Instructions on Page 33. 

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.