Vermont Casting DVBR42 사용자 설명서

30

4.  For conver-
sion to Natural 
Gas remove the 
manifold mounting 
bracket. Replace 
the nut and screw 
removed earlier. 
Attach the air shut-
ter to the burner 

tube and secure with screw. Tighten screw. For con-
version to LP Gas, remove the air shutter retaining 
screw and remove air shutter. Remove the hex nut 
and screw as shown in Figure 65. Slide the manifold 
mounting bracket onto the manifold where the split 
nut was removed. Slide the split nut on and install 
the orifice. Tighten the orifice. (Fig. 66) Assemble the 
manifold mounting bracket to the burner where the 
nut and screw were removed. Tighten the nut and 
screw.

5.  For conversion to natural gas re-install manifold 

to burner pan with 3/4” wrench and tighten until 
secure.

To convert the DVBR unit from one gas type to another 
follow these instructions:
1.  Remove control cover to gain access to valve. 

Remove glass door. (See “Glass Frame Removal”, 
Page 23, Fig. 48)

2.  Remove logs if previously installed.

3.  Remove cap from HI/LO knob. This can be accom-

plished by lifting the plastic cap off the screw. (Fig. 
59)

4.  Remove the screw from center of HI/LO knob with 

small screwdriver turning counterclockwise. (Fig. 59)

CO101

Gas Conversion

Manifold

2/12/99   djt

Manifold
Assembly

Orifice

Log Support

Pilot

Fig. 61   Remove manifold assembly.

CO101

Burner Pan

5.  Insert conversion screw (supplied in conversion kit) 

in center of HI/LO knob. Blue for natural gas, red for 
LP.

6.  Tighten screw, replace cap.
Valve conversion is complete.

1.  Using the 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(). (Fig. 60) NOTE: If the 
conversion is for the 822 electronic valve, cut the 
metal tab off the regulator as shown in Figure 60.

2.  Insure the rubber gasket (D) is properly positioned 

and install the new HI/LO pressure regulator assem-
bly to the valve using the new screws (E) supplied 
with the kit. Tighten the screws securely. (Ref. torque 
= 25 in/lb) (Fig. 60)

3.  Install the enclosed conversion label (F) to the valve 

body where it can easily be seen. (Fig. 60)

Valve conversion is complete.

1.  Unscrew manifold assembly from burner using 3/4” 

wrench. (Fig. 61)

2.  Remove burner orifice from manifold assembly using 

1/2” wrench. (Fig. 62)

3.  Remove air shutter from burner pan by removing 

shutter retaining screw then air shutter. (Fig. 63)

CO100

Gas conversion

HI-LO knob

3/15/99   djt

Hi-Lo Knob

Cap

Lift Open

Fig. 59 Remove center screw from Hi-Lo knob.

Remove 

Center Screw

CO100

CO102

Gas Conversion

2/15/99   djt

CO102

Burner 

Orifice

Fig. 62  Remove burner orifice, 
replace with conversion orifice.

FC107

SIT820

valve conversion

10/03   

A

B

C

OFF

PIL

OT

O

D

E

F

FC108

SIT

regulator

conversion

10/03

OFF

PIL

OT

O

Fig. 60  Remove mounting screws, pressure regulator tower 

and spring and diaphragm assembly. Replace regulator.

FC107/108

Cut here 

for 822 

Valve