33
DVA4136 Series Direct Vent Gas Fireplace
10010270
Conversions must be completed by qualified personnel
Fuel Conversion Instructions
To convert the DVA4136 units for use with a different
gas follow these instructions. 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.
CAUTION: Logs may be HOT! Allow to cool before
proceeding.
1. Open louvre assembly bottom or bottom access
panel to gain access to valve. Remove window
frame assembly. (See “Window Frame Assembly
Removal”, Page 21, Fig. 36)
2. Remove logs if previously installed.
American Flame Valve
1. Remove rubber cap from valve. (Fig. 49)
2. Push pin in and turn so line on the end of the pin
aligns with the appropriate gas. NAT for natural gas
and LP for propane.
3. Replace cap.
4. Remove minimum rate screw and replace with new
minimum rate screw supplied in kit. Refer to Table 1
on Page 34.
Valve conversion is complete.
housing assembly holding the shutter spring and
mixer tube assembly. Carefully remove the mixer
tube assembly from the burner housing assembly.
2. Remove and discard the shutter spring assembly.
3. Remove the air shutter from the mixer tube by re-
moving one screw.
4. Install this air shutter to new mixer tube supplied
with conversion kit using screw from old mixer tube.
5. Install new mixer tube into burner housing assembly
taking care to properly align gasket with mixer tube
mounting plate.
6. Reassemble into the fireplace the burner housing
assembly, the burner tube assembly and the fettle in
reverse order.
Mixer Tube Replacement
(Conversion to NG ONLY)
1. Remove the 2 screws from the left end of the burner
housing assembly holding the mixer tube assembly.
Carefully remove the mixer tube assembly from the
burner housing assembly.
2. Remove the air shutter from the mixer tube by re-
moving one screw.
Inlet
PILOT
Pilot Adj.
Outlet
MAIN
FP1769
AF4000 valve face
2/07
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Main Connection
Rubber Cap
Gas Type
Marker
FP1769a
CO137
Minimum
Rate Screw
Fig. 49
Remove rubber cap and adjust gas type marker.
Burner Orifice Conversion
1. Remove the screws that secure the fettle and the
burner tube assembly, located behind the burner
tube assembly. Remove the three (3) screws that se-
cure the burner housing assembly to the base pan at
the right and left end of the burner housing assem-
bly. (Fig. 50)
2. Remove the fettle and the burner tube assembly.
Slide the burner housing assembly to the right and
up to free the orifice.
3. Using a 1/2” open end wrench remove the orifices.
(Fig. 51)
4. To convert burner orifices, remove the orifices and
replace with the proper orifice listed in the table on
Page 34.
Mixer Tube Replacement
(Conversion to LP ONLY)
1. Remove the 2 screws from the left end of the burner
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Pilot Location
Burner Housing
Assembly
Remove
Screws
Fettle Screw
Fettle
Remove screws
FP1835
Fig. 50
Remove screws holding burner housing assembly and
burner tube assembly.
Fettle Screw
Remove Screws
CO147
Fig. 51
Burner orifice replacement.
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Main Burner
Orifice
Burner Tube
Orifice