Fuel Conversion Instructions - Majestic fireplaces DVB4136 Homeowner's Installation And Operating Instructions Manual

Conversions must be completed by qualified personnel

Fuel Conversion Instructions

To convert the DVB4136 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 to gain access to
valve. Remove window frame assembly. (Refer to
"Window Frame Assembly Removal", Page 25, Fig.
48)
2. Remove logs if previously installed.
American Flame Valve
1. Remove rubber cap from valve. (Fig. 66)
2. Push pin in and turn so line on the end of the pin
lines up 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 42.
Main Connection
MAIN
Inlet
Pilot Adj.
PILOT
Outlet
Rubber Cap
FP1769a
Fig. 66 Remove rubber cap and adjust gas type marker.
NOVA SIT820 Valve
1. Using the TORX T20
FP1769
bit, remove and discard
AF4000 valve face
2/07
the three (3) pressure
regulator mounting
screws (A), pressure
regulator tower (B) and
the spring and dia-
phragm assembly (C).
(Fig. 67)
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) (Fig.
68)
20012322
Gas Type Marker
Minimum (Shown in LP posi-
Rate Screw tion)
A
B
�����
������ ����� ����������
����
C
FC107
Fig. 67 Remove mounting
screws, pressure regulator
tower and spring and dia-
FC107
phragm assembly.
SIT820
valve conversion
10/03
DVB4136 Direct Vent Gas Fireplace
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 68)
Valve conversion is complete.
E
F
Fig. 68 Replace regulator.
Burner Orifice Conversion
FC108
SIT
1. Remove the screws that secure the fettle and the
burner tube assembly, located behind the burner
regulator
tube assembly. Remove the three (3) screws that
conversion
secure the burner housing assembly to the base pan
10/03
at the right and left end of the burner housing as-
sembly. (Fig. 69)
Remove
Screws
Fettle
FP1817
Fig. 69 Remove screws holding burner housing assembly
and burner tube assembly.
������
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. 70)
D
FC108
Pilot Location
Burner Housing
Assembly
Remove Screws
Remove Screws
Burner Tube Assembly
39