Fuel Conversion Instructions - Majestic fireplaces DVB4136 Homeowner's Installation And Operating 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. (See "Win-
dow Frame Assembly Removal", Page 24, Fig. 46)
2. Remove logs if previously installed.
SkyTech Valve
1. Remove rubber cap from valve. (Fig. 65)
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. 65 Remove rubber cap and adjust gas type marker.
NOVA SIT820 Valve
1. Using the TORX T20 bit, remove and discard the
FP1769
three (3) pressure regulator mounting screws (A),
AF4000 valve face
2/07
pressure regulator tower (B) and the spring and
diaphragm assembly (C). (Fig. 66)
Fig. 66 Remove mounting screws, pressure regulator tower
and spring and diaphragm assembly.
20012322
Gas Type
Minimum
Marker
Rate Screw CO137
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A
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B
C
FC107
FC107
SIT820
valve conversion
10/03
DVB4136 Direct Vent Gas Fireplace
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. 67)
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 67)
Valve conversion is complete.
E
F
Fig. 67 Replace regulator.
Burner Orifice Conversion
FC108
1. Remove the screws that secure the fettle and the SIT
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. 68)
Remove
Screws
Fettle
FP1817
Fig. 68 Remove screws holding burner housing assembly
and burner tube assembly.
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2. Remove the fettle and the burner tube assembly.
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Slide the burner housing assembly to the right and
up to free the orifice.
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D
FC108
Pilot Location
Burner Housing
Assembly
Remove Screws
Remove Screws
Burner Tube Assembly
41