Vermont Casting DVRT41 - Manual (Page 35)

35
DVRT41Direct Vent Gas Fireplace
10006740
Fuel Conversion Instructions
To convert the DV360/580 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 23, Fig. 46)
2. Remove logs if previously installed.
Honeywell Valve
1. Remove cap from HI/LO knob. This can be accom-
plished by lifting the plastic cap off the screw. (Fig.
56)
2. Remove the screw from center of HI/LO knob with
small screwdriver turning counterclockwise. (Fig. 56)
3. Insert conversion screw supplied in conversion kit.
Blue for natural gas, red for LP.
4. Tighten screw, replace cap.
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. 58)
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 58)
Valve conversion is complete.
Conversions must be completed by qualified personnel
L O
HI
L O
HI
Hi-Lo Knob
Cap
Lift Open
Fig. 56 Remove center screw from Hi-Lo knob.
Remove
Center Screw
CO100
NOVA SIT820 Valve
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. 57)
A
B
C
OFF PIL O T ON
Fig. 57 Remove mounting screws, pressure regulator tower
and spring and diaphragm assembly.
FC107
D
E
F
OFF P ILOT ON
FC108
Fig. 58 Replace regulator.
Burner and Pilot Orifice Conversion
1. Remove manifold mounting screw from burner. (Fig.
59)
2. Remove burner orifice from manifold assembly using
3/8" wrench. (Fig. 60)
3. Install conversion orifices in place of orifices just
removed.
Fig. 60 Burner orifice replacement.
CO102a
Rear Burner Orifice:
(Refer to Conversion Kit
Orifice Chart)
Front Burner Orifice:
(Refer to Conversion Kit
Orifice Chart)
Manifold
Assembly
Orifice
Fig. 59 Remove manifold assembly.
CO101b
Burner Pan
Pilot Location
Manifold Mounting
Screw