Vermont Casting NV360 - Manual (Page 17)

17
Vermont Castings Majestic Products NV360/580 Series
20003565
Fuel Conversion Procedure
Honeywell Valve Only
This conversion is for the NV360/580 equipped with a
Honeywell valve only. 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 bottom grille to gain access to valve. Remove
glass door. (See "Window Frame Assembly Re-
moval", Page 10, Fig. 10)
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.
21)
4. Remove the screw from center of Hi/Lo knob with
small screwdriver turning counterclockwise. (Fig. 21)
5. Insert conversion screw supplied in kit. Blue for
Natural Gas and Red for LP Gas.
6. Tighten screw, replace cap.
7. Remove manifold mounting screw from burner. (Fig.
22)
8. Remove burner orifice from manifold assembly using
3/8" wrench. (Fig. 23)
9. Install conversion orifices in place of orifices just
removed.
10. Remove both air shutters from burner pan by
removing shutter retaining screw then air shutter.
(Fig. 24)
Fuel conversion must be completed by qualified personnel
LO
HI
LO
HI
Hi-Lo Knob
Cap
Lift Open
Remove
Center Screw
CO100
Fig. 21 Removing center screw from Hi/Lo knob.
Manifold
Assembly
Orifice Log Support
NV580 Pilot Location
CO101a
Burner Pan
NV360 Pilot Location
Manifold Mounting
Screw
Fig. 22 Removing manifold assembly.
CO102a
Rear Burner Orifice:
#53 (NV360)
#51 (NV580)
Front Burner Orifice:
#74 (NV360)
#65 (NV580)
Fig. 23 Remove burner orifice, replace with LP orifice.
Fig. 24 Remove air shutter from burner pan.
Shutter
Retaining
Screw Burner Pan
Air Shutter
Front View
CO103
Shutter Retaining Screw
Slots Covered
Burner
Pan
One (1) Hole Closed
Holes Open
Natural Gas
Front View
Holes Open
Holes Open
Burner Pan
NV360
Burner Pan
NV580
Shuter
Retaining
Screw
Slots Open
Front View
Top View
CO110
Fig. 25 Install conversion air shutters.
11. Install air shutters supplied in kit on burner pan.
Replace shutter retaining screw. For conversion to
Natural Gas adjust new air shutters so slots are
covered. For conversion to Propane Gas, adjust new
air shutters so slots are open. NOTE: NV360 air
shutter has only one hole, closed. Secure shutter
retaining screws. (Fig. 25)
12. Re-install manifold to burner pan.
NOTE: It is not necessary to remove the pilot tube
for conversion.