Fuel Conversion Instructions - Vermont Castings 36CDVZRRN Installation Instructions And Homeowner's Manual

Fuel Conversion Instructions

The conversion of this appliance from one gas
to another must be carried out by an authorized
service provider.
The procedure for converting from one gas to
another is the same regardless of the initial gas
used. The only variation is in the orifice sizes
and component part numbers. Your authorized
service provider will ensure the correct parts
are used.
1. Disconnect power to the unit and shut off the gas sup-
ply.
2. Remove window frame assembly.
3. Remove the lava rock and ember material. (Fig. 67)
Ember
Lava Rock
Material
Fig. 67 Remove lava rock and ember material.
4. Push the log support towards the back of the fireplace
and lift out the front log mounting assembly. (Fig. 68)
5. Remove the two (2) screws securing the rear log to the
back of the firebox. Remove the three (3) screws secur-
ing the rear log support to the back of the firebox. (Fig.
69)
Remove
Screws
Log Support & Front Log
Fig. 68 Remove rear log and log support and front log.
6. Remove the two (2) screws securing the burner tube to
the burner pan. (Fig. 69)
7. Remove the orifice from the brass elbow. Use a 9/16"
open end wrench to hold the elbow while using the 1/2"
wrench to remove the orifice. (Fig. 70)
20014621
Burner Tube
Fig. 69 Remove burner tube and rear log support.
FC111
Fig. 70 Remove orifice from brass elbow.
Front Log
CO134
Fig. 71 Adjust air shutter.
8. Install the new conversion orifice.
9. Loosen the adjusting screw that holds the air shutter to
the burner tube. Adjust air shutter to:
LP - fully open; NG - 1/8" open. (Fig. 71)
10. Install the burner tube and secure with the two (2) screws
removed earlier.
11. Burner orifice installation complete.
Pilot Conversion
NOTE: It is not necessary to remove the pilot tube for
conversion.
CO135
1. Remove pilot hood by lifting up. (Fig. 72)
2. Remove pilot orifice with the appropriate size Allen
wrench. (Fig. 73)
3. Install conversion pilot orifice.
4. Reinstall pilot hood. Be sure to align pilot hood with index
tab.
Pilot conversion installation is complete.
CDVZ Series Direct Vent Gas Fireplace
Remove
Screws
Pilot Assembly
Remove Screws
Orifice
Air Shutter Adjustment
Screw
Rear Log
Support
FC114
Brass Elbow
LP: Fully Open
NG: 1/8" Open
FC112
33