Vermont Casting 20DVT Proceeding, Nova SIT820 Valve Conversion, Burner Orifice Conversion

Page 22

Brookhaven Direct Vent Gas Fireplace

Conversions must be completed by qualified personnel

Fuel Conversion Instructions

 

E

 

 

 

To convert the 20DVT unit 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

O

TO IL

 

 

 

 

OFF

 

 

 

 

P

 

proceeding.

 

 

 

 

1. Remove window frame assembly. (Refer to “Window

 

 

D

Frame Assembly Removal”, Page 17, Fig. 30)

 

 

 

2. Remove logs if previously installed.

 

 

 

NOVA SIT820 Valve Conversion

F

 

 

1. Using the TORX T20 bit, remove and discard the

 

 

 

 

 

three (3) pressure regulator mounting screws (A),

 

 

FC108

pressure regulator tower (B) and the spring and

Fig. 38 Replace regulator.

 

 

diaphragm assembly (C). (Fig. 37)

 

 

Burner Orifice Conversion

 

 

 

 

A

 

1. Remove two (2) burner housing assembly mounting

 

 

screws. (Fig. 39)

 

 

 

B

2. Lift burner housing up and remove burner orifice

 

 

from manifold assembly using 7/16” wrench. (Fig.

 

 

39)

 

 

 

C

Burner Orifice

 

Pilot Location

 

 

(Refer to Conversion Kit

 

 

 

 

 

Orifice chart)

 

 

OFF

 

 

 

P

 

 

 

 

I

 

 

 

O TO

L

 

 

 

 

 

 

 

 

 

Burner Hous-

 

 

 

ing Mounting

 

 

 

Screw

 

FC107

Fig. 37 Remove mounting screws, pressure regulator tower and spring and diaphragm assembly.

2. Insure the rubber gasket (D) is properly positioned

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and install the new HI/LO pressure regulator assem-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Housing Assembly

FP1630

bly to the valve using the new screws (E) supplied

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 39 Burner housing assembly.

 

with the kit. Tighten the screws securely. (Ref. torque

 

= 25 in/lb) (Fig. 38)

3. Install conversion orifices in place of orifices just

3. Install the enclosed conversion label (F) to the valve

removed.

 

body where it can easily be seen. (Fig. 38)

 

4. Air shutter settings should be:

 

Valve conversion is complete.

 

Natural Gas: sides and bottom half open

 

LP: Side and bottom half open

5. Reinstall manifold to burner pan.

NOTE: It is not necessary to remove the pilot tube for conversion.

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Contents Brookhaven Direct Vent Model 20DVT Table of Contents Locating Your Fireplace Installation & Operating InstructionsPlease Review the Following Carefully Framing Dimensions 20DVT Fireplace Dimensions20DVT Mantels Clearance to CombustiblesHearth Final Finishing Gas Line InstallationFraming and Finishing Gas SpecificationsGeneral Venting Remote ON/OFF SwitchLocation of Vent Termination Canadian Installations1 US Installations2 General Venting Information Termination LocationGeneral Information Assembling Vent Pipes Canadian InstallationsUSA Installations Flex Vent PipesVertical Sidewall Applications How to Use the Vent GraphTwist Lock Pipes Example aTotal angular variation = Vertical Sidewall Installation Twist Lock PipeStep Always install horizontal venting on a level plane Zero clearance sleeve is only required for combustible wallsVertical Sidewall Installation Flex Vent Pipe Below Grade InstallationsVertical Through-the-Roof Installation Vertical Through-the-Roof ApplicationVenting supports Venting Components Operating Instructions Glass CleaningWindow Frame Assembly Removal Glass InformationLog Installation Installation of LogsLog Identification Chart Logs 20DVTLarge Lava Rock Flame & Temperature AdjustmentFlame Characteristics Inspecting the Venting SystemTo Turn Off Gas To Heater What to do if YOU Smell GASTroubleshooting the Gas Control System SIT Nova 820 Millivolt ValveNova SIT820 Valve Conversion ProceedingBurner Orifice Conversion Pilot Orifice Conversion Cleaning the Standing Pilot Control System MaintenanceBurner and Burner Compartment Description 8a,b 7a,b20DVT Fuel Conversion KitsCeramic Refractory Panels Optional Accessories AvailableRemote Controls Optional Trim KitsBrookhaven Direct Vent Gas Fireplace Brookhaven Direct Vent Gas Fireplace Brookhaven Direct Vent Gas Fireplace Product Covered by this Warranty If Warranty Service is NEEDED…Efficiency Ratings AFUE%