Lennox Hearth L20 DVF-2, L20 BF-2 manual Parts List, Canada, Propane Conversion Procedure

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PROPANE CONVERSION

PROPANE CONVERSION PROCEDURE (ALL MODELS) (Only required if Propane gas is used)

This appliance is designed to operate on natural gas, or propane (LP). It is factory set for use with natural gas and requires field conversion for use with propane. The use of other fuels or com- bination of fuels will degrade the performance of this system and may be dangerous.

When converting to Propane Gas (LP), it may be necessary to install (as a minimum) 3 feet of vertical pipe from the appli- ance prior to an offset to ensure optimum product performance. This may be necessary due to variations in vent configuration and other numerous factors which affect exhaust flow and air delivery such as BTU value, ambient temperature, wind condi- tions, altitude, etc.

The conversion kit provided with this appliance contains com- ponents required to convert this appliance from use with natural gas to use with propane (LP) Gas. All of the components in the propane conversion kit must be installed in order for the appli- ance to operate safely on propane.

Installation Tools / Supplies 7/16” Open end wrench Small standard screwdriver

Pipe sealant compound (must be rated for use with LPG gas)

Parts List

•Propane RB Regulator conversion screw (Red indicates LP gas)

•Burner Orifice (If you are at an elevation above 4500 feet do not use the orifice provided in this kit. Contact your gas supplier to obtain a smaller orifice)

•Pilot Orifice

•Label, Converted to (LP) Propane – Affix to valve

•Label, Converted to (LP) Propane – Affix to stove body

Avertissement: cet équipement de conversion sera installé par une agence qualifiée de service conformément aux instructions du fabricant et toutes exigences et codes applicables de l’autorisés avoir la juridiction. Si l’information dans cette in- struction n’est pas suivie exactement, un feu, explosion ou pro- duction de protoxyde de carbone peut résulter le dommages causer de propriété, perte ou blessure personnelle de vie. L’agence qualifiée de service est esponsable de l’installation propre de cet équipment. L’installation n’est pas propre et compléte jusqu’à l’opération de l’appareil converti est chéque suivant les critères établis dans les instructions de propriétaire provisionnées avec l’équipement.

IN CANADA:

The conversion shall be carried out in accordance with the re- quirements of the provincial authorities having jurisdiction and in accordance with the requirements of the CAN1-B149.1 and .2 Installation code.

La conversion devra être effectuée conformément aux recom- mandations des autorités provinciales ayant juridiction et con- formément aux exigences du code d’installation CAN1-B149.1 ET.2.

PROPANE Conversion Procedure

1.Turn off Gas - Turn gas control knob to the off position, and shut off the gas supply to the valve. If necessary, disconnect appliance from gas supply.

2.Caution: The gas supply shall be shut off prior to disconnect- ing the electrical power, before proceeding with the conver- sion. Unplug blower power cord.

3.If the installation is at an elevation below 4500 feet, proceed to step 4. If you are at an elevation above 4500 feet, do not use the orifice provided in this kit. Contact your gas supplier to obtain a smaller orifice).

4.Burner Orifice Installation Procedure:

a.Remove glass door.

b.Remove logs, burner cover, and burner.

c.Use a 7/16” open-end wrench to remove gas burner ori- fice.

d.Replace the burner orifice with the appropriate burner orifice (see instruction #3).

e.Use pipe sealing compound rated for LP gas. BE VERY CAREFUL THAT THE PIPE COMPOUND DOES NOT GET INSIDE OF THE ORIFICE (THIS COULD RESULT IN PLUGGING OF THE ORIFICE). Using a 7/16” open-end wrench to tighten orifice - DO NOT OVER TIGHTEN (fin- ger tight, then 1/2 turn maximum). *Make sure the ori- fice is inserted fully into the primary air shutter fixed opening.

5.Adjust primary air shutter. Burner Air Shutter opening to be: Natural Gas – 1/4 open, Propane 1/2 open. Some adjustment from standard may be necessary for the desired flame char- acteristics (see Burner Flame Appearance, page 21).

6.Replace Pilot Orifice - Using a 7/16” open-end wrench, re- move the pilot burner hood. Replace the pilot orifice with the one supplied in the propane conversion kit. Then, reinstall the pilot burner hood. Ensure that the mark on the pilot hood is lined up with the mark on the pilot mounting plate.

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Contents Freestanding Vented GAS Fired Room Heaters Retain this Manual for Future Reference775,021M Rev. C, 8/04 Important Warnings / Cautions Table of Contents Tool / Equipment List Planning Your InstallationLocal and National Code Requirements LOW HighQuestions to ASK the Local Building Official Rear Wall or Alcove Manufactured Mobile Home RequirementsImportant Notes CornerVertical Termination with no Offsets Vertical Termination With 2 OffsetsHorizontal Termination With 1 Offset Installation Direct Vent System Components Model L20 DVF-2 onlyInstallation Model L20 DVF-2 only SV4MCKCony Vent Configuration Requirements Model L20 BF-2 onlyFor vent termination requirements, see Pressure Testing GAS Supply Hookup ALL ModelsSupply Line Size Requirements Door Operation ALL Models GAS Appliance Final Assembly ALL Models Installing LOG SETGlowing Embers Installation Check List ALL Models Verify that the gas line has been purged of airGas Control Knobs ALL Models For Your Safety Read Before LightingCare and Operation Lighting and Shutdown InstructionsALL Models BREAK-IN Period Combustion Chamber Relief DoorCirculation Blower Operation Propane Conversion Parts ListPropane Conversion Procedure CanadaReference Information Burner Flame AppearanceMaintenance Cycle unit a minimum of 2 times Air Shutter AdjustmentALL Models Periodic Check of Pilot and Burner Flames Pilot Flame AppearanceWiring Diagrams GAS Control and Safety System Wiring DiagramModel L20 BF-2 Model L20 DVF-2 Troubleshooting Qualified Technicians Only ALL ModelsModel L20 BF-2 only Spill Switch Troubleshooting Check List Qualified Technicians OnlySpillage Test Procedure Replacement Parts Models L20BF-2 & L20 DVF-2 Item # Catalog # Description Where UsedOptional Accessories Models L20BF-2 & L20 DVF-2 Item # Catalog # Model DescriptionSpecifications Model L20 BF-2 Top View Side ViewSpecifications Model L20 DVF-2 SAFETY/ Listing Label Rating Plate SAFETY/ Listing Label Rating Plate Service and Maintenance LOG Ownership Records775,021M REV. C 08/2004

L20 DVF-2, L20 BF-2 specifications

The Lennox Hearth L20 DVF-2 and L20 BF-2 are two innovative gas fireplaces that offer modern heating solutions for homes looking to combine functionality, style, and efficiency. Both models are designed with advanced technology to deliver reliable performance and aesthetics that enhance any living space.

The L20 DVF-2 is a direct vent fireplace that utilizes a sealed combustion system, allowing it to operate efficiently without drawing air from the room. This feature not only improves energy efficiency but also helps maintain indoor air quality since outside air is used for combustion. One of its standout features is the ability to provide a range of heat output options, allowing homeowners to adjust the warmth to their preference. The fireplace comes with a convenient remote control, enabling effortless operation from anywhere in the room.

The L20 BF-2, on the other hand, is a conventional vent fireplace, offering a different installation option ideal for various home designs. Similar to the DVF-2, the BF-2 model provides a wide range of heat output, ensuring comfort in chilly conditions. It features a striking design with a large viewing area, allowing for a mesmerizing flame display that serves as a focal point in any room.

Both models are equipped with Lennox's patented Powerflow technology, which optimizes heat distribution throughout the space. This technology not only enhances comfort but also ensures that energy is used efficiently. The fireplaces also feature easy-to-use controls and customizable flame height settings, giving users precise control over their heating experience.

In terms of design, the L20 DVF-2 and L20 BF-2 come in various finishes and styles, allowing them to seamlessly blend with different home aesthetics. Their sleek and contemporary appearance complements modern interiors, while still fitting into more traditional décor in subtle ways.

Overall, the Lennox Hearth L20 DVF-2 and L20 BF-2 provide effective heating solutions paired with advanced technologies and stylish designs. Whether a homeowner desires a direct vent option or a traditional vent fireplace, both models deliver energy-efficient performance, exceptional heat distribution, and a stunning flame display that can enhance the ambiance of any living space. These fireplaces are not just heating appliances; they are an investment into comfort and elegance for years to come.
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