Lennox Hearth L20 BF-2, L20 DVF-2 manual Reference Information, Burner Flame Appearance

Page 19

PROPANE CONVERSION

7.High / Low Pressure Regulator Installation Procedure:

a.Remove regulator cap and conversion screw (see follow- ing illustration).

b.Install the new conversion screw (Red = Propane LP gas, Blue = Natural Gas). Ensure that the conversion screw is finger tight. Install the new regulator cap.

c.Affix conversion label on gas control valve body where it can easily be seen.

 

Conversion

Color Code

 

 

Screw

 

 

 

 

 

Propane

Natural

 

 

 

 

Gas

 

 

 

Red

Blue

 

 

 

 

 

 

8.Reinstall burner cover, logs, ember wool / ceramic rocks and glass front.

9.Purging Air from Supply Line:

This should only be done by a qualified (& licensed where applicable) professional. Check with your local building official for qualifications required to perform this proce- dure.

10.Purge air from the gas line (see #9 above), then connect propane gas line to the appliance. Connect the fuel line to the insert inlet (1/2” NPT fitting) using the fitting required.

11.Perform leak Test.

CAUTION : After this procedure is complete with appli- ance installed and connected to gas line, recheck the pilot connection and manifold fittings for leaks, using soapy water or a gas leak detector.

4.Lighting Procedure-See page 15.

NOTE: If the gas control knob is turned to the “off” posi- tion after pilot has been lit, the appliance must be allowed to cool for at least five minutes before pilot flame can be relit.

13. Apply the propane conversion label to the rating label.

The Appliance is ready for use with propane fuel as its only fuel.

REFERENCE INFORMATION

See pages 4, 27 and 28 of this manual for the following refer- ence information:

Manifold Gas Pressure

Inlet Gas Pressure

Input Ratings

BURNER FLAME APPEARANCE

A periodic visual check of burner flames should be performed. The burner flame should appear as indicated on page 21 - Burner Flame Appearance.

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Contents Retain this Manual for Future Reference Freestanding Vented GAS Fired Room Heaters775,021M Rev. C, 8/04 Important Warnings / Cautions Table of Contents LOW High Planning Your InstallationLocal and National Code Requirements Tool / Equipment ListQuestions to ASK the Local Building Official Corner Manufactured Mobile Home RequirementsImportant Notes Rear Wall or AlcoveVertical Termination With 2 Offsets Vertical Termination with no OffsetsHorizontal Termination With 1 Offset Direct Vent System Components Model L20 DVF-2 only InstallationSV4MCK Installation Model L20 DVF-2 onlyCony Model L20 BF-2 only Vent Configuration RequirementsFor vent termination requirements, see GAS Supply Hookup ALL Models Pressure TestingSupply Line Size Requirements Door Operation ALL Models Installing LOG SET GAS Appliance Final Assembly ALL ModelsGlowing Embers Verify that the gas line has been purged of air Installation Check List ALL ModelsLighting and Shutdown Instructions ALL Models For Your Safety Read Before LightingCare and Operation Gas Control KnobsCombustion Chamber Relief Door ALL Models BREAK-IN PeriodCirculation Blower Operation Canada Parts ListPropane Conversion Procedure Propane ConversionBurner Flame Appearance Reference InformationMaintenance Pilot Flame Appearance Air Shutter AdjustmentALL Models Periodic Check of Pilot and Burner Flames Cycle unit a minimum of 2 timesGAS Control and Safety System Wiring Diagram Wiring DiagramsModel L20 BF-2 Model L20 DVF-2 ALL Models Troubleshooting Qualified Technicians OnlyTroubleshooting Check List Qualified Technicians Only Model L20 BF-2 only Spill SwitchSpillage Test Procedure Item # Catalog # Description Where Used Replacement Parts Models L20BF-2 & L20 DVF-2Item # Catalog # Model Description Optional Accessories Models L20BF-2 & L20 DVF-2Top View Side View Specifications Model L20 BF-2Specifications Model L20 DVF-2 SAFETY/ Listing Label Rating Plate SAFETY/ Listing Label Rating Plate Ownership Records Service and Maintenance LOG775,021M 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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