Lennox Hearth L20 DVF-2, L20 BF-2 manual Important Warnings / Cautions

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IMPORTANT WARNINGS / CAUTIONS

CAUTION: READ THIS MANUAL THOROUGHLY BEFORE STARTING INSTALLATION. FOR YOUR SAFETY, FOLLOW THE INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS EXACTLY WITHOUT DE- VIATION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A POSSIBLE FIRE HAZARD AND MAY VOID THE WARRANTY. IF THIS APPLIANCE IS NOT PROPERLY INSTALLED, A HOUSE FIRE MAY RE- SULT. CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION IN- SPECTION IN YOUR AREA.

1.WARNING: IMPROPER ASSEMBLY, INSTALLATION, AD- JUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE INJURY AND / OR PROPERTY DAMAGE. IN- STALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER. EXCEPT WHEN COMPLYING WITH LOCAL CODES, ANY DEVIATION FROM THE INSTALLATION AND / OR OPERATING INSTRUCTIONS CONTAINED IN THIS MANUAL WILL VOID THE APPLIANCE WARRANTY AND MAY BE HAZARDOUS.

2.DUE TO HIGH TEMPERATURES, THIS APPLIANCE SHOULD BE LOCATED OUT OF TRAFFIC AND AWAY FROM FURNI- TURE, DRAPERIES AND NOT IN WINDY OR DRAFTY AREAS.

3.THE APPLIANCE MUST NOT BE CONNECTED TO A CHIM- NEY FLUE SERVING A SEPARATE SOLID-FUEL BURNING APPLIANCE.

4.MODEL L20 DVF-2 IS EQUIPPED WITH A RELIEF DOOR IN CASE OF DELAYED IGNITION BLOWBACK. IF THE RELIEF DOOR OPENS, REMOVE BACK PANEL AND INSPECT FOR GASKET DAMAGE. IF NECESSARY, REPLACE WITH FAC- TORY SUPPLIED GASKET ONLY. CONFIRM RELIEF DOOR IS CLOSED AND PROPERLY SEATED, THEN REPLACE BACK PANEL.

5.CAUTION: HOT WHILE IN OPERATION. AN APPLIANCE HOT ENOUGH TO WARM YOUR HOME CAN SEVERELY BURN ANYONE TOUCHING IT. KEEP CHILDREN, CLOTHING AND FURNITURE AWAY. CONTACT MAY CAUSE SKIN BURNS. DO NOT LET CHILDREN TOUCH THE APPLIANCE. TRAIN THEM TO STAY A SAFE DISTANCE FROM THE UNIT.

6.DO NOT PLACE CLOTHING OR OTHER FLAMMABLE MATE- RIAL ON OR NEAR THE GAS APPLIANCE. THE MINIMUM CLEARANCES MUST BE MAINTAINED FOR ALL COMBUSTI- BLE SURFACES AND MATERIALS INCLUDING; FURNITURE, CARPET, DRAPES, CLOTHING, WOOD, PAPERS, ETC.

7.NEVER SEAL THE OPENING AT THE REAR OF THE STOVE.

8.DO NOT CONNECT 110-12 VAC (RESIDENTIAL LINE VOLT-

AGE) TO THE GAS CONTROL VALVE OR CONTROL WIRING SYSTEM OF THE UNIT.

9.ANY SAFETY SCREEN OR GUARD REMOVED FOR SERVIC- ING MUST BE REPLACED PRIOR TO OPERATING THE AP- PLIANCE.

10.WARNING: USE ONLY THE GLASS DOOR CERTIFIED WITH THIS APPLIANCE. EXERCISE CAUTION TO PROTECT GLASS FROM IMPACT. DO NOT OPERATE THE APPLI- ANCE WITH BROKEN GLASS OR USE SUBSTITUTE MATE- RIALS.

11.DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER WATER. IMMEDIATELY CALL A QUALIFIED SER- VICE TECHNICIAN TO INSPECT THE APPLIANCE AND RE- PLACE ANY PART OF THE CONTROL SYSTEM AND GAS CONTROL WHICH HAS BEEN UNDER WATER.

12.DO NOT BURN WOOD OR OTHER MATERIAL IN THIS HEATER.

13.WARNING: THE APPLIANCE AREA MUST BE KEPT CLEAR AND FREE FROM COMBUSTIBLE MATERIALS, GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS.

14.DO NOT USE A BLOWER INSERT, HEAT EXCHANGER IN- SERT OR OTHER ACCESSORY NOT APPROVED FOR USE WITH THIS APPLIANCE.

15.THIS APPLIANCE IS NOT FOR USE WITH AIR FILTERS.

16.ANY CHANGE TO THIS HEATER OR ITS CONTROLS CAN BE DANGEROUS.

17.THIS APPLIANCE SHOULD BE INSPECTED AND MAIN- TAINED AT LEAST ANNUALLY BY A PROFESSIONAL SER- VICE PERSON. MORE FREQUENT CLEANING MAY BE RE- QUIRED DUE TO EXCESSIVE LINT FROM CARPETING, BEDDING MATERIAL, ETC. IT IS IMPERATIVE THAT CON- TROL COMPARTMENTS, BURNERS AND CIRCULATING AIR PASSAGEWAYS OF THE APPLIANCE BE KEPT CLEAN.

18.THIS APPLIANCE IS ONLY FOR USE WITH THE TYPE OF GAS INDICATED ON THE RATING LABEL (LOCATED IN- SIDE CONTROL PANEL). THIS APPLIANCE IS NOT CON- VERTIBLE FOR USE WITH OTHER FUEL UNLESS A CERTI- FIED KIT IS USED.

19.CAUTION: UNDER NO CIRCUMSTANCES SHOULD THESE APPLIANCES BE VENTED TO OTHER ROOMS OR BUILD- INGS. THESE APPLIANCES MUST ONLY BE VENTED TO THE OUTSIDE. VENT TERMINATIONS SHALL NOT BE RE- CESSED INTO A WALL OR SIDING.

20.WARNING: THESE APPLIANCES MUST BE PROPERLY CONNECTED TO A VENTING SYSTEM. OPERATION OF THESE GAS APPLIANCES WHEN NOT CONNECTED TO A PROPERLY INSTALLED AND MAINTAINED VENTING SYS- TEM CAN RESULT IN CARBON MONOXIDE (CO) POISON- ING AND POSSIBLE DEATH.

21.WARNING: DO NOT MODIFY THE VENTING SYSTEM, AP- PLIANCE, OR CONTROLS IN ANY WAY. BE ADVISED, ANY MODIFICATION CAN BE DANGEROUS.

22.IMPORTANT: DO NOT EXCEED THE MAXIMUM HORIZON- TAL RUNS ALLOWED.

23.SAVE THESE INSTRUCTIONS.

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Contents 775,021M Rev. C, 8/04 Freestanding Vented GAS Fired Room HeatersRetain this Manual for Future Reference 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 CornerHorizontal Termination With 1 Offset Vertical Termination with no OffsetsVertical Termination With 2 Offsets Installation Direct Vent System Components Model L20 DVF-2 onlyInstallation Model L20 DVF-2 only SV4MCKCony For vent termination requirements, see Vent Configuration RequirementsModel L20 BF-2 only Supply Line Size Requirements Pressure TestingGAS Supply Hookup ALL Models Door Operation ALL Models Glowing Embers GAS Appliance Final Assembly ALL ModelsInstalling LOG SET 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 InstructionsCirculation Blower Operation ALL Models BREAK-IN PeriodCombustion Chamber Relief Door 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 AppearanceModel L20 BF-2 Model L20 DVF-2 Wiring DiagramsGAS Control and Safety System Wiring Diagram Troubleshooting Qualified Technicians Only ALL ModelsSpillage Test Procedure Model L20 BF-2 only Spill SwitchTroubleshooting Check List Qualified Technicians Only 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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