Lennox Hearth L20 BF-2 manual Specifications Model L20 DVF-2

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SPECIFICATIONS: Model L20 DVF-2

Flue Size

4” – Top Vent

Intake Pipe

6.625” (6 5/8”)

Height Overall

30 1/2”

Height

29”

Width

23”

Depth

15”

Fuel

Natural Gas (standard)

 

(or) LP Gas (convertible).

 

Gas inlet 3/8” NPT-Male / Flex Line

 

(or) remove flex, 3/8” NPT–Female Flare.

Performance

Variable Flame Control.

Features

High Efficiency Heat Exchanger.

 

Natural Convection & Radiant Heat.

 

Standing Pilot / Operates During Power

 

Outages. Remote Control & Wall

 

Thermostat Capable.

Technical

Honeywell Combination Gas Control

Features

Valve, Millivolt - VS8520E. Safety Shut

 

Down Sensor (Reverse Flow Safety Switch).

 

Pan Burner with Tuned Ports.

 

Radiant & Fan (optional) assisted

 

convection heat.

Safety Test

Tested and certified by CSA to ANSI standards.

 

Z21.88-1998 CSA 2.33a - M98. Vented Gas Fire-

 

place Heater

Heat Input

17,000 to 26,000 BTU’s (Nat. Gas)

 

17,000 to 24,000 BTU’s (Propane)

Ship Weight

185 lb.’s

Dimensions shown are approximations only (+ / - ¼”)

Top View

Side View

SPECIFICATIONS

GAS TYPE

NATURAL GAS

PROPANE (LP)

MINIMUM CLEARANCES TO COMBUSTIBLES

Orifice Size

#40 -.098

#53-.0595”

Back Wall Min.

2 In. / 51 mm

Minimum Supply Pressure

4.5” WC

10.5” WC

Side Wall Min.

12

In. / 305 mm

Maximum Supply Pressure

10.5” WC

13.0” WC

Corner (45° angle)s

 

 

HIGH SETTING

 

 

 

stove corner to wall, min.

2 In. / 51 mm

Manifold Pressure

3.5” WC

10.0” WC

Ceiling Height Minimum

65

In. / 1651 mm

Input BTU / HR

26,000

24,000

 

Alcove Min. Height

65

In. / 1651 mm

LOW SETTING

 

 

 

Alcove Min. width

47

In. / 1194 mm

Mainfold Pressure

1.8” WC

6.6” WC

Alcove - Max. Depth into

 

 

Input BTU / HR

17,000

17,000

 

stove face to alcove opening

24

In. / 610 mm

 

 

 

 

 

 

Altitude - U.S.A. 0-4,500 Ft. (0-1372M) No derating

 

* With the orifice, manifold pressure and input ratings shown

Altitude - Canada 0-4,500 Ft. (0-1372M) No derating

 

above.

 

 

For installation higher than altitudes shown above, reorifice per Gas Codes

 

 

 

 

 

 

 

 

 

 

 

This Appliance is equipped at the factory for the use with Natural Gas or Propane (LP). Appliances using propane must be field conversed using the LP Conversion Kit supplied with appliance.

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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 Planning Your Installation Local and National Code RequirementsTool / Equipment List LOW HighQuestions to ASK the Local Building Official Manufactured Mobile Home Requirements Important NotesRear Wall or Alcove CornerVertical Termination With 2 Offsets Vertical Termination with no OffsetsHorizontal Termination With 1 Offset Installation Direct Vent System Components Model L20 DVF-2 onlyInstallation Model L20 DVF-2 only SV4MCKCony 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 Installation Check List ALL Models Verify that the gas line has been purged of airALL Models For Your Safety Read Before Lighting Care and OperationGas Control Knobs Lighting and Shutdown InstructionsCombustion Chamber Relief Door ALL Models BREAK-IN PeriodCirculation Blower Operation Parts List Propane Conversion ProcedurePropane Conversion CanadaReference Information Burner Flame AppearanceMaintenance Air Shutter Adjustment ALL Models Periodic Check of Pilot and Burner FlamesCycle unit a minimum of 2 times Pilot Flame AppearanceGAS Control and Safety System Wiring Diagram Wiring DiagramsModel L20 BF-2 Model L20 DVF-2 Troubleshooting Qualified Technicians Only ALL ModelsTroubleshooting Check List Qualified Technicians Only Model L20 BF-2 only Spill SwitchSpillage 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.