Lennox Hearth L30 DVF-2 Vent Restrictor Ring Installation, Symptoms Excessive Combustion Air

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INSTALLATION

VENT RESTRICTOR RING INSTALLATION

Recommended Restrictor Ring Placement For Optimum Stove Performance

16 Feet or Higher, Install Restrictor Ring

If total vertical venting is 16 feet or higher, install 1 restrictor ring (included) between the appliance outlet / inlet collar and first section of pipe.

Guideline for Installing Flue Restrictor Ring in Co-Axial Direct-Vent Pipe

If the total vertical venting is 16 feet or higher, installation of 1 restrictor ring is rec- ommended to improve the performance and flame asthetics of the appliance. Install the restrictor ring between the appliance outlet / inlet collar and the first section of pipe. De- pending upon the vent configuration and other variables, it may be necessary to adjust the quantity and position of the restrictor ring(s) to ensure proper operation of the ap- pliance. Be advised, product performance can be affected due to numerous factors which affect exhaust flow and air delivery, such as – gas BTU value, vent configura- tion, ambient temperature, altitude, etc.

Symptoms for Lack of Combustion Air Remove restrictor ring(s) to increase com- bustion air delivery if the following symptoms are present (first confirm input is correct, pri- mary air shutter is properly adjusted, venting system connections are secure and not blocked):

♦Flame appears yellow with black tips.

♦Floating Flames (lazy, ill-defined, quiet, may roll).

♦Sooting.

♦Pilot becomes yellow and appliance shuts down.

Symptoms - Excessive Combustion Air

Install one or more restrictor rings to reduce combustion air delivery if the following symp- toms are present:

♦Low Flame.

♦Pilot pulls and appliance shuts down.

♦Pilot flame ghosts

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Contents 775,029M Rev. B, 8/04 Freestanding Vented GAS Fired Room HeatersRetain this Manual for Future Reference Important Warnings / Cautions Table of Contents Planning Your Installation Local and National Code RequirementsTool / Equipment List LOW HighQuestions to ASK the Local Building Official Clearances to Combustible Materials Manufactured Mobile Home RequirementsRear Wall or Alcove CornerMax. Total Vertical Pipe Length 25 feet InstallationMax. Vertical Pipe Length 25 feet Vent Restrictor Ring Installation Symptoms Excessive Combustion AirDirect Vent System Components Model L30 DVF-2 SV 0 SHKVertical Vent Termination Clearances SV4MCKHorizontal Vent Termination Requirements Supply Line Size Requirements Pressure TestingGAS Supply Hookup Door Operation Glowing Embers GAS Appliance Final AssemblyInstalling LOG SET Installation Check List Adjust gap as shown in following picturePilot Assembly Care and OperationGas Control Knobs Lighting and Shutdown InstructionsBREAK-IN Period Combustion Chamber Relief DoorsCirculation Blower Operation Variable Speed Control for Air Circulation BlowerParts List Propane Conversion ProcedurePropane Conversion CanadaReference Information Burner Flame AppearanceMaintenance Air Shutter Adjustment Periodic Check of Pilot and Burner FlamesCycle unit a minimum of 2 times Pilot Flame AppearanceCirculating Blower Wiring Diagram Wiring DiagramsGAS Control and Safety System Wiring Diagram Troubleshooting Qualified Technicians Only Replacement Parts Model L30 DVF-2 Item # Description Cat. NoOptional Accessories Item # Description Catalog # ModelSafety Test Dards. Z21.88-1998 CSA 2.33a M98Vented Gas Fireplace Heater Top View Side ViewSafety / Listing Label Rating Plate Service and Maintenance LOG Ownership Records775,029M REV. B 08/2004

L30 DVF-2 specifications

The Lennox Hearth L30 DVF-2 is an impressive direct vent gas fireplace known for its aesthetic appeal and innovative technologies. This model stands out in the realm of residential heating solutions, combining efficiency, performance, and design into a singular unit that enhances any living space.

One of the primary features of the L30 DVF-2 is its efficient heating capacity. With a heating output of up to 30,000 BTUs, it effectively warms large areas while maintaining a steady and comfortable indoor climate. This model uses a direct vent system, allowing for clean and safe operation by taking air from the outside for combustion and expelling exhaust gases outside as well. This not only minimizes the risk of indoor air pollution but also allows for versatile installation options without the need for a traditional chimney.

In terms of design, the L30 DVF-2 offers a sleek and modern appearance, making it a stylish addition to any room. The fireplace features a large viewing area with a contemporary surround that can be customized in various finishes to match the décor of your home. Additionally, a variety of decorative options such as glass media and ceramic logs add to its aesthetic appeal, providing a beautiful flame presentation.

The Lennox L30 DVF-2 is also equipped with advanced technology, including an electronic ignition system that ensures reliable startups without requiring manual assistance. The fireplace can be conveniently controlled using a wall switch or remote control, allowing users to adjust the heat and flame settings with ease. The model is designed with a blower option that enhances heat distribution, helping to circulate warm air throughout the room more effectively.

Moreover, energy efficiency is a hallmark of the L30 DVF-2. Rated with a high Annual Fuel Utilization Efficiency (AFUE), this fireplace not only provides warmth but does so while minimizing energy consumption and utility costs. This efficiency extends the value of your investment by ensuring lower operating expenses over time.

Overall, the Lennox Hearth L30 DVF-2 combines cutting-edge technology, aesthetic versatility, and energy efficiency into a gas fireplace that offers both style and substance. It caters to modern homeowners looking to enhance their living spaces with a reliable and attractive heating solution.
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