Lennox Hearth RDI-36-H, HCI-36-H Assembly Steps, PRE-INSTALLATION Notes, Clearances

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ASSEMBLY STEPS

Note: The following steps represent the normal sequence of installation. Each installation is unique, however, and might require a different sequence.

1.Position firebox prior to framing or into prepared framing.

2.Install the chimney system.

3.Connect house wiring to the fireplace for later attachment of optional blower.

4.Install optional outside combustion air kit.

5.Plumb gas line if a decorative gas appliance will be used. (Gas connections should only be performed by an experienced, licensed/certi- fied tradesman.)

6.Complete the installation, finish wall mate- rial, surround and hearth extension to your individual taste.

7.Assemble and attach optional glass door assembly.

Study the three dimensional illustration (Fig- ure 1 ) to get a general idea of each element of your fireplace system.

PRE-INSTALLATION NOTES

The fireplace may be installed directly on a combustible floor or raised on a platform of an appropriate height. Do not place fireplace on carpeting, vinyl or other soft floor coverings. It may, however, be placed on flat wood, ply- wood, particle board or other hard surfaces. Be sure fireplace rests on a solid continuous floor or platform with appropriate framing for support and so that no cold air can enter the room from under the fireplace.

The fireplace may be positioned and then the framing built around it, or the framing may be constructed and the fireplace positioned into the opening.

Usually, no special floor support is needed for the fireplace, however, to be certain:

1.Estimate the total weight of the fireplace system including chimney and surround ma- terials such as brick, stone, etc., to be in- stalled. Shipping weights for the fireplace may be found on page 18.

2.Measure the square footage of the floor space to be occupied by the system, surrounds and hearth extensions.

3.Note the floor construction, i.e. 2 x 6’s, 2 x 8’s or 2 x 10’s, single or double joists, type and thickness of floor boards.

4.Use this information and consult your local building code to determine if you need addi- tional support.

CAUTION: DO NOT BLOCK THE HEAT-CIRCU- LATING AIR INLET AND OUTLET PORTS ON CIRCULATING MODELS. DOING SO MAY RE- SULT IN A POTENTIAL FIRE HAZARD.

If you plan to raise the fireplace and hearth extension, build the platform assembly then position fireplace and hearth extension on top. Secure the platform to the floor to prevent possible shifting.

CLEARANCES

Minimum clearance to combustibles for the appliance is as follows: sides and back - 1" (25 mm), floor - 0" (0 mm), adjacent wall - 12" (305 mm), ceiling - 37-1/2" (953 mm).

INSTALLING THE FIREPLACE

Step 1. Slide the fireplace into prepared fram- ing or position fireplace in its final position and frame later.

The fireplace may not be recessed into a com- bustible floor. Maintain the floor to hearth clear- ance established by the fireplace lower front face.

Step 2. Insert the provided metal safety strips, beneath the fireplace as illustrated (Figures 6, 7 and 8 ). The safety strips should overlap 1/2" for continual coverage of the floor.

Note: Safety strips are not required when fire- place rests on a noncombustible surface.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

 

Top Spacer

 

Maintain

 

1" (25 mm)

 

Air Space

 

At Back

 

And Sides

 

Hearth

1" (25 mm) Space

Extension

 

Metal Safety Strip

Floor

Note: Hearth extensions must not interfere with circulating grillwork

Figure 6

 

 

Maintain

 

 

1" (25 mm)

 

 

Air Space

 

 

At Back

 

 

And Sides

 

 

Hearth

1" (25 mm) Space

Extension

 

Metal Safety Strip

Platform

Floor

Note: Hearth extensions must not interfere with circulating grillwork

Figure 7

Note: Install the hearth extension only as illus- trated.

The safety strips should extend from front of the fireplace at least 1-1/2" and should extend to be at least flush with the sides. In the event a wooden support is used to elevate the fireplace above the floor, a “Z” type safety strip should be fabricated and used to protect the front surface of the wood support as well as the floor beneath the hearth extension (Figures 8 and 9 ). The safety strips should be tacked down to prevent possible movement.

Note: The “Z” type safety strip is not supplied.

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Contents WH Report No. J9902-5865C-231 Wood Burning Fireplaces P/N 850,046M REV. a 12/2008Table of Contents Precautions Typical InstallationIntroduction Clearances and Height RequirementsChimney Height Assembly OutlineChase Enclosure Before You StartPRE-INSTALLATION Notes Assembly StepsInstalling the Fireplace ClearancesFront Fireplace SpecificationsLeft Side Right SideFraming Specifications Installing the Chimney System For Canadian Installations8d nails when completely installed Proceed with Steps 5 throughFor Canada Only Or Ceiling12 to 12/12 Using a FTF8-CTD Round TerminationRoof Pitch Model Flat to 6/12 FTF8 Chimney Component Calculations TEN Foot Rule SummaryMultiple Terminations Offset Calculations FTF8 Vertical Elevation ChartSpecial Offset Instructions Stabilizer Offset Elevation ChartOffset Elbow Assembly Installing OffsetsReturn Elbow Assembly Optional Equipment ConsiderationsVent Free Appliances Combustion Air KitsGas Line Connection Cold Climate Insulation Glass DoorsFireplace Finishes Mantels and TrimUsing the k formula Hearth Extension DimensionsWall Shield For the alternateSum of all R values is .70 + .10 + + .10 = Finish to Your TasteValue = 1/k = r x thickness of material used RM = rM x TS = 0.05 x 3/4 =Shipping Weight Installation ComponentsOrange, CA 850,046M REV. a 12/2008

RDI-36-H, HCI-36-H specifications

The Lennox Hearth HCI-36-H and RDI-36-H represent a pinnacle of innovation and efficiency in the world of gas fireplaces. These models are highly regarded for their combination of aesthetic appeal, advanced technology, and exceptional performance, making them an excellent choice for both new constructions and retrofitting existing spaces.

Starting with the HCI-36-H, this direct vent gas fireplace is designed for optimal heating while providing a stunning visual centerpiece. It features a sleek glass front that enhances the flame experience, showcasing the lifelike faux logs and glowing embers. The HCI-36-H is equipped with a powerful heat exchanger that maximizes heat output, ensuring your space remains warm and comfortable.

On the other hand, the RDI-36-H offers a more customizable experience. This model features a variety of decorative options, allowing homeowners to personalize their fireplace to fit their home’s aesthetic. From customizable front panels to decorative trim kits, the RDI-36-H is designed to cater to individual tastes while ensuring robust functionality.

Both models incorporate advanced technologies that improve energy efficiency and user experience. They utilize Lennox's patented flame technology, which creates a realistic fire while maintaining high efficiency. This technology also helps reduce emissions, making it an environmentally friendly choice. With an impressive efficiency rating, both units provide substantial warmth without excessive energy consumption.

User convenience is another significant aspect of these fireplaces. They come with an easy-to-use remote control, allowing you to adjust the flame height and heat output from the comfort of your couch. Additionally, the units offer a variety of safety features, including an automatic shut-off system that ensures peace of mind.

The HCI-36-H and RDI-36-H also boast a quick and straightforward installation process thanks to their direct vent capabilities, which minimize the need for extensive ductwork. This makes them ideal for existing living spaces, as well as new homes.

In conclusion, the Lennox Hearth HCI-36-H and RDI-36-H gas fireplaces epitomize the blend of design, technology, and efficiency. With features like customizable designs, advanced flame technology, and user-friendly operation, these models provide not just warmth, but a beautiful focal point that enhances any room. Whether you prioritize aesthetic or function, Lennox offers two exceptional options that cater to a variety of preferences.
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