Lennox Hearth CR-3835R installation instructions Fireplace Specifications, Consult all local codes

Page 6

IMPORTANT: UNDER NO CIRCUMSTANCES CAN THE FIREPLACE TOP SPACERS (FIGURE 6 ) BE REMOVED OR MODIFIED, NOR MAY YOU NOTCH THE HEADER TO FIT AROUND OR BE INSTALLED LOWER THAN THE SPAC- ERS. THE HEADER MAY BE IN DIRECT CON- TACT WITH THE TOP SPACERS BUT MAY NOT BE SUPPORTED BY THEM.

Note: The framed depth, 24 (610 mm) from a framed wall, must always be measured from a finished surface. If a wall covering such as

FIREPLACE SPECIFICATIONS

17 1/2"

(445mm)

40 1/2"

(1029mm)

37 3/8"

(949mm)

32 7/8" 21" (835mm)

(533m)

drywall is to be attached to the rear wall, then the 24" (610 mm) must be measured from the drywall surface. It is important that this di- mension be exact.

If the appliance is to be elevated above floor level, a solid continuous platform must be constructed.

The header may rest on the top metal spacers, but must not be notched to fit around them.

Consult all local codes.

For Canadian Installations Proceed with Steps 4 through 7.

327/8" (835mm) 21"

(533m)

38 5/8"

 

(981mm)

6"

42 3/4"

(152mm)

(1086mm)

 

Right Corner Opening

17 1/2"

(445mm)

40 1/2"

(1029mm)

37 3/8"

(949mm)

Step 4. Attach the chimney collar enclosure kit, Model CCK1, around chimney collar with the screws provided (Figure 10 ).

Enclosure

Box

6"

(152mm)

10" (254mm)

385/8"

(981mm)

423/4"

(1086mm)

Left Corner Opening

10"

(254mm)

6

Figure 10

Step 5. Connect the 4" (102 mm) Class 0 air duct provided to the collar on the chimney collar enclosure with the screws provided in the hardware kit.

40 1/4"

(1022mm)40 1/4" (1022mm)

7 1/2

(191mm)

19 7/8"

(505mm)

10 1/2" (267mm)

Closed End

Open End

35"

(889mm)

10"

(254mm)

15" 24"

(381mm)(610mm)

42 3/4"

(1086mm)

Top View

Figure 11

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

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Contents Retain These Instructions For Future Reference Wood Burning Fireplaces 850,048M REV. N/C 01/2007OTL Report No -F-20-4 Table of Contents General Information Typical InstallationIntroduction Chimney Clearances and Mantel Height RequirementsChase Enclosure Assembly OutlineChimney Height Before You StartInstalling the Fireplace Assembly StepsPRE-INSTALLATION Notes Fireplace ClearancesFireplace Specifications Consult all local codesFraming Specifications Installing the Chimney System 8d Nail Or EquivalentRoom Above Firestop Spacer Attic Above Or Ceiling 51mm** See **Note Min. Air Space to CombustiblesStabilizer Roof Pitch Using a CTD Round TerminationUsing a FTF8/10-CTDT Chase Termination Flat to 6/12FTF8 and FTF10 Chimney Component Calculations TEN Foot Rule SummaryMultiple Terminations Special Offset InstructionsOffset Calculations Return Elbow Max Stabilizer 10 Max OffsetInches FTF8 Vertical Elevation ChartNumber Of FTF8 Inches Feet/Inches MetersChimney Only FTF10 Vertical Elevation ChartNumber Of FTF10 Chimney OnlyFTF8 Offset Elevation Chart With FTF8-SS Starter Section FTF8-S4Inches Section FTF10 Offset Elevation ChartJoints FTF10-ES30 Number of FTF10Return Elbow Assembly Installing OffsetsOffset Elbow Assembly Combustion Air KitsFireplace Finishes Glass DoorsCold Climate Insulation Mantels and Trim12 305 mm Hearth Extension Dimensions 20 508 mm 38 965 mm203 mm Methods of Determining Hearth Extension and Wall ShieldRM = rM x TS = 0.05 x 3/4 = Finish to Your TasteValue = 1/k = r x thickness of material used ModelInstallation Components Cold Climate Kit 63L63 Chase Termination 63L51Square 63L52 63L29Page 850,048M REV. N/C 01/2007 Orange, CA

CR-3835R specifications

The Lennox Hearth CR-3835R is a contemporary gas fireplace that exemplifies modern design and advanced technology, creating an ideal centerpiece for any stylish living space. This model seamlessly combines aesthetic appeal with functional efficiency, making it a sought-after choice for homeowners looking to enhance their interiors.

One of the standout features of the CR-3835R is its impressive heat output. With a heating capacity of up to 35,000 BTUs, this fireplace effectively warms up areas ranging from 1,000 to 1,500 square feet, ensuring comfort during chilly months. The adjustable flame height allows users to customize the ambiance according to their preferences, providing a cozy atmosphere or a striking visual display.

The CR-3835R boasts an advanced design that incorporates a sealed firebox. This feature not only improves energy efficiency but also ensures that outdoor air doesn't compromise indoor air quality. The fireplace utilizes an electronic ignition system, which enhances convenience and reliability. With the ability to operate even during power failures, the CR-3835R is a dependable addition to any home.

Another notable characteristic of the Lennox Hearth CR-3835R is its use of high-quality materials. The fireplace is constructed with durable steel and features a refined glass front, allowing an unobstructed view of the flames. The elegant design is complemented by customizable finishing options, enabling users to select styles that align with their interior decor.

In terms of safety, the CR-3835R includes features such as a built-in safety shut-off valve, providing peace of mind for homeowners. The fireplace is also certified for use in a variety of settings, including conventional and direct vent applications. This versatility makes it suitable for a range of installation options.

Moreover, the Lennox Hearth CR-3835R is designed with user-friendly controls, including remote operation capabilities. This function allows for effortless adjustment of settings from the comfort of one's seat, adding an extra layer of convenience to the overall experience.

In summary, the Lennox Hearth CR-3835R combines stylish design, high efficiency, and advanced technology. Its impressive heat output, customizable features, and user-friendly operation make it an excellent choice for those seeking a modern gas fireplace that enhances both comfort and aesthetics in their home. With the CR-3835R, homeowners can enjoy the warmth and ambiance of a traditional fireplace, redefined for contemporary living.
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