Lennox Hearth LMDV-4035-CNM Minimum Clearances to Combustibles, Appliance and Vent Clearances

Page 7

Minimum Clearances to Combustibles

 

 

 

 

 

Hearth Extension A hearth extension is not required with this appliance. If a hearth extension is

Appliance and Vent Clearances

used, do not block the lower control compartment door. Any hearth extension used is for appearance

The appliance is approved with zero clearance to

only and does not have to conform to standard hearth extension installation requirements.

combustible materials on all sides (as detailed in

 

 

 

 

 

 

 

 

 

 

Wall Finishes / Surrounds / Mantels

 

 

 

 

 

Table 8), with the following exception: When the

Note: Combustible wall finish materials and/or surround materials must not be allowed to encroach

unit is installed with one side flush with a wall, the

the area defined by the appliance front face (black sheet metal). Never allow combustible materials

wall on the other side of the unit must not extend

to be positioned in front of or overlapping the appliance front face. See Figure 61 on Page 30.

beyondthefrontedgeoftheunit.Inaddition,when

Non-combustible materials, such as surrounds and other appliance trim, may be installed on the

the unit is recessed, the side walls surrounding

the unit must not extend beyond the front edge

appliance front face with these exceptions: they must not cover any portion of the removable glass

of the unit. See Figure 4.

 

panel or louvers.

 

 

 

 

 

 

 

 

 

Vertical installation clearances to combustible mantels vary according to the depth of the mantel.

MINIMUM CLEARANCES Inches (millimeters)

See Figure 8. Mantels constructed of non-combustible materials may be installed at any height

 

Back

1/2 (13)

above the appliance opening; however, do not allow anything to hang below the hood.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 (0) Spacers

 

 

 

 

 

 

 

 

 

 

 

Sides

1/2 (13)

 

 

 

Mantel Depth

 

 

inches (millimeters)

 

 

 

0 (0) Spacers

 

14 (356)

 

 

 

 

 

 

 

 

 

Top Spacers

0 (0)

 

12 (305)

 

 

 

 

 

 

 

 

 

Floor

0 (0)

 

 

 

 

 

 

 

 

 

 

 

 

 

10 (254)

 

 

 

 

 

 

 

 

Bottom of Appliance

64 (1626)

 

 

 

 

 

 

 

 

 

 

To Ceiling

 

 

 

 

 

 

 

 

 

 

 

 

 

8 (203)

 

 

 

 

 

Top of

 

 

 

Vent

3 (76) Top *

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 (25.4) Sides & Bottom

 

6 (152)

 

 

 

 

 

Appliance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 (102)

 

 

 

 

 

 

 

 

 

SERVICE CLEARANCES Feet (meters)

 

 

 

 

 

 

 

 

 

 

Front

3 ft. (0.9 m)

 

 

 

 

 

 

 

 

 

 

 

 

12

10

8

6

4

2

 

 

 

Table 8

 

 

(305)

(254)

(203)

(152)

(102)

(51)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Note: 3 in. (75 mm) above any horizontal/in-

Note - Hood shown as positioned with louvered panels.

 

 

clined vent component.

 

 

 

**Note: See Page 8, Step 1 for clearance

 

 

 

 

 

 

 

 

 

 

Figure 8 - Minimum Mantel Clearances

 

 

 

requirements to the nailing flange located

 

 

 

at each side of the unit and any screw heads

 

 

 

 

 

 

 

 

 

 

adjacent to it.

 

Model No.

 

Combustible Shelf Height - Inches (millimeters)

Minimum Distance to Unprotected Side Wall

Top Vent - with One 90 Degree Elbow

Rear Vent - Straight Out the Back

Combustible materials may project beyond the sides of the fire-

 

 

 

 

 

 

 

 

 

 

 

Secure Vent

 

Secure Flex

 

Secure Vent

Secure Flex

place opening as long as they are kept within the shaded areas

 

 

 

 

(flex elbow)

 

 

 

illustrated

here.

 

 

LMDVT-3328

*44-1/2 (1130)

*46-1/4 (1175)

N/A

N/A

At 14" minimum

At 8-1/4" side

 

 

 

 

 

 

 

 

 

 

 

LMDVR-3328

N/A

 

 

N/A

 

33-1/4 (845)

33-1/4 (845)

side wall clearance,

 

 

 

 

 

 

 

 

 

 

a combustible wall

wall clearance, a

Top View of

LMDV-3530

*46-1/2 (1181)

*48-1/4 (1226)

35-1/4 (895)

35-1/4 (895)

can project to any

combustible wall

Fireplace

can project 12"

LMDV-4035

*51-1/2 (1308)

*53-1/4 (1349)

40-1/4 (1022)

40-1/4 (1022)

length.

 

 

 

 

 

 

 

 

 

* Includes 3” clearance to combustibles (required above vent components)

 

 

 

 

Combustible Materials

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Allowed In Shaded Area

 

 

 

 

 

 

 

Do not insulate the

 

 

 

45o

“Safe Zone”

 

 

 

 

 

 

 

 

 

 

Combustible Walls

Do not insulate the

 

 

 

 

 

space between the

 

 

 

5 (127)

 

 

 

 

 

 

 

 

 

shown in dark gray

space between the

 

 

 

 

 

appliance and the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

appliance and the

 

 

 

 

 

area above it.

 

 

 

 

When the unit is

area above it.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

installed with one side

 

 

 

 

 

 

 

 

 

 

 

12 (305)

flush with a wall, the

 

 

 

 

 

 

 

 

 

 

 

wall on the other side

 

 

 

 

 

 

 

*Shelf Height

 

 

 

 

of the unit must not

 

 

 

 

 

 

 

 

 

 

 

extend beyond the front

Shelf Height

 

 

 

 

 

(see table)

 

 

 

 

edge of the unit.

(see table)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19 (483)

 

 

 

 

 

 

 

 

 

 

14

8-1/4Protected wall shown in white

Shelf Above Fireplace With Rear Venting

 

 

Shelf Above Fireplace With Top Venting

(356)

(209)

 

 

 

Inches (millimeters)

 

Figure 10

Figure 9 - Shelf Height Minimum Clearances

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

 

 

 

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Contents 850,029M REV. G 05/2008 Vented GAS Fireplace Heaters Direct Vent ModelsOTL Report No -F-31-5 Table of Contents Honeywell Millivolt SIT MillivoltMassachusetts Cold Climate InsulationLocation Massachusetts And New York City, NY Re- quirementsVent Termination Clearances Manufactured Home RequirementsVertical Vent Termination Clearances Horizontal Vent Termination ClearancesInches 30cm Canadian Installation US InstallationMeter/regulator assembly = Clearance to service regulator vent outlet Feet 91cmAdjacent to it Minimum Clearances to CombustiblesAppliance and Vent Clearances Panel or louversRouting Gas Line Detailed Installation StepsTypical Installation Sequence FramingVent Size Vertical Venting Through the Ceiling Fireplace specificationsFrom This center mark see FigurePropane Fireplace Framing specificationsSchedule Black Iron Pipe Inside Diameter Inches NaturalThese fireplaces must be vented directly to the outside Install the Vent System General InformationCross Section Effective Vent Length Vertical Straight InstallationVent Section Length Chart Vertical Termination Systems RoofAttach vent components to each other Vertical Offset InstallationPitch Vertical Vent FIGURES/TABLESIf the vent system extends more than 5 feet Ratio V to H ratio is 610 305 219 829 914 438Table B Maximum Minimum Feet Meter 524 Elbow Only 305 048 610 572 914 096 219Table D + H1 Maximum Minimum Table CMaximum Minimum Feet Meter 524 610 305 048 219 572 829 914 096 438See on Page 12 or on Typical Horizontal Vent InstallationSame manner as any SV4.5 vent component refer to Step E Install Firestop/Spacer at exterior wallSee on Page 9 for Min 914 Horizontal Vent FIGURES/TABLESTable F Maximum Feet MeterHorizontal Vent Figures / Tables 048 610 572 914 Minimum524 Elbow Only 524 305Flexible Vent Section Install the Outer Flex PipeAttach Flex Vent to Termination Wiring Optional Forced Air Blower Kit Field WiringSee Figure Schematic Representation Only Connecting Gas LineSIT and Honeywell Millivolt Appliance Checkout Control Compartment AccessLouver Panel Instructions Ref Checking Appliance Opera- tionElectronic Appliance Checkout Install VERMICULITE, VOLCanic STONE, Glowing Embers and Logs Catalog Number H3366 LOG SETShown here 1 through 6 and per the instructions on Catalog Number H3365 Model LMDV-4035Air Shutter Adjustment Guidelines Installing the Glass DoorInstalling Glass Enclosure Panels Burner Adjustments Flame Appearance and sootingDrywall Bracket / Spacer Burner Air Shutter Adjustment ProcedureHood Installation Finishing Requirements Wall Details12B Cat. No Model Description12C Open Top, Chase Top Shroud Cat. NoAll compressed flex vents can be expanded up to two times Listed Secure Flex ComponentsLMDV-3328 & LMDV-3530 Models Only DescriptionH2010 H2009H2011 H2013Pilot for SIT Millivolt Gas Valve Adjusting KnobMillivolt Appliances SIT Systems SIT Millivolt Gas Valve850,029M REV. G 05/2008 West Taft Avenue Orange, CA Pilot Orifice Ignitor AssemblyElectronic Appliances Honeywell Systems Series

LMDV-3530-CNM, LMDV-35 Series, LMDVR-3328-CNE, LMDV-4035-CNE, LMDV-4035-CPM specifications

Lennox Hearth products are renowned for their quality, efficiency, and innovative technologies that optimize the home heating experience. Among the standout offerings in their lineup are the LMDV-3530-CPM, LMDVR-3328-CPM, LMDV-3530-CNE, LMDVT-3328-CPM, and LMDVR-3328-CNM models. Each of these products embodies the brand's commitment to performance and design, making them a popular choice for modern homeowners.

The LMDV-3530-CPM gas fireplace boasts a contemporary aesthetic combined with powerful heating capabilities. It features a clean face design that enhances the viewing experience while maximizing warmth in the room. The unit is equipped with advanced technology that includes multi-speed blowers for efficient air circulation, allowing users to enjoy consistent heat throughout the space. Its variable flame and heat control options ensure that homeowners can customize their ambience and comfort levels according to their preferences.

Similarly, the LMDVR-3328-CPM model is designed for versatility and efficiency. Its modern fireplace insert converts existing masonry fireplaces into high-efficiency heating systems. Featuring a sleek design, this insert incorporates innovative venting technologies that enable it to operate in diverse installation configurations, enhancing both aesthetic appeal and functionality. Homeowners can appreciate the adjustable flame and fan speed settings, which provide tailored heating solutions.

The LMDV-3530-CNE model distinguishes itself through eco-friendly features. It employs advanced combustion technology that reduces emissions without sacrificing heat output. This model stands out as an environmentally responsible option, suitable for conscious consumers who wish to reduce their carbon footprint. Its easy-to-use controls and stylish design make it a favored choice among discerning homeowners.

The LMDVT-3328-CPM continues the trend of performance and versatility. This model combines traditional charm with modern efficiency, featuring a large viewing area that allows for an inviting flame display. The unit’s heat exchanger is designed for maximum heat transfer, ensuring that warmth is efficiently distributed throughout the room.

Lastly, the LMDVR-3328-CNM model is perfect for those seeking an efficient upgrade for their traditional fireplace. With its stunning design and advanced features, including optional remote control and programmable settings, this model takes convenience to new heights.

Overall, Lennox Hearth’s suite of models combines elegance, efficiency, and innovation, ensuring that homeowners can find the perfect heating solution to complement their living spaces. Each product is engineered with state-of-the-art technologies that reflect Lennox’s dedication to quality and customer satisfaction.
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