Hearth and Home Technologies RUTHERFORD-50 owner manual Finishing, Hearth Extension

Page 38

12 Finishing

A. Non-Combustible Materials

Materials which will not ignite and burn, composed of any combination of the following:

-

Steel

-

Iron

-

Brick

-

Tile

-

Concrete

-

Slate

-

Glass

-

Plasters

Materials reported as passing ASTM E 136, Standard

Test Method for Behavior of Metals, in a Vertical Tube Furnace at 750° C

B. Combustible Materials

Materials made of or surfaced with any of the following materials:

-

Wood

-

Compressed paper

-

Plant fibers

-

Plastic

Any material that can ignite and burn; flame proofed or not, plastered or un-plastered

C. Hearth Extension

WARNING! Risk of fire! High temperatures, sparks, em- bers or other burning material falling from the fireplace may ignite flooring or concealed combustible surfaces.

Metal hearth strips MUST be installed (Section 7.C.).

Hearth extensions MUST be installed exactly as specified.

Table 12.1

R = 1/k x inches of thickness

Table 12.2

You MUST use a hearth extension with this fireplace.

This fireplace has been tested and approved for use with a hearth extension insulated to a minimum R value of 2.32.

The hearth extension material MUST be covered with tile, stone or other non-combustible material.

Manufactured hearth materials will usually have a published R value (resistance to heat) or k value (conductivity of heat). Refer to the formula in Table 12.1 to convert a k value to an R value,

Refer to Table 12.2 for hearth extension insulation alternatives.

12in.

(305 mm)

50 in.

12 in.

(1270 mm)

(305 mm)

 

74 in.

(1880 mm)

Raised Platform

20 in. (508 mm) Minimum

Flush Hearth

30 in. (762 mm) Minimum

(R value of hearth must be equal to or greater than 2.32)

Figure 12.1 Hearth Extension Dimensions

Hearth Extension Insulation Alternatives-Total minimum R Value must equal 2.32

 

k per inch

R per inch

 

Material

thick

thick

Minimum thickness required

Hearth & Home HX3, HX4 (Micore 300™)

0.49

2.06

1 in. (25.4 mm)

 

 

 

 

USG Micore 160™

0.39

2.54

1 in.(25.4 mm)

 

 

 

 

USG Durock™ Cement Board

1.92

0.52

4 in. (101.6 mm)

Cement Mortar

5.0

0.20

10 in. (254 mm)

 

 

 

 

Common Brick

5.0

0.20

10 in. (254 mm)

Ceramic Tile

12.50

0.08

25-3/4 in. (654 mm)

 

 

 

 

Armstrong™ Privacy Guard Plus

0.46

2.18

1 in. (25.4 mm)

Marble

14.3 to 20.0

0.07 to 0.05

29-1/2 to 41 in. (749.3 to 1041.4 mm)

38

Heat & Glo • RUTHERFORD-504059-333 Rev F • 11/08

Image 38
Contents RUTHERFORD-50 Homeowner Reference Information Listing Label Information/LocationUser Guide Table of ContentsInstaller Guide Warranty Hearth & Home Technologies Limited Warranty CONDITIONS, Exclusions & Limitation of LiabilityHeat & Glo RUTHERFORD-50 4059-333 Rev F 11/08 Non-Combustible Materials Listing and Code ApprovalsAppliance Certification Combustible MaterialsOperating Instructions Your FireplaceGrate Seasoned WoodStarting a Fire FirescreenOptional Components Glass DoorsVented Gas Log Sets & Gas Log Lighters Clear SpaceWood Fuel Hardwood vs SoftwoodDisposal of Ashes Maintainance and ServiceChimney Inspection/Cleaning Inspect Grate Glass CleaningCheck Firebox Molded Brick Panel Troubleshooting Guide Start Fire Problems Possible Cause SolutionGetting Started Typical Fireplace SystemNegative Pressure Design and Installation ConsiderationsDraft Locating your Fireplace & Chimney Recommended Chimney LocationsInspect Fireplace and Components Tools and Supplies NeededTypical Fireplace Components Framing & Clearances Select Fireplace LocationClearances Air Space ClearancesSidewalls/Surrounds Frame the FireplacePosition the Fireplace Installation of FireplaceThings to Consider Place Protective Metal Hearth StripsInstall Outside Air Kit Outside Air Inlet LocationsChimney Assembly Chimney Requirements Height of Chimney ComponentsFrame Openings Installation NotesInstall Firestop Cut Roof OpeningAssemble Chimney Sections Supplementary Support and StabilizerInstall Attic Insulation Shield Install Roof Radiation ShieldsEnclosures Offset Elbow InstallationFinish Top Chimney Termination Requirements Flat RoofsChase Installations Construct the ChaseInstall Termination Cap Install Fireplace & ChimneyInstall Chase Top Flashing Shrouds Shroud RequirementsHouse Style Shroud Minimum Dimensions House Style ShroudArch / Mailbox Style Shroud Pyramid Style ShroudInstall Side Molded Brick Panel-Traditional Installation of Molded Brick PanelInstall Hearth Molded Brick Panel Install Back Molded Brick Panel-TraditionalInstall Side Molded Brick Panel-Herring- bone Install Back Molded Brick Panel-Herring- boneInstall Mortar Install Screens= 1/k x inches of thickness FinishingHearth Extension Raised Hearth Extension Framing Non-combustible Sealant Finishing Material Noncombustible FacingCombustible Mantel Mantel, Adding Extra Support 12 Notch the Metal TrackBrick Front Wood Burning Inserts AccessoriesGas Log/Lighter Provision Fireplace Dimensions Reference MaterialsChimney Components Catalog # DescriptionParts RUTHERFORD-50This page intentionally left blank This page intentionally left blank This page intentionally left blank Do not Discard this Manual

RUTHERFORD-50 specifications

Hearth and Home Technologies (HHT) has long been recognized for its innovative approach to home heating solutions, and the Rutherford-50 is a shining example of their commitment to quality and performance. This versatile fireplace is designed to not only provide warmth but also enhance the aesthetic appeal of any living space.

The Rutherford-50 is a gas-fired fireplace that effortlessly combines modern technology with traditional design. One of its standout features is the large viewing area, which allows for an unobstructed view of the flames, creating an inviting focal point in any room. With its clean lines and elegant design, it complements various interior styles, from contemporary to rustic.

A major advantage of the Rutherford-50 is its advanced ignition system. Utilizing electronic ignition technology, it ensures reliable and quick starts, enhancing user convenience, especially during cold weather. The fireplace also includes a user-friendly remote control, allowing homeowners to adjust heat output and flame settings with ease.

Efficiency is a key characteristic of the Rutherford-50. The fireplace boasts an impressive thermal efficiency rating, ensuring that it effectively heats the room while minimizing energy consumption. This not only helps in reducing utility bills but also contributes to a more environmentally friendly home heating solution.

The Rutherford-50 also emphasizes safety and functionality. It features a built-in safety pilot, which automatically shuts off the gas flow if the flame goes out, providing peace of mind for families. Additionally, the fireplace is equipped with a barrier screen to prevent accidental contact with the flames, making it suitable for homes with children and pets.

Customization options are another attractive aspect of the Rutherford-50. Homeowners can choose from various decorative features, including different media options like logs, rocks, or glass, allowing them to personalize their fireplace to fit their unique style.

In summary, the Hearth and Home Technologies Rutherford-50 is a sophisticated gas fireplace that marries style and functionality. With its large viewing area, advanced ignition system, impressive efficiency, and customizable options, it represents a remarkable choice for anyone looking to enhance their home heating experience. Whether for warmth or ambiance, the Rutherford-50 provides an unparalleled solution that aligns with modern living.