Hearth and Home Technologies HST-42D owner manual Installation of Fireplace, Things to Consider

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7 Installation of Fireplace

CAUTION! Risk of Cuts/Abrasions. Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp.

A. Things to Consider

•Location of chimney air kit (see Figure 7.4)

•Location(s) of outside air kit

•Electrical connections and/or wall switch

•Gas line piping

B. Position the Fireplace

•Place the fireplace on a continuous flat surface.

•Follow framing instructions in Section 6.

WARNING! Risk of Fire! Prevent contact with sag- ging, loose insulation.

•DO NOT install against vapor barriers or exposed insulation.

•Secure insulation and vapor barriers.

•Provide minimum air space clearances at the sides and back of the fireplace assembly as outlined in Section 6.B.

C. Place Protective Metal Hearth Strips

WARNING! Risk of Fire! Protective metal hearth strips MUST be installed. DO NOT cover metal strips with com- bustible materials. Sparks or embers may ignite flooring.

•Refer to Figures 7.1 and 7.2.

•Locate the two protective metal hearth strips measuring approximately 26 in. x 4 in. (660 mm x 102 mm) included with this fireplace.

•Slide each metal strip 2 in. (51 mm) under front edge of fireplace.

•Overlap strips in the middle of fireplace opening by 1 in. (25 mm) minimum..

•Metal strips must extend beyond the front and sides of the fireplace opening by at least 2 in. (51 mm).

•Protect the front of a platform elevated above the hearth extension with metal strips (not included with fireplace) per Figure 7.2. See Section 11.C. for hearth extension instructions.

D. Level Fireplace

•Level fireplace side-to-side and front-to-back.

•Shim with non-combustible material as necessary.

•Secure fireplace to framing with nailing flanges with a minimum of two fasteners per nailing flange.

•Check fireplace opening for square to ensure proper fit of glass doors. Measure diagonals of fireplace opening to make sure they are equal.

1 in. (25 mm) overlap

Protective metal strips are placed 2 in. (51 mm) under the front of the fireplace and must extend beyond the front and sides of fireplace opening by 2 in. (51 mm).

Figure 7.1 Position the Protective Metal Hearth Strips

Top piece must overlap

bottom piece

 

Raised Platform

2 in.

1 in. (25 mm) min.

(51 mm)

overlap

Floor

2 in. (51 mm)

Figure 7.2 Protect the Front of an Elevated Platform

Heat & Glo • HST-42D • 27177 • Rev AB • 11/08

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Contents Wood Burning Fireplace Hot screen/mesh and glass doors will cause burnsFire Risk Listing Label Information/Location GrateNumber Table of Contents Installer GuideUser Guide CONDITIONS, Exclusions & Limitation of Liability Warranty Hearth & Home Technologies Limited WarrantyHeat & Glo HST-42D 27177 Rev AB 11/08 Appliance Certification Listing and Code ApprovalsNon-Combustible Materials Combustible MaterialsOperating Instructions Your FireplaceHot glass will cause burns Starting a Fire Seasoned WoodGrate FirescreenOutside Air optional Glass DoorsVented Gas Log Sets & Gas Log Lighters Optional ComponentsWood Fuel Chimney Inspection/Cleaning Maintainance and ServiceDisposal of Ashes Creosote Formation and Need for RemovalCheck Firebox Refractory Glass CleaningInspect Grate Frequency As desiredStart Fire Problems Possible Cause Solution Troubleshooting GuideTypical Fireplace System Getting StartedDesign and Installation Considerations DraftNegative Pressure Frequently open doors Central heat outlets or returns Locating Fireplace & ChimneyTools and Supplies Needed Fireplace System RequirementsInspect Fireplace and Components Select Fireplace Location Framing & ClearancesClearances to Combustible Materials ClearancesFrame the Fireplace Sidewalls/SurroundsThings to Consider Installation of FireplacePosition the Fireplace Place Protective Metal Hearth StripsFt min. from top of uppermost chimney section to air inlet AK14/AK18 Installation Install Outside Air KitChimney Assembly Meters Chimney RequirementsExample Using Offsets/ReturnsAssemble Chimney Sections Install Chimney Air KitInstalling the Ceiling Firestop Install Ceiling FirestopsPrepare Attic Insulation Shield Install Attic Insulation ShieldInstall Flashing Complete InstallationFollowing steps should be skipped if using a chase Cut out Hole in RoofFlat Roofs Chimney Termination RequirementsConstruct the Chase Chase InstallationsInstall Chase Top Install Fireplace & ChimneyST375 Square Termination Cap Install Termination CapTS345/TS345P Square Termination Cap Radiation Shield ShroudsField Constructed Shrouds Open Top Shroud TR342 caps require radiation shieldRoofed Style Shroud radiation shield required Mailbox Style Shroud radiation shield requiredFinishing Hearth Extension= 1/k x inches of thickness Noncombustible Facing Finishing MaterialClearances to Mantels or other Combustibles above Fireplace Combustible MantelSquares Gas Log/Lighter Provision AccessoriesWood Burning Inserts Gas Code, Ansi Z223.1Reference Materials Fireplace DimensionsCatalog # Chimney Components14-1/2 10-7/8 276 mm HST-42D Service PartsDo not Discard this Manual
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