Hearth and Home Technologies HST-42D owner manual Radiation Shield, Field Constructed Shrouds

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10 Shrouds

A. Radiation Shield

•Some shrouds require a radiation shield. Use where speciﬁed.

•Radiation shield must be constructed of minimum 26 ga sheet metal.

B. Field Constructed Shrouds

WARNING! Risk of Fire! Shrouds must be constructed as speciﬁed. Improper construction may overheat chase top.

•Chase top shrouds may be ﬁeld constructed where permitted by regional building codes.

NOTICE: Some regional codes require an agency-Listed shroud. Consult your local building ofﬁcials.

•Hearth & Home Technologies Inc. supplies UL listed shrouds. See your dealer for details.

•The following ﬁeld constructed shroud designs have been tested for Hearth Technologies ﬁreplace systems and termination caps.

•The shrouds must be constructed from a minimum .018 in. (26 ga) thick aluminized steel.

•The wire mesh is optional but recommended and must be .018 in. thick minimum, 1/2 in. mesh.

Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap

3 in. (76 mm) tall legs

Length x Width to fit inside shroud

Figure 10.1 Radiation Shield

Open Top Shroud (TR342 caps require radiation shield)

TS345

TR342

TR342/344TV

Min.

Top Dim.

Min. Base Dims.

Min.

in

23 x 23

28 x 28

26 x 26

Top Dim.

mm

584 x 584

711 x 711

660 x 660

Min. Opening

Radiation Shield

Width

Required

3 in (76 mm)

Min. Top Dims.

minimum

in

20 x 20

25 x 25

23 x 23

Min. Opening

Min.

mm

508 x 508

635 x 635

584 x 584

Width

Base Dim.

Min. Opening Width

Min.

in

17 x 17

22 x 22

20 x 20

Base Dim.

mm

432 x 432

559 x 559

508 x 508

Figure 10.2 Open Top Shroud Dimensions

36	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 Warranty Hearth & Home Technologies Limited Warranty CONDITIONS, Exclusions & Limitation of LiabilityHeat & Glo HST-42D 27177 Rev AB 11/08 Listing and Code Approvals Appliance CertiﬁcationNon-Combustible Materials Combustible MaterialsOperating Instructions Your FireplaceHot glass will cause burns Seasoned Wood Starting a FireGrate FirescreenGlass Doors Outside Air optionalVented Gas Log Sets & Gas Log Lighters Optional ComponentsWood Fuel Maintainance and Service Chimney Inspection/CleaningDisposal of Ashes Creosote Formation and Need for RemovalGlass Cleaning Check Firebox RefractoryInspect Grate Frequency As desiredTroubleshooting Guide Start Fire Problems Possible Cause SolutionGetting Started Typical Fireplace SystemDesign and Installation Considerations DraftNegative Pressure Locating Fireplace & Chimney Frequently open doors Central heat outlets or returnsTools and Supplies Needed Fireplace System RequirementsInspect Fireplace and Components Framing & Clearances Select Fireplace LocationClearances Clearances to Combustible MaterialsSidewalls/Surrounds Frame the FireplaceInstallation of Fireplace Things to ConsiderPosition the Fireplace Place Protective Metal Hearth StripsFt min. from top of uppermost chimney section to air inlet Install Outside Air Kit AK14/AK18 InstallationChimney Assembly Chimney Requirements MetersUsing Offsets/Returns ExampleInstall Chimney Air Kit Assemble Chimney SectionsInstall Ceiling Firestops Installing the Ceiling FirestopInstall Attic Insulation Shield Prepare Attic Insulation ShieldComplete Installation Install FlashingFollowing steps should be skipped if using a chase Cut out Hole in RoofChimney Termination Requirements Flat RoofsChase Installations Construct the ChaseInstall Fireplace & Chimney Install Chase TopInstall Termination Cap ST375 Square Termination CapTS345/TS345P Square Termination Cap Shrouds Radiation ShieldField Constructed Shrouds Open Top Shroud TR342 caps require radiation shieldMailbox Style Shroud radiation shield required Roofed Style Shroud radiation shield requiredFinishing Hearth Extension= 1/k x inches of thickness Finishing Material Noncombustible FacingCombustible Mantel Clearances to Mantels or other Combustibles above FireplaceSquares Accessories Gas Log/Lighter ProvisionWood Burning Inserts Gas Code, Ansi Z223.1Fireplace Dimensions Reference MaterialsChimney Components Catalog #14-1/2 10-7/8 276 mm Service Parts HST-42DDo not Discard this Manual