Hearth and Home Technologies HST-42D owner manual Chimney Assembly

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8 Chimney Assembly

NOTICE: Chimney performance may vary.

•Trees, buildings, roof lines and wind conditions affect performance.

•Chimney height may need adjustment if smoking or overdraft occurs.

Chimney must extend beyond combustible roof structure

Maintain minimum height of chimney above roof

Install roof flashing according to minimum requirements

Offsets/returns may not exceed 30° from vertical

Lock chimney sections together firmly to resist movement

Termination Cap

Additional support for tall chimneys

Storm Collar

Maintain minimum clearances to combustibles as specified

Support straps for returns must be secured to adequate framing

Offsets and returns must be secured with the screws provided (outer pipe only)

Ceiling firestops are required where chimney passes through ceiling or floor

Figure 8.1 Typical Chimney System - Guidelines for Chimney System Installation

24	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