Hearth and Home Technologies HST-48D Assemble Chimney Sections, Install Chimney Air Kit

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C. Assemble Chimney Sections

WARNING! Risk of Fire! DO NOT install substitute or damaged chimney components.

•Use only those components described in this manual.

Substitute or damaged chimney components could impair safe operation and cause overheating and ﬁre.

•Support the pipe during construction and check to be sure inadvertent loading has not dislodged the chimney section from the ﬁreplace or at any chimney joint.

•Attach a straight chimney section or an offset to the top of the ﬁreplace.

•Place inner ﬂue to the inside of the chimney section below it. Place the outer casing outside the outer casing of the chimney section below it. Refer to Figure 8.4.

NOTICE: Chimney sections cannot be disassembled once locked together. Plan ahead!

•Lock chimney sections and/or offsets/returns together by pushing downward until the top section meets the stop bead on the lower section.

•Pull on the top section to make sure it is fully engaged and will not separate.

•You may use #6 or #8 sheet metal screws no longer than 1/2 in. (13 mm) to fasten chimney sections together. Do NOT penetrate inner ﬂue.

WARNING! Risk of Fire! You MUST use screws (pro- vided) to fasten offset/returns to chimney sections to keep the chimney parts from twisting. Failure to do so could cause ﬁre.

•Fasten offset/returns to chimney sections. Insert the screws (provided) through the predrilled holes. Do NOT penetrate inner ﬂue.

•Secure chimney returns with hanger straps provided; fasten to studs or joists.

•Vertical straight runs of chimney must be supported every 35 ft (10.7 m).

D. Install Chimney Air Kit

•Required in Canada.

•Follow instructions provided with this accessory.

Figure 8.4 Assembling Chimney Sections

Heat & Glo • HST-48D US-CAN • 4012-040 • Rev F • 11/08

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Contents Fire Risk Wood Burning FireplaceOperation Hot screen/mesh and glass doors will cause burnsListing Label Information/Location GrateNumber Table of Contents Installer GuideUser Guide CONDITIONS, Exclusions & Limitation of Liability Warranty Hearth & Home Technologies Limited WarrantyHeat & Glo HST-48D US-CAN 4012-040 Rev F 11/08 Combustible Materials Listing and Code ApprovalsAppliance Certiﬁcation Non-Combustible MaterialsOperating Instructions Your FireplaceHot glass will cause burns Firescreen Seasoned WoodStarting a Fire GrateClear Space Glass DoorsVented Gas Log Sets & Gas Log Lighters Optional ComponentsHardwood vs Softwood Wood FuelMaintainance and Service Chimney Inspection/CleaningDisposal of Ashes Frequency As desired Glass CleaningCheck Firebox Refractory Inspect GrateStart 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 Framing & Clearances Select Fireplace Location1676 mm Hearth Clearances to Combustible Materials ClearancesFrame the Fireplace Sidewalls/SurroundsPlace Protective Metal Hearth Strips Installation of FireplaceThings to Consider Position the FireplaceYES Ft min. from top of uppermost chimney section to air inletInstall Outside Air Kit Hood Wire TiesOutside Air Maintain minimum height of chimney above roof Chimney AssemblyC,f Chimney RequirementsExample Using Offsets/ReturnsAssemble Chimney Sections Install Chimney Air KitInstalling the Ceiling Firestop Install Ceiling Firestops330 mm Install Attic Insulation ShieldComplete Installation Install FlashingCut out Hole in Roof Flat Roofs Chimney Termination RequirementsConstruct the Chase Chase InstallationsCaulk all seams to prevent leaks Refer to Figure Install Fireplace & ChimneyInstall Chase Top Install as per Sections 7ST1175/ST475 Square Termination Cap Install Termination CapTCT1175 Terra Cotta Cap Installing a TCT1175 Terra Cotta CapShrouds Radiation ShieldField Constructed Shrouds Mailbox Style Shroud radiation shield required Finishing Hearth Extension= 1/k x inches of thickness Finishing Material High temperature sealantCombustible Mantel Fireplace opening 1194 mm Width of fireplace 305 mmGas Code, Ansi Z223.1 AccessoriesGas Log/Lighter Provision Wood Burning InsertsRev F 11/08 Fireplace DimensionsReference Materials Heat & Glo HST-48D US-CAN1676 mm 508 mm 13 mm Inside Diameter Chimney ComponentsCatalog # 457 mm51 mm 25-1/439-7/8 711 mm 14-3/4 375 mm 584 mm HST-48D Service PartsDo not Discard this Manual