Hearth and Home Technologies HST-48D owner manual Sidewalls/Surrounds, Frame the Fireplace

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C. Sidewalls/Surrounds

•Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the ﬁreplace opening.

•Combustible and noncombustible mantel legs, surrounds and stub walls may be constructed within the gridded area, Figure 6.3.

Gridlines at 1 in. scale

11 3/8 in.

[289 mm]

FLUSH

BRICK

4 in.

[102 mm]

FRONT

FRONT

42 in.

angle

9 3/4 in.

50°

[1067 mm]

39°

angle

[248 mm]

fireplace opening

47 in.

[1194 mm]

width of fireplace

12 in.

12 in.

[305 mm]

[305 mm]

Figure 6.3 Mantel Leg or Wall Projections (Acceptable on both sides of ﬁreplace)

D. Frame the Fireplace

Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).

•Observe all required air space clearances to combustible materials as shown in Figure 6.2.

•Framing across the top of ﬁreplace must be above top standoffs.

You must maintain

2 in. (51 mm) min. air space clearance from the chimney to the enclosure.

12 in. (305 mm) max.

Note: Fireplace Header cannot be positioned until after the fireplace assembly is in place.

48 in.

(1219 mm)

27in.

(686 mm)

Figure 6.4 Framing the Fireplace

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

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Contents Wood Burning Fireplace OperationHot screen/mesh and glass doors will cause burns Fire RiskNumber Listing Label Information/LocationGrate User Guide Table of ContentsInstaller Guide Warranty Hearth & Home Technologies Limited Warranty CONDITIONS, Exclusions & Limitation of LiabilityHeat & Glo HST-48D US-CAN 4012-040 Rev F 11/08 Listing and Code Approvals Appliance CertiﬁcationNon-Combustible Materials Combustible MaterialsHot glass will cause burns Operating InstructionsYour Fireplace Seasoned Wood Starting a FireGrate FirescreenGlass Doors Vented Gas Log Sets & Gas Log LightersOptional Components Clear SpaceWood Fuel Hardwood vs SoftwoodDisposal of Ashes Maintainance and ServiceChimney Inspection/Cleaning Glass Cleaning Check Firebox RefractoryInspect Grate Frequency As desiredTroubleshooting Guide Start Fire Problems Possible Cause SolutionGetting Started Typical Fireplace SystemNegative Pressure Design and Installation ConsiderationsDraft Locating Fireplace & Chimney Frequently open doors Central heat outlets or returns Inspect Fireplace and Components Tools and Supplies Needed Fireplace System Requirements 1676 mm Hearth Framing & ClearancesSelect Fireplace Location Clearances 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 YESOutside Air Install Outside Air KitHood Wire Ties Chimney Assembly Maintain minimum height of chimney above roofChimney Requirements C,fUsing Offsets/Returns ExampleInstall Chimney Air Kit Assemble Chimney SectionsInstall Ceiling Firestops Installing the Ceiling FirestopInstall Attic Insulation Shield 330 mmCut out Hole in Roof Complete InstallationInstall Flashing Chimney Termination Requirements Flat RoofsChase Installations Construct the ChaseInstall Fireplace & Chimney Install Chase TopInstall as per Sections 7 Caulk all seams to prevent leaks Refer to FigureInstall Termination Cap ST1175/ST475 Square Termination CapInstalling a TCT1175 Terra Cotta Cap TCT1175 Terra Cotta CapField Constructed Shrouds ShroudsRadiation Shield Mailbox Style Shroud radiation shield required = 1/k x inches of thickness FinishingHearth Extension High temperature sealant Finishing MaterialFireplace opening 1194 mm Width of fireplace 305 mm Combustible MantelAccessories Gas Log/Lighter ProvisionWood Burning Inserts Gas Code, Ansi Z223.1Fireplace Dimensions Reference MaterialsHeat & Glo HST-48D US-CAN Rev F 11/081676 mm 508 mm 13 mm Chimney Components Catalog #457 mm Inside Diameter39-7/8 711 mm 51 mm25-1/4 14-3/4 375 mm 584 mm Service Parts HST-48DDo not Discard this Manual