Hearth and Home Technologies HST-42D owner manual Combustible Mantel

Page 40

E. Combustible Mantel

•See Figure 11.4.

•A combustible mantel may be positioned no lower than 12 in. (305 mm) above the top of the ﬁreplace opening.

•A combustible mantel may have a maximum depth of 12 in. (305 mm).

•Combustible trim and materials cannot be placed within 6 in. (152 mm) of the ﬁreplace opening (top or sides).

•Combustible materials projecting more than 1-1/2 in. (38 mm) shall not be placed within 12 in. (305 mm) from the top of the ﬁreplace opening.

•Combustible trim must not cover the metal surfaces of the ﬁreplace.

•Mantel clearance is in accordance with Section 7-3.3.3of ANSI/NFPA211.

Combustible Wall

2 x 4 stud wall

Standoffs

7 ft (2134 mm)

minimum

base of fireplace

to ceiling

Combustible

Decorative Facing

12 in./305 mm MAXIMUM

12 in./305 mm MINIMUM

Noncombustible

Decorative Facing

Seal joint with

non-combustible

sealant

Measured from top of fireplace opening

Î

Figure 11.4 Clearances to Mantels or other Combustibles above Fireplace

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

Image 40

Contents Hot screen/mesh and glass doors will cause burns Wood Burning FireplaceFire Risk Grate Listing Label Information/LocationNumber Installer Guide Table of ContentsUser 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 MaterialsYour Fireplace Operating InstructionsHot 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 SystemDraft Design and Installation ConsiderationsNegative Pressure Locating Fireplace & Chimney Frequently open doors Central heat outlets or returnsFireplace System Requirements Tools and Supplies NeededInspect 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 requiredHearth Extension Finishing= 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