Desa LDL3924NR Owner's Operation And Installation Manual

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Desa LDL3924NR Owner's Operation And Installation Manual Manual pdf 10 page image

www.desatech.com 111515-01J10INSTALLATIONContinuedFigure 5 - Heat Resistant Material (Slate,Marble, Tile, etc.) Above FireplaceNoncombustible Requirements forMaterial Safe InstallationDistance (A)1".or.more. Noncombustible.material.OK.Between.8".and.1". 4".or.30".Models:.Install fireplace hoodaccessory (GA6050,GA6052, or GA6053 seeAccessories, page 31).Less.than.8". Noncombustible.material.must.be.extended.to.at.least.8"..See.Between 8"and 12", above. Ifyou.cannot.extend.material, you mustoperate.heater.with.flue damper open.If Using MantelYou. must. have. noncombustible. material(s).above the fireplace opening. Noncombustiblematerials (such as slate, marble, tile, etc.)must be at least 1/2" thick. With sheet metal,you.must.have.noncombustible.material.be-hind.it..Noncombustible.material.must.extend.at.least.8".up..If.noncombustible.material.is.less than 12", you must install the fireplacehood. accessory.. Even. if. noncombustible.material is more than 12", you may need thehood accessory to deflect heat away fromyour mantel shelf. See Figures 5, 6 and 7 forminimum.clearances..IMPORTANT:.If.you.cannot.meet.these.mini-mum clearances, you must operate heaterwith chimney flue damper open. Go to Install-ing Damper Clamp Accessory for VentedOperation, page 11.MANTEL CLEARANCESIn.addition.to.meeting.noncombustible.mate-rial clearances, you must also meet requiredclearances between fireplace opening andmantel.shelf..If.you.do.not.meet.the.clearances.listed below, you will need a hood.Determining Minimum Mantel ClearanceIf. you. meet. minimum. clearance. between.mantel shelf and top of fireplace opening, ahood.is.not.required.(see.Figure.6).Determining Minimum Mantel ClearanceWhen Using a HoodIf minimum clearances in Figure 6 are not met,you.must.have.a.hood..When.using.a.hood.there.are.still.certain.minimum.mantel.clear-ances.required..Follow.minimum.clearances.shown.in.Figure.7.when.using.hood.Figure 6 - Minimum Mantel ClearancesWithout Using HoodFigure 7 - Minimum Mantel ClearancesWhen Using HoodMinimumNoncombustibleMaterialMinimumNoncombustibleMaterial HeightDistances toUnderside ofMantelTop ofFireplaceOpeningUndersideof MantelShelfMantel Shelf12"(A)18" 20" 22" 24"Allminimumdistancesare ininches2 1 /2 "6"8"10"MinimumNoncombustibleMaterial8"Min.12" 15" 18" 20"2½"6"8"10"12"Distances toUnderside ofMantelHood(GA6050,GA6052 orGA6053)Top ofFireplaceOpeningUndersideof MantelShelfMantel Shelf