Desa LDL3924NR Owner's Operation And Installation Manual

Also see for LDL3924NR: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

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

INSTALLATIONContinuedFigure 5 - Heat Resistant Material (Slate,Marble, Tile, etc.) Above FireplaceNoncombustible Requirements forMaterial Safe InstallationDistance (A)1" or more Noncombust blematerial OK.Between 8" 4" or 30" Models:and 1" Install fireplace hoodaccessory (GA050,GA05, or GA053 seeAccessories, page 31).Less than 8" Noncombust blematerial must beextended to at least 8".See Between 8" and1", above. If youcannot extendmaterial, you mustoperate heater withflue damper open.If Using MantelYou must have noncombustible material(s) abovethe fireplace opening. Noncombustible materials(such as slate, marble, tile, etc.) must be at least1/2" thick. With sheet metal, you must havenoncombustible material behind it. Noncom-bustible material must extend at least 8" up. Ifnoncombustible material is less than 12", youmust install the fireplace hood accessory. Evenif noncombustible material is more than 12", youmay need the hood accessory to deflect heat awayfrom your mantel shelf. See Figures 5, 6 and 7 forminimum clearances.IMPORTANT: If you cannot meet these minimumclearances, you must operate heater with chimneyflue damper open. Go to Installing Damper ClampAccessory for Vented Operation, page 11.MANTEL CLEARANCESIn addition to meeting noncombustible materialclearances, you must also meet required clearancesbetween fireplace opening and mantel shelf. Ifyou do not meet the clearances listed below, youwill need a hood.Determining Minimum Mantel ClearanceIf you meet minimum clearance between mantelshelf and top of fireplace opening, a hood is notrequired (see Figure 6).Determining Minimum Mantel ClearanceWhen Using a HoodIf minimum clearances in Figure 6 are not met, youmust have a hood. When using a hood there arestill certain minimum mantel clearances required.Follow minimum clearances shown in Figure 7when using hood.Figure 6 - Minimum Mantel ClearancesWithout Using HoodFigure 7 - Minimum Mantel ClearancesWhen Using HoodMinimumNoncombustibleMaterialMinimumNoncombustibleMaterial HeightDistances toUnderside ofMantelTop ofFireplaceOpeningUnderside ofMantel ShelfMantel Shelf12"(A)18" 20" 22" 24"All minimumdistances arein inches2 1/2 "6"8"10"Min mumNoncombustibleMater al8"Min12" 15" 18" 20"2½"6"8"10"12"Distances toUnderside ofMantelHood(GA6050,GA6052 orGA6053)Top ofFireplaceOpeningUndersideof MantelShe fMantel Shelf