www.desatech.com 108382-01G1014"Min.CombustibleMaterialNoncombustible MaterialIf 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 have non-combustible material behind it. Noncombustiblematerial must extend at least 8" up (for all models).If noncombustible material is less than 12", youmust install the fireplace hood accessory. Even ifnoncombustible material is more than 12", youmay need the hood accessory to deflect heat awayfrom your mantel shelf. See Figure 5 on page 9 andFigures 6 and 7, for minimum clearances.Figure 6 - Minimum Mantel ClearancesWithout Using HoodMinimumNoncombustibleMaterialMinimumNoncombustibleMaterial HeightDistances toUnderside ofMantelTop ofFireplaceOpeningUnderside ofMantel ShelfMantel Shelf12"(A)18" 20" 22" 24"All minimumdistances arein inches2 1/2"6"8"10"MANTEL CLEARANCESIn addition to meeting noncombustible materialclearances, you must also meet required clearancesbetween fireplace openings and mantel shelf oneach side of the fireplace. If you do not meet theclearances listed below, you will 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.NOTICE: Surface temperaturesof adjacent walls and mantels be-come hot during operation. Wallsand mantels above the fireboxmay become hot to the touch.If installed properly, these tem-peratures meet the requirementof the national product standard.Follow all minimum clearancesshown in this manual.NOTICE: If your installation doesnot meet the minimum clear-ances shown, you must do oneof the following:• operate the logs only with theflue damper open• raise the mantel to an accept-able height• remove the mantelFLOOR CLEARANCESA. If installing appliance on the floor level, youmust maintain the minimum distance of 14"to combustibles (see Figure 8).Figure 7 - Minimum Mantel ClearancesWhen Using HoodMinimumNoncombustibleMaterial8"Min.12" 15" 18"All minimumdistancesare in inches20"2 1/2"6"8"10"12"Distances toUnderside ofMantelHood(GA6050,GA6052 orGA6053)Top ofFireplaceOpeningUndersideof MantelShelfMantel ShelfFigure 8 - Minimum Fireplace ClearancesIf Installed at Floor LevelINSTALLATIONContinued