Desa VRL24NR, VRL24PR, VRL30NR, VRL30PR, CSG3924NR,CSG3924PR Owner's Operating & Installation Manual

Also see for CSG3924NR: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL Owner's manual

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Desa VRL24NR, VRL24PR, VRL30NR, VRL30PR, CSG3924NR,CSG3924PR Owner's Operating & Installation Manual Manual pdf 10 page image

www.desatech.com 110021-01H10LOG SIZING REQUIREMENTSMinimum Firebox SizeLog Front RearSize Height Depth Width Width*24" 17" 14" 28" 20 1 /4 "30" 17" 14" 34" 22 3 /8 "*Measured at 14" DepthFigure 4 - Minimum Clearance forCombustible to Wall*Minimum 16 inches from Side Wall*ExampleNOTICE: Manual control heatersmay be used as a vented product.If so, you must always run heaterwith chimney flue damper open.If running heater with damperopen, noncombustible materialabove fireplace opening is notneeded. Go to Installing DamperClamp Accessory for VentedOperation, page 13.Minimum Noncombustible MaterialClearancesIf Not Using MantelNote: If using a mantel, proceed to If UsingMantel below. If not using a mantel, follow theinformation below.You must have noncombustible material(s) abovethe fireplace opening. Noncombustible materials(such as slate, marble, tile, etc.) must be at least1/2 inch 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", you mustinstall the fireplace hood accessory. See Figure 5,page 11, for minimum 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 13.If Using MantelYou must have noncombustible material(s) abovethe fireplace opening. Noncombustible materials(such as slate, marble, tile, etc.) must be at least1/2 inch thick. With sheet metal, you must havenoncombustible material behind it. Noncombustiblematerial must extend at least 8 inches up (for allmodels). If noncombustible material is less than12", you must install the fireplace hood accessory(24" model only). Even if noncombustible materialis more than 12", you may need the hood accessoryto deflect heat away from your mantel shelf. SeeFigures 5 and 6, page 11 and Figure 7 page 12,for minimum 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 13.INSTALLATION AND CLEARANCES(Vent-Free Operation Only)WARNING: Maintain theminimum clearances. If you can,provide greater clearances fromfloor, ceiling and adjoining wall.INSTALLATIONContinuedCarefully follow the instructions below. This willensure safe installation into a masonry, UL127-listed manufactured fireplace or certified vent-freefirebox.Minimum Clearances For SideCombustible Material, Side Wall andCeilingA. Clearances from the side of the fireplacecabinet to any combustible material and wallshould follow diagram in Figure 4.Example: The face of a mantel, bookshelf,etc. is made of combustible material andprotrudes 3 1/2" from the wall. This combus-tible material must be 4" from the side of thefireplace cabinet (see Figure 4).Note: When installing your gas logs intoa manufactured firebox, follow fireboxmanufacturerʼs instructions for minimumclearances to combustible materials.B. Clearances from the top of the fireplaceopening to the ceiling should not be lessthan 42 inches.