Design Dynamics VF-18N-PDG Owner's Operation And Installation Manual

Also see for VF-18N-BTB: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

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Design Dynamics VF-18N-PDG Owner's Operation And Installation Manual Manual pdf 10 page image

www.fmiproducts.com 111826-01L10INSTALLATIONContinuedNote: When installing your gas logs intoa manufactured firebox, follow fireboxmanufacturer’s instructions for minimumclearances to combustible materials.B. Clearances from the top of the fireplaceopening to the ceiling should not be lessthan 42".NOTICE: Nonthermostat controlheaters may be used as a ventedproduct. If so, you must alwaysrun heater with chimney fluedamper open. If running heaterwith damper open, noncombus-tible material above fireplaceopening is not needed. Go toInstalling Damper Clamp Ac-cessory for Vented Operation,page 12.Figure 4 - Minimum Clearance forCombustible to Wall*Minimum 16" from Side Wall*ExampleMinimum Noncombustible MaterialClearancesIf Not Using MantelNote: If using a mantel proceed to If UsingMantel. If not using a mantel, follow theseinstructions.You must have noncombustible material(s)above the fireplace opening. Noncombustiblematerials (such as slate, marble, tile, etc.) mustbe at least 1/2" thick. With sheet metal, youmust have noncombustible material behindit. Noncombustible material must extend atleast 8" up (for all models). If noncombustiblematerial is less than 12", you must install thefireplace hood accessory (24" Model Only).See Figure 5 for minimum clearances.Heat ResistantMaterial(A)Figure 5 - Heat Resistant Material (Slate,Marble, Tile, etc.) Above FireplaceNoncombustibleMaterial Distance(A)Requirements forSafe Installation12" or more Noncombustible mate-rial OK.Between 8" and 12" 24" or 30" Models:Install fireplace hoodaccessory (GA6050,GA6052 or GA6053 seeAccessories, page 26).18" Model: Noncom-bustible material OK.Less than 8" Noncombustible mate-rial must be extendedto at least 8". SeeBetween 8" and 12",above. If you cannotextend material, youmust operate heaterwith flue damper open.If Using MantelYou must have noncombustible material(s)above the fireplace opening. Noncombus-tible materials (such as slate, marble, tile,etc.) must be at least 1/2" thick. With sheetmetal, you must have noncombustible ma-terial behind it. Noncombustible materialmust extend at least 8" up (for all models). Ifnoncombustible material is less than 12", youmust install the fireplace hood accessory (24"Model Only). Even if noncombustible materialis more than 12", you may need the hood ac-cessory to deflect heat away from your mantelshelf. See Figure 5 and Figures 6 and 7, page11, for minimum 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 12.