Desa DynaVent DNV25NB Owner's Operation And Installation Manual

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Desa DynaVent DNV25NB Owner's Operation And Installation Manual Manual pdf 4 page image

4201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®6" MinimumAdjacentSideWallCeilingFinished Floor, Carpet, Tile, etc.12"Minimum12" MinimumFigure 1 - Mounting Clearances as Viewedfrom Front of FurnaceThe clearance between the cabinet and thewall it passes through is 0 inches.Provide the following minimum clearancesfrom furnace cabinet (portion of cabinetextending into outside air, as viewed fromthe rear of furnace) to obstructions:Cabinet Back: 36 inchesCabinet Sides: 6 inchesCabinet Bottom: Must be high enoughoff the ground to prevent snow, water,leaves, or any other objects from block-ing vents.Minimum ClearancesProvide the following minimum clearancesfrom furnace front cover to combustibles(as viewed from the front of furnace, seeFigure 1):Below Front Cover: 6 inchesAbove Front Cover: 12 inchesAdjoining Wall: 12 inchesFront: 8 feetWARNING: Due to high tem-peratures, never install the furnace:• in an inside wall• in a recreation vehicle• in a window recessed in a thickwall (creating an alcove)• in an alcove• behind a door or where an opendoor would block normal air flow• as a fireplace insert• in high traffic areas• near furniture or draperies• in windy or drafty areasCAUTION: If you install thefurnace in a home garage, locatefurnace where moving vehicle willnot hit it.For convenience and efficiency, install furnace:• where there is easy access for operation,inspection, and service• in a central location, near an electricaloutlet• where there is adequate clearance aroundvents outsideBefore installing furnace, inspect the wall,floor, and outside areas. Make sure there areno pipes, wiring, or anything else that wouldinterfere with furnace installation. If you areinstalling thermostat in a wall, make surethere are no pipes or wiring in the hollowwall above the furnace. The thermostat wireswill pass through this wall from the attic.Mounting hardware needed to mount fur-nace into wall is included with the furnace.No venting material is needed. You mustfurnish tools and all gas piping from the gassource to the furnace inlet.INSTALLATIONWARNING: A qualified ser-vice person must install furnace.Have service person inspect fur-nace before use and at least an-nually. Follow all local codes.CHECK GAS TYPEUse only natural gas. If your gas supply isnot natural gas, do not install furnace. Calldealer where you bought furnace for propertype furnace.INSTALLATION ITEMSBefore installing furnace, make sure youhave all items below:• electric drill• drill bits• Phillips screwdriver• hammer• pipe wrench• stud locator or small finishing nails• equipment shutoff valve (supplied)• test gauge connection (see Figure 15,page 10)• piping (check local codes)• sealant (resistant to propane/LP gas)• ground joint union• sediment trap• tee jointLOCATING FURNACEThis furnace is designed to be mounted in awall that is 4 to 18 inches thick. You can alsomount furnace in a window.WARNING: Do not install fur-nace in interior wall of building. Youmust install furnace in exterior wallof building. Rear of furnace mustextend into open, outside air. Thislets poisonous exhaust gases ven-tilate to the outdoors.WARNING: Maintain the mini-mum clearances shown in Figure1. If you can, provide greater clear-ances from floor, ceiling, andjoining wall.WARNING: Turn off electricalcircuits that pass through the wallwhere you are going to install thefurnace.NOTICE: This furnace must beelectrically grounded. Follow alllocal codes. In the absence oflocal codes, follow theNationalElectric Code, ANS/NFPA 70(U.S.) or Canadian Electrical CodePart I-CSA C22.1 (Canada).