Design Dynamics VTD-18NV-JHB Owner's Operation And Installation Manual

Contents

www.fmiproducts.com 114370-02H6VENTING SPECIFICATIONS FORINSTALLATIONThe fireplace chimney flue and vent must bedrafting properly. To check the vent for properdrafting: Light a tightly rolled newspaper onone end and place it at the inside front edgeof the fireplace. Observe the smoke and besure the vent is properly drawing it up thechimney. If the smoke spills out into the room,extinguish the flame and remove any obstruc-tion until proper venting is achieved.The chimney flue must have a minimum free airopening of 43" during operation of this log set.A damper clamp is provided to fix the damperin position.The minimum flue sizes shown in Figure 2 arebased on a 6' chimney height using round pipe.Your minimum flue size will vary based on inputrate and chimney height. Refer to the NationalFuel Gas Code ANSI Z223.1/NFPA 54, Section6.6, for details.For Massachusetts Residents OnlyInstallation of this vented gas log set in theCommonwealth of Massachusetts requiresthe damper be permanently removed orwelded in the fully open position.INSTALLING DAMPER CLAMPSecure the damper stop clamp to the edgeof the damper as shown in Figure 4, page 7.If for any reason this clamp doesn't work onyour fireplace, another suitable clamp or per-manent stop must be installed, or the damperblade must be cut or removed.INSTALLATIONContinuedMODEL BURNERBTUINPUTMIN. VENTOPENINGVTD-18NV-JHBVTD-18PV-JHB 18" Ramp 59,000 8" dia.VTD-24NV-JHBVTD-24PV-JHB 24" Ramp 69,000 8" dia.VTD-30NV-JHBVTD-30PV-JHB 30" Ramp 74,000 8" dia.MINIMUM FIREBOX SIZESMODELFRONTWIDTHBACKWIDTH*DEPTHHEIGHTVTD-18NV-JHBVTD-18PV-JHB 28" 16" 14" 18"VTD-24NV-JHBVTD-24PV-JHB 29 3/4" 20" 15 1/2" 18"VTD-30NV-JHBVTD-30PV-JHB 36" 27" 18" 18"*At depth indicatedBURNER ORIFICELOGSIZENATURAL PROPANE/LPINCHES NO. INCHES NO.18" 0.1495 25 0.0935 4224" 0.1570 22 0.0980 4030" 0.1660 19 0.1015 38SPECIFICATIONS (W.C.)FUEL INLET PRESSURE MANIFOLDPRESSUREMIN. MAX.NG 5" 10.5" 3.5LP 11" 14" 10Figure 3 - SpecificationsFigure 2 - Technical Information ChartsWARNING: Do not place lavarocks and log scraps on burner.CHECK GAS TYPEUse the correct gas type (natural or propane/LP) for your unit. If your gas supply is not cor-rect, DO NOT install this into your fireplace.See the dealer where you bought the appli-ance for proper type.WARNING: This appliance isequipped for either natural gasor propane/LP gas but not both.Gas type is indicated on the rat-ing plate. Field conversion is notpermitted.INSTALLATION AND CLEARANCESThe charts in Figure 2 indicate technicalinformation regarding the installation of yourgas log set. Please make sure that all of thespecifications shown are applicable beforeinstallation is attempted.FLUE OPENING SPECIFICATIONSNote: This vented appliance must be installedonly in a solid-fuel burning fireplace construct-ed of noncombustible material. The fireplacemust include a flue and venting system withthe minimum openings shown in Figure 3.