Desa B36L-MC Owner's Operation And Installation Manual

Contents

www.desatech.com123226-01B 13opTional gaS line inSTallaTionFigure 21 - Gas Line KnockoutSideFirebrickFinishedSideRefractoryKnockoutPlugOutside ofFireplaceGas LineConduitInsulationGasConduitCover1/2" DowelGas line hook up should be done by yoursupplier or a qualified service person.Note: Before you proceed, make sure yourgas supply is turned off.Use only a 1/2" black iron pipe and appropri-ate fittings.1. Remove knockout indentation on refracto-ry or firebrick wall located above refractoryhearth floor. Knockout indentation mustbe firmly tapped with any solid object,such as a 1/2" dowel, until it is released.Remove fragmented portions of refractory(see Figure 21).2. Remove gas line cover plate located oneither side of fireplace and pull out insu-lation from gas line conduit sleeve. Saveinsulation for reuse.3. Run a 1/2" black iron gas line into fire-place through rear at gas line conduitsleeve (if using a raised platform, addheight). Provide sufficient gas line intofireplace chamber for fitting connection(see Figure 22).Note: Secure incoming gas line to woodframing to provide rigidity for threadedend.4. Repack insulation around gas line and intosleeve opening. Seal any gaps betweengas line and refractory knockout hole withrefractory cement or commercial furnacecement. Install gas appliance or cap offgas line if desired.CAUTION: All gas piping andconnections must be tested forleaks after installation is com-pleted. After ensuring that gasvalve is on, apply soap and watersolution to all connections andjoints. Bubbles forming show aleak. Correct all leaks at once.DO NOT USE AN OPEN FLAMEFOR LEAK TESTING AND DONOT OPERATE ANY APPLIANCEIF A LEAK IS DETECTED. LEAKTESTING SHOULD BE DONEBY A QUALIFIED SERvICEPERSON.Note: A DESA Heating, LLC hood must beinstalled when using an unvented gas log set(see Accessories on page 18).WARNING: Do not operate anunvented gas log set in this fire-place with chimney removed.If you install a decorative gas appliance (vent-ed gas log), decorative gas appliance mustcomply with the Standard for Decorative GasAppliance for Installation in Solid Fuel BurningFireplaces, ANS Z21.60, Z21.84 or RG 2-72and shall also be installed in accordance withthe National Fuel Gas Code, ANSI 7223NFPA54 latest edition.WARNING: To avoid the riskof damaging fireplace materialsand increasing the risk of spread-ing a fire, do not use fireplace tocook or warm food.SealOpeningwithRefractoryCementOutside ofFireplaceGasLineConduitRepackInsulationIncoming1/2" BlackIron PipeSideFirebrickFinishedSideProvide Enough ThreadedEnd for Fitting ConnectionFigure 22 - Gas Line Installation