Desa CHDV34(N/P)(A) Owner's Operation And Installation Manual

Contents

7105456OWNER’S MANUALWARNING: Read all instruc-tions completely and thoroughlybefore attempting installation.Failure to do so could result inserious injury, property damageor loss of life. Operation of im-properly installed and maintainedventing system could result inserious injury, property damageor loss of life.WARNING: Seal all of the con-nections with high temperaturesilicone (600°F/316° C) every timea vent connection is made. Be-fore joining elbows and pipes,apply a bead of high temperaturesilicone sealant (GE RTV 106/Loctite RTV 81585) to the end ofthe elbow or pipe. High tempera-ture silicone must also be used tore-seal any connections aftermaintenance to venting system.NOTICE: Failure to follow theseinstructions will void the warranty.INSTALLATIONPRECAUTIONSConsult local building codes before beginningthe installation. The installer must make sureto select the proper vent system for installa-tion. Before installing vent kit, the installermust read this fireplace manual and vent kitinstructions.Only a qualified service person should in-stall venting system. The installer must fol-low these safety rules:• Wear gloves and safety glasses forprotection• Use extreme caution when using laddersor when on roof tops• Be aware of electrical wiring locationsin walls and ceilingsThe following actions will void the war-ranty on your venting system:• Installation of any damaged ventingcomponent• Unauthorized modification of the vent-ing systemVENTINGINSTALLATIONWARNING: This gas fireplaceand vent assembly must bevented directly to the outside.The venting system must NEVERbe attached to a chimney servinga separate solid fuel burning ap-pliance. Each gas appliance mustuse a separate vent system. Donot use common vent systems.WARNING: Horizontal sec-tions of this vent system requirea minimum clearance of 2" fromthe top of the pipe and 1" mini-mum to the sides and bottom.Vertical sections of this systemrequire a minimum of 1" clear-ance to combustible materials onall sides of the pipe.• Installation of any component part notmanufactured or approved by DESAInternational• Installation other than as instructed bythese instructionsINSTALLATION PLANNINGThere are two basic types of direct-ventinstallation:• Horizontal Termination• Vertical TerminationIt is important to select the proper length ofvent pipe for the type of termination youchoose. It is also important to note the wallthickness.For Horizontal Termination: Select theamount of vertical rise desired. The horizon-tal run of venting must have 1/4" rise forevery 12" of run towards the termination.NOTICE: Treatment of firestopsand construction of the chasemay vary from building type tobuilding type. These instructionsare not substitutes for the re-quirements of local buildingcodes. You must follow all localbuilding codes .Note: When installing in a chase, you shouldinsulate the chase as you would the outsidewalls of your home. This is especially im-portant in cold climates. Minimum clear-ance between vent pipes and combustiblematerials such as insulation is 1".After framing the chase (see Framing andFinishing on page 4) install the vent systemby following the installation instructions.Installing Vent System in a ChaseA chase is a vertical box-like structure builtto enclose venting that runs along the out-side of a building. A chase is not required forsuch venting.ContinuedWARNING: Never run the ventdownward as this may cause ex-cessive temperatures whichcould cause a fire.You may use one or two 90° elbows in thisvent configuration. See Horizontal Termina-tion Configurations on pages 10 and 11.For Vertical Termination: Measure thedistance from the fireplace flue outlet to theceiling. Add the ceiling thickness, the verti-cal rise in an attic or second story, and allowfor sufficient vent height above the roofline.You may use one or two 90° elbows in thisvent configuration. See Vertical TerminationConfigurations on pages 13 and 14.Note: You may use two 45° elbows in placeof a 90° elbow. You must follow rise to runratios when using 45° elbows.For two-story applications, firestops are re-quired at each floor level. If an offset isneeded in the attic, additional pipe and el-bows will be required.You may use a chase with a vent terminationwith exposed pipe on the exterior of thehouse. See Installing Vent System in a Chase,below.Your Comfort Glow direct-vent fireplacehas been tested for a minimum 3' rise with amaximum 10" wall thickness. The maxi-mum horizontal run is 20' with 8' verticalrise (see Installation for Horizontal Termi-nation, page 8). The maximum vertical runis 30' (see Installation for Vertical Termina-tion, page 12).It is very important that the venting systemmaintain its balance between the combus-tion air intake and the flue gas exhaust.Certain limitations apply to vent configura-tions and must be strictly followed.