www.desatech.com 111906-01F14VENTING INSTALLATIONINSTRUcTIONSContinuedHIGH ALTITUDE INSTALLATIONYour DESA direct-vent fireplace has been CSA tested and approvedfor elevations from 0-2000 feet (USA) and elevations from 0-4500feet (Canada).When installing this fireplace at an elevation above 2000 feet (inthe USA), you may need to decrease the input rating by changingthe existing burner orifice to a smaller size. Reduce input 4% foreach 1000 feet above sea level. Check with your local gas companyfor proper orifice size identification.When installing this fireplace at an elevation above 4500 feet (inCanada), check with local authorities.Consult your local gas company to help determine the proper orificefor your location.For assistance with any high altitude installation contact DESACustomer Service Department at 1-866-672-6040.PARTS LISTS FOR VENTING kITS ANDCOMPONENtSDESA (5/8") Pipe & Vent kitsNumber DescriptionP58-6 6" Section Double Wall Pipe, GalvanizedP58-1 1" Section Double Wall Pipe, GalvanizedP58-4 4" Section Double Wall Pipe, GalvanizedP58-36 36" Section Double Wall Pipe, GalvanizedP58-48 48" Section Double Wall Pipe, GalvanizedPA58-71 Adjustable 7"-1" Section Double Wall Pipe, GalvanizedFPA58-6 6" Duravent Collar to FMI Pipe Adaptor (6" Collar/PipeSection)DPA58-6 6" FMI Collar to Pipe Duravent Adaptor (6" Collar/PipeSectionE58-45 45° Elbow, GalvanizedE58-90 90° Elbow, GalvanizedFSE58-45 45° Starter Elbow, Galvanized (Duravent Collar to FMIPipe)DSE58-45 45° Starter Elbow, Galvanized (FMI Collar to DuraventPipe)VKG-58 Ground Floor Vent KitVKB-58 Basement Vent KitVKS-58 Snorkel KitVKR-58 Roof Vent KitVKC-58 Corner Vent KitHTK Horizontal Round Termination KitHT-58 Horizontal Round Termination Kit, GalvanizedHTS-58 Horizontal Square Termination Kit, GalvanizedHTKS-58 Horizontal Square Termination KitVT-58 Vertical Round Termination, GalvanizedST-58-14 14" Snorkel Termination, GalvanizedST-58-36 36" Snorkel Termination, GalvanizedSC-58 Storm Collar - GalvanizedWF-58 Wall Firestop - GalvanizedRF-58-6 Roof Flashing - 0 to 6/1 Pitch - GalvanizedRF-58-1 Roof Flashing - 6/1 to 1/1 Pitch - GalvanizedNumber DescriptionVR-58 Vertical Restrictor - GalvanizedS-58 Vinyl Siding Standoff - GalvanizedWS-58 Wall StrapCS-58 Cathedral Ceiling SupportFP-58 Firestop PlateSF-58 Stucco Flashing - For use with HTS-5FIREPLAcE INSTALLATIONCHECK GAS tYPEUse proper gas type for the fireplace unit you are installing. If youhave conflicting gas types, do not install fireplace. See retailer whereyou purchased the fireplace for proper fireplace according to your gastype or to purchase gas conversion kit (see Accessories, page 29).INSTALLING OPTIONAL bLOWERACCESSORIESNOtICE: the CHDv42NR-B model fireplace comes withthe bkT blower already installed as standard equipment.If you have a CHDv42NR model fireplace proceed toInstalling Gas Piping to Fireplace Locations, page 16.NOtICE: If installing blower in an existing fireplace withgas connections, shut off gas supply and disconnectheater from gas supply. Contact a qualified serviceperson to do this.WARNING: If there is a duplex electrical outlet in-stalled in the right side of the bottom of the fireplacebase area, be sure that the electrical power to the outletis turned off before proceeding with blower installation.Failure to do this may result in serious injury.Model bk InstallationFollow all instructions provided in the blower accessory kit.1. Attach the power cord to the blower motor by firmly pushingthe two female terminals at the end of the power cord onto thetwo spade terminals on the blower motor (see Figure 25).2. Attach green ground wire from power cord to blower housing us-ing screw provided (see Figure 25). Tighten screws securely.Figure 25 - Blower Model BKMagneticStripsExhaustPortScrewGreenGround WireSpadeTerminalsSide ViewLower FireboxCavityBlowerLocation