www.desatech.com 116646-01DSaFETy INFORMaTIONTablE OF CONTENTSSafety Information ............................................... Product Identification ........................................... 4Local Codes......................................................... 4Product Features ................................................. 4Pre-Installation Preparation ................................. 5Location of Termination Cap ................................ 7Venting Installation Instructions ........................... 8Fireplace Installation.......................................... 17Operating Fireplace ........................................... 6Inspecting Burners............................................. 9Cleaning and Maintenance ................................ 30Troubleshooting ................................................. 3Replacement Parts ............................................ 36Service Hints ..................................................... 36Technical Service............................................... 36Specifications .................................................... 36Accessories ....................................................... 37Illustrated Parts Breakdown and Parts List........ 38Warranty Information ...........................Back CoverWARNING: Improper in-stallation, adjustment, al-teration, service or main-tenance can cause in-jury or property damage.Refer to this manual forcorrect installation andoperational procedures.For assistance or addi-tional information con-sult a qualified installer,service agency or the gassupplier.This appliance may be in-stalled in an aftermarket,*permanently located,manufactured (mobile)home, where not prohib-ited by local codes.This appliance is only foruse with the type of gasindicated on the ratingplate. This appliance isnot convertible for usewith other gases, unlessa certified kit is used.* Aftermarket: Completion of sale, not forpurpose of resale, from the manufacturerState of Massachusetts:The installation mustbe made by a licensedplumber or gas fitter inthe Commonwealth ofMassachusetts.WARNING: This productcontains and/or generateschemicals known to the Stateof California to cause cancer orbirth defects or other reproduc-tive harm.IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, op-erate or service this fireplace.Improper use of this fireplacecan cause serious injury or deathfrom burns, fire, explosions,electrical shock and carbonmonoxide poisoning.DANGER: Carbon monoxidepoisoning may lead to death!This fireplace must be installed by a qualified (cer-tified or licensed) service person. It has a sealedgas combustion chamber that uses a coaxial pipe(pipe within a pipe and having the same center)venting system. It brings in fresh air for combus-tion through the outer pipe and combustion gasesare exhausted through the inner pipe. If the glassdoor assembly and venting pipe are not properlyseated, connected and sealed, carbon monoxideleakage (spillage) can occur.