www.desatech.com 113195-01A2WARNING: Improper installation, adjustment, altera-tion, service, or maintenance can cause injury or prop-erty damage. Refer to this manual for correct installationand operational procedures. For assistance or addi-tional information consult a qualified installer, serviceagency, or the gas supplier.WARNING: This is an unvented gas-fired heater. It usesair (oxygen) from the room in which it is installed.Provisions for adequate combustion and ventilation airmust be provided. Refer toAir for Combustion andVentilation section on page 6 of this manual.This appliance may be installed in an aftermarket,*permanently located, manufactured (mobile) home,where not prohibited by local codes.This appliance is only for use with the type of gasindicated on the rating plate. This appliance is notconvertible for use with other gases.* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturerTABLE OF CONTENTSSafety Information ............................................... 3Local Codes ........................................................ 5Unpacking ........................................................... 5Product Identification .......................................... 5Remote Control Accessories .............................. 5Product Features ................................................ 6Air For Combustion and Ventilation ..................... 6Installation ........................................................... 8Operating Fireplace Insert ................................ 19Inspecting Burners ............................................ 22Cleaning and Maintenance ............................... 23Wiring Diagrams ............................................... 24Troubleshooting ................................................. 25Specifications .................................................... 29Replacement Parts ........................................... 29Technical Service .............................................. 29Service Hints ..................................................... 29Illustrated Parts Breakdown and Parts List ....... 30Accessories ....................................................... 34Warranty Information .......................... Back Cover