www.desatech.com 115481-01A2WARNING: 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 appliance is for installation only ina solid-fuel burning masonry or UL127 factory-builtfireplace, constructed of noncombstible material andconnected to a working flue. (See page 6 for minimumflue opening.WARNING: This is a gas-fired heater. It uses air (oxy-gen) from the room in which it is installed. Provisionsfor adequate combustion and ventilation air must beprovided. Refer to the National Fuel Gas Codes, ANSIZ233.1/NFPA 54, Section 5.3, Air for Combustion andVentilation.This appliance may be installed in an aftermarket,* per-manently located, manufactured (mobile) home, wherenot prohibited by local codes.This appliance is only for use with the type of gas indi-cated on the rating plate. This appliance is not convert-ible for use with other gases.* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturerState of Massachusetts: The installation must be madeby a licensed plumber or gas fitter in the Commonwealthof Massachusetts.TABLE OF CONTENTSSafety Information ............................................... 3Product Identification ........................................... 4Local Codes ........................................................ 4Unpacking ........................................................... 5General Information ............................................. 5Installation ........................................................... 5Operating Appliance ............................................ 9Inspecting Burners .............................................11Cleaning and Maintenance ................................ 12Technical Service .............................................. 12Replacement Parts ............................................ 12Troubleshooting ................................................. 13Specifications .................................................... 15Wiring Diagram .................................................. 15Illustrated Parts Breakdown and Parts List ....... 16Accessories ....................................................... 18Warranty Information .............................Back Page