www.desatech.com113101-01A 5LOCAL CODESInstall and use heater with care. Follow all localcodes. In the absence of local codes, use the latestedition of The National Fuel Gas Code ANSI Z223/NFPA 54*.*Available from:American National Standards Institute, Inc.1430 BroadwayNew York, NY 10018National Fire Protection Association, Inc.Batterymarch ParkQuincy, MA 02269Note: Where listed vented decorative logs are re-quired, thermostat models are not permitted.UNPACKINGCAUTION: Do not removethe data plates from the grateassembly. The data plates con-tain important warranty andsafety information.1. Remove logs and heater base assembly fromcarton.Note: Do not pick up heater base as-sembly by burners. This could damage heater.Always handle base assembly by grate.2. Remove all protective packaging applied tologs and heater for shipment.3. Check all items for any shipping damage. Ifdamaged, promptly inform dealer where youbought heater.PRODUCT FEATURESOPERATIONThis heater is clean burning. It requires no outsideventing. There is no heat loss out a vent or up achimney. Heat is generated by realistic, dancingyellow flames. This heater is designed for vent-free operation with flue damper closed. It has beentested and approved to ANSI Z21.11.2 standardfor unvented heaters. State and local codes in someareas prohibit the use of vent-free heaters. Non-thermostat models may also be operated as avented decorative (ANSI Z21.60) product byopening flue damper.SAFETY PILOTThis heater has a pilot with an Oxygen DepletionSensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent-free room heat-ers. The ODS/pilot shuts off the heater if there isnot enough fresh air.PIEZO IGNITION SYSTEMThis heater has a piezo ignitor. This system re-quires no matches, batteries, or other sources tolight heater.AIR FOR COMBUSTIONAND VENTILATIONWARNING: This heater shallnot be installed in a confinedspace or unusually tight con-struction unless provisions areprovided for adequate combus-tion and ventilation air. Readthe following instructions to in-sure proper fresh air for thisand other fuel-burning appli-ances in your home.Today’s homes are built more energy efficient thanever. New materials, increased insulation, and newconstruction methods help reduce heat loss inhomes. Home owners weather strip and caulkaround windows and doors to keep the cold air outand the warm air in. During heating months, homeowners want their homes as airtight as possible.While it is good to make your home energy effi-cient, your home needs to breathe. Fresh air mustenter your home. All fuel-burning appliances needfresh air for proper combustion and ventilation.Exhaust fans, fireplaces, clothes dryers, and fuelburning appliances draw air from the house tooperate. You must provide adequate fresh air forthese appliances. This will insure proper ventingof vented fuel-burning appliances.PROVIDING ADEQUATEVENTILATIONThe following are excerpts from National FuelGas Code. ANSI Z223.1/NFPA 54, Section 5.3, Airfor Combustion and Ventilation.All spaces in homes fall into one of the three fol-lowing ventilation classifications:1. Unusually Tight Construction2. Unconfined Space3. Confined SpaceThe information on pages 5 through 7 will helpyou classify your space and provide adequateventilation.