111604-01AFor more information, visit www.desatech.comFor more information, visit www.desatech.com4LOCAL CODESInstall and use fireplace with care. Follow all local codes. In theabsence of local codes, use the latest edition of The National FuelGas Code ANSI Z223.1/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 required, thermostatoperation is not permitted.1. With utility knife, cut the carton all the way around above thestaples on the bottom tray. Lift the carton off the heater. Re-move packing.Note: The hood is located in the packing onthe right hand side of the heater front. Lift the heater off thebottom tray.2. Locate two screws above top corners of the fireplace screen.Remove and discard these screws. Lift fireplace screen up andpull out to remove.3. Remove protective packaging applied to logs, log base assem-bly, and fireplace.4. Remove fireplace hood from carton insert.5. Check all items for any shipping damage. If damaged, promptlyinform dealer where you bought fireplace.UNPACKINGCAUTION: Do not remove the data plates attachedto the heater base assembly. The data plates containimportant warranty and safety information.AIR FOR COMBUSTION ANDVENTILATIONToday’s homes are built more energy efficient than ever. New mate-rials, increased insulation, and new construction methods help reduceheat loss in homes. Home owners weather strip and caulk aroundwindows and doors to keep the cold air out and the warm air in. Duringheating months, home owners want their homes as airtight as possible.While it is good to make your home energy efficient, your homeneeds to breathe. Fresh air must enter your home. All fuel-burningappliances need fresh air for proper combustion and ventilation.Exhaust fans, fireplaces, clothes dryers, and fuel burning appliancesdraw air from the house to operate. You must provide adequate freshair for these appliances. This will insure proper venting of ventedfuel-burning appliances.WARNING: This heater shall not be installed in aconfined space or unusually tight construction un-less provisions are provided for adequate combus-tion and ventilation air. Read the following instruc-tions to insure proper fresh air for this and otherfuel-burning appliances in your home.LOCAL CODESUNPACKINGPRODUCT FEATURESAIR FOR COMBUSTION AND VENTILATIONPRODUCT FEATURESOPERATIONThis vent-free fireplace is clean burning. It requires no outsideventing. There is no heat loss out a vent or up a chimney. Heat isgenerated by both realistic flames. When used without the blower, thefireplace requires no electricity making it ideal for emergency backupheat. This heater is designed for vent-free operation. It has been testedand approved to ANSI Z21.11.2 standard for unvented heaters. Stateand local codes in some areas prohibit the use of vent-free heaters.SAFETY DEVICEThis fireplace has a pilot with an Oxygen Depletion Sensing (ODS)safety shutoff system. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot system shuts off the fireplace ifthere is not enough fresh air.PIEZO IGNITION SYSTEMThis fireplace has a piezo ignitor. This system requires no matches,batteries, or other sources to light fireplace.OPTIONAL BLOWER ASSEMBLY (GA3700SERIES & GA3700TA SERIES)This fireplace accepts an optional blower assembly (not included).The GA3700TA Series blower operates thermostatically and fea-tures a variable speed control. The GA3700 Series blower operatesmanually and also features a variable speed control. The blowercirculates heated air from the fireplace into the room. See Accesso-ries, page 30.