www.desatech.com 119526-01A8INSTALLATIONNOTICE: This heater is intendedfor use as supplemental heat.Use this heater along with yourprimary heating system. Do notinstall this heater as your pri-mary heat source. If you have acentral heating system, you mayrun system’s circulating blowerwhile using heater. This will helpcirculate the heat throughout thehouse. In the event of a poweroutage, you can use this heateras your primary heat source.WARNING: A qualified ser-vice person must install fire-place. Follow all local codes.WARNING: Never install thefireplace• in a bedroom or bathroom• in a recreational vehicle• where curtains, furniture,clothing or other flammableobjects are less than 42 inchesfrom the front, top or sides ofthe heater• in high traffic areas• in windy or drafty areasCAUTION: This fireplace cre-ates warm air currents. Thesecurrents move heat to wall sur-faces next to fireplace. Installingfireplace next to vinyl or clothwall coverings or operatingheater where impurities (suchas, but not limited to, tobaccosmoke, aromatic candles, clean-ing fluids, oil or kerosene lamps,etc.) in the air exist, may discolorwalls or cause odors.Note: Your fireplace is designed to be used in zeroclearance installations. Wall or framing materialcan be placed directly against any exterior surfaceon the rear, sides or top of your fireplace, exceptwhere standoff spacers are integrally attached. Ifstandoff spacers are attached to your fireplace,these spacers can be placed directly against wallor framing materials.Use the dimensions shown for rough openings tocreate the easiest installation. See Built-In Fire-place Installation, page 11.IMPORTANT: Vent-free heaters add moistureto the air. Although this is beneficial, installingfireplace in rooms without enough ventilationair may cause mildew to form from too muchmoisture. See Air for Combustion and Ventilation,page 5. IMPORTANT: Make sure the fireplaceis level. If fireplace is not level, log set will notwork properly.CHECK GAS TYpEUse the correct gas type (natural or propane/LP)for your fireplace. If your gas supply is not cor-rect, do not install fireplace. Call dealer where youbought fireplace for proper type fireplace.WARNING: This applianceis equipped for (natural or pro-pane/LP) gas. Field conversionis not permitted.ELECTRICAL HOOKUp(Models GA3750 Series and GA3650TBSeries Blower Accessories and GA3555Internal Duplex Kit)This fireplace accepts a blower assembly with anelectrical cord. The electrical cord is five feet inlength. You must locate fireplace within reach ofa 120 volt grounded electrical outlet. If not, youmust install an electrical outlet within reach offireplace power cord. The GA3555 outlet acces-sory is used for built-in applications with bloweraccessory installed.