www.desatech.com 124452-01A8NOTICE: 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 heater.Follow all local codes.NOTICE: State or local codes mayonly allow operation of this appli-ance in a vented configuration.Check your state or local codes.WARNING: Before installingin a solid fuel burning fireplace,the chimney flue and fireboxmust be cleaned of soot, creo-sote, ashes and loose paint by aqualified chimney cleaner. Creo-sote will ignite if highly heated. Adirty chimney flue may create anddistribute soot within the house.Inspect chimney flue and fireboxfor damage. If damaged, repairflue before operating heater.WARNING: Seal any freshair vents or ash clean-out doorslocated on floor or wall of fire-place. If not, drafting may causepilot outage or sooting. Use aheat-resistant sealant. Do notseal chimney flue damper.INSTALLATIONWARNING: Never install theheater• in a bedroom or bathroom un-less installed as a vented appli-ance (see page 11)• in a recreational vehicle• where curtains, furniture, cloth-ing or other flammable objectsare less than 36" from front and42" from top of heater; for sideclearances see Figure 4, page 9• in high traffic areas• in windy or drafty areasCAUTION: This heater createswarm air currents. These currentsmove heat to wall surfaces nextto heater. Installing heater nextto vinyl or cloth wall coverings oroperating heater where impurities(such as, but not limited to, to-bacco smoke, aromatic candles,cleaning fluids, oil or kerosenelamps, etc.) in the air exist, maydiscolor walls or cause odors.IMPORTANT: Vent-free heaters add moistureto the air. Although this is beneficial, installingheater in rooms without enough ventilationair may cause mildew to form from too muchmoisture. See Air for Combustion and Ventila-tion, page 5.CHECK GAS TYPEUse only the correct gas type (natural orpropane/LP) for your unit. If your gas sup-ply is not correct, do not install heater. Calldealer where you bought heater for propertype heater.WARNING: This appliance isequipped for either natural gasor propane/LP gas but not both.Gas type is indicated on the rat-ing plate. Field conversion is notpermitted.