107885-01DFor more information, visit www.desatech.comFor more information, visit www.desatech.com77INSTALLATIONWARNING: A qualified service person must in-stall heater. Follow all local codes.CHECK GAS TYPEUse only the correct type of gas (natural or propane/LP). If your gassupply is not the correct gas type, do not install heater. Call dealerwhere you bought heater for proper type heater.INSTALLATION ITEMSBefore installing heater, make sure you have the items listed below.• for propane/LP gas, external regulator (supplied by installer)• piping (check local codes)• sealant (resistant to propane/LP gas)• equipment shutoff valve *• ground joint union• sediment trap• tee joint• pipe wrench• for natural gas, test gauge connection** A CSA design-certified equipment shutoff valve with 1/8" NPTtap is an acceptable alternative to test gauge connection. Theoptional CSA design-certified equipment shutoff valve can bepurchased from your dealer. See Accessories, page 26.NOTICE: This heater is intended for use as supple-mental heat. Use this heater along with your primaryheating system. Do not install this heater as yourprimary heat source. If you have a central heatingsystem, you may run system’s circulating blowerwhile using heater. This will help circulate the heatthroughout the house. In the event of a power outage,you can use this heater as your primary heat source.CAUTION: This heater creates warm air currents.These currents move heat to wall surfaces next to heater.Installing heater next to vinyl or cloth wall coverings oroperating heater where impurities (such as, but notlimited to, tobacco smoke, aromatic candles, cleaningfluids, oil or kerosene lamps, etc.) in the air exist, maydiscolor walls or cause odors.WARNING: Never install the heater• in a bedroom or bathroom• in a recreational vehicle• where curtains, furniture, clothing, or other flam-mable objects are less than 36 inches from thefront, top, or sides of the heater• as a fireplace insert• in high traffic areas• in windy or drafty areasLOCATING HEATERThis heater is designed to be mounted on a wall.WARNING: Maintain the minimum clearancesshown in Figure 4. If you can, provide greater clear-ances from floor, ceiling, and joining wall.You can locate heater on floor, away from a wall. An optional floormounting stand is needed. Purchase the floor mounting stand fromyour dealer. See Accessories, page 26.INSTALLATIONCheck Gas TypeInstallation ItemsLocating HeaterCAUTION: If you install the heater in a home garage• heater pilot and burner must be at least 18 inchesabove floor• locate heater where moving vehicle will not hit itIMPORTANT: Vent-free heaters add moisture to the air. Althoughthis is beneficial, installing heater in rooms without enough venti-lation air may cause mildew to form from too much moisture. SeeAir for Combustion and Ventilation, pages 4 through 6. If highhumidity is experienced, a dehumidifier may be used to help lowerthe water vapor content in the air.For convenience and efficiency, install heater• where there is easy access for operation, inspection, and service• in coldest part of roomAn optional fan kit is available from your dealer. See Accessories,page 26. If planning to use fan, locate heater near an electrical outlet.Figure 4 - Mounting Clearances As Viewed From Front of HeaterMinimumFromSides OfHeater36"2"FLOORCEILINGMinimumMinimum ToTop SurfaceOf Carpeting,Tile Or OtherCombustibleMaterialLeftSideRightSide10"