FOR INSTALLATION CAUTIONAttach a bird screen or equivalent fixture on the air inlet.X If a bird’s nest or other materials blocks air inlet, it may causeoxygen shortage in indoor.Use provided accessories and rated parts for an installation.X Failing to do so may result in electric shock or fire.Make sure discharged air does not re-enter indoor through theair inlet.X This way, fresh air cannot be supplied so indoor air will becomepolluted and may cause harmful effect.Make sure there is no exhaust vent of a burner near air inlet ofthe product.X If there’s exhaust vent of a burner near air inlet, it may causeoxygen shortage in indoor.Do not install the product in a place such as machinery orchemical plants where harmful gases (such as alkaline solution,organic solvent, paint and varnish) are generated.X If you install the product in such place, it may cause gaspoisoning or fire.Install the product inside of the adiabatic layer (where outdoorair is isolated).X If the product is installed outside of the adiabatic layer (such asmachine rooms with louver), dew may form at internal part ofthe product in winter and may cause electric shock or abnormaloperation.Safety precautionsENGLISH-6