Parts and FunctionsIndoor UnitOutdoor UnitInletgrilleAirfilterVertical flap Power indicator Timer mode indicator Operation mode indicatorRemote signal receiverEmergency switch(manual)Test running switch(manual)Useremotecontrollertoadjustupanddownairflow.(Don'tadjustitmanually.)Lightsupwhenunitstarts. LightsupwhenTimeroperationis selected. Lightsupduringcompressorrunning.Abeepingsoundisgeneratedwhenasignalfromremotecontrollerisreceived.Usedwhenremotecontrollerislostordefective.Unitwillruntemporarily.Usedonlyfortestrunningincoolingwhenroomtemp.isbelow16oC.Don'tuseitinnormaloperation.HSU-088M06HSU-098M06HSU-108M06HSU-128M06HSU-188M06