HSU-07HC03/R2 HSU-09HC03/R2 HSU-12HC03/R2Indoor UnitParts and FunctionsFor models: HSU-14HB03/R2 HSU-18HB03/R2H2SM-14HB03/R2 H2SM-18HB03/R2For multi-split type, the power plug is on the outdoor unit.3Inlet grilleAir filter(inside)Vertical flapUse remote controller toadjust up and down air flow.(Don't adjust it manually.)Remote signal receiverA beeping sound is generated whena signal from remote controller isreceived.Operation mode indicatorLights up during compressorrunning.Timer mode indicatorLights up when Timer operationis selected.Power indicatorLights up when unit starts.HSU-22HB03/R2For models:HSU-22HC03/R2Inlet grilleAir filterVertical flapUse remote controller toadjust up and down air flow.(Don't adjust it manually.)Power indicatorLights up when unit starts.Timer mode indicatorLights up when Timer operationis selected.Operation mode indicatorRemote signal receiverEmergency switch(manual)Test running switch(manual)Lights up during compressorrunning.A beeping sound is generated whena signal from remote controller isreceived.Used when remote controller is lost ordefective. Unit will run temporarily.Used only for test running in coolingwhen room temp. is below 16oC.Don't use it in normal operation.Actual inlet grille may vary from the one shown in the manual according tothe product purchasedHSU-22HD03/R2H2SM-14HC03/R2 H2SM-18HC03/R2HSU-14HR03/R2 HSU-18HR03/R2