Rpi-(8.0-10.0)Fsn3E - Ducted Indoor Unit; Removal Of The Electrical Box Cover; Removal Of Electrical Components; Removal Of The Inlet And Outlet Air Thermistors - Hitachi RCI-1.0FSN3 Service Manual
Indoor units system free series & complementary systems
fsn(h)(2/3/4)(e/m)(i)(-du)