Outdoor Unit	Indoor Unit	BTU Option
AR09HVSSBWKXSS	AR09HVSSBWKNSS	9K BTU
AR12HVSSBWKXSS	AR12HVSSBWKNSS	12K BTU
AR18HVSSBWKXSS	AR18HVSSBWKNSS	18K BTU
AR24HVSSBWKXSS	AR24HVSSBWKNSS	24K BTU

    

            

Samsung System 2	Samsung System 3	Samsung System 4