Outdoor Unit	Indoor Unit	BTU Option
AJ27HCJ4EC	AJ09FBADEC/SP	9K BTU
AJ27HCJ4EC	AJ12FBADEC/SP	12K BTU
AJ27HCJ4EC	AJ18FBADEC/SP	18K BTU

Please note that warranty coverage is only limited to the following combination:

                      
           

Samsung System 1	Samsung System 2	Samsung System 3