Any Amana brand Series A or Series B PTAC produced since 1996 can be upgraded with a DigiSmart control board.The DSUK01C is a field-installation kit to convert an older 'knob control' Amana brand PTAC to the new DigiSmart LED control.The converted Amana brand PTAC has the same energy management system as a DigiSmart PTAC and can connect to the DigiSmart suite of peripheral devices.