NEW Micro-Air U-Board – Direct Replacement fits Dometic Control U-Board used in direct expansion, self-contained, and chiller systems. This board works with either 6 or 8 pin cables, and most Dometic, Cruisair, and Marine Air displays/controls.
Q-Logic: Qht, Q3 SMXII: SMXII AB (Special Adapter needed to connect control to new Dometic U-board)
How To Identify Systems With The U-Board
A way to identify a unit with the new “U”-board, is by checking the unit’s model description: The letter “U” after the BTU number means the unit contains the new U-control board. For example: DTU16 = 16,000 BTUs.