A-288D Control Board - ASY-509-X01

The A-288D Control Board is part of a legacy DX & TW cabin control system sold from the late 1990s through the present and was recently discontinued by the OEM.

This control board is a redesigned, newly manufactured, footprint-compatible replacement that operates identically. It preserves the following special legacy features only available on this particular control board.

This board is compatible with Dometic / Cruisair displays SMXht or SMXir with technology SMX II, for SMX II controllers.

This Board fits Dometic / Cruisair part number: 722300288 / 42404

Benefits of the A-288D Replacement Power Logic Board

• Completely new designed and manufactured board.
• Footprint and connection compatible with the original Dometic® / Cruisair® SMX II A-288 board.
• Several design improvements to the original board that enhances reliability and longevity.
• Works with all SMX II 6-pin standard control displays including the Micro-Air EasyTouch 589 (Dometic Smart Touch replacement).
• Replacement OEM A/C controls.
• Improved Micro-Air marine redesigns
• Better than the original
• Identical operation
• Newly manufactured
• Footprint-compatible

Control Board Legacy Features 

• Legacy OEM network capability
• Aux Heat in DX and Coach applications
• Outside Air Temp Sensor support
• Virtual Pump Relay operation via networking
• 2-speed fan output support
• Compatibility with all of the original legacy control displays, 6-pin RJ-12 display, and network interfaces.

Frequently Asked Questions

Can these boards be used for new installations?    

No these boards replace existing installations only.

Is the board a direct replacement?

Yes, it looks slightly different from the original board but the connections and mountings are all the same.  

Are these boards dual voltage?    

Yes, they operate from 85 to 240 volts AC.