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A-288D Control Board
A-288D Control Board

A-288D Control Board

Regular price $270.90 $0.00
Part Number: ASY-509-X01
Vendor: Micro-Air, Inc. Shipping Weight: 15.0 oz
Shipping calculated at checkout.
Product Overview
The new A-288D Control Board
The A-282 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. It was also sold into a specialty coach/RV application.

This control board is a redesigned, newly manufactured, footprint-compatible replacement that operates identically.
Guides & Information
It preserves the following special legacy features only available on this particular control board.
  • 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.
  • A-288D circuit board / controller is compatible with Dometic / Cruisair displays SMXht or SMXirb with technology SMXII, for SMXII / SMXII R controllers.
  • Works with all SMX-II 6-pin standard control displays including the Micro-Air EasyTouch 589.
This Board controls all of your A/C components, replaces the legacy Cruisair® A-288C, A-288T, and SMXII HV boards:
  • Old mfg p/n 42404
  • New mfg p/n 722300288
A-288D Replacement Power Logic Board
  • Completely new designed and manufactured board.
  • Footprint and connection compatible with the original Cruisair® SMX-II A-288 board.
  • Several design improvements to the original board that enhance reliability and longevity.
  • Replacement OEM A/C Controls.
  • Improved Micro-Air Marine Redesigns.
  • Better Than The Originals.
  • Identical Operation.
  • Newly Manufactured.
  • Footprint-Compatible.

Can these boards be used for new installations?
No these boards replace existing installations only.

Which boards do they replace?

  • ASY-509 replaces A-288D
  • ASY-555 replaces A281-C
  • ASY-426 replaces A-282


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

WARNING - California Proposition 65

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