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Micro-Air
Micro-Air A-288D Control Board - ASY-509-X01
Item: #2205535 | Part Number: ASY-509-X01$353.82
Description
The Micro-Air A-288D Control Board ASY-509-X01 is a reliable drop-in replacement for Cruisair systems from the late 1990s to 2017. Designed for dual voltage operation and seamless OEM network integration, it restores full system control with improved dependability and flexible installation options.
Micro-Air A-288D Control Board - ASY-509-X01 Item # 2205535
Description
This replacement A-288D control board is designed for Cruisair systems from the late 1990s to 2017. It offers direct compatibility with existing electrical boxes and supports dual voltage operation for versatile use.
Features:
- Redesigned drop-in replacement for legacy control boards with improved reliability
- Supports dual voltage operation at 115V and 230V for flexible installation
- Includes two six-pin connectors for display and temperature sensor integration
- Maintains legacy OEM network functions for seamless system communication
- Enables auxiliary heat support in both DX and coach applications
- Supports outside air temperature sensor for enhanced environmental control
- Offers virtual pump relay operation through network connectivity
- Provides two-speed fan output for adjustable airflow management
- Features soldered five-screw terminal block with spade connector compatibility
Specifications:
- Dimensions (L x W): 5" x 5.2" (127 x 132 mm)
- Voltage: 115V / 230V dual voltage
- Replaces Part Numbers: Cruisair 42404, Dometic 722300288
Compatibility:
- Replaces Cruisair A-288C, A-288T, and SMXII HV Control Boards
Part Numbers for Micro-Air A-288D Control Board - ASY-509-X01
Reviews
Rated 5 out of
5
by
Brett from
Great alternative to replacing the AC unit.
I was nervous at first. The unit is so old and wasn't sure it was worth fixing. I installed the new board and every wire had a connection point without having to guess at anything. It came right on and has worked great. The only difference I noticed was that it wont alternate the temp display between room temp and setpoint any longer. Very small trade off for being able to avoid replacing the whole AC unit.
Date published: 2026-05-19