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Bard 8612-066BX - Main I-O Control Board
The Bard 8612-066BX Main I-O Board (boxed) is the OEM main input/output control board used in Bard MC5000 series controllers, including MC5300 and MC5600 applications, where it serves as the primary wiring and signal hub between the controller and up to three Bard wall-mount air conditioners or heat pumps. It provides the terminal connections and control interfaces needed for system staging and options like mechanical dehumidification, electric heat, economizer, and ventilation, along with field inputs such as theft, vent, generator run, emergency off, and remote temperature sensors. If your controller is showing input faults, lost outputs, or inconsistent unit enable calls, replacing the main I-O board with the correct Bard OEM 8612-066BX helps restore dependable communication and proper equipment operation while maintaining factory-correct fit and terminal layout.
- Technical Specifications
- Product number: 8612-066BX
- Manufacturer description: Main I-O Board - Boxed
- HTS Code: "8415.90.8085"
$384.00
What does the "BX" suffix mean?
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.