Daikin-McQuay 668105711-6.2 I/O Expansion Control Board MicroTech III

The Daikin-McQuay 668105711-6.2 is an I/O expansion control board designed specifically for Enfinity water source heat pump systems equipped with MicroTech III unit controllers. This auxiliary control module extends the functionality of the main control board to manage additional system features and components.

Key Features:

• Compatible with MicroTech III controller systems on Enfinity WSHP models
• Enables control of electric heat coils and multiple fan speeds
• Operates on 24V AC at 50/60Hz frequency
• Board version 6.2 with specific firmware compatibility
• Designed for Enfinity console, vertical, and horizontal ceiling water source heat pumps
• Works with various Enfinity model ranges including MHC/MHW, VFC/VFW, CCH/CCW, and LVC/LVW series
• Direct replacement for earlier 668105702 expansion boards
• Integrates with standalone or networked HVAC control systems

Applications:

This expansion module is essential for Enfinity WSHP systems requiring enhanced control capabilities beyond the standard MicroTech III controller. It provides the additional input/output connections necessary to operate supplementary heating elements and variable-speed blower motors, enabling precise zone temperature control in commercial buildings, schools, offices, assisted living facilities, and multi-unit residential applications.

Important:

This control board requires programming to match your specific unit configuration. When ordering, provide your unit model number, serial number, and current software version information to ensure proper programming and compatibility.