Daikin-McQuay 2523376 Control Board

The Daikin-McQuay 2523376 Control Board is a mission-critical OEM PCB replacement designed for high-performance commercial and industrial HVAC systems, including Daikin Fit and McQuay rooftop units. This integrated control module serves as the primary processing hub, regulating input signals from thermistors and sensors to manage compressor inverter frequency and expansion valve timing. Built for precision in demanding environments, the PC board facilitates seamless communication between indoor and outdoor sections, resolving common HVAC communication errors and intermittent system shutdowns. Its compact, multi-layer design ensures a direct-match fit for existing cabinet configurations, allowing for efficient field installation and restoration of factory-standard HVAC logic control. Technicians rely on this specific Daikin circuit board to maintain system efficiency and prevent the electrical failures often associated with moisture-related corrosion in older PCB units.

• Precise System Regulation: Provides exact oversight of cooling and heating cycles, ensuring optimal energy performance.
• Direct OEM Compatibility: Engineered as a drop-in replacement for Daikin-McQuay 2523376, eliminating the need for wiring modifications.
• Reliable Communication Logic: Specifically designed to resolve digital signaling issues between HVAC control modules.
• Robust Build Quality: Features specialized coatings to resist environmental degradation and circuit fatigue common in commercial rooftops.

Is this board compatible with Daikin Fit air handlers?
Yes, the 2523376 control board is frequently used in Daikin Fit inverter systems and various commercial McQuay equipment. Always verify your serial and model number before installation.

Will this resolve a "U4" or "UA" communication error?
While these codes often point to the PCB, you should first check for corroded wiring or poor terminal connections. If the wiring is sound, replacing the printed circuit board is the standard industry step.

How do I configure the dip switches on this replacement board?
Replacement control boards should be set to match the original factory settings of the unit being serviced. Refer to the system wiring diagram on the access panel for specific jumper and switch positions.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.