Daikin-McQuay 300050986 Module

The Daikin-McQuay 300050986 CoreSense Module is a critical 115V compressor protection module engineered for high-performance HVACR diagnostics. As a genuine OEM replacement module, it integrates directly with Copeland scroll compressors used in McQuay and Daikin chillers and rooftop units. This Daikin-McQuay 300050986 unit utilizes advanced sensing technology to monitor discharge temperature, current, and voltage parameters in real-time. By identifying electrical faults and thermal overloads before catastrophic failure occurs, this compressor diagnostics module prevents expensive downtime and liquid floodback issues. For technicians in the field, this module simplifies troubleshooting through an onboard LED interface that communicates specific fault codes, ensuring faster service calls and accurate system restoration. This heavy-duty HVAC compressor controller is the industry standard for maintaining the integrity of large-scale commercial refrigeration circuits.

Key Benefits for Technicians

• Advanced Diagnostics: Rapidly identify high discharge temperatures and communication errors via the CoreSense protection technology.
• Direct Compatibility: Drop-in Daikin-McQuay 300050986 replacement specifically calibrated for 115V control circuits and Copeland scroll configurations.
• Proactive Protection: Automatically shuts down the compressor during low-pressure or phase-loss events to prevent mechanical seizure.
• Simplified Wiring: Features standard plug-and-play terminal connections for efficient field installation and commissioning.
• Enhanced System Reliability: Continuous monitoring reduces the risk of repeated component failure by identifying systemic issues within the refrigerant loop.

Common Questions

What do the LED blink codes on the 300050986 indicate?
The LEDs provide visual indicators for specific faults such as locked rotor, motor trip, or sensor failure. Consult the Daikin-McQuay technical manual to match the blink sequence with the corresponding diagnostic code.

Can I use this 115V module on a 24V or 230V control circuit?
No. This specific Daikin 300050986 module is rated strictly for 115V AC power. Using a different voltage source will damage the internal circuitry and void the protection functions.

How does this module communicate with the main system controller?
The CoreSense module uses a dedicated communication link to pass data to the chiller or RTU control board, allowing for remote monitoring and automated alarm logging.

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.