Honeywell 301-C-DLC Controller

The Honeywell 301-C-DLC is a high-performance gas detection controller designed for centralized monitoring and control in commercial and industrial HVACR environments. Built with a durable ABS polycarbonate enclosure, this unit serves as the direct replacement for legacy models M-504801, M-508918, and VA301C-DLC. Utilizing an addressable RS-485 Modbus protocol, the 301-C-DLC supports daisy-chain wiring to manage up to 96 transmitters across three input channels, significantly reducing installation complexity and cabling requirements.

Engineered for technical precision, the controller features specialized zoning and averaging capabilities, allowing technicians to configure up to 126 zones to prevent unnecessary fan activation from localized gas fluctuations. The integrated datalogger provides comprehensive event tracking for up to 768 events, accessible via the backlit dot-matrix display. Transitioning to this 301C controller ensures full compatibility with E3Point and XCD gas sensors while providing four fully programmable DPDT relays for robust automation and safety signaling.

• System Compatibility: Direct replacement for VA301C-DLC, M-508918, and M-504801 ensures seamless migration for existing gas monitor systems.
• Scalable Architecture: Manages up to 96 transmitters and relay modules with a maximum communication distance of 2,000 feet per channel.
• Energy Optimization: Advanced zoning and averaging logic reduces fan run-time and extends relay service life through intelligent setpoint management.
• Technical Interface: Features a graphic 122 x 32 dot-matrix display and simplified keypad for field-level programming and real-time status diagnostics.
• Operational Reliability: Includes internal audible alarms (65dBA) and visual LED indicators for Alarm Level 1, 2, 3, and system faults.

• What power supply is required for the 301-C-DLC? The unit operates on 17-27 VAC (50/60 Hz) at 8.6 VA or 24-38 VDC at 350 mA.
• Can I use this controller to monitor different gas types simultaneously? Yes, the Honeywell 301C supports interchangeable transmitters for toxic, combustible, and oxygen hazards on the same network.
• How do I access the datalogger information? Historical data and event logs can be reviewed directly through the system’s alphanumeric display menu or exported via a configured communication port.

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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.