Description
The Raychem Elexant 550c-Modbus is a DIN-rail mounted controller for hot water temperature maintenance systems, designed for use with the Raychem HWAT-L, -M and -R self-regulating heating cables. It supports two independent heating zones and features a colour touchscreen for intuitive local operation.
With integrated RS-485 Modbus communication, the controller enables remote configuration, monitoring, and alarm reporting, ensuring seamless integration with Building Management Systems (BMS). Advanced control functions provide energy efficiency, system safety, and hygiene compliance, including temperature setback and thermal disinfection.
Features:
• Controls 2 independent heating zones
• Colour touchscreen interface
• Flexible hot water temperature maintenance control
• Energy-saving setback function for periods of low water consumption
• Legionella prevention (thermal disinfection) function
• RS-485 Modbus communication for BMS integration, monitoring, and alarms
• Alarm relay with changeover contact for power, sensor, or communication faults
• Hot water storage and pipe temperature monitoring with high/low temperature alarms and system shutdown
• Off-site configurable prior to installation
• DIN-rail panel mountable





