FTA3100S Series (MarkIII+)

The Firetrol FTA3100S Series MarkIII+ Fire Pump Controller is a solid‑state variable frequency drive (VFD) fire pump controller designed for precise control of motor‑driven fire pumps in fire protection systems. It automatically starts the fire pump when a system pressure drop is detected and provides smooth motor acceleration while minimizing electrical and mechanical stress during startup and operation.

The controller features the Mark III+ microprocessor platform with an integrated touchscreen interface that provides system monitoring, electrical metering, event logging, and diagnostics. It supports automatic testing, real‑time pressure monitoring, and communication capabilities for integration with building management systems.

Built with heavy‑duty components and compliant with fire protection standards, the FTA3100S Series is commonly used in commercial, industrial, and high‑rise applications where controlled speed operation, reduced electrical disturbance, and energy efficiency are critical.

Technical Specifications

Starting Method: Across-the-line (Full Voltage Starting)

Motor Rating:

• 208 - 240 V - up to 300 HP
• 380 - 480 V - up to 600 HP
• 600 - 690 V - up to 800 HP

Controller Interface: Mark III+ capacitive touchscreen HMI

Control System: Microprocessor / PLC-based VFD controller

Pressure Monitoring: Pressure transducer with digital display

Electrical Monitoring:

• True RMS voltage and current metering
• Real-time electrical data display

Data & Communication:

• Event and pressure data logging
• USB data export
• Modbus TCP/IP communication capability

Testing & Operation:

• Weekly automatic test timer
• Manual start/stop controls
• Emergency manual run mechanism

Enclosure: NEMA Type 2 (IP22)

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