Fireye NXF4000 Relay
The Fireye NXF4000 Relay is a high-performance 120VAC parallel position relay and integrated flame safeguard controller engineered for precision in burner management systems. As a veteran-grade fuel-air ratio controller, it eliminates the hysteresis common in traditional jackshaft-and-linkage setups by utilizing microprocessor-based parallel positioning to control up to ten servos within ??0.1?? of accuracy. This Nexus NXF4000 unit supports four independent fuel profiles with 24 points of resolution each, ensuring a smooth combustion curve across the entire firing rate. Designed for professional combustion control maintenance, it features 15 safety-rated digital inputs and programmable user relays to manage complex sequences like valve proving, thermal shock protection, and lead-lag sequencing for up to six boilers. By integrating VFD control and O2 trim capabilities, this relay optimizes thermal efficiency and significantly reduces fuel consumption in demanding industrial environments.
Key Benefits- Enhanced Precision: Delivers ??0.1?? servo positioning to eliminate mechanical slop and improve boiler efficiency.
- Integrated Safety: Combines flame safeguard monitoring with parallel positioning in a single, compact back-panel footprint.
- Flexible Commissioning: Supports four independent fuel profiles and decentralized Modbus communication for daisy-chained servos.
- Advanced Sequencing: Built-in peer-to-peer logic for lead-lag boiler control and thermal shock protection without extra hardware.
How do I resolve servo communication errors on the NXF4000?
Ensure all servos are daisy-chained via Modbus wiring and that the rotary address switches are correctly set to unique positions. Check that the internal 85W power supply is not overloaded; high-torque servos like the FX50 may require an external 24VDC power source.
Can this relay be used for dual-fuel applications with a VFD?
Yes, the NXF4000 is best-in-class for dual-fuel systems. By installing an optional NXCESVFD card, you can manage unique profiles for each fuel with or without VFD bypass functionality.
What is the proper way to set up the airflow switch check?
Technicians should wire the combustion air switch into the safety loop and program digital inputs 10 and 11 as normally open and normally closed. This configuration allows the Fireye NXF4000 to verify the switch state during both idle and purge cycles.
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.
Original: $1,736.16
-65%$1,736.16
$607.66Fireye NXF4000 Relay
The Fireye NXF4000 Relay is a high-performance 120VAC parallel position relay and integrated flame safeguard controller engineered for precision in burner management systems. As a veteran-grade fuel-air ratio controller, it eliminates the hysteresis common in traditional jackshaft-and-linkage setups by utilizing microprocessor-based parallel positioning to control up to ten servos within ??0.1?? of accuracy. This Nexus NXF4000 unit supports four independent fuel profiles with 24 points of resolution each, ensuring a smooth combustion curve across the entire firing rate. Designed for professional combustion control maintenance, it features 15 safety-rated digital inputs and programmable user relays to manage complex sequences like valve proving, thermal shock protection, and lead-lag sequencing for up to six boilers. By integrating VFD control and O2 trim capabilities, this relay optimizes thermal efficiency and significantly reduces fuel consumption in demanding industrial environments.
Key Benefits- Enhanced Precision: Delivers ??0.1?? servo positioning to eliminate mechanical slop and improve boiler efficiency.
- Integrated Safety: Combines flame safeguard monitoring with parallel positioning in a single, compact back-panel footprint.
- Flexible Commissioning: Supports four independent fuel profiles and decentralized Modbus communication for daisy-chained servos.
- Advanced Sequencing: Built-in peer-to-peer logic for lead-lag boiler control and thermal shock protection without extra hardware.
How do I resolve servo communication errors on the NXF4000?
Ensure all servos are daisy-chained via Modbus wiring and that the rotary address switches are correctly set to unique positions. Check that the internal 85W power supply is not overloaded; high-torque servos like the FX50 may require an external 24VDC power source.
Can this relay be used for dual-fuel applications with a VFD?
Yes, the NXF4000 is best-in-class for dual-fuel systems. By installing an optional NXCESVFD card, you can manage unique profiles for each fuel with or without VFD bypass functionality.
What is the proper way to set up the airflow switch check?
Technicians should wire the combustion air switch into the safety loop and program digital inputs 10 and 11 as normally open and normally closed. This configuration allows the Fireye NXF4000 to verify the switch state during both idle and purge cycles.
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.
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Description
The Fireye NXF4000 Relay is a high-performance 120VAC parallel position relay and integrated flame safeguard controller engineered for precision in burner management systems. As a veteran-grade fuel-air ratio controller, it eliminates the hysteresis common in traditional jackshaft-and-linkage setups by utilizing microprocessor-based parallel positioning to control up to ten servos within ??0.1?? of accuracy. This Nexus NXF4000 unit supports four independent fuel profiles with 24 points of resolution each, ensuring a smooth combustion curve across the entire firing rate. Designed for professional combustion control maintenance, it features 15 safety-rated digital inputs and programmable user relays to manage complex sequences like valve proving, thermal shock protection, and lead-lag sequencing for up to six boilers. By integrating VFD control and O2 trim capabilities, this relay optimizes thermal efficiency and significantly reduces fuel consumption in demanding industrial environments.
Key Benefits- Enhanced Precision: Delivers ??0.1?? servo positioning to eliminate mechanical slop and improve boiler efficiency.
- Integrated Safety: Combines flame safeguard monitoring with parallel positioning in a single, compact back-panel footprint.
- Flexible Commissioning: Supports four independent fuel profiles and decentralized Modbus communication for daisy-chained servos.
- Advanced Sequencing: Built-in peer-to-peer logic for lead-lag boiler control and thermal shock protection without extra hardware.
How do I resolve servo communication errors on the NXF4000?
Ensure all servos are daisy-chained via Modbus wiring and that the rotary address switches are correctly set to unique positions. Check that the internal 85W power supply is not overloaded; high-torque servos like the FX50 may require an external 24VDC power source.
Can this relay be used for dual-fuel applications with a VFD?
Yes, the NXF4000 is best-in-class for dual-fuel systems. By installing an optional NXCESVFD card, you can manage unique profiles for each fuel with or without VFD bypass functionality.
What is the proper way to set up the airflow switch check?
Technicians should wire the combustion air switch into the safety loop and program digital inputs 10 and 11 as normally open and normally closed. This configuration allows the Fireye NXF4000 to verify the switch state during both idle and purge cycles.
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.
