The Fireye NXF4000 control is an advanced combustion efficiency control system for all types of combustion systems, with an integrated flame safeguard. Best-in-class support for four fuel profiles allows these controls to accommodate a large variety of applications. Up to ten servos can be connected in total, with three sizes available: 4Nm (3 ft.-lb.), 20Nm (15 ft.-lb.) and 50Nm (37 ft.lb.).
- Four available fuel profiles with up to four connected servos per profile
- Ten servos can be connected in total with non-monotonic operation
- Three servo choices: 4Nm (3 ft.-lb.), 20Nm (15 ft.-lb.) and 50Nm (37 ft.lb.)
- Built-in 24VDC power supply for servos, user interfaces and accessories
- Internal flame safeguard functionality w/ IR or UV amplifiers for use with standard flame scanners
- Available with direct-coupled amplifier for use with integrated flame scanners
- Intelligent valve proving for two- or three-valve systems
- Input option for airflow switch test
- Input option for fuel valve proof of closure
- Five 4-20mA analog inputs are available
- 15 programmable line-voltage digital inputs available
- One user-defined 4-20mA analog output is available
- 3 user-defined line-voltage digital outputs available
- Optional VFD interface card adds allows up to two VFDs to be connected, with 4-20mA or encoder
feedback and up to two user-defined 4-20mA analog output. - Two optional O2 trim probes available (standard and high temperature) for monitor and control
- Boiler efficiency calculation available with optional O2 trim
- Thermal shock algorithm is available for cold starts
- Up to six boilers can be connected for peer-to-peer sequencing
- Internal PID load control is available for precise steam or hot water setpoint control
- External 4-20mA signal can be connected for direct control by building automation or PLC
- Hot standby function can be used to maintain a hot water setpoint so
boiler is always ready to make steam quickly - SD card slot for backup and restore parameters (standard SD included in carton)
- Modbus RTU via RS-485 for connection to building automation or PLC
- BACnet/IP, BACnet MS/TP and Ethernet/IP available via MB485ETH-CG gateway
- Standard 4.3” touchscreen user interface with virtual four-line display and function buttons
- Optional 7” or 12” touchscreen user interface with Modbus TCP server, remote VNC viewer and additional
features can be used with or in place of 4.3” user interface - Small footprint with no wiring base (integrated terminal blocks)
- Expert support from the Adaptive HVAC Supply team
David Marks –
So many things to say about Fireye NXF4000. I have not seen a controller that is so easy to learn and operate. It makes parallel position less intimidating due to its simplicity and intuitive menu system. Performance is off the charts… love it!