NES FG Series Garage Ventilation Controller


The NES FG controller is designed to serve as a “stand-alone” demand-control ventilation (DCV) system for small- to medium-sized commercial garages, but it can be readily scaled to comport with BACnet® and Modbus® communication protocols and deliver a high degree of functionality and value-added features.

It can be configured to control up to 25 devices (gas sensors and VFDs).

The NES FG controller incorporates an EasyIO controller with a Sedona programming framework, and it controls parking garage ventilation systems via a 4 to 20 mA signal from either BACnet- or Modbus-communicating, NES Series 100 and NES Series 200 Electrochemical CO sensors.

The NES FG controller is Internet accessible via any Internet browser, with an optional, onboard display to facilitate trouble-free commissioning, system adjustments and troubleshooting.  The controller is designed to control a single zone or multiple zones, and it can control multiple garage fan motors and VFDs.

Key Features

  • Sedona Based Controller.
  • Panel-mounted, 9-inch Android display – for stand-alone systems.
  • Drivers specific to BACnet® and Modbus® to communicate with an existing, corresponding building management system (BMS).
  • Accessibility by any web browser.
  • Adjustable occupied, unoccupied, enable and purge schedules.
  • Can provide alerts for calibration and replacement of sensors.
  • Can provide critical alarm notification via emailed notifications.
  • Trending available for all points, and trend reports can be generated and saved as a PDF or as an excel document on your PC.


  • Front panel interface to allow power and communications for laptops – when a wireless router is not employed.
  • Wireless router.

 Product Specifications (PDF)

NES FG Series Garage Ventilation Controller
NES FG Series Garage Ventilation Controller
Nagle Energy