EF: 24in / 600mm Square Therma-Fuser™ VAV Diffuser

Interoperable Series (Electric)

Special Features:

  • Native BACnet™
  • Four blade dampers provide superior air distribution and quieter operation
  • Individual comfort over a wide range of control
  • 2 year warranty

Model EF Therma-Fuser™ diffusers are 24in / 600mm square ceiling VAV diffusers with built-in DDC controller, temperature sensors, and flow sensors providing VAV cooling and VAV heating. Four blade dampers move open and close to meter air flow (warm or cool) into the room in response to room temperature. The dampers are modulated by a brushless DC stepper motor. Room air is positively induced over the built in temperature sensor or optionally sensed at the wall mounted Adjuster for an accurate measurement of room temperature in both cooling and heating.

The controller uses an ‘expert system’ control and over the BACnet™ network provides extensive data from each diffuser including: room temperature, duct temperature, air flow rate, multiple set point options, multiple override options, and specialty features that can be used with other devices on the network such as CO2 sensors and occupancy sensors.

TECHNOLOGICALLY ADVANCED COMFORT – EXPERIENCE THE BENEFIT OF HIGH TECH, HIGH QUALITY ACUTHERM PRODUCTS

  • DDC Interoperable – BACnet™
  • Separate temperature set points for VAV heating and VAV cooling
  • Superior air distribution – longer throws, no dumping, more entrainment, even temperature distribution, and better room air change effectiveness
  • Lowest energy VAV terminal – green VAV
  • Easily adapts to office changes

Specifications:

  • Actual Size: 23.75×23.75in / 603x603mm (595mm available)
  • Shape: Square
  • Damper Type: Blade
  • Protocol and Actuator: B-M: BACnet™ with Electric Motor
  • Nominal Neck Size:
    • 6in / 150mm
    • 8in / 200mm
    • 10in / 250mm
    • 12in / 300mm
  • Pressure Ranges: 0.05 to 0.25 in wg (12 to 62 Pa)
  • Air Volumes: 100 to 720 CFM (45 to 340 l/s)
  • Throw: 6/4/3 to 17/14/12 ft (1.7/1.2/0.9 to 5.1/4.2/3.6 m)
  • Noise: 15 to 34 NC

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