Variable Frequency Drives

Variable Frequency Drives

Greenheck packages a wide range of variable frequency drives (VFD's) with fan products to meet the performance needs of any ventilation system. VFD's are pre-programmed at the factory with fan parameters to ensure easy start-up in the field. VFD's ship loose and are available in a variety of enclosures. VFD's are only available when selected with a fan product.

OVERVIEW

#

VFD

ACH-180

  • 3 Phase, 230VAC or 380/480VAC
  • Controls motors up to 15 hp
  • NEMA-1 enclosure (ships separate)
  • ModBus RTU and BACnet communication
  • No built-in impedance, requires line retractor
  • 4 digital and 2 analog inputs
  • 1 digital, 1 analog, and 1 relay outputs

ACH-255

  • 1 Phase,
  • 3 Phase,

ACH-580

  • 3 Phase, 230VAC or 480VAC
  • Controls motors up to 30 hp
  • NEMA-1 standard enclosure, with optional NEMA-3R or NEMA-12
  • ModBus RTU and BACnet communication
  • 5% impedance, DC bus choke
  • 6 digital and 2 analog inputs
  • 0 digital, 2 analog, and 3 relay outputs
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