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
ACH-255
ACH-580
- 3 Phase: 200-240Vac 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 reactor
- 5 digital and 2 analog inputs
- 1 digital, 1 analog, and 1 relay outputs
- Available on:
- Inline – SQ, AX, QEI, QEID, TDI, TBI, GJX
- Lab Exhaust – Vektor-H/CH/CD/MD/MH
- Panel – AER
- Rooftop Exhaust – G, CUE, CUE-WALL, TAUD, TAUB
- Vane Axial – VAD, VAB
ACH-255
- 1 Phase: 110-120Vac
- 3 Phase: 200-240Vac*, 380-480Vac* or 500-600Vac (*Only available on the NEMA-4X enclosure)
- NEMA-1 or NEMA-4X enclosure (ships separate)
- Controls motors up to 15 HP
- Modbus RTU
- No built-in impedance, requires line reactor
- 2 digital and 2 programmable (analog or digital) inputs
- 1 programmable (analog or digital) and 1 relay outputs
- Available on:
- Inline – AX, QEI, QEID, TDI, TBI, GJX
- Lab Exhaust – Vektor-H/CH/CD/MD/MH
- Rooftop Exhaust – TAUD, TAUB
- Vane Axial – VAD, VAB
ACH-580
- 3 Phase: 200-240Vac, 380-480Vac, or 500-600Vac
- Controls motors up to 30 HP
- NEMA-1 (standard), NEMA-3R or NEMA-12 enclosure
- Modbus RTU and BACnet communication
- 5% impedance, DC bus choke
- 6 digital and 2 analog inputs
- 0 digital, 2 analog, and 3 relay outputs
- Available on:
- Inline – AX, QEI, QEID, TDI, TBI, GJX
- Lab Exhaust – Vektor-H/CH/CD/MD/MH
- Rooftop Exhaust – TAUD, TAUB
- Vane Axial – VAD, VAB