Now variably controlling your 3-phase, belt-driven exhaust fan is simpler than ever with Greenheck's new Vari-Green Drive (VGD). Pre-mounted, pre-wired, and pre-programmed by the manufacturer that knows their fans best eliminates any harmonic-related headaches and installation cost associated with traditional VFDs.
Current features include:
- Potentiometer Dial (4-20mA OR 0-10 VDC input)
- Factory programmed, mounted, and wired
- 24V damper power output
- Compatible with existing Vari Green Controls
- 208/240V (up to 2hp) and 460V (up to 3hp) 3 phase input power options
- NEMA 4x enclosure
- R3 Filtering helps meet IEEE 519 without an external line reactor or filter
Though currently available for roof-mounted centrifugal exhaust fans (GB & CUBE), the VGD will soon be released for Single-Width belt-driven (SWB) fans as well. VGD is an acronym mechanical designers will see more frequently in the future as Greenheck continues to improve and expand the capabilities of Vari-Green technology.
Future features will include:
- 10hp compatibility
- Availability on a wider ranger of models
- Bluetooth smartphone connection for control and advanced configuration
- 3 configurable digital inputs (override, shutdown, pre-set speed)
- Configurable digital output (fault, run status)
- Modbus and BACnet communications
- On board pressure sensor for pressure/airflow control
| In This Issue |
| Vari-Green Technology |
| Airmaid by Interzon |
| DuctSox Fabric Silencer |
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