NexRev Inc.: VFD Equipment Upgrade
The DrivePak™ Advanced Rooftop Control (ARC) is an expanded model of NexRev’s DrivePak HVAC retrofit upgrade, and incorporates advanced controls. The upgrade incorporates integrated economizer control and CO2 Demand Control Ventilation (DCV) with its DrivePak load-matching fan speed control. Built-in fault detection further addresses a problem related to failed or nonfunctioning economizer equipment, providing notification of abnormal behavior or malfunctioning equipment. Older units can be updated to meet standards set for new rooftop unit equipment.