The HV600 variable frequency drive (VFD) are designed for use in HVAC (building automation) applications that require reliable system control. The HV600 is available in several enclosure configurations including IP20/UL Type 1, IP55/UL Type 12, and IP20/Protected Chassis protection classes. Every HV600 comes with HVAC application-specific software presets, a Hand-Off-Auto LCD keypad, a high-visibility Status Ring for quick visual indication of drive status, and a real time clock for system accuracy.