The drive is designed for building automation applications such as fans, pumps and cooling towers through 500 HP. It features an LCD operator panel with Hand-Off-Auto functions, internal real-time clock with time/date stamping, and timer controls that allow for speed variations without the need for external controls. A built-in 5 percent line impedance reduces input harmonic distortion, while a 5 kHz carrier frequency with dynamic noise control provides quiet motor operation. All Z1000 drives also feature embedded BACnet communications (BTL certified), along with Modbus/Memobus. Closed loop control of fans and pumps for pressure, flow, or temperature regulation is accomplished via the Z1000’s PI feature, which eliminates the need for a closed loop output signal from a BAS. Independent PI is also available to control an external device in your system. The Z1000 Bypass Package is optimized with an Intelligent Bypass and advance BAS interface. When enabled, it can transfer the motor across the line when the application requires 60Hz (usually at peak demand). Removing the drive at 60 Hz saves energy and removes harmonics at worse case conditions.
