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Cerus Industrial Inc.: VFD Energy Management Bypass

Cerus Industrial Inc.: VFD Energy Management BypassThe P-Series line of variable-frequency drives (VFDs) has been enhanced with an Energy Management Bypass (EMB) option. The option ensures uninterruptible operation of customers’ HVAC systems, even if the drive is taken out of the loop for some reason, including reprogramming or maintenance operations. With integrated real-time ANSI-grade power metering and BACnet communications, the unit accurately measures consumption in both VFD and bypass mode to ±1 percent. The EMB also provides advanced motor protection in bypass mode which would typically only be available through the VFD (overvoltage/undervoltage, ground-fault, phase-loss, phase-reversal, and belt-loss protection). With integrated metering and programmable options via an external keypad, the EMB offers a solution to the measurement and verification requirements for establishing Leadership in Energy and Environmental Design (LEED) certification. Other bypass solutions require external meters and modifications to be made by opening the panel, exposing high-voltage connectors.

Cerus Industrial Inc.
800-962-3787
www.cerusind.com

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