WEG Variable Speed Drives CFW501

Features and Benefits

• Fire Mode: This function makes the drive to inhibit its internal faults making the motor run at adverse conditions without stopping the process.
• Bypass: Using one of its output relay, the CFW501 HVAC allows the motor to be started cross the line. An external circuitry is needed for this operation.
• Sleep/Wake-up Mode: It prevents the operation of the motor at low speeds for a certain amount of time to be previously programmed. Also the instant when the motor has to be restarted can be determined by using the wake-up mode.
• Short Cycle Protection: It prevents a compressor/motor from being switched on and off in short periods of times.
• Broken Belt: It monitors motor torque and prevents it from running with no load in case of a broken belt.
• Dry Pump: It prevents the pump from running with no load.
• Energy Saving: Depending on the motor speed and load conditions, the flux is reduced decreasing losses and therefore efficiency is improved causing energy saving.
• Filter Maintenance Alarm: It warns about the need to replace the filter.