Contents 1 Introduction.4 2 Important information.4 3 Warranty.5 4 Safety instructions.5 4.1 Before mounting and adjusting the actuator to the valve or before troubleshooting. 5 4.2 Before startup. 5 4.3 During operation. 5 4.4 Classification. 5 5 Environmental conditions.6 6 Warnings.6 7 Description of the system.7 7.1 Water Valve Control Unit (WCU). 8 7.1.1 Operation. 9 7.2 Actuator. 10 7.2.1 Actuator force/torque. 10 7.3 Battery Backup (WCU-UPS). 10 8 Dimensions.11 9 Intended use.13 10 Assembling and commissioning the system.13 10.1 Installing the Actuator. 13 11 Mounting and adjusting the actuator to fit with the valve.14 11.1 Sluice gate, slide gate, gate- and knife gate valves. 14 11.2 Quarter-turn valves . 14 12 Wiring.14 12.1 Wiring the actuator to the WCU. 14 12.2 Wiring the WCU to power supply. 15 12.3 WCU connection diagram . 16 12.3.1 Wiring of WCU Basic to quarter-turn valves and gate valves - analogue signal processing. 17 12.3.2 Wiring of WCU Basic to tilting weir - analogue signal processing. 18 12.3.3 Wiring the WCU Basic to quarter-turn valves and gate valves - digital signal processing. 19 12.3.4 Wiring the WCU Basic to tilting weir - digital signal processing. 20 12.4 Wiring of WCU Bus to PROFIBUS. 21 12.5 Wiring the Battery Backup (WCU-UPS) to the WCU. 22
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