4.4 Design details
Design
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Highly efficient, maintenance-free wet rotor pump (glandless)
Drive
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Electronically commutated synchronous motor with permanent magnet rotor
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230 V - 50 Hz
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IP42 enclosure
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Thermal class F
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Temperature class TF 110
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Variable speed electric drives to EN 61800-3 EMC requirements
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Interference emissions EN 61 000-6-3
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Interference immunity EN 61 000-6-2
Bearings
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Product-lubricated special plain bearing
Connections
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Screw-ended or flanged
Operating modes
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Automatic mode with variable differential pressure
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Open-loop control mode with external 0 - 10 V setpoint signal for speed
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Open-loop control mode with manual setpoint input
Automatic functions
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Continuous output adjustment depending on the operating mode
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Deblocking function
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Soft start (slow start)
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Full motor protection with integrated trip electronics
Manual functions
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Setting the operating mode
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Setting the differential pressure setpoint
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Setting the speed level
External control functions
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Control input "start/stop"
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Control input for remote speed adjustment 0-10 V
Signalling and display functions
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General fault indication (volt-free changeover contact)
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Fault indication, display of error codes
Interfaces
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Serial digital Modbus RTU interface for connecting higher-level automation
systems via the RS485 system bus
Twin pump management
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Duty/stand-by mode with timer-controlled pump changeover every 24 hours and
automatic changeover in the event of a fault
4 Description of the Pump (Set)
Rio-Eco N / Rio-Eco Z N / Rio-Eco Therm N
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