4 Description
16 of 48
Hya-Duo D FL Compact
– Tank with inlet device and flushing device, overflow monitoring and dry
running monitoring
2)
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Vibration damping
Installation
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Stationary dry installation
Drive
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Three-phase asynchronous motor
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380 / 420 V, 50 Hz
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2 poles
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Enclosure IP55
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Efficiency class IE3 to IEC 60034-30
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Soft starter for each pump
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Pressure-controlled starting and flow-controlled stopping
Automation
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Electro-mechanical control system, IP54
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Timer
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Manual-automatic selector switch
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Phase monitoring relay
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In automatic mode, the motor protection circuit only outputs an alert.
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Terminal strip/terminals with identification for all connections
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Pressure switch or remote ON/OFF, monitored for broken wires and short circuit
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Circuit diagram to VDE and parts list for electric parts
Indication via indicator lamps:
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Colour LED indicating lack of water (red)
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Colour LED indicating a fault (amber)
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Colour LED indicating readiness for operation (green)
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Colour LED indicating operation started by pressure switch or remote ON/OFF
(white)
Indication via volt-free isolating terminals:
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Lack of water
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Overflow
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Position of manual-automatic selector switch
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Pump control via pressure switch or remote ON/OFF
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General fault message
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Drinking water stop
Monitoring for broken wires and monitoring for short circuit:
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> 10.3 kΩ: broken wire
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10 kΩ: good state
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1 kΩ: pump start through actuation of limit switch
▪
< 300 Ω: short circuit
2)
Supplied assembled and pre-set. The electrical components can be connected and disconnected at the control cabinet via
plug-type connections.
