UO-D 7000 ND/FU

Unit design

• Stainless steel main frame.
• High pressure piping made of stainless steel with orbital weldings.
• Special inlet filter with 5 µm-filter cartridge and 2 pressure gauges,
• high pressure pump with frequency converter (only Series ND/FU) low noise, multi-stage centrifugal type,
• low energy spirally wound modules with energy-effici- ent PA/PS composite membranes in GRP vessels.
• Valves such as sampling valves for feed water and permeate (each vessel and total), diaphragm valve, stainless l steel valves to regulate the flow rate of  permeate,  concentrate and concentrate recirculation flow rate
• Pressure sensors for pump feed pressure, operating pres- sure and concentrate pressure.
• Flow sensors for permeate, concentrate and   concentrate recirculation flow rate.
• Conductivity measurement permeate with temperature compensation.
• Control cabinet with lockable main switch, electrical switchgear for control of the high-pressure pump.
• Unit is completely wired, pre-assembled and ready for ins- tallation. Electrical equipment in accordance with VDE 0100 part 600, VDE 0113 part 1. Compressed air (oil-free) 4-6 bar required.

Microprocessor control RO digital

• for fully automatic monitoring and control of Reverse Osmosis Unit.
• Process visualization with central display of operational status and data (analogue und digital values ) and hours of operation on 4-line, backlit LCD text display. Simple menu-driven operation of the controller with 6 buttons.
• Automatic logging of relevant operating data (analogue and digital data, 1960 data sets), storage interval programmable.
• Highest operational safety due to adjustable alarms and limits of the operating parameters with selectable system response.
• Operating conditions: permeate production, permeate rejection / recirculation, concentrate displacement / flushing, intermittent flushing when system is idle, shutdown by an external signal.
• Analogue inputs: permeate conductivity (temperature compensated) permeate temperature, feed water, operating and concentrate pressure, flow rates of permeate and concentrate, calculated feed water flow, 2 additional programmable analogue inputs (e.g. for pressure, flow, level measurement).
• Digital Inputs: RO-unit start, RO-unit stop, hard water / motor protection, external stop, 3 universal inputs (free configurable)
• Analogue outputs: 2 universal outputs 4-20mA, e.g. for DDC.
• Digital outputs: high-pressure pump, valve outputs 3x (24 VDC) for example for feed water, concentrate flushing,permeate rejection or recirculation, collective fault indication as a floating changeover contact, universal output.
• LED indicators for power and fault, fault alarms as plain text in the display.

• Limitron 1 1/2″
• Permeate recirculation PR10000/24
• Concentrate rinsing KSE10000/24
• Connector kit (ARA DN 40) for cleaning set MRA
• PROFINET-Interface