OVERVIEW AND USEFUL INFORMATION ABOUT REVERSE OSMOSIS SYSTEMS

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Jonah McKinney
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1 OVERVIEW AND USEFUL INFORMATION ABOUT REVERSE OSMOSIS SYSTEMS

sensotrol water softener Uo-d reverse osmosis unit COMMUNICATION

.. Æ digitalisation Process visualisation remote monitoring &

and ro digital controllers are optionally equipped with bus

visualisation of current operating status / conductivity values

pilot distributors / amount of soft water produced and residual

messages displayed individually visualisation of current

temperature, conductivity and level / digital inputs such as

2 sensotrol water softener Uo-d reverse osmosis unit COMMUNICATION VIA BUS-SYSTEMS PROFINET AND MORE... Æ digitalisation Process visualisation remote monitoring & control extensively tested and long-term proven herco sensotrol and ro digital controllers are optionally equipped with bus interfaces to provide their complete data range for existing Plc infrastructure. Æ sensotrol water softener Uo-d reverse osmosis unit visualisation of current operating status / conductivity values / current water fl ow rate / status of operating valves and pilot distributors / amount of soft water produced and residual quantity / settings for plant operating mode / all current messages displayed individually visualisation of current operating status / analogue inputs such as pressure, fl ow, temperature, conductivity and level / digital inputs such as levels / external signals such as stop and demand / cumulative water volumes / digital controls for pump and valves / unit operating hours counter / all current messages displayed individually 24

modular systems for efficient reverse osmosis technology Herco makes life easy

optional accessories Pressure booster unit DEFU 2 x 10 M our large range of standard

Please contact us if you require a higher rate.

series offers made-to-measure equipment for every application: - uo/uo-d series 120 500

(with duplex softener) - uo-d series 600 2,000 l/h with ro digital also as combi c or

lower water consumption thanks to high permeate recovery of up to 90 % - nd/p series

pressure unit: most hygienic design preventing microbiological contamination - uo-d as

option herco reverse osmosis units are economical every unit can be adapted perfectly

customers, but also a highly competitive price and cost-effi cient operation thanks to

definitions soft water: water that has been pre-treated with a water softening unit.

3 modular systems for efficient reverse osmosis technology Herco makes life easy ECOTROL-D 1000 mounted on a skid Reverse osmosis unit UO 6000 KR/FU Tank RET 4000 with optional accessories Pressure booster unit DEFU 2 x 10 M our large range of standard reverse osmosis equipment covers permeate rates from 80 to 30,000 litres per hour. Please contact us if you require a higher rate. herco reverse osmosis units are outstanding the specifi c design of the different series offers made-to-measure equipment for every application: - uo/uo-d series l/h: ro 524 or ro digital controller, as combi c (with simplex softener) or as combi cd (with duplex softener) - uo-d series 600 2,000 l/h with ro digital also as combi c or combi cd and available with frequency converter fu for energy savings of more than 30 % as an option. the new uo-d 2000 with vertical pressure vessels for a small footprint - Kr series lower water consumption thanks to high permeate recovery of up to 90 % - nd/p series highest salt rejection rates of up to 99 % and higher - uo-ed Z series our counter pressure unit: most hygienic design preventing microbiological contamination - uo-d as / fu series lowest energy consumption; additional energy saving kits available as an option herco reverse osmosis units are economical every unit can be adapted perfectly to your needs due to herco's modular concept of the whole water treatment line and the ability to add options and accessories. special versions and special permeate capacities can be manufactured at any time. don't hesitate to contact us. herco water treatment equipment does not only mean maximum reliability for you and your customers, but also a highly competitive price and cost-effi cient operation thanks to optimised consumption. definitions soft water: water that has been pre-treated with a water softening unit. we are happy to provide a quote for a unit to suit your specifi c needs. hardness stabilised drinking water: small amounts of antiscalant are added to the feed water upstream of the reverse osmosis unit in order to prevent salt deposits on the membranes (scaling). fu: Pump with frequency converter to save energy. these pumps at least comply with the requirements of energy effi ciency class ie3, up to 4 kw even ie5. 25

4 Basic data needed to select the right reverse osmosis/edi system for your needs 1. Quality and source of the feed water to be demineralised (analysis, pre-treatment) 2. Permeate rate (per hour and per day on average) 3. Permeate quality (conductivity) 4. Controller type (µp controllers RO 524, RO 1000, RO digital, others) 5. Type of pre-treatment, equipment available on site, primary pressure, permeate counter pressure, installation site, transport to location, etc. 6. Significance of the running costs (electric energy, wastewater) How to select the right reverse osmosis system Feed water: softened city water (free of chlorine) Example for Herco product name codes: UO-D 2000 CD UO = Reverse osmosis -D = RO digital controller 2000 = Permeate capacity in l/h CD = combi series with duplex softener Definitions: ARA = Connection kit for manual cleaning unit DOSIN = Dosing system FU = Frequency converter KSE = Concentrate flushing unit KVP = Concentrate displacement by permeate 80 and 130 Budget ro 524 undersink device, space saving, budget uo ro 524 Particularly space-saving, ready for operation 28 combi UO C series with pre-filter, backflow preventer, simplex softener for 28 combi UO CD series uo C/duplex softener for UO CD, limitron hardness monitoring unit, ready for operation ("plug & flow") 28 uo-d ro digital Particularly space-saving, internally monitored, logging of operating parameters, freely programmable controller, optional Profinet module 29 combi UO-D C series W with pre-filter, backflow preventer, simplex softener for 29 combi UO-D CD series uo-d C/duplex softener for UO-D CD, limitron hardness monitoring unit, ready for operation ("plug & flow") ,000 UO-D ro digital Internal monitoring, logging of operating parameters, freely programmable controller, optional Profinet module 30 uo-d fu energy saving thanks to FU frequency converter 30 combi UO-D CD series With pre-filter, backflow preventer, duplex softener, limitron hardness monitoring unit, ready for operation ( plug & flow ) 31 combi UO-D FU CD series Energy saving thanks to FU frequency converter, "plug & flow" ,200 UO-ED-Z ro digital Max. permeate backpressure 7 bar, most hygienic design to prevent microbiological contamination ,000 ND/P ro 5000 Permeate staged, salt rejection rate > 99 % 35 2,500 12,000 UO nd ro 1000 All relevant operating parameters are displayed, proven industrial design 33 uo-d nd ro digital Internal monitoring, logging of operating parameters, freely programmable controller, optional Profinet module 32 uo-d ND/fu energy saving thanks to FU frequency converter 32 Kr ro 5000 Special concentrate stage for permeate recovery > 85 % 34 KR/fu energy saving thanks to FU frequency converter 34 Ultra-pure water l/h Series controller Comments Page ,000 UP ro 1000 UO + EDI, diluate approx. 0.1 µs/cm 37 ep siemens LOGO! Diluate approx. 0.1 μs/cm, permeate demineralisation 37 Feed water: city water (free of chlorine, antiscalant dosing) 1,650 30,000 UO-D as ro digital Incl. ARA, KSE, connection for DOSIN AS-K 38 uo-d AS/fu energy saving thanks to FU frequency converter 39 uo-d AS/FU + energy-saving kit Particularly energy-saving thanks to low operating pressure + Frequency converter FU 39 Feed water: brackish water ,500 Bw ro 1000 Incl. ARA, KSE, connection for DOSIN AS-K 40 Feed water: sea water ,000 sw ro 1000 Incl. permeate flushing unit KVP 41 26

controllers for reverse osmosis systems Herco makes life easy FeatUres of

ro 5000 display 2-digit 2 lines, 16 chars./line 4 lines, 20 chars.

1 1,000 µs/cm 2 200 µs/cm further conductivity ranges (µs/cm) 0.

5 50; 20 2,000 100 10,000 control voltage 24 vdc 230 v / 50 hz 24 vdc 230

93 265 v / 50 60 hz 230 v / 50 60 hz ± 10 % dry running protection for ro

ro yes yes yes yes operating signal adjustable adjustable adjustable

tank level) yes yes yes yes Permeate conductivity limit confi gured

limits adjustable Behaviour if the limit is exceeded confi gured

fu available alternating pump activation yes optional ports (inputs)

recirculation yes (as an alternative) yes yes yes double-staged ro unit

ranges Programmable digital inputs 2 3 1 Pre-alarm, e. g.

tank empty yes yes yes external fault, e.g.

yes yes analogue values 1 2 1 Permeate conductivity, e.g. yes yes yes Permeate output, e.

5 controllers for reverse osmosis systems Herco makes life easy FeatUres of the MicroProcessor controllers RO digital type ro 524 ro 1000 ro digital ro 5000 display 2-digit 2 lines, 16 chars./line 4 lines, 20 chars./line graphic display conductivity measuring range 1 99 µs/cm µs/cm 1 1,000 µs/cm µs/cm further conductivity ranges (µs/cm) ; 20 2, ; 20 2, ,000 control voltage 24 vdc 230 v / 50 hz 24 vdc 230 v / 50 hz supply voltage 230 v / hz ± 10 % 230 v / hz ± 10 % v / hz 230 v / hz ± 10 % dry running protection for ro pump yes yes yes yes connection for limitron yes yes yes yes forced stop ro yes yes yes yes operating signal adjustable adjustable adjustable centralised alarm yes yes yes yes automatic mode (e. g. tank level) yes yes yes yes Permeate conductivity limit confi gured adjustable adjustable adjustable flow rate limits adjustable Pressure limits adjustable Behaviour if the limit is exceeded confi gured adjustable adjustable adjustable constant permeate rate possible yes, if fu available alternating pump activation yes optional ports (inputs) concentrate fl ushing valve yes (as an alternative) yes yes yes Permeate recirculation yes (as an alternative) yes yes yes double-staged ro unit yes analogue level switch yes feed water conductivity yes, 3 measuring ranges Programmable digital inputs Pre-alarm, e. g. dosing tank empty yes yes yes external fault, e.g. yes yes yes optional ports (outputs) Permeate conductivity pre-warning yes yes analogue values Permeate conductivity, e.g. yes yes yes Permeate output, e.g. yes Programmable digital outputs operating signal, e.g. yes yes yes data logging 1,960 data sets 1,145 data sets approx. 10 days Parameter setting confi gured adjustable adjustable adjustable firmware update at the factory via update board via rs232 via rs232 Profi net module optional 27

6 h e r c o t h e w h o l e u n i v e r s e o f w at e r t e c h n o l o g y i n d u s t r i a l m a n u f a c t u r e r o f w at e r t r e at m e n t e Q u i P m e n t herco wassertechnik gmbh Planckstrasse freiberg am neckar germany tel fax info@herco-wt.de herco dialysis/medical technology: 72 certified quality made in germany din iso 9001 en iso ec certificate

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