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Operator Manual
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Water purifier
Omini operator's manual
Version: 2021.05
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Summary of Contents for DiaSys O-Mini

  • Page 1 Operator Manual Water purifier Omini operator’s manual Version: 2021.05...
  • Page 2: Table Of Contents

    ONTENT Safety Information ........................... 2 Warning labels ......................... 2 Safety instructions ........................2 Introduction to the system ......................3 Introduction ..........................3 Overview of the system (front view) ..................4 Overview of the system (back view) ..................5 General description ......................... 5 Description of the control unit ....................
  • Page 3: Safety Information

    Change of the POST-TREATMENT CARTRIDGE: SEDIMENT 1 µm ........24 Change of the REVERSE OSMOSIS MEMBRANE ............25 Change of FLOW RESTRICTOR ..................26 Spare parts..........................27 Flow path diagram ......................... 29 Flow path diagram Version 1 ..................29 Flow path diagram Version 2 ..................30 Packing list .............................
  • Page 4: Introduction To The System

    NTRODUCTION TO THE SYSTEM 3.1 I NTRODUCTION The DiaSys water purifier « O-Mini » is a purified water production system allowing two water treatment leading-edge technologies: The BI-REVERSE OSMOSIS, which is currently the most effective and elaborated - membranous separation process, The demineralization principle by IONS EXCHANGERS RESINS.
  • Page 5: Overview Of The System (Front View)

    3.2 O VERVIEW OF THE SYSTEM FRONT VIEW Storage tank Reverse osmosis membrane Electronic control case Version 1 : Version 2 : Post treatment Booster Pump Omini operator’s manual Version: 2021.05...
  • Page 6: Overview Of The System (Back View)

    3.4 G ENERAL DESCRIPTION The water purifier "O-Mini" system is a water treatment system that includes a series of prefiltration cartridges for the network water: Sediment filter 5 μm + Block carbon filter. Once this water is treated, it is then injected via a booster pump into the reverse osmosis membrane.
  • Page 7: Description Of The Control Unit

    3.5 D ESCRIPTION OF THE CONTROL UNIT Controller VERSION 1 Terms meaning: PUMP : PUMP FLUSH : RINSING SOURCE : WATER SUPPLY FULL : FULL TANK POWER : UNDER TENSION MANUAL : MANUAL RINSING PUMP indicator turned on Pump functioning: means the water purifier is either producing or rinsing.
  • Page 8: Controller Version 2

    Controller VERSION 2 Signification des termes: Pump : Pump Flush : Rinsing Source : Water supply Full : Full tank Power : Under tension Washing : Manual rincing Conductivity Alarm : Conductivity alarm PUMP light ON Pump working: the water purifier is producing or rinsing. FLUSH light ON The water purifier is automatically rinsing the reverse osmosis membrane.
  • Page 9: Technical Specifications

    Produced water conductivity > 5µS/cm 3.6 T ECHNICAL SPECIFICATIONS Power supply voltage 230 volts ~ / 50 Hz. Production flow at 25 ° C 15 liters / hour Production flow at 10 ° C 9 liters / hour Resin type Mixbed ions exchange resins Resins volume 0.75 liters...
  • Page 10: Installing The Water Purifier

    NSTALLING THE WATER PURIFIER 4.1 I NSTALLATIONS ONDITIONS  Water inlet (2 to 6 bars) equipped with a turn hand valve and a male exit tap of 1/2" delivered with the packing list (male connector 1/4" quick fit/1/2" NPTF or water inlet valve 1/2" male/female).
  • Page 11: Installation Of The Water Purifier Membrane

    4.3 I NSTALLATION OF THE WATER PURIFIER MEMBRANE 1. Remove the membrane holder out of its two plastic stirrups. (Figure 1) 2. Disconnect the water inlet pipe from the membrane holder by disconnecting the quick fit coupling. (Figure 2) 3. Unscrew (by turning to the right) the high streaked part ("big cap") of the membrane holder. 4.
  • Page 12: System Start Up

    YSTEM START UP 1. Check all hydraulic connections. 2. Close the storage tank valve. 3. Open the water purifier exit hand valve. 4. Open the tap water supply valve. 5. Electrically connect the water purifier. 6. The control unit goes through the following phases: The power indicator indicates that the osmosis Version1 Version2...
  • Page 13: Maintenance And Service

    AINTENANCE AND SERVICE 6.1 M AINTENANCE CALENDAR In order to ensure an optimal functioning of the water purifier, it is necessary to realize a certain number of controls and maintenance of first level. These actions must be realized by the customer. The following board gives the controls to make and the actions of maintenance to realize, their frequency and the operator.
  • Page 14: Troubleshooting

    6.2 T ROUBLESHOOTING Version 1 PROBLEMS POTENTIAL CAUSES SUGGESTED ACTION Verify the power supply No power supply wires; switch power ON Power light OFF Power supply fuse is broken Check and replace the fuse • Power light ON The inlet tap water supply is closed Improve water supply •...
  • Page 15: Version 2

    Version 2 - PROBLEMS - POSSIBLE CAUSES - SUGGESTED ACTION - Plug the system to power - No power supply supply - POWER light switched OFF - Electric overload (pump, - Power fuse defectuous valves or power supply in short circuit). - The tap water valve is closed, or - POWER light switched ON the tar water doesn’t have...
  • Page 16 - CONDUCTIVITY ALARM light : blue - Conductimeter or temperature - Replace the sensor sensor out of order - CONDUCTIVITY ALARM light: blue/green-red alternating - Inverted connections between - Open the control unit and the conductimeter and invert the connections temperature sensor Omini operator’s manual Version: 2021.05...
  • Page 17: Consumables

    6.3 C ONSUMABLES OMINI Filters kit (ref. 950039) The OMini Filters kit contains the following consumables: The 5 µm sediments cartridge (10") Pre-treatment The active carbon block cartridge ( 10") Post-treatment The 1 µm post-treatment cartridge (10") Filter for sediments Active carbon 5 μm cartridge...
  • Page 18: Omini Membrane Kit (Ref. 950023)

    OMini Membrane kit (ref. 950023) Flow Restrictor Reverse osmosis membrane The reverse osmosis membrane and the flow restrictor must be replaced when the flow of purified water outlet is significantly low despite of a recent replacement of pre-treatment filters or/and an important increase in the frequency of the ions exchangers resins bottle replacement.
  • Page 19: Maintenance Procedures

    6.4 M AINTENANCE PROCEDURES Flow measurement procedure 6.4.1.1 General points The flow measurement is interesting to check the filters and reverse osmosis membrane plugging state. The osmosis membrane flow is function of the supply water temperature. We generally allow a flow drop of 3 % per Celsius degree in a range from 10 to 25 °C. This flow measurement must be compared to the water purifier theoretical nominal value with a fixed temperature, which is 25 °C ≈...
  • Page 20: Conductivity Measurement Procedure

    Conductivity measurement procedure 6.4.2.1 General points The global quantity of dissolved solids in water can be measured by the CONDUCTIVITY (expressed in microsiemens per centimeter (µS / cm). 6.4.2.2 Conductivity «water purifier outlet» 6.4.2.2.1 Checking the output conductivity for version 1 1.
  • Page 21 6.4.2.2.2 Output conductivity for version 2 INTERPRETATION OF THE VALUE OF THE PURIFIED WATER CONDUCTIVITY • Conductivity<1 µS/cm Class 2 water (according to ISO 3696) • Water of very good quality, no impact on the quality of the analysis. • µs/cm<Conductivity<5 µS/cm Class 3 water (according to ISO 3696) •...
  • Page 22: Change Of Sediment Filter 5 Μm

    6.4.2.3.3 Interpretation If the conductivity measurement "membrane output" is above 25 µS / cm, it is necessary to change it (See paragraph 4.3) as well as the flow restrictor (See paragraph 6.4.8). 6.4.2.3.4 Restarting 1. Close the storage tank hand valve. 2.
  • Page 23: Change Of Active Carbon Block Filter

    Change of ACTIVE CARBON BLOCK FILTER 1. Close the tap water hand valve. 2. Close the storage tank hand valve. 3. Open the water purifier exit hand valve to depressurize the network; the indicator « SOURCE » of the electronic unit lights. Keep the water purifier exit hand valve open. 4.
  • Page 24: Change Of Resin Cartridge

    Change of RESIN CARTRIDGE 1. Close the tap water hand valve. 2. Close the storage tank hand valve. 3. Open the water purifier exit hand valve to depressurize the network; the indicator «SOURCE» of the electronic unit lights. Keep the water purifier exit hand valve open. Turn off the water purifier (switch in position «...
  • Page 25: Change Of The Post-Treatment Cartridge: Sediment 1 Μm

    Change of the POST-TREATMENT CARTRIDGE: SEDIMENT 1 µm 1. Close the tap water hand valve. 2. Close the storage tank hand valve. 3. Open the water purifier exit hand valve to depressurize the network; the indicator « SOURCE » of the electronic unit lights. Keep the water purifier exit hand valve open. 4.
  • Page 26: Change Of The Reverse Osmosis Membrane

    Change of the REVERSE OSMOSIS MEMBRANE 1. Close the tap water hand valve. 2. Close the storage tank hand valve. 3. Open the water purifier exit hand valve to depressurize the network; the indicator « SOURCE » of the electronic unit lights. Leave the water purifier exit hand valve open. 4.
  • Page 27: Change Of Flow Restrictor

    Change of FLOW RESTRICTOR 1. Close the tap water hand valve. 2. Close the storage tank hand valve. 3. Open the water purifier exit hand valve to depressurize the network; the indicator « SOURCE » of the electronic unit lights. Leave the water purifier exit hand valve open. Turn off the water purifier (switch in position «...
  • Page 28: Spare Parts

    6.5 S PARE PARTS VERSION 1: Solenoid valve ref. 950277 VERSION 2: Solenoid valve ref. 950576 VERSION 1 : Controller Ref. 950227 VERSION 2 : Controller Ref. 959050 Membrane housing ref. 950207 Power supply ref. 950510 Post-treatment Sediment filter Booster pump Manometer 0-10 BAR ref.
  • Page 29 3 ways valve ref. 951115 Pressure sensor ref. 951114 Conductimeter sensor ref. 951107 Power supply ref. 950520 Filter holder 10 " Filter holder 10" transparent body white body ref. 950209 ref. 950238 Omini operator’s manual Version: 2021.05...
  • Page 30: Flow Path Diagram

    6.6 F LOW PATH DIAGRAM Flow path diagram Version 1 The hydraulic wiring is in tubing 1/4" To drain Pressure gauge Flow «pump exit» restrictor 2-ways Hand-valve valve Reverse Osmosis 2-ways valve Membrane Pump Check water valve inlet pressure High pressure switch switch Pressurized...
  • Page 31: Flow Path Diagram Version 2

    Flow path diagram Version 2 The hydraulic wiring is in tubing 1/4" To drain Pressure gauge Flow «pump exit» restrictor 2-ways Hand-valve valve Reverse Osmosis 2-ways valve Membrane Pump 3-ways Check water valve valve inlet pressure Check switch valve Pressure Pressurized sensor storage tank...
  • Page 32: Packing List

    ACKING LIST Picture picture Item Item water purifier OMINI 12 LITERS PRESSURIZED TANK reference 950006 Reference 950228 RO MEMBRANE 75 GPD SPANER FOR 10" FILTER HOLDER POWER CABLE for the DRAIN CLAMP VERSION 1 only WATER INLET VALVE WRENCH FOR MEMBRANE HAND VALVE 1/4"...
  • Page 33 1682, rue de la Valsière Cap Gamma – Parc Euromédecine II 34790 GRABELS Tél. : 33 (0)4 11 95 03 40 Fax : 33 (0)4 11 95 03 50 Internet : http://www.diasys-diagnostics.com Email : info@diasys-technologies.com Omini operator’s manual Version: 2021.05...

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