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Operator Manual
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Water purifier
O-Maxi operator's manual Version: 2020.02.10
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Summary of Contents for DiaSys O-Maxi OM Series

  • Page 1 Operator Manual Water purifier O-Maxi operator’s manual Version: 2020.02.10...
  • Page 2: Table Of Contents

    ONTENT Safety Informations ......................... 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 Pressure gauges ........................6 General description .........................
  • Page 3: Safety Informations

    6.4.3 Change of SEDIMENT FILTER 5 µm ................23 6.4.4 Change of ACTIVE CARBON BLOCK FILTER ..............24 6.4.5 Change of SEDIMENT FILTER 1 µm ................25 6.4.6 Change of the POST TREATMENT CARTRIDGE: SEDIMENT 1 µm ........26 6.4.7 Change of the REVERSE OSMOSIS MEMBRANE ............
  • Page 4: Introduction To The System

    NTRODUCTION TO THE SYSTEM 3.1 I NTRODUCTION The DiaSys water purifier «O-Maxi» 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 Pressure tank Gauge Post treatment Reverse osmosis membrane Resin Bottle Booster Pump Electronic control case Version 1 : Version 2 : O-Maxi operator’s manual Version: 2020.02.10...
  • Page 6: Overview Of The System (Back View)

    3.3 O VERVIEW OF THE SYSTEM BACK VIEW Filter for Sediments 5µm Filter for Sediments 1µm Block active charcoal fitler O-Maxi operator’s manual Version: 2020.02.10...
  • Page 7: Pressure Gauges

    3.4 P RESSURE GAUGES 1/ the pressure gauge « Outlet filters » show the pressure of water supply after filtration. The guideline value for correct operation is about 3.0 to 4.0 bars (43 to 58 PSI) when the water purifier is working.
  • Page 8: Description Of The Control Unit

    3.6 D ESCRIPTION OF THE CONTROL UNIT 3.6.1 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 9: Controller Version 2

    3.6.2 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 10: Technical Specifications

    Produced water conductivity > 5µS/cm 3.7 T ECHNICAL SPECIFICATIONS Power supply voltage 230 volts ~ / 50 Hz. Production flow at 25 ° C 55 liters / hour Production flow at 10 ° C 40 liters / hour Resins type Mixbed ions exchange resins Resins volume 11 liters...
  • Page 11: Installing The Water Purifier

    NSTALLING THE WATER PURIFIER 4.1 I NSTALLATIONS ONDITIONS  Water inlet (2 to 5 bars) equipped with a turn hand valve or a male exit tap of 15/21 or 20/27.  Protected electric input (230 V ~, 50 Hz + EARTH). Connect the device in a dry area more than two meters away.
  • Page 12: Connections Of Resin Bottle And Sampling System To Test Membrane Exit

    4.3 C ONNECTIONS OF ESIN BOTTLE AND AMPLING SYSTEM TO TEST MEMBRANE EXIT This valve is open in normal operating mode This valve is closed in normal operating mode Outlet to test membrane conductivity Inlet Resin bottle (to be connected to the water purifier) Outlet Resin bottle (to be connected to the water purifier...
  • Page 13: Installation Of The Water Purifier Membrane

    4.5 I NSTALLATION OF THE WATER PURIFIER MEMBRANE 1. Disconnect the water inlet pipe from the membrane holder (Figure 1) 2. Remove the membrane holder out of its two plastic clips (Figure 2) 3. Unscrew (by turning to the right) the cap of the membrane holder using the two special keys provided with the accessories.
  • Page 14: System Start Up

    YSTEM START UP 1. Connect the water purifier hydraulically then electrically. 2. Check all hydraulic connections. 3. Close the storage tank valve. 4. Open the water purifier exit hand valve. 5. Open the tap water supply valve. 6. Electrically switch on the water purifier. 7.
  • Page 15: Maintenance And Service

    AINTENANCE AND SERVICE 6.1 M AINTENANCE CALENDAR In order to insure 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 16: Troubleshooting

    6.2 T ROUBLESHOOTING 6.2.1 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  The inlet tap water supply is closed Power light ON Improve water supply ...
  • Page 17: Version 2

    6.2.2 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).
  • Page 18 - PUMP light: blinking green - SOURCE light: blinking red - CONDUCTIVITY ALARM light: blinking blue - Pressure sensor out of order Replace the pressure sensor - CONDUCTIVITY ALARM light: blue - Conductimeter or temperature - Replace the sensor sensor out of order - CONDUCTIVITY ALARM light: blue/yellow alternating - Inverted connections between...
  • Page 19: Consumables

    6.3 C ONSUMABLES 6.3.1 OP202+/OP302+/OMAXI FILTER KIT (ref. 950019) The kit contains the following consumables: The 5 µm sediments cartridge (20") Pre-treatment The active carbon block cartridge ( 20") The 1 µm sediments cartridge (20") Post-treatment The 1 micron post traitement cartridge (10") The 3 pre-treatment filters must be replaced when a plugging, significant drop of the purified water production flow and/or sediments 5 µm filter seems dirty.
  • Page 20: Omaxi Membrane Kit (Ref. 959070)

    6.3.2 OMAXI MEMBRANE KIT (ref. 959070) The kit contains the following consumables: 1 Membrane 300 GPD + 1 flow restrictor 300 CC Flow Restrictor Reverse osmosis membrane 300gpd 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 21: Maintenance Procedures

    6.4 M AINTENANCE PROCEDURES 6.4.1 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: Note: this theoretical flow rate represents the production at a "tank outlet"...
  • Page 22: Conductivity Measurement Procedure

    6.4.2 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 23 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.  1 µs/cm<Conductivity<5 µS/cm Class 3 water (according to ISO 3696) ...
  • Page 24: Change Of Sediment Filter 5 Μm

    6.4.2.3.3 Interpretation Membrane exit conductivity value interpretation Conductivity ≤ 5 µS/cm Very good water Change the RO membrane. See paragraph 6.4.7 25 µS/cm < Conductivity < 35 µS/cm As well as the flow restrictor (See paragraph 6.4.8). Note : This value is directly link to the hardness of the inlet tap water 6.4.2.3.4 Restarting 1.
  • Page 25: Change Of Active Carbon Block Filter

    6.4.4 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. Leave the water purifier exit hand valve. Turn off the water purifier (switch in position «...
  • Page 26: Change Of Sediment Filter 1 Μm

    6.4.5 Change of SEDIMENT FILTER 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. Leave the water purifier exit hand valve. Turn off the water purifier (switch in position «...
  • Page 27: Change Of The Post Treatment Cartridge: Sediment 1 Μm

    6.4.6 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. Leave the water purifier exit hand valve. Turn off the water purifier (switch in position «...
  • Page 28: Change Of The Reverse Osmosis Membrane

    6.4.7 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 29: Change Of Flow Restrictor

    6.4.8 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 30: Change Of The Ions Exchangers Resins Bottle

    6.4.9 Change of the IONS EXCHANGERS RESINS BOTTLE 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. Turn off the water purifier (switch in position «...
  • Page 31: Spare Parts

    6.5 S PARE PARTS Pressostat low Solenoid valve for pressure Ref. 950290 the VERSION1 Ref.950242 Electrical box VERSION 1 Controller Ref.950227 VERSION 2 Controller Ref.959050 Pressostat high pressure Booster Pump 300GPD Ref. 950225 Ref.951301 Pressure gauge Ref. 950231 Pressurised storage tank 75 Liters Ref.950240 O-Maxi operator’s manual Version: 2020.02.10...
  • Page 32 Solenoid valve 3 ways Ref.951115 Conductimeter sensor Ref.951107 Pressure sensor 3 Bar Ref.951114 Filter holder 10” white body Ref.950238 Power supply Ref.950520 Solenoid valve for the VERSION 2 Ref.950277 O-Maxi operator’s manual Version: 2020.02.10...
  • Page 33: Flow Path Diagram

    6.6 F LOW PATH DIAGRAM 6.6.1 Flow path diagram Version 1 The hydraulic wiring: To drain Tubing 3/8" Tubing 1/4” Pressure gauge «Filters exit» Solenoid Pressure gauge valve «pump exit» Hand Solenoid Reverse valve valve Osmosis Flow restrictor Membrane Pump Inlet Check water...
  • Page 34: Flow Path Diagram Version 2

    6.6.2 Flow path diagram Version 2 The hydraulic wiring: Tubing 3/8" Tubing 1/4” To drain Pressure gauge «Filters exit» Solenoid Pressure gauge valve «pump exit» Solenoid Hand valves Reverse valve Osmosis Flow restrictor Membrane Inlet Pump water Check 3-ways valve valve pressure switch...
  • Page 35: Packing List

    ACKING LIST picture picture Item Item water purifier OMAXI 75 LITERS PRESSURIZED TANK reference 950007 Reference 950240 OP101+/OP202/OMAXI RESIN KIT Reference 950243 RO MEMBRANE 300GPD HAND VALVE 1/4" HAND VALVE 3/8" Reference 950330 Reference 950029 Quantity: 4 SYSTEM FOR MEMBRANE PEN CONDUCTIVITY METER TEST TEE UNION 1/4"...
  • Page 36 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 O-Maxi operator’s manual Version: 2020.02.10...

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