MIOX RIO H1 Installation, Operation And Maintenance Manual Download

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RIO SERIES ON-SITE GENERATOR

M1-M5 H1-H5

Installation, Operation, and Maintenance

Manual

March 26, 2019

Summary of Contents for RIO H1

Page 1: ...RIO SERIES ON SITE GENERATOR M1 M5 H1 H5 Installation Operation and Maintenance Manual March 26 2019 ...

Page 2: ...t to make these changes without prior notice or liability Portions of the MIOX OSGs are covered by U S patent Customer Service 5601 Balloon Fiesta Parkway NE Suite A Albuquerque NM 87113 Phone 1 505 343 0090 Toll Free 1 866 MIOX HLP 1 866 646 9457 FAX 1 505 343 0093 Contact mioxservice com www MIOX com http www denora com International distributors and sales agents located worldwide ...

Page 3: ... Installation RIO Series OSG 13 Mechanical Tools 13 Plumbing Tools 13 Receiving and Unpacking the RIO Series OSG 14 Securing the Cabinet 14 System Description 15 Electric Connections Required for Start Up 16 Electrical Power Connection 16 Control System Rear Panel Connections 18 Tank Level Inputs 19 Auxiliary Relay Connection 20 Auxiliary 24V Power Connection 21 Dilution Air Connection 22 Hydrogen...

Page 4: ...rical Connections 40 Plumbing Connections 42 Cell Guard Installation 44 Operations 46 Initial Settings and Startup Checks 46 Electrical Check 46 Initial Salt Filling 46 Checks Prior to Startup 47 Brine Boost Operation 47 Water Softener Operation 47 Routine Operations 48 Turn On Disconnect Switch 48 Push Run Stop Switch 48 Startup Sequence Operating Window 49 Brine Boost Pump Commissioning 50 Opera...

Page 5: ... 60 Troubleshooting Guide 61 Procedures 67 Brine Pump Replacement 67 Removing The Old Brine Pump 67 Installing the New Brine Pump 68 Rupture Disk Maintenance 68 Replacing the Rupture Disk Diaphragm 68 Rupture Probe Maintenance 69 Acid Washing the Cell 69 Oxidant Demand Testing 70 Chlorine Production Testing 74 APPENDICES 78 Appendix A Water Quality Guidelines 79 Appendix B Salt Quality Guidelines ...

Page 6: ...embly and Detail 29 Figure 17 Internal View Float Valve Assembly and Detail 30 Figure 18 Brine Pressure Boost System 32 Figure 19 Oxidant Tank Vents 33 Figure 20 Oxidant Storage Tank with Safety Placards 34 Figure 21 Ventilation Requirements 35 Figure 22 Level Switch Installation 36 Figure 23 Pressure Transducer Assembly 37 Figure 24 Cell Lead Connections 40 Figure 25 Cell Lead and Buss Bar Connec...

Page 7: ...nector Name and Description 21 Table 5 Dilution Air Connector Name and Description 22 Table 6 Hydrogen Hardness Connector Name and Description 23 Table 7 Ethernet Connector Pin Out 24 Table 8 Feed Water Requirements 25 Table 9 Electrical Connections Per Cell Module 40 Table 10 LED Status Lights 52 Table 11 Output Testing 52 Table 12 Fault Conditions 53 Table 13 Perimeter Bolt Torque Specifications...

Page 8: ...st be capable of reliably operating the technology The on site oxidant category was added to this list in 1997 primarily based on independent research of MIOX technology NSF International MIOX maintains a policy of verification and compliance of MIOX technology for water applications The NSF Standard provides the criteria used to evaluate the public health safety of materials components products o...

Page 9: ...tomatically and self diagnose Figure 1 RIO Series On Site Generator Space Requirements Appropriate floor space must be identified to accommodate the OSG enclosure and sufficient working space clearance Figure 1 2 The enclosure is 62 in 1 6 m wide by 38 in 1 2 m deep by 69 in 1 75 m high Front clearance is 48 in 1 2 m rear clearance is 24 in 0 66 m and side clearance is 12 in 0 30 m from the edge o...

Page 10: ...MIOX RIO Series Operators Manual P N 102 00076 G Page 9 Figure 2 RIO Series OSG Space Requirements ...

Page 11: ...le 300 or 500 lb day FAC cell The electrolytic reaction that takes place within the cell occurs under pressure 5 25 psi 34 172 kPa The cell is equipped with a rupture disc pressure relief port that is designed to rupture in the event of over pressurization within the cell Water Softener All MIOX equipment requires soft water Hard water will cause severe damage to the cell Water hardness must be ma...

Page 12: ... is less than 40 F 5 C or greater than 95 F 35 C damage to the electrolytic cell will occur A water heater or chiller is recommended to bring the water temperature into range Oxidant Solution Injection System MIOX can supply injection systems to dose raw water with disinfectant These systems come with separate installation and operation instructions Water Pressure Boost System A water pressure boo...

Page 13: ...r or your local authority having jurisdiction for more information Untrained persons should not attempt to install or operate MIOX OSGs A liquid barrier system is mandatory Ensure that all hydrogen vent lines slope towards the oxidant tank Ensure that no valves drop legs or P traps are in the hydrogen vent lines Do NOT cross connect vent lines Ensure that storage tanks are labeled properly Disconn...

Page 14: ...valent slip joint pliers tighten plumbing connections Phillips screw driver make main electrical connections Small flat screwdriver connect control relay wiring Wire strippers Allen wrench set Tape measure Plumbing Tools PVC pipe cutter or saw PVC pipe reamer remove burrs from cut pipe Glue use correct type for pipe material Primer cleaner use correct type for pipe material Teflon Tape Strap wrenc...

Page 15: ...ve the water softener towers from their packaging Do not turn the softeners over or lay them on their sides as this will disturb the softening resin and gravel beds inside the softener and affect softener performance 4 Unpack all other equipment Remove any optional components heaters chillers injection systems etc from their packaging and inspect for damage After completing a visual inspection com...

Page 16: ...076 G Page 15 Figure 3 RIO Series OSG Compartments System Description The RIO Series OSG is made up of six compartments Controls Switch Gear Power Supply Cooling Plumbing and Cell Figure 3 Cell Power Supply Switch Gear Cooling Controls Plumbing ...

Page 17: ...the switch gear compartment The power cable enters the enclosure through the back of the cooling compartment into conduit Figure 4 5 Remove the switch gear cover by loosening the screws in each corner Figure 6 and pull the cable into the switch gear compartment Route the power cable to the top of the switch gear and wire the switch gear Figure 7 Replace the switch gear cover Do not Apply power to ...

Page 18: ...MIOX RIO Series Operators Manual P N 102 00076 G Page 17 Figure 5 Incoming Power Figure 6 Switch Gear Cover Figure 7 Power Routing to Switch Gear System Power Ratings Power In 4x Screws ...

Page 19: ...optional adder a Red Lion CSMSTRSX Modular Controller can be used as a protocol converter which can be configured to match plant communications The interface can be configured to support e mail and SMS notification if the system shuts down for a fault that requires operator attention In addition to providing internal control of the OSG the RIO Series control system provides connectivity to various...

Page 20: ...nk Level Connector Name and Description Connection Name Signal Description TLSL1 Lower tank level input 24VDC CLOSED 0VDC OPEN TLSL2 24VDC source of lower tank level input TLSH1 Upper tank level input 24VDC CLOSED 0VDC OPEN TLSH2 24VDC source of upper tank level input Table 2 Tank Level Status INPUT STATES SYSTEM Lower Level Input Upper Level Input System Action Closed Closed Tank is empty Turn ON...

Page 21: ... Table 3 Auxiliary Relay Connector Name and Description Connection Name Description Alarm 1 1 Contacts close when system shuts down for a hard fault Alarm 1 2 Alarm 2 1 Contacts close when system shuts down for a hard fault Alarm 2 2 Water Boost 1 1 Contacts close when system starts up running Water Boost 1 2 Water Boost 2 1 Contacts close when system starts up running Water Boost 2 2 Brine Boost ...

Page 22: ...ted to 1 AMP and is fused internally Table 4 provides the description for each terminal Table 4 Auxiliary 24V Power Connector Name and Description Connection Name Description 24VDC 24 volts DC power 24VDC 24 volts DC power 24V Return Return connection for 24VDC power 24V Return Return connection for 24VDC power PE1 Physical Earth connection PE2 Physical Earth connection Figure 11 Auxiliary 24V Pow...

Page 23: ...al flow switch with dry contacts Pins 19 and 20 Figure 12 should be wired to the Dilution Air Panel Relay to turn on the auxiliary panel Table 5 provides the description for each terminal Table 5 Dilution Air Connector Name and Description Connection Name Description DAE 24 VDC 24VDC enable signal for MIOX external dilution air system DAE Return Return for enable DAS Fail 1 1 Failure Input 1 24VDC...

Page 24: ...nly requires normally closed dry contacts Table 6 provides the description for each terminal Table 6 Hydrogen Hardness Connector Name and Description Connection Name Description H2NO1 Normally open input OPEN OK CLOSED FAIL Safety Relay H2NO2 Normally open input OPEN OK CLOSED FAIL Safety Relay H2NC1 Normally closed input CLOSED OK OPEN FAIL Safety Relay H2NC2 Normally closed input CLOSED OK OPEN ...

Page 25: ...Page 24 Ethernet Connection The Ethernet connector provides connection to site SCADA systems Table 7 provides the pin out for the connector Table 7 Ethernet Connector Pin Out Pin Pin Name 1 Tx 2 Tx 3 Rx 4 not used 5 not used 6 Rx 7 not used 8 not used ...

Page 26: ... feed to the electrolytic cell To protect against low water pressure an auto adjusting flow control valve is included in the piping manifold to compensate for inconsistent flow and pressure fluctuations It uses a turbine flow sensor that sends pulses to the PLC when the turbine is spinning Based on the rate of the pulses the system can calculate the feed water flow rate and adjust the flow control...

Page 27: ...pped with a PVC male union half and a Y strainer assembly Proper connection is accomplished with a PVC female union half mating to the male half Figure 15 Before connecting the water supply to the OSG flush water through the softener until the water is clean and clear Brine Feed Connection The brine feed connection to the RIO Series OSG is schedule 80 PVC The OSG is equipped with a PVC male union ...

Page 28: ...nnection from the RIO Series OSG is 1 schedule 80 CPVC but increases in size to 1 The OSG is equipped with 1 CPVC male union half Proper connection is accomplished with a 1 CPVC female union half mating to the male half Figure 15 MIOX supplies a three way valve to allow for sampling of the disinfectant solution to verify system performance MIOX also supplies a check valve and strongly recommends i...

Page 29: ...artments are the only two areas in the OSG that have the potential for a water leak Both compartments are equipped with low point drains that will drain directly to the floor The cell compartment drain pipe is plumbed through the power supply compartment floor The plumbing compartment drain pipe is plumbed through the cooling compartment floor The drains from these compartments should only flow in...

Page 30: ...nstalled on the water line prior to the tank to assist with maintenance Plumb the overflow fitting to a drain Verify the overflow line has an adequate air gap to prevent cross contamination of the brine generator Plumb the outlet fitting Figure 16 Note Outlet plenum should be installed before float assembly Note Use Teflon tape on threaded plumbing connections Brine Tank Float and Spray Ring Assem...

Page 31: ...Figure 17 Internal View Float Valve Assembly and Detail For instances where the float needs to be removed turn off the water to the system Remove the red cap on top of the stillwell Unscrew the 3 8 PVC coupler that mates to the feed water line and the black threaded flange connection protruding through the tank wall Unscrew the coupler that mates to the plastic spray ring The float valve can now b...

Page 32: ...ifold into the bottom tank adapter Place 7 inches of x NSF quartz rock in the bottom of the tank Rake it flat and cover the slotted pipe manifold Place 5 inches of x NSF quartz rock on top of the first layer of quartz rock Rake flat Brine Silos Brine silos have their own specific installation instructions Follow the manufacturer s recommendations for handling and installation ...

Page 33: ...anks begins ANY DEVIATION FROM THESE SPECIFICATIONS MAY RESULT IN DAMAGE TO PERSON OR PROPERTY The oxidant storage tank is designed to act as a holding tank for the oxidant solution and consists of the tank drop tube assembly vents outlet valve assembly and safety placards A level switch or pressure transducer is also included depending on the tank s capacity Ventilation Requirements MIOX oxidant ...

Page 34: ...anks must have a properly installed LBS Vent and Oxidant Tank Vent to operate safely An optional Dilution Air System can be supplied upon request and on large installations a combination stand pipe and Dilution Air System can be used Refer to MIOX s Hydrogen Safety White Paper for additional details ...

Page 35: ...oxidant tanks and are attached to all oxidant tanks shipped directly from MIOX Oxidant tanks shipped directly from the tank manufacturer must have the MIOX supplied safety placards attached to the outside wall of the oxidant tank Figure 20 Figure 20 Oxidant Storage Tank with Safety Placards ...

Page 36: ...n MIOX s Hydrogen Safety White Paper and this manual must be followed explicitly to ensure proper hydrogen venting MIOX oxidant tanks require that they be vented to the atmosphere outside the facility Proper configuration of vent assemblies Figure 21 is vital to ensure safety Figure 21 Ventilation Requirements ...

Page 37: ...er at the top of the tank 2 Feed the electrical cord through the elbow and out of the tank 3 Seal the male end of the liquid level switch with Teflon tape and screw it into the female end of the street elbow Hand tighten only The wire from the level switch is run to the connector on the rear panel of the OSG Figure 8 and wired per Table 1 Figure 22 Level Switch Installation PLC controlled OSG s ca...

Page 38: ...ll fault Functionally this means the network controller must send the reset command at least once every ten 10 seconds to prevent the system from faulting Pressure Transducer Installation Optional The pressure transducer system consists of GF Signet Pressure Transducer and a control box The control box is designed to mount on a wall and must be in an indoor location no more than 75 ft 22 9 m from ...

Page 39: ...tank This should be piped to a drain or other suitable discharge outlet with 1 schedule 80 CPVC pipe For sites with two oxidant tanks installed the overflow ports should be piped to each other with a common drain If the customer elects not to run the overflow drain then the outlet must be plugged to prevent gasses in the storage tank from venting to the room Do not pipe brine and oxidant tank over...

Page 40: ...ell The cell can weigh 80 400 lbs 36 181 kg for 1 module to 5 module cells respectively Take special precaution to lift the cell in locations that are identified with lifting labels on the cell Do not lift the cell using the buss bars or cell inlet manifold Lastly the all thread rod needs to be removed from the top of the cell if the cell is going to be replaced Remove all the nuts and washers not...

Page 41: ...onnected to an electrical lead on both sides of the cell Figure 24 The anode or positive buss bar is always the first electrode facing the front of the unit The cathode or negative buss bar is the next electrode behind the anode This alternating electrode configuration will continue depending on the number of cell modules Table 9 identifies the number of electrical connections based on the number ...

Page 42: ... and the bolt Align the cell lead lug with the hole on the buss bar and fasten with the bolt washers and nut The bolt head should face the front of the cell followed by a split washer flat washer cell lead bussbar flat washer and nut Figure 25 Tighten bolt to 40 ft lbs 2 ft lbs 54 N m 2 7 N m Figure 25 Cell Lead and Buss Bar Connection ...

Page 43: ...e 26 Figure 26 Cell Plumbing Connectons 1 Module For a multiple module cell M2 M5 or H2 H5 the plumbing inlet and outlet fittings are installed to the cell inlet outlet manifolds that are mounted on the cell Figure 27 Connecting the inlet plumbing to the cell manifold inlet is made by mating the inlet plumbing female union to the cell inlet male union Connecting the outlet plumbing to the cell man...

Page 44: ...MIOX RIO Series Operators Manual P N 102 00076 G Page 43 Figure 27 Multiple Module Cell Inlet Outlet Manifold a Inlet Plumbing from Rear b Outlet Plumbing from Rear c Outlet Plumbing Assembly ...

Page 45: ...t piece of the guard from the middle piece Position the middle and back pieces of the guard on the cell sliding the slots on the guard onto the socket head shoulder screws on the cell Figure 29 Tighten the two screws on the guard Position the front piece of the guard onto the cell using the socket head shoulder screws Figure 30 Re assemble the front piece to the rest of the guard Repeat on the oth...

Page 46: ...MIOX RIO Series Operators Manual P N 102 00076 G Page 45 Figure 30 Location of Socket Head Shoulder Screws Front Figure 29 Location of Socket Head Shoulder Screws Back ...

Page 47: ...s and Startup Checks Electrical Check Verify connection to correct power source for standard units 480 VAC three phase 50 60 hertz For 400V units 400 VAC three phase 50 60 hertz Initial Salt Filling 1 Flush the water line feeding the brine generator 2 Ensure that all hose fittings are tightened 3 Close the outlet valve and open the inlet valve to fill brine generator with water only This will hydr...

Page 48: ...tream comes out of the fitting union replace the fitting tighten the union The brine boost system is now ready for initial operation Water Softener Operation Ensure that the water softener is operating properly before initial startup by testing the water from the water softener for hardness If hardness is more than 1 grain per gallon 17 1 ppm the softener is not functioning properly Verify the fol...

Page 49: ...position the display and OSG will power up Push Run Stop Switch Push the RUN STOP switch in and press the START button on the display screen Figure 32 to power up the cell The OSG monitors the oxidant level switch If the oxidant tank is empty the OSG will attempt to initiate the startup sequence and then begin to run If the solution tank is full the OSG will go into standby Figure 31 Display Scree...

Page 50: ... are indicated on the Main Display screen Figure 32 The brine proportion pump will also step up or down but the pump control voltage indicated as Brine Pump Voltage should be between 0 and 5 VDC When the operating window is reached the electrolytic cell will begin to produce oxidants and fill the oxidant tank When the oxidant storage tank is filled to the high level the level sensor places the OSG...

Page 51: ...igher pressure can cause bleed through of the brine proportion pump resulting in OSG faults Operation Controls Modes of Operation The modes of operation of the OSG are Standby Startup Run Self Cleaning Water Cycle Stop Setup Diagnostic and Shutdown Normal automated operation involves entering Run mode to fill the oxidant tank Once the oxidant tank is full the OSG transition to Standby mode When th...

Page 52: ...umbing from high temperatures Water will flow at half of target flow rate to the oxidant tank and dilution will occur The OSG will remain in this mode until power is reset Stop Mode The operator can access Stop mode by placing the Run Stop switch into the Stop position push in switch to ratchet switch out If Stop mode is accessed from Startup Run mode the OSG will shut down with a Soft Fault To re...

Page 53: ...shing Green START UP and RUN mode while not in operating Solid Green RUN mode in operating window Flashing Yellow SHUT DOWN Solid Yellow FAULT STOP mode Cycles through Green Yellow Red Diagnostic mode Output Testing The control system must provide a means for the user to set and reset outputs for testing Table 11 Only one function can be tested at a time Table 11 Output Testing Discrete Outputs Co...

Page 54: ...more than 10 minutes Table 12 Fault Conditions Fault Name Condition Time Delay sec Cell Power Removed Water Off Auto Retry Delta Temp Fault Temp difference between I O greater than 50 F or less than 10 F 45 NO NO NO Dilution Air DA Failure Fault DA status signal off when DA enable signal on 5 YES NO NO Interlock Trip 1 Bottom rear interlock tripped 2 YES NO NO Interlock Trip 2 Bottom front interlo...

Page 55: ...rrent greater than 125 of target 1 YES NO YES Cell Current Variation 20 standard RIO cell current variation calculation 120 NO NO NO Cell Voltage Low Cell voltage less than 30 V when contact on 5 NO NO NO Oxidant Temp Very High Oxidant temp greater than 150 F 10 NO NO NO Brine Pump Voltage High Brine pump control voltage greater than 4 85 V 60 NO NO NO Brine Pump Voltage Low Brine pump control vol...

Page 56: ... short circuit 5 The actuator should begin to re set itself It will move to full open position and then back to full closed position for a normally closed actuator if it is a normally open actuator the opposite will occur 6 Plug in the control signal DIN plug 7 The actuator should function properly again If not the problem is elsewhere Contact your MIOX customer support provider System Shutdown pr...

Page 57: ...aper NO flames or ignition sources in or around the oxidant tank Use confines space procedures prior to entry to the oxidant tank Do not add other chemicals to the oxidant tank Always follow the plumbing and venting procedures recommended by MIOX and your local codes Consult MIOX or an engineering professional prior to making changes to piping in oxidant tanks Daily Maintenance Check the Salt Leve...

Page 58: ...ck the connections to verify that there is no salt around the flange sealing area Check for Loose Connections Corrosion Check cell leads and lugs for corrosion For light corrosion clean cell leads and lugs with a fine sandpaper or a wire brush If severe corrosion is present replace the cell lead Torque cell lead connections to 40 ft lbs 54 N m Check Chlorine FAC Production Check and note chlorine ...

Page 59: ...e the same 5 micron standard type unit for removal of particulate matter The brine filter and water filter are located prior to the water softener or OSG The OSG should be off or in standby mode when filters are removed or replaced Visually inspect the filter for clogging and debris If flow is restricted the filter should be replaced Reinstall the filter Discard the old filters according to local ...

Page 60: ... Chlorine production is significantly below normal level 4 Salt consumption is increased Returning an Old Damaged Cell You may return a defective product to your original point of purchase or the authorized MIOX dealer or distributor from whom you purchased the product Please confirm the terms of its return policies prior to returning the product Typically you must include product identification i...

Page 61: ...ut down for the winter the water softener should be protected from freezing either by heating the room removing the softener to a heated location or draining the softener If the OSG is completely drained the OSG itself does not have to be relocated Draining includes the electrolytic cell the brine tank and all piping The brine proportion pump should be purged with fresh water before draining Dried...

Page 62: ...s of brine 2 Brine solenoid fuse failure 3 Brine proportion pump fuse failure 4 Brine solenoid failure 5 Cell fouled with mineral deposits 6 Worn out cell 1 Verify brine supply to system 2 Check fuse F9 on the control interface board Figure 34 3 Check fuse F6 on control interface board Figure34 4 Replace brine solenoid 5 Verify water softener is functioning correctly Verify salt meets requirements...

Page 63: ...piping 3 Rupture disk fuse failure 1 Verify pressure in cell plumbing by observing plumbing compartment pressure gauge 25 PSI 2 Check for blockage closed valves in cell outlet plumbing 3 Check fuse F12 on the control interface board Figure 34 Contactor Failed to Close Contactor did not close 1 Phase detector tripped 2 Contactor enable fuse blown 3 Contactor coil failed 1 Check for red light on pha...

Page 64: ...rrent Cell amperage exceeds limit for longer than 10 sec 1 Low water flow 2 Water flow control valve failure 3 Brine proportion pump malfunctioning 1 Verify water flow is within system specifications 2 Check fuse F10 on control interface board Figure 34 3 Contact MIOX Customer Service Low Water Pressure Water pressure below 35 PSI 1 Low water pressure 2 Water boost pump failure 1 Verify water pres...

Page 65: ...ailure External Dilution Air DA signal in fault condition 1 Dilution Air system failure 2 External Dilution Air system not used 1 Correct external Dilution Air system failure 2 Place jumpers across input according to wiring diagram Cell Current Variation Large variation of current between cell modules and exits 1 Current sensor failure 2 Cell worn out 3 Loose connection at cell leads 1 Determine w...

Page 66: ...el Components Table 15 Switch Gear Panel Components Label Component Label Component Label Component CB1 Breaker PM Power Monitor TPM 1 2 3 Transient Surge Module DS Switch Disconnect PS Power Supply FH1 Fuse CN Contactor RLY Safety Relay DB 1 2 3 Distribution Block GB1 2 Ground Block ...

Page 67: ...MIOX RIO Series Operators Manual P N 102 00076 G Page 66 Figure 34 Interface Board ...

Page 68: ... the end of the pump head The inlet port has a push connect swivel elbow and the arrow head end is the outlet end Removing The Old Brine Pump 1 Put the system in standby by pressing the red mushroom button on the control panel 2 Wait for the system to complete purging and go into standby status 3 Disconnect the electrical connector by following the cable from the pump to the top of the plumbing en...

Page 69: ... Contact MIOX Customer Service for returning damaged brine pump Rupture Disk Maintenance The rupture disk is designed to prevent excessive pressure build up inside the cell If the cell pressure exceeds 25psi then a diaphragm inside of the rupture disk union bursts A probe located on the post side of the union senses liquid that is discharged The probe notifies the system to shut down immediately O...

Page 70: ...e rupture probe 1 Unplug the probe from the push in fitting 2 Carefully clean the two probe sensor tips with water Rinse if possible Do not bend the sensor tips 3 Before reinserting the probe make certain that the metal contacts on the tip are dry 4 Reinsert probe into the push in connector Figure 36 Rupture Probe Acid Washing the Cell See MIOX Acid Washing Cell Procedure P N 102 00009 Contact MIO...

Page 71: ...tes the demand of the water is greater than 5 ppm and the dose rates of 10 15 and 20 ppm should be used for testing Conversely if the 5 ppm dose is only moderately decreased in 30 minutes testing should be performed with 1 3 and 5 ppm doses Use the following formulas to determine the amount of oxidant and sample water to use based on 100 mL samples Dilution Factor X Oxidant FAC Dose mL of oxidant ...

Page 72: ...ou should use test doses of 1 3 and 5 ppm Setup Calculations Use the formulas given above to determine the amount of oxidant and sample water to use based on 100 mL samples for each of the doses The sum of your oxidant and sample water volumes should add up to 100 mL since it provides enough volume for multiple FAC measurements at the various testing times Example Determine the oxidant and sample ...

Page 73: ...FAC concentration and time the reading is taken time 0 Repeat the above steps for the other dilutions measure each at time 0 before preparing the next dilution and then take FAC readings at 30 60 and 90 minutes Generate a table similar to the one given in the example below Example Fill out the table properly and completely The oxidant solution must be diluted to 1 ppm 3 ppm and 5 ppm doses as dete...

Page 74: ...onding sample This signifies how much of the oxidants were consumed by the water and thus how much of an oxidant demand there is in the sample water Example Determine the oxidant demand of the water In this case let s assume the operator wants a 1 0 FAC residual in the water system Looking at the bottom row t 90 minutes of the chart filled out above note that Sample B at 1 8 ppm is closest to the ...

Page 75: ...t Kit i e DPD Color Wheel Colorimeter or AccuVac Chlorine Demand Free Water see below Graduated Cylinder 1000 mL for MIOX and RIO Series mixed oxidant or sodium hypochlorite systems Timer or a watch with a second hand Calculator Preparing Chlorine Demand Free Water Demand free water is required for determination of oxidant concentration in an on site generator Because the oxidant is being diluted ...

Page 76: ...e is a chlorine residual record the value and wait another 15 minutes 7 Check the chlorine residual again If the chlorine value is the same as the last reading the chlorine demand in the water has been met and the water is stable 8 If the chlorine value is different than the last reading wait 15 minutes and check it again Repeat this procedure until the chlorine residual is stable 9 Record the fin...

Page 77: ...e The chlorine reading from Step 6 was 1 75 mg l and the dilution ratio used was 1 2500 Chlorine concentration is 1 75 mg L x 2500 4375 mg L Method Two chlorine residual present in dilution water Subtract the chlorine residual value obtained in step 6 above by the chlorine residual value measured in the demand free water to determine the net chlorine value Next multiply this net chlorine value by ...

Page 78: ... rate must also be determined and adjusted if necessary 1 Remove the tubing that feeds the oxidant tank and insert into the graduated cylinder for exactly 30 seconds 2 Record the number of milliliters mL collected in the 30 second time period 3 Assign the number recorded in step 2 to F in the equation below to determine the flow of solution Y in GPH Calculating Total Chlorine Production Chlorine p...

Page 79: ...MIOX RIO Series Operators Manual P N 102 00076 G Page 78 APPENDICES A Water Quality Guidelines B Salt Quality Guidelines ...

Page 80: ...RE LIMIT WHAT IS IMPACTED Oxidant Demand Chlorine Production Cell Life Total Hardness grains gal or mg L 1 grain 17 1 mg L Iron Fe mg L 1 mg L Manganese Mn µg L 50 µg L Fluoride Fl mg L 1 mg L Silica SiO2 mg L 20 mg L Bromide mg L 50 mg L Cyanide mg L 1 mg L Lead Pb mg L 2 mg L Dissolved Sulfides as H2S mg L Ammonia Nitrogen NH3 N mg L Organic Nitrogen Org N mg L Total Organic Carbon TOC mg L pH 5...

Page 81: ...age brine proportion pump speed needed for the system to reach the operating window Chlorine production would remain the same but salt conversion efficiency will decrease The same effect is true of silica on the cathode The system will operate with water temperatures outside this range however there will be a performance change Follow the system specifications for absolute limits ...

Page 82: ...eds the purity percentages listed below For additional information consult the MIOX Salt Guidelines white paper P N 106 00008 Note Failure to use salt that does not meet these specification VOIDS the Cell Warranty Component Percent NaCl dry 99 5 Impurity Percent Calcium in all forms 0 01 Magnesium in all 0 01 Manganese 0 00002 Iron as Fe 0 0005 Insolubles 0 005 Additives 0 0001 ...

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