Owner’s Manual - IPS Controllersipscontrollers.com/pdf/M920CAom_0517c.pdf · M92 CA M92 w pH/Dual...

M920CA & M920CAw pH/Dual ORP Controller

Owner’s Manual

M920CA & M920CAw pH/Dual ORP Controller Owner’s Manual

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Table of ContentsI. Introduction 2A. Water Chemistry 2B. IMPORTANT SAFETY INSTRUCTIONS 3C. System Components 4D. Specifications 7E. ControllerPanelDescriptions 8F. ElectricalDescriptions 10

II. Installation 11A. Setup 11B. Tools 11C. Procedure 11D. ConnectionRequirementsforRemoteMonitoring 15

III. Operation 17A. StartupandShutdown 17B. ModesandAdjustments 18C. Maintenance 25

IV. IPS-M920CA Wi-Fi Setup 28A. SmartPhoneWi-FiSetup 28B. Desktop/LaptopWi-FiSetup 30

V. Troubleshooting 32VI. Warranty 35


I. Introduction

A. Water Chemistry

Water chemistry is a complex science that contains many variables. Thesevariablesnotonlyaffectthewaterenvironmentitself,buttheycanhaveadverseeffectsonyourequipmentaswellasyourhealth.Theseareonlysomeofthefactorswhichwefollowcloselytoensurethemosthealthywaterinteractions: pHisthemeasurementoftheacidityorbasicityinanaqueoussolution.Ameasurementbelow7isconsideredacid,whileameasurementabove7isbaseoralkaline.Itisasignificantfactorindeterminingthewaterqualityasitaffectssanitizerlevels,watercolor,andhumanreactiontothe water.

ORP(OxidationReductionPotential)isthemeasurementoftheoxidizingcapacitypresentinwater.ORPcannotbefooledbytheeffectsofpH,totaldissolvedsolids(TDS),stabilizers,andnon-chlorineoxidizers.AtypicalORPsensormeasuresHypochlorousAcid(HOCI),whichisthemoreeffectivecomponentoffreechlorine.AhigherORPreadingequatestothesanitizerworkingmoreeffectively.

WaterbalanceiscomprisedofpH,calciumhardness,totalalkalinity,temperature,andTDS.Whenwaterisbalanced,theLangeliersatura-tionindexis0.Valuesabove+0.3leadtoscalingandcloudywater,whilevaluesbelow-0.3cancausecorrosionofpoolequipmentandsurfaces.Ifthewaterbalanceisnotfixedinatimelymanner,secondaryeffectscanleadtorapidlydecliningwaterconditionsthatcanaffectthehealthofthe water occupants.

pHandORPworkconverselytooneanother,andareaffectedbyotherfactorssuchastemperature,CyanuricAcid,andTDSthatcanincreasethenegativeimpactsofunbalancedwater.

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B. IMPORTANT SAFETY INSTRUCTIONS1. READ AND FOLLOW ALL

INSTRUCTIONS.2. Risk ofelectricshock:Connectthecontrollertoadedicatedground-

faultcircuitinterrupter(GFCI)circuitbreaker.a.AgreencoloredterminaloraterminalmarkedG,GR,Ground,

Grounding,orthe symbol* is located inside the supply terminalboxorcompartment.Toreducetheriskofelectricalshock,thisterminalmustbeconnectedtothegroundingmeansprovided in the electricalsupplyservicepanelwithacontinuouscopperwireequivalentinsizetothecircuitconductorssupplyingthisequipment. *IEC Publication 417, Symbol 5019.

3. Disconnectpowerbeforeservicingthecontroller.4. Inspectallpowercordsfrequently.Anydamagedcordsshouldbe

replaced immediatelytoreducetheriskofinjurybyshock.5. Alwaysmaintainarecordofmanualwaterchemistryreadingsusing

anaccuratetestkit.AutomatedcontrollersarenotasubstituteforthisHealthDepartmentrequirement.

6. WARNING –Toreducetheriskofinjury,donotpermitchildren to use this product unless they are closely supervised at all times.

7. Danger– Riskofinjury.a.Replacedamagedcordimmediately.b. Do not bury cord.c. Connect to agrounded,groundingtypereceptacleonly.

8. WARNING –Riskofelectricshock.Installatleast5feet(1.5m)frominsidewallofwaterenclosureusingnon-metallicplumbing.

9. Operationofthiscontrollerwithoutafunctioningflow-switchwillvoidtheNSFCertification.

10.WARNING – Do not install this controller where it is accessible to the public.

11. SAVETHESE INSTRUCTIONS.


C. System Components

1. IPSM920CA pH/Dual ORP Controller

a. AllowsautomaticmonitoringofwatersanitizationandpHbalancethroughasimple,user-friendlyinterface,resultingineasiermanagementofwaterbalanceinswimmingpools,spas,orcirculatingwaterenvironments.

b.Canbeeasilyinstalledintoyourexistingpoolenvironmentandequipment,orcanbecustomizedtoyourneeds.

c.MonitorsanddisplaysthepHandORPlevelsusingLEDsanddigitalreadoutsonthefrontpanel.Ifthetemperaturesensorisinstalled,theM920CA will monitor temperature and display on thefrontpanelwheninTempmode.

d. DisplaysthecalculatedFreeAvailableChlorine(FAC)inpartspermillion(PPM)whenconnectedtotheIPSControllersmonitoringwebsite. The ORP / FAC display will alternate between the currentORPandthelastcalculatedFAC.FAC(PPM)calculationisnotcertifiedtoNSF50.

e.MonitorsuptotwochemicaltanksequippedwithlevelswitchesanddisplaysstatususingLEDsonthefrontpanel.

Inaddition,sixseparatefunctionbuttonsallowsimplepushbuttoncontroloftheseindividualparameters:

1. SetLevel–ORPorpHleveltobemaintained,2. DoseTimer–Timedorcontinuousfeedmodes,3. DelayTimer–Delaytimebetweenfeedcycles,4. OverTimer–Maximumfeedcyclesortimeallowed,5. HighAlert–MaximumlevelofORPorpHallowed,6. LowAlert–MinimumlevelofORPorpHallowed,7. pHCal–pHcalibrationforvariationinpHsensors.8. FACCal–FreeAvailableChlorineCalibration9. CYACal–CyanuricAcidCalibration/Entry

f.IftheORP(sanitizer)levelsreachapresetsetlevel,thenthecontrollerwillactivatethechemicalfeederuntilthepresetsetlevel is reached. The pH is similarly maintained.

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2. Flow Cell with Flow Switch

a. Aninjection-moldedflowcellwithintegratedflow switchhousesthepHandORPsensors,andpartnerswith theM920CA controller to monitor the pH and ORP levels in the water.

b. Theflowswitchverifiesthatwaterisflowingduringafeedcycle,andsendsthecontrollerinstructionstodeactivatethefeedifwaterisnotflowing.

c. Operationofthiscontrollerwithoutafunctioningflow-switchwillvoidtheNSFCertification.Routinelycheckthattheflow-switchisfunctioningbyclosingtheleftvalveonthebottomoftheflow-cell(flowlightshouldturnoff).

3. pH and ORP Sensors

a. pH Sensor – standard (Use only IPS Controllers part # SXPH to maintainNSFCertification)

b. ORPPlatinumSensor–standard(UseonlyIPSControllerspart#SXORPtomaintainNSFCertification)

c. ORPGoldSensor–forusewithSaltChlorinesystems(UseonlyIPSControllerspart#SXORP-GtomaintainNSFCertification)

4. Fittings–tubingconnectors(2)fortappinginstallationofflowcellinput/output

5. In-line Filter with 2-way valves6. Tubing–25feetof3/8”7. MountingBoard–ABSplasticwithmountingholesandstainless

hardware(16”x12”standard,24”x19”optional)8. Temperature Sensor – Senses the current water temperature and

displays the temperature in the display when in Temp mode.9. RemoteMonitoring–WhenconnectedtotheInternetthroughthe

InternalEthernetorwi-ficonnection,thecontrollerwillsenddatatoacentralwebsite.Userscanmonitorcontrolleractivityremotelyandreportonactivityforadaterange.

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D. Specifications

Enclosure:7.95”Lx5.98”Wx3.54”D

Electrical Input/Output:120VAC,50-60Hz

ORP Set Level:400mVto900mV

pH Set Level:7.0to8.0

Dose Timer:Off,Continuous,orTimedcycle

Delay Time:1-99minutes

Overfeed Timer:Off,20-100timedcycles,or20-180continuousminutes,defaultof60

High Alert:pHdefaultof8.0,ORPdefaultof900

Low Alert:pHdefaultof7.0,ORPdefaultof100

Readout:FunctionLEDandnumericaldigitaldisplays

Alarm:RedalertLEDswithoptionalexternalaudible/visiblealarm

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E. ControllerPanelDescriptions

1. DigitalDisplaysandFunctionLEDs

a. pH

1. Alert - red LED2. Dose-greenLED

b. ORP/FAC

1. Alert - red LED2. Dose 1 - yellow LED3. Dose 2 - yellow LED

Figure 2:M920CAControllerComponentsConnections

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ElectricalConnections

Flow CellConnections

digital display

pushbutton

LEDs

Controller Communication


2. Mode-pushbuttonadjustments

a. Auto - red LED

b.pHstandby-greenLED

c. ORP1 standby - yellow LED

d. ORP2 standby - yellow LED

e.Tempdisplay&calibrate-greenLED

f.OFFmode-Instandby,pressandholdModebuttonfor3secondstoturncontrolleroff.

3. Arrows-pushbuttonadjustments

a.Up-Forincreasingfeaturevalues

b.Down-Fordecreasingfeaturesvalues

4. SetLevel–pushbuttonadjustments

5. DoseTimer–pushbuttonadjustments

6. DelayTime-pushbuttonadjustments

7. OverTimer–pushbuttonadjustments

8. HighAlert–pushbuttonadjustments

9. LowAlert–pushbuttonadjustments

10. pH,FAC,CYACal–pushbuttonadjustments

11. Flow-greenLED

12. Tank 1 - red LED

13. Tank 2 - red LED

14. Remote(Power)-greenLED

15. Activity(Remote)-yellowLED

16. ElectricalConnections(peripherals)

a.pHoutput(leftreceptacle)-max.3.15amps@120VACmax,1.6amps@240VAC

b.ORP1output(centerreceptacle)-max.3.15amps@120VACmax,1.6amps@240VAC

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c.ORP2output(rightreceptacle)-max.3.15amps@120VACmax,1.6amps@240VAC

d.ACpower-120VAC,50-60Hz

e.Flow-fromflowcell

f.Tank1-fromtanklevelswitch(optional)

g.Tank2-fromtanklevelswitch(optional)

h.Externalaudible/visiblealarm(optional)

i.pHsensor-BNCconnection

j.ORPsensor-BNCconnection

k.OptionaldrycontactORP1output(contactfactoryforinstructions)

F.ElectricalDescriptions1. Power

a.120VAC,50-60Hz,3-wiregroundedNEMA5powercord.GFCIsourcerequired.Note:Thereisanoptiontoconvertto240VACinput/output.

2. DipSwitches(1-4)-SeeFigure3.

a. 1:pH/ORPinterlock(default:OFF)

NoORP1orORP2feedifpHisfeeding(ON).

b. 2:pH/ORPalertinterlock(default:ON)

NoORP1orORP2ifpHisinalertmode(ON).

c. 3:Acid/Basedefaultacid(default:OFF)

1. FeedbasechemicalwhenpHlevelfallsbelowsetpoint.(ON)2. FeedacidchemicalwhenpHabovesetpoint.(OFF)

d. 4:Notinuse.

Figure 3: Dipswitches

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II. InstallationA. Setup(Installationvideoavailableatipscontrollers.com)1. Turnoffallperipheralequipmentsuchasheaters,chemicalfeeders,

and pumps.

2. Relievepressurefromthefiltrationsystem.

B. Tools1. Cordless drill

2. 1/4”NPTTap

3. 7/16”drillbit

4. 1/4”or3/8”drillbitforTempSensor

5. Masonrydrillbitandanchors,orotherappropriatefasteners

6. 13/16”wrenchorchannel-lockpliers

C. Procedure1. Location

a. Wall area with easy access

b. Within8feetoffeeder

c. Atleast10feetfromwateredge

d. Closeproximitytotimeclock

e. Within6feetofGFCIpowersource

2. Mounting

a. Controllerandflowcellarefactory-mountedtoABSboardforyour convenience.

b. SecurelymountABSmountingboardwithM920CA controller and flowcellonwall(verticalinstallation).

c. Ifapplicable,securelyattachtheperistalticpumpstotheoptionallargerABSmountingboardwiththeprovidedhardware.

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d. Drilla7/16”holeandtapa1/4”NPTporttoalocationdown-streamfromthefilterandupstreamfromtheheaterandanychemicalintroductionpoints.Installatubingconnectorandflextubingtobeconnectedtotheleftsideflowcellportcontainingtheflowswitch.Thein-linefilterwillalsobeinstalledinthislineandmountedtoahorizontalpipewithbandclamps(included).Note: Verifythatthefilterisinstalledwithdirectionalarrowspointinginthedirectionoftheflow.

e. Drilla7/16”holeandtapa1/4”NPTporttoalocationthatissubjecttovacuumorreducedpressure(afterheater).Installatubingconnectorandflextubingtobeconnectedtotherightsideflowcellport.Note:Werecommendthatthistubingcon-nectorbeinstalledintothedrainholeonthesuctionsideofthe pump for best performance.

f. Cuta3”-6”lengthofflextubingandinsertintotheflowcell’ssamplestreamport(center).

3. pH and ORP Sensors Note: Carefully unpack the pH and ORP sensors and set aside in a clear areauntilreadytoinstallintotheflowcell.

a. VerifythattheM920CA controller power is OFF.

b. Removetheplasticprotectivecapsfromthesensorsandstoreinaseparatelocationforfuturere-use.

c. Slidetheglassendofeachsensor(pHandORP)intooneofthecompressionfittingslocatedatthetopoftheflowcell.Ensurethatthetipissubmergedintothewatertowithin1/2”fromthebottomoftheflowcell.Handtighteneachnutfitting.

4. Temperature Sensor

a. Drilla1/4”or3/8”inchhole(dependingonthesensorsize)afterthefilterandbeforetheheater.

b. Insert the temperature sensor into the drilled hole and secure withabandclamp(included).

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c. Runthesensorcableintothecontrollerthroughthestrainreliefmarked“temp”andconnecttotheterminalblockonthefrontcircuitboardmarked“Temp”.

5. RemoteMonitoringEthernetConnection

a. RuntheEthernetcablewithconnectorintotheM920CA throughthelargeststrainreliefconnectoronthebottomortheenclosure.

b. ConnecttotheEthernetconnectoronthefrontcircuitboard.

c. Whenavalidconnectionismade,thegreen“Remote”LEDwilllightupandtheorange“Activity”LEDwillblinkintermittently.

6. ElectricalConnections(Shouldbecompletedbyalicensedelectrician)

a. VerifythattheM920CA controller power is OFF.

b. ConnectthepHfeederconnectiontotheappropriateperistalticpump or other device.

c. ConnecttheORPfeederconnectiontotheappropriateperistalticpumporotherdevice.Note: There is another connectionportforORP2.

d.Method1(recommended):ConnecttheACpowercordtotheload-sideofthecirculationpumpcircuit.ThiswillonlyprovidepowertotheM920CAwhenthecirculationpumpisrunning.

e. Method2:ConnecttheACpowercordtoaGFCIpowersource.

f. ConnectthepHsensorconnectortothecorrespondinglowerport(labeledpH)attherightedgeofthecontroller.

g. ConnecttheORPsensorconnectortothecorrespondingupperport(labeledORP)attherightedgeofthecontroller.

7. OptionalconnectiontoaSaltChlorineGenerator(SCG) TheM920CAcontrolleriscapableofcontrolling(turningon/off)aSCGdependingonthecurrentORPreading.Thisactioncanbeaccomplishedthroughtheuseofa120Vor240Vrelay,orbycon-nectingtheSCGtothe“normallyopen”drycontactrelay(ORP1)includedwiththeM920CAcontroller.Contactthefactoryformoreinformation.

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8. ConvertingfromCordtoPermanentConnection

a. Remove cover.

b. LoosenstrainreliefglandfromACcord.

c. Usinga3/32”(2.44mm)slotscrewdriver,carefullyloosenterminalsthatattachtheACcordtothecontrollerbox.

d. Remove the AC cord.

e. ReplacetheACcordwithaminimumjacketedcordof18/3AWGSW105º900V,thencarefullyhandtightentheterminalsonthestrainreliefgland.Note:Forliquidtightinstallationconnections,replacethestrainreliefglandwithaliquidtightconnectoranduseaminimumstrandedwiregaugeof18AWG105º600V(do not use solid conductor) foreachconductor:Black(hot),White(common),andGreen(ground).

Important:

Theminimumallowableconductorsizeis18AWGwithanampacityof10AMPS,andagroundfaultinterruptcircuitbreakerof15-20AMPS.

Use stranded copper wire only.

9. Continuetothenextsectionfortheconnectionrequirementsforremotemonitoring.TheremotemonitoringmoduleandtheInternetare needed to complete this process.


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D. ConnectionRequirementsforRemoteMonitoring

1. IPS-M920CAw(Wi-Fi)

TheremotemonitoringmoduleusedwiththeIPS-M920CAw (or the RX-365wusedwiththeIPS-M820)isaWi-FidevicewhichwillaccessanexistingWi-Finetworktosendcontrollerdatatothecentralmonitoringwebsite.

IfanexistingWi-Finetworkisnotavailable,aMiFior“cellularhotspot”canbeadded(contactalocalwirelessprovider).

Note:TheEthernetconnectorontheM920CAw is disabled and cannot be used.

a. Howitworks: Theremotemonitoringmoduleisprogrammedto“wakeup”atacustomer-determinedinterval(minutes)tosendallcurrentreadings,settings,andalertstoIPSControllers’remotemonitoringwebsite.

Becausethedataisbeingsenttothewebsiteratherthanthewebsitepullingthedatafromthemodule,theportisnotleftopenandastaticIPAddressisnotneeded.Thisshouldaddressanyconcernsregardingfirewallsecurity.

Whenchangesaremadetothecontrollersettingsremotely,thenewsettingsaredeliveredbacktotheremotemonitoringmoduleonitsnextscheduledconnection.

b. Setup-GotoSectionIV-AonPage28forinstallationinstructions.

2. IPS-M920CA(Hardwire)

TheremotemonitoringmoduleincludedwiththeIPS-M920CA (or the RX-365usedwiththeIPS-M820)requires:• AnEthernetconnectionprovidedbyahardwiredirectlyfroma

router,• AWi-FitoEthernetAdapter,• OraCellularModem(requirescarrierservicesuchasVerizonor

AT&T).


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TheprovidedconnectionmustallowtheremotemonitoringmoduletoaccesstheInternetwithoutprovidinganyusernames,passwords,etc.viaPort80foroutbounddataonly.

ThebesttestforthisabilityistoconnectalaptoptotheEthernetcableandopenawebbrowser.Ifthebrowsercanopendirectlytothewebwithoutcredentials,theconnectionwillfunctionproperlyfortheremotemonitoringmodule(laptopWi-Fishouldbeturnedoffwhendoingthistest).

a. Howitworks: Theremotemoduleisprogrammedto“wakeup”atacustomerdeterminedinterval(minutes)andsendallcurrentreadings,settings,andalertstotheIPSControllersremotemonitoringwebsite.

Becausethedataisbeingsenttothewebsiteratherthanthewebsitepullingthedatafromthemodule,theportisnotleftopenandastaticIPAddressisnotneeded.Thisshouldaddressanyconcernsregardingfirewallsecurity.

Whenchangesaremadetothecontrollersettingsremotely,thenewsettingsaredeliveredbacktotheremotemonitoringmoduleonitsnextscheduledconnection.

b. Setup-GotoSectionIV-BonPage30forinstallationinstructions.


III. OperationA. Startup and Shutdown1. Startup

a. ProvidepowertotheM920CAusingeitherMethod1or2asdiscussedinstep6dor6eonpage13.

b. Turnonthefilterpumpandverifythewaterflowthroughtheflowcellbyopeningthesampleportvalve(center)andobservingasteadystreamofwater.Therightsidevalvemayneedtobepartiallyclosedtoproduceasteadystream.Note: WatershouldpassoverthepHandORPsensorsforaminimumof5minutestoallowforaccurate,stablereadingsofpHandORPlevelsfromthepoolorspa.ORPreadingsmaytakelongerto stabilize.

c. Checkforleaksandrepairifnecessary.

d. Manually adjust and balance the pool or spa water to acceptable rangesusingatestkit.Note(s):1.UseaDPDbasedtestkittocheckthechlorinelevel.2.CyanuricAcid(Conditioner)levelsshouldnotexceed50ppmforbestresults.

e. VerifythatthegreenFlowLEDisilluminated.BoththepHandORPdoseoutputsaredisabledifthereisnowaterflow.

f. PresstheModepushbuttonmomentarilytoplacethecontrollerintothepHstandbymode.ThegreenpHstandbyLEDwillilluminate.SelectthedesiredpHsetlevelanddosetime(continuousortimed).

g. WhilestillinthepHstandbymode,pressthepHCalpushbuttontocalibratethereadingtothevalueobservedthroughthemanualtestingofthewater.Note:Alwayscalibrateusingwaterfromthesampleportoftheflowcell.

h. PresstheModepushbuttonmomentarilytoplacethecontrollerin ORP1 standby mode. The yellow ORP1 standby LED will illuminate.SelectthedesiredORP1setlevelanddosetime(continuousortimed).

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i. PresstheModepushbuttonmomentarilyuntiltheredAutoLEDis illuminated.

2. Shutdown

Note:EachtimetheModepushbuttonismomentarilypressed,themodewillcyclefromAutotopHtoORP1toORP2,Temp,andthenreturn to Auto mode.

a. PresstheModepushbuttonmomentarilytoplacethecontrollerinpHstandbymode.ThegreenpHstandbyLEDwillilluminate,andboththepHandORPdigitaldisplayswillshowdashes.

b. PressandholdtheModepushbuttonfor2secondsuntilboththepHandORPdigitaldisplaysreadOFF.

c. ReleasetheModepushbutton.TheM920CA controller will turn off,andthedigitaldisplaysandfunctionLEDswillgoblank.ThegreenFlowLEDwillbeilluminatedifwaterisflowingthroughtheflowcell.

B. Modes and Adjustments1. Auto

a. ThisisthenormaloperationalmodeoftheM920CA controller.

b. ThecontrollerallowsfulloperationandmonitoringofbothpHand ORP levels.

c. Nofunctionpushbuttonsareoperationalinthismode.

d. TheredfunctionLEDnexttoAutoisilluminated.

e. pHandORPdigitaldisplaysmonitorthesensorinputlevels.

2. pH standby

Note:Whileinthismode,thegreenpHstandbyLEDwillilluminate,boththepHandORPdigitaldisplayswillshowdashes,andallAutofunctionswillbedisabled.Whenafunctionpushbuttonispressed,thecorrespondingdigitaldisplaywillshowthefunction.UsetheUporDownarrowbuttonstothelefttoincreaseordecreasethefunctionvalue.

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a. Set Level

1. Default:7.4pH2. Selectablerange:7.0–8.0pH(in0.1increments)

b. Dose Timer

1. Default:Timeddoseof10-secondpHfeedrelayenergizedand5minutespHfeedrelayde-energized.Inthetimeddosecyclemode,thedoseLEDwillflashwhiledosingandilluminatesteadilyduringthedelayportionofthetimedcycle.Incontinuousdosemode,thedoseLEDwillflashwhiledosing.

2. Selectablerange:OFF,CON(continuous),andTimed(0.6–900secondsONand5minutesOFF)

c. Delay Time

1. Default:Delaytimeof5minutesbetweenfeedcycles(timedfeedonly).Afterdosetime,thecontrollerwillwait(delay)forthespecifiedminutesbeforecheckingthecurrentlevelanddosingagainifnecessary.

2. Selectablerange:1-99minutes.

d. Over Timer

1. Default:ON.Theoverfeedtimerdoesnotautomaticallyreset.ItmustberesetbypressingtheModebuttontocyclethroughtheStandbymodeandbacktotheAutomode.

2. TheOverfeedtimerisinterlockedwiththeDoseTimerselec-tion.i. IftheDoseTimerissettoatimedcycle,theOverTimer

willcounttimedfeedcycles.Whenthepresetcycleisreached,thepHdigitaldisplaywillflashandthepHoutputrelaywillde-energize.Defaultis60cycles.

-Selectablerange:5to100cycles

ii. IftheDoseTimerissettoacontinuousfeedmode,theOverTimerwillcountinminutes.Defaultis60minutes.

-Selectablerange:20to180minutes

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3. WhentheDoseTimerischangedfromeithertimedorcon-tinuousfeed,theOverTimerisresettoDefault.

4.TurningofftheOverTimerwillvoidanyNSFCertification.

e. HighAlert

1. Default:8.0pH2. Selectablerange:OFF,7.5pHto8.4pH(acidfeed).Ahigh

alertwilloccurifthepHlevelremainsabovetheHighAlertlevelfor10continuousminutes,andwillautomaticallyturnofftheHighAlertwhenthepHlevelfallsbelowthehighalertlevelfor1continuousminute.DuringHighAlert,thepHdoseoutput will be disabled.

f.LowAlert

1. Default:7.0pH2. Selectablerange:OFF,6.8pHto7.4pH(acidfeed).Alow

alertwilloccurifthepHlevelremainsbelowtheLowAlertlevelfor10continuousminutes,andwillautomaticallyturnofftheLowAlertwhenthepHlevelrisesabovethelowalertlevelfor1continuousminute.DuringLowAlert,thepHdoseoutput will be disabled.

g.pHCal

1. Default:0-voltsensorinput,displays7.0pH2. Selectablerange:Witha0-voltsensorinput,thedisplayis

adjustablefrom6.1pHto7.9pH.3. ORP1 standby

Note:Whileinthismode,theyellowORP1standbyLEDwillilluminate,boththepHandORPdigitaldisplayswillshowdashes,andallAutofunctionswillbedisabled.UsetheUporDownarrowbuttonstothelefttoincreaseordecreasethefunctionvalue.

a. Set Level

1. Default:650mV2. Selectablerange:400mVto900mV(in5mVincrements)

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b. Dose Timer

1. Default:10-secondORPfeedrelayenergizedand5minutesORPfeedrelayde-energized(timeddosetimer).Inthetimeddosecyclemode,thedoseLEDwillflashwhiledosing,andwillilluminatesteadilyduringthedelayportionofthetimedcycle.Incontinuousdosemode,thedoseLEDwillflashwhiledosing.

2. Selectablerange:OFF,CON(continuous),andTimed(0.6to900secondsONand5minutesOFF)

c. Delay Time

1. Default:Delaytimeof5minutesbetweenfeedcycles(timedfeedonly).Afterdosetime,thecontrollerwillwait(delay)forthespecifiedminutesbeforecheckingthecurrentlevelanddosingagainifnecessary.


d. Over Timer

1. Default:ON.Theoverfeedtimerdoesnotautomaticallyreset.Itmustberesetbyturningthecontrolleroff,thenon.

2. TheOverfeedtimerisinterlockedwiththeDoseTimerselection.i. IftheDoseTimerissettoatimedcycle,theOverTimer

willcounttimedfeedcycles.Whenthepresetcycleisreached,theORPdigitaldisplaywillflashandtheORP1outputrelaywillde-energize.Defaultis60cycles.

-Selectablerange:5to100cycles

ii. IftheDoseTimerissettoacontinuousfeedmode,theOverTimerwillcountinminutes.Defaultis60minutes.

-Selectablerange:20to180minutes

3. WhentheDoseTimerischangedfromeithertimedorcontinuousfeed,theOverTimerisresettoDefault.

4. TurningofftheOverTimerwillvoidanyNSFCertification.

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e. HighAlert

1. Default:900mV2. Selectablerange:650mVto900mV,noOFF.Ahighalertwill

occuriftheORPlevelremainsabovetheHighAlertlevelfor10continuousminutes,andwillautomaticallyturnofftheHighAlertwhentheORPlevelfallsbelowthehighalertlevelfor1continuousminute.DuringHighAlert,theORP1doseoutput will be disabled.

f.LowAlert

1. Default:100mV2. Selectablerange:OFF,100mVto640mV.Alowalertwill

occuriftheORPlevelremainsbelowtheLowAlertlevelfor10continuousminutes,andwillautomaticallyturnofftheLow Alert when the ORP level rises above the low alert level for1continuousminute.DuringLowAlert,theORP1doseoutput will be disabled.

g. FACCal

1. Defaultis.0andwillnotchangeifcontrollerisnotcommuni-catingwiththemonitoringwebsite.

2. CalculatedFreeAvailableChlorine(ppm)willdisplayfromwebsiteandcanbecalibratedin.1increments(+/-).Whencalibratingdown,arrowpast“OFF”orthePPMdisplaywillbeturnedoff.

3. ValueiscalculatedusingpH,ORP,Temp,andCYA.*FAC(PPM)calculationisnotcertifiedtoNSF50.

4. ORP2 standby Note:Whileinthismode,theyellowORP2standbyLEDwillilluminate,boththepHandORPdigitaldisplayswillshowdashes,andallAutofunctionswillbedisabled.UsetheUporDownarrowbuttonstothelefttoincreaseordecreasethefunctionvalue.

a. Set Level1. Default:640mV2. Selectablerange:400mVto890mV(in5mVincrements),

cannotbesetforlessthan10mVbelowtheORP1setlevel.

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b. Dose Timer

1. Default:OFF.Inthetimeddosecyclemode,thedoseLEDwillflashwhiledosingandilluminatesteadilyduringthedelayportionofthetimedcycle.Incontinuousdosemode,thedoseLEDwillflashwhiledosing.

2. Selectablerange:OFF,CON(continuous),andTimed(0.6to900secondsONand5minutesOFF)

c. Delay Time

1. Default:OFF.Delaytimeof5minutesbetweenfeedcycles(timedfeedonly).Afterdosetime,thecontrollerwillwait(delay)forthespecifiedminutesbeforecheckingthecurrentlevelanddosingagainifnecessary.


d. Over Timer

1. Default:ON.Theoverfeedtimerdoesnotautomaticallyreset.Itmustberesetbyturningthecontrolleroff,thenon.

2. TheOverfeedtimerisinterlockedwiththeDoseTimerselection.i. IftheDoseTimerissettoatimedcycle,theOverTimer

willcounttimedfeedcycles.Whenthepresetcycleisreached,theORPdigitaldisplaywillflashandtheORP2outputrelaywillde-energize.Defaultis60cycles.-Selectablerange:5to100cycles

ii. IftheDoseTimerissettoacontinuousfeedmode,theOverTimerwillcountinminutes.Defaultis60minutes.-Selectablerange:20to180minutes

3. WhentheDoseTimerischangedfromeithertimedorcontinuousfeed,theOverTimerisresettoDefault.

4. ORP2willnotflashORPdigitaldisplayifORP2overfeedoccurs).

5. TurningofftheOverTimerwillvoidanyNSFCertification.

e. HighAlertcontrolledbyORP1.

f. LowAlertcontrolledbyORP1.


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g. CYACal

• Defaultis0

• TestedCYAlevelmustbeenteredforaccurateFAC/ppmCal-culation.CYAshouldbetestedandenteredatleastmonthly.

5. Temp Mode

a. WaterTemperaturewillbedisplayedifthetemperaturesensoris installed. Display will show the water temp when Temp mode isenteredandwillnotchangewhiledisplayed.

b. TemperaturecanbecalibratedbyusingtheUp/Downarrowkeys(+/-10degrees).

c. DisplaycanbechangedfromFahrenheittoCelsiusbypressingthepHCalbutton.

6. Flow

a. Thecontrollerandflowcellareshippedpre-mountedtoasmall(16”x12”)orlarge(24”x19”)ABSplasticboard.Theintegratedflowswitchispre-wiredtothecontroller.

Figure 4: Flow Switch Terminal

b. Theflowswitchmustbeinstalledforsafetyreasonstopreventdosingchemicalswhenthereisnoflowinthecirculationpiping.

c. Priortoinstallation,thecontrolleroperationcanbetestedbytiltingthepopulatedmountingboarduntilthecontroller’sgreenlightturnson(flowswitchmagnetattheswitch’stop).

7. HiddenFeatures-SeeFigure5.

Figure 5: Hiddenbutton


a. TheUp/Downbuttonscanbelockedouttopreventunauthorizedchangestothesettings.Thereisahiddenbuttonbehindthe“0”inIPS-M920CAonthefrontoverlay.PlacetheM920CA into standby mode and then press and hold the hidden buttonfor2seconds,untilthedisplayindicates“LocOn”andtheUp/Downkeysdonotoperate.Allotherfeaturebuttonswillworktodisplaycurrentsettings.Turnthelockoffbyholdingthehiddenbuttondownfor2secondsuntilthedisplayindicates“LocOff”.

b. TheM920CAcanbeforcedtomanuallydosepH,ORP1,orORP2byplacingtheM920CA into the standby mode that is desired (pH,ORP1,ORP2),andthensimultaneouslyholdingdownthedosetimerbuttonanddelaytimebutton.theM920CA will dose forthetimesetinthedosetimesetting(timed-feedonly).

8. Factorydefaults Toreturnthecontrollertothefactorydefaults:

a. Place the controller in Standby Mode. b. TurnoffthecontrollerbyholdingdowntheMode

pushbutton.c. PressandholdboththeSetLevelandpHCalpushbuttons,

andthenpresstheModepushbutton.BoththepHandORPdisplayswillshow“Ld”.Thecontrollerwillbereturnedtothefactorydefaultfunctions,andbeplacedinthetestmode.

d. ReturnthecontrollertofulloperationbyagainturningoffthecontrollerwiththeModepushbutton.TurnthecontrolleronagainbypressingtheModepushbutton.Note: Failure tocompletethisactionwillleavethecontrollerinthetestmode.

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C. Maintenance1. Winterizing(extendedshutdownsorcolderclimates)

a. TurnofftheM920CAcontrollerandshutoffmainpowertocontroller.

b. GentlyremovethephandORPsensorsfromtheflowcell.Filltheprovidedprotectivecaps(removedduringinstallation)withwaterandre-installontoeachsensor,andstoreinawarm,securelocation.Sensorendsmustremaininwaterforthedurationofthestoragetime.

c. Drainthewaterfromtheflowcell.

2. Cleaningthesensortips

Note:Itisimportanttokeepthesensortipscleaninordertoensureaccuratereadings.

a.Sensortipsshouldbecleanedevery3to6monthsforcommer-cialpoolsandspas,andevery6to9monthsforresidentialpoolsandspas.Determinethenecessaryfrequencybycomparingthereadingsbeforeandafterthecleaning.Identicalreadingsmeanthatthecleaningtimecanbeextended.

b. TurnofftheM920CA controller.

c. Closetherightandleftvalvesatthebottomoftheflowcell.

d. Loosenthenutfittingonthesensorandgentlyremoveitfromtheflowcell.

e. Swirlthesensortipinasolutionofliquiddishsoapandwaterfor30secondsandrinsewithwater.

f. Swirlthesensortipfor5secondsinMuriaticacidorwhitevinegarandrinsewithwater.Note: Do not touch or brush the sensortip.

g. Gentlyre-insertthesensorintotheflowcellandhandtightenthenutfitting.

h. TurnontheM920CA controller.

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27

i. Opentheflowcellvalvesandwaitforafewminutesforthesystemtostabilizeandgetanaccuratereading.AdjusttheSetLevelifnecessary.

3. CheckingtheORPsensor

a. TheORPsensormustbecheckedevery6months,orafteranover-sanitizationevent.

b. Cleanthesensortipasshownintheprevioussection.

c. Placethesensorinacleanglassoftapwater.Thereadingshouldshowbetween200mVand400mV.

d. AfteraddingapinchofDichlororTrichlorintothewater,thereadingshouldshowbetween750mVand800mV.Note: if a sanitizerwithhighpHisusedinplaceofDichlororTrichlor,thereadingshouldshowbetween650mVand750mV.

e. Ifthesensordoesnotshowtheindicatedreadings,thenitmustbe replaced.

4. CheckingthepHsensor

a. ThepHsensormustbecheckedevery6months,orafteranyincidentwhenthepHlevelgoesoutofrange.

b. Placethesensorinacleanglassoftapwater.

c. Addasmallamountofacidtothewaterandtakeareading.Itshould show a low number.

d. Placethesensorintoasolutionthatishigherthan7.5pH,andverifythatthereadingisincreasing.

e. Ifthesensordoesnotshowtheindicatedreadings,thenitmustbe replaced.


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IV. IPS-M920CA Wi-Fi SetupA. Smart Phone Wi-Fi Setup1. TurnontheIPS-M920CA.

2. SearchforavailableWi-Finetworks.SeeFigure6.

3. Select XPicoWiFi_XXXXXX to connect. Note: XXXXXX indicates the last sixcharactersoftheMAC/Serial#locatedontheXPicoWifidevice,ona label near the antenna and on the insideofthecontrollercover(e.g.00-80-A3-AB-01-C8).

4. AfterclickingConnect,enter“xpicowifi”inlowercaseasthenetwork security password. Click onJoinbuttontocompletetheconnection.SeeFigure7.

5. Onceconnected,openabrowser window and type “192.168.0.1:8081”intheaddressbar. Press the Enter key. SeeFigure8.

6. Adialogboxwillappear.Type“admin”inlowercaseintheUserNameboxandthefullMAC/Serial#withoutdashes(e.g.0080A3AB01C8)inthePasswordbox.ClickonLogInbutton. SeeFigure9.

Figure 6: Available WiFi networks

Figure 7: Network Security Password

Figure 8: xPicoWiFi Web Address

Figure 9: xPicoWiFiLoginDialogBox


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7. TheXPicoWiFimainpagewillopen.Click on Quick Connect at the top ofthemenuandselecttheWiFinetworktobeused(e.g.H88d3).SeeFigure10.

8. Type in the Network Key associated with the selected Wi-Fi network. Note:Keysarecasesensitive.ClickontheSubmitbutton. SeeFigure11.

9. ClickontheOKbuttoninthedialogbox.Ignorethedisplayedwarningduringthefinalprocess.Note: The deviceinthewarningisXPicoWiFi.SeeFigure12.

10. TheWi-Finetworkconnectioniscomplete,andthegreenremotelightonthefrontofthecontrollershouldshowasasolidgreen.

Ifthelightisnotasolidgreen,verify that the correct Wi-Fi network is selected and re-enter the network key. Note:Keysarecasesensitive.

Figure 10: xPicoWiFiMainPage

Figure 11: Wi-Fi Network Key

Figure 12:CompleteConnection


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B. Desktop/LaptopWi-FiSetup1. TurnontheIPS-M920CA.

2. SearchforavailableWi-Finetworks.

Select XPicoWiFi_XXXXXX to connect.SeeFigure13. Note: XXXXXX indicates the last sixcharactersoftheMAC/Serial#locatedontheXPicoWifidevice,ona label near the antenna and on the insideofthecontrollercover (e.g.00-80-A3-AB-01-C8).

3. AfterclickingConnect,enter“xpicowifi”inlowercaseasthenetwork security password. Click onNextbuttontocompletetheconnection.SeeFigure14.

4. Onceconnected,openabrowser window and type “192.168.0.1:8081”intheaddressbar. Press the Enter key. SeeFigure15.

5. Adialogboxwillappear.Type“admin”inlowercaseintheUserNameboxandthefullMAC/Serial#withoutdashes(e.g.0080A3AB01C8)inthePasswordbox.ClickonLogInbutton. SeeFigure16.

6. TheXPicoWiFimainpagewillopen.Click on Quick Connect at the top ofthemenuandselecttheWiFinetworktobeused(e.g.H88d3).SeeFigure17.

Figure 13:XpicoWiFiConnection

Figure 14: Network Security Password

Figure 15: xPicoWiFi Web Address

Figure 16:xPicoWiFiLoginDialogBox

Figure 17:xPicoWiFiMainPage


7. Type in the Network Key associated with the selected Wi-Fi network. Note:Keysarecasesensitive.ClickontheSubmitbutton. SeeFigure18.

8. ClickontheOKbuttoninthedialogbox.Ignorethedisplayedwarningduringthefinalprocess.Note: The deviceinthewarningisXPicoWiFi.SeeFigure19.

9. TheWi-Finetworkconnectioniscomplete,andthegreenremotelightonthefrontofthecontrollershouldshowasasolidgreen.

Ifthelightisnotasolidgreen,verify that the correct Wi-Fi network is selected and re-enter the network key. Note:Keysarecasesensitive.

Figure 18: Wi-Fi Network Key

Figure 19:CompleteConnection

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V. Troubleshooting

A. Chlorine/Bromineleveltoolow1. ORP Set level is too low:CheckSanitizerlevelwithtestkitandadjust

Set Level as necessary

2. Chemical feed rate too low:Increasethefeedrate.

3. Chemical feeder is empty:Refillthefeeder.

4. Chemical check valve/injector is clogged:Switchacidfeedtubetochlorine injector to clean.

5. Feed pump malfunction:Repairthefeedpump.

6. Sensor malfunction: Replace sensor.

B.Chlorine/Bromineleveltoohigh1. ORP Set level is too high:CheckSanitizerlevelwithtestkitand

adjust Set Level as necessary.

2. Sensor tip is dirty:Cleanaccordingtomaintenance instructions.

C.pHleveltoolow1. pH Set level is too low: Check pH level with test kit and adjust Set

Level as necessary.

2. Chemical feed rate too high:Lowerfeedrate.

3. Chemical feeder is empty (base):Refillthefeeder.

4. Sensor malfunction: Replace sensor.

D.pHleveltoohigh1. pHSetLevelistoolow:CheckpHlevelwithtestkitandadjustSet

Level as necessary.

2. Sensor tip is dirty:Cleanaccordingtomaintenance instructions.

3. Improper pH sensor calibration:AdjustpHcalibration.


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4. Chemical feeder is empty (base):Refillthefeeder.

5. Feed pump malfunction:Repairthefeedpump.

6. Chemical feed rate too low:Increasefeedrate.

E. pHalertLEDon1. Problem with acid supply:Verifythattheacidtankisnotempty.

2. Controller undershooting set level:Increasedosingtimeifusingatimedfeedcycle,orswitchtocontinuousfeed.

3. Manual addition:Verifythattheacidwasnotmanuallyadded.

4. Controller overshooting set level:1)Diluteacidwithwater,or2)Lowerdosingtime,orswitchfromcontinuousfeedtotimedfeed.

F.ORPalertLEDon1. Problem with acid supply:Verifythatchlorinewasnotmanually

added.

2. Controller overshooting set level:Lowerdosingtime,orswitchfromcontinuousfeedtotimedfeed.

3. Problem with chlorine supply:1)Verifythatthechlorinefeederisnotempty,or2)Verifythatthesolenoidvalveonthefeederisnotstuck open.

4. Controller undershooting set level:1)Checkforpropervalveposi-tionsandleaksinchlorinelines,or2)Increasedosingtimeifusingtimedfeed,orswitchtocontinuousfeed.

G. CalculatedFACppmnotmatchingmanualtest1. Thisisnotuncommon,especiallyaspHandORPsensorsage.Cali-

brateFACtomatchyourtestedppmofsanitizerinORP1Mode.

2. AddmeasuredCYAusingtheCYACalsettinginORP2Mode.

H.DisplayandLEDsoff1. No power supply: Check circuit breaker.


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I.Feedernotoperating1. Inadequate Flow:Checkflowlightandverifyflowthroughtheflow

cell.

2. Bad fuse: Replacefuse.

J. FlowLEDoff1. Verifythatallappropriatevalvesareopen.

2. Verifythatthereissufficientpressureintheline.Closerightsidevalveslightlyifnecessary.

3. Verifythattheflowswitchissecurelyconnectedtothe controller terminals.

4. BoththepHandORPdoseoutputsaredisabledifthegreenFlowLED is not illuminated.


VI. Warranty

IPS-M920CA pH/Dual ORP Controllers IPSControllerswarrantstheIPS-M920CAcontrollertobefreeofdefectsinmaterialsandworkmanshipforaperiodoffive(5)yearsfromthedateofinstallation.Thiswarrantyislimitedtotherepairorreplacementofdefectivecomponents(atourdiscretion)whenreturnedtothefac-torywithinthefive(5)yearwarrantyperiod.

Other Components IPSControllerswarrantsallothercomponentsincludingflowcellsandflowswitchesforaperiodofone(1)yearfromthedateofinstallation.Sensorswillbeunderwarrantyforaperiodofone(1)yearfromthedateoffactorypurchase.Thiswarrantyislimitedtotherepairorreplacementofdefectivecomponents(atourdiscretion)whenreturnedtothefactorywithintheone(1)yearwarrantyperiod.

LimitationofLiabilityThisLimitedWarrantyexcludesliabilityforanydamageduringtransportation,consequentialdamagesofanykind,damagesduetoimproperinstallationorimproperoperation,improperhandlingofchemicals,andtheuseofthisproductinapplicationsforwhichitwasnotdesigned.

ClaimsAll warranty claims should be directed to IPS Controllers at the contact pointlistedbelow.AfterreceivingaReturnedMerchandiseAuthoriza-tion(RMA)number,allproductmustbereturned(shippingprepaid)tothefactoryforevaluation.

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Factory Contact:26111YnezRoad,SuiteC-4,Temecula,CA92591

phone.877-693-6903,fax.951-693-3224web. www.ipscontrollers.com

M920CAOM 05/17

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