Aquatech Pressmain MG-L User manual

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INSTRUCTIONSFOR
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 0. GENERALSAFETYINFORMATION,WARNINGS&CAUTIONS
1. INSTALLATION
2.THEUSER
3. SERVICING
4. DISPOSAL
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TANKMATICTANKLEVEL/TEMPERATURE
MONITORING/CONTROLUNIT
WITHSMARTRELAYCONTROL
MODELS:MG‐L,MG‐T,MG‐LT
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ISSUE1623/4/18
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HeadOffice:AGMHouse,LondonRd,Copford,Colchester,EssexCO61GTUK
Tel:01206215121Email:aftersales@agm‐plc.co.uk
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ManchesterOffice:Unit10,WheelForgeWay,AshburtonRoadWest,Manchester.M171EH
Tel:01612264727Email:aftersales@agm‐plc.co.uk

TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  2 
CONTENTS
0. GENERAL SAFETY INFORMATION .............................. 3 
0.1WARNINGS ................................................................................................... 3
0.2CAUTIONSFORINSTALLATION ....................................................................... 4
0.3CAUTIONSFOROPERATION/USER .................................................................. 6
0.4CAUTIONSFORMAINTENANCE ...................................................................... 6
1.  INSTALLATION INSTRUCTIONS ........................................................... 8 
1.1GENERAL ..................................................................................................................... 8
1.2ADDITIONALWARNINGSANDCAUTIONS ....................................................................... 8
1.3PROCEDURE ................................................................................................................. 8
2.  USER INSTRUCTIONS ......................................................................... 13 
2.1CUSTOMERASSURANCE ............................................................................................. 13
2.2COMMISSIONING ....................................................................................................... 14
2.3OPERATINGINSTRUCTIONS ......................................................................................... 14
2.4ALARMS ..................................................................................................................... 17
3.  SERVICING ........................................................................................... 18 
3.1MAINTENANCEANDCAREOFYOUREQUIPMENT ......................................................... 18
3.2LEGALREQUIREMENTS ............................................................................................... 18
3.3SERVICECONTACTS .................................................................................................... 18
4.  DISPOSAL ............................................................................................. 19 
EC DECLARATION OF CONFORMITY ...................................................... 19 
OPERATING PARAMETERS ...................................................................... 20 

TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  3 
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 0.GENERALSAFETYINFORMATION 
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 Theseinstructionsareintendedfortheinstaller/operator/user/maintenanceofthisequipment
andmustbekeptwiththeequipment,forthelifeoftheequipmentandmadeavailabletoall
persons.PleasereadGENERALSAFETYINFORMATION0.0,WARNINGS0.1andCAUTIONS0.2,0.3&
0.4beforedoinganythingelse,andthenfollowthemcarefully.
 Theunitmustonlybeinstalled/operated/used/maintainedbyacompetentperson;Acompetent
personissomeonewhoistechnicallycompetentandfamiliarwithsafetypracticesandthehazards
involved.
 HydraulicAccumulators/ExpansionVesselsinstalledaspartof/inconjunctionwiththisequipment,
withPressurexVolumeabove250Bar‐litres,requireregularformalinspectionbyacompetent
person.ThisisaLegalRequirementunderthe“PressureSystemsSafetyRegulations”(PSSR)and
theOwner/Usershouldbemadeawareoftheirresponsibilityforthis.(seesection3.Servicing).
 Failuretoinstall/operate/use/maintaintheequipmentasrecommendedbelowcouldcause
damagetotheequipmentanyanythingsubsequentlyconnectedtoit,andinvalidatethewarranty
providedbyAquaTech‐Pressmaintothebuyer.
 Anydamagecausedtotheequipmentbymisapplication,mishandlingormisusecouldleadtorisk
ofElectrocution,Burns,Fire,Floodingorinjurytopeopleorpropertydependentuponthe
circumstancesinvolved.
 ThisequipmentMAYcontainmoving/rotatingpartsthatmustremainguarded.Removalofor
missingguardscouldleadtoseriouspersonalinjury.
 Thisequipmentautomaticallyrestartsafterapowerinterruption.
 Weacceptnoresponsibilityorliabilityforanyconsequencesordamage/lossesdueto
misapplication,mishandlingormisuseoftheequipment.
 Itshouldbenotedthattheassemblyofpressureequipmentonsiteundertheresponsibilityofthe
user(orhisrepresentative)isnotsubjecttothePressureEquipmentDirective97/23/EC.(National
legislationcoveringassemblyonsitewillapply)
 Thelatestversionofthisinstructionmanualwithuptodatesafetyinformationcanbedownloaded
fromourwebsiteatwww.aquatechpressmain.co.uk
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0.1 WARNINGS
0.1.1 Donottouchanylivepartsforatleast5minutesafterswitchingofftheelectricitysupply.Failureto
observethiswillconstituteasevereElectricshockand/orBurnshazardandmaybelethal.
0.1.2 Theequipmentisonlysuitableforearthreferencedsuppliesandmustbepermanentlyearthedto
avoidElectricshockhazard.
0.1.3 WithequipmentisolatorOFF,mainsvoltagemaystillbepresentfromBMSsystem.Thisconstitutes
anElectricshockhazard.
0.1.4 Emergencystopbuttondoesnotremovedangerousvoltagesfromcontrolpanel/pumpmotor
assemblies.ThisconstitutesanElectricshockhazard.
0.1.5 Metalparts(e.g.heatsinks)mayreachtemperaturesof90degreescentigradeandwillconstitutea
Burnshazard.
0.1.6 Someequipmentisdesignedtooperatewithliquidtemperaturesupto150degreescentigradeand
willconstituteaBurns/scaldinghazard.

TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  4 
0.1.7 Theequipmentmustnotbepressurisedbeyondthemaximumworkingpressureasstatedon
pressuresensors/temperaturesensors/pumps/pipework/vessels/controlpanelotherwiseserious
mechanicaldamage/destructioncouldoccurcausinginjurytopeopleorproperty.
0.1.8 Theequipmentmustnotbeheated/chilledbeyondthemaximum/minimumworkingtemperature
asstatedonpressuresensors/temperaturesensors/pumps/pipework/vessels/controlpanel
otherwiseseriousmechanicaldamage/destructioncouldoccurcausinginjurytopeopleorproperty.
0.1.9 Anydamagetoequipment,sensors,pumpset,vessels,pipeworkorsystemcomponentscausedby
misapplication,mishandlingormisusecouldleadtoElectricshockhazard,Burnshazard,Firehazard,
Floodinghazardorcauseinjurytopeopleorproperty.
0.1.10 Thisequipmentmaycontainmoving/rotatingpartsthatmustremainguarded.Removalofor
missingguardscouldleadtoseriouspersonalinjury.
0.1.11 Pressurevesselsmustneverbedisassembledwhilstinuse,theycontainhighpressureair/gascharge
whichcouldcauseinjurytopeopleorproperty.
0.1.12 Pumpmotorswithliftingeyes;theliftingeyesareonlysuitableforliftingmotorsNOTtheentire
pumpassembly.Thiscouldcauseinjurytopeopleorproperty.
0.1.13 Ensurethebase/foundation/plinth/walltowhichtheequipmentistobeattachedissufficiently
strongenoughtocarrytheentiremassoftheequipmentincludingthewaterthatitwillcontain
underworst‐casefaultconditions.E.g.fullysaturatedpressurevesselwithnoaircharge,breaktank
fulltooverflowing,etc.Failuretoobservethiscouldcauseseriousmechanicaldamage/destruction
resultingininjurytopeopleorproperty.
0.1.14 Thisequipmentcontainsafluidwhichmayundercertaincircumstancesleak/drip/sprayfluid(e.g.
servicing,repairormalfunction).Ensureanyfluiddischargewillnotcausedamagetothe
surroundingsbytakingappropriateaction.E.g.installinaplacethatwillnotbedamagedbyleakage
orinstallinabundedareawithadequatedrainage.
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0.2 CAUTIONSFORINSTALLATION
0.2.1 READGENERALSAFETYINFORMATION0.0,WARNINGS0.1andCAUTIONS0.2,0.3&0.4
0.2.2 Theunitshouldonlybeinstalled/operatedbyacompetentperson;Acompetentpersonissomeone
whoistechnicallycompetentandfamiliarwithsafetypracticesandthehazardsinvolved.
0.2.3 Donotliftthepumpset(wheresupplied)bypipework.Liftthepumpsetbythecontainerpalletusinga
pallet/forkliftorcranebypassingstropsunderneaththeskidusingaspreaderbar.Failuretoutilise
thesefacilitieswillresultindamagetothepumpset.
0.2.4 Storeinadryplacetoavoiddampconditionsdeterioratingtheequipment.
0.2.5 Protectagainstdirt,damageandfrost.Itisabsolutelyessentialthatnoforeignmattersuchaspipe
threadswarf,weldingslag,gritorstonesareallowedtoentertheequipment.Debrisofthistypecan
causeseveredamagetothesensors,mechanicalseals,diaphragmsandimpeller.Frost/freezingwill
damagesensors,pumps/pipeworkandcontrolpanelcomponents.
0.2.6 Theequipmentisonlysuitableforinstallationinaclean,dustfreeindoorenvironment,withadequate
protectionfromheatandfrost,andsufficientventilationtoensurecoolingofthemotors(where
applicable).Ambientairtemperatureshouldbebetween5and40degreescentigrade,non‐
condensating.Operationoutsideoftheseconditionscouldseriouslydamagetheequipment.
0.2.7 Iftheequipmentweretobestoredortakenoutofserviceforaperiodoftime(e.g.1weekormore),
thenwewouldrecommenddrainingtheequipmentofallwater/liquid(withdueregardtoanylocal
regulations)topreventfrostdamagetocomponents.Whenrestartingisrequiredwewould
recommendcommissioningbyourauthorisedserviceagent.
0.2.8 Ensurethebase/foundation/plinth/walltowhichtheequipmentistobeattachedhassufficientmass
comparedtotheequipment,inordertoavoidnoise/vibrationtransmission.E.g.themassofthebase
shouldbeatleastfivetimesthemassoftheequipment.

TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  5
0.2.9 Ensuretheelectricalsupplyisthecorrectvoltage,current,frequencyandtypefortheequipment
suppliedandthatsuitablecircuitprotectionequipmentisinstalledinthesupply.Incorrectelectrical
installationcouldbeanelectricshock/burns/firehazard.
0.2.10 Whenaccessingthecontrolpaneltomakeelectricalconnectionsadoptanti‐staticprocedurese.g.
wearanti‐staticearthedwristband,toavoidriskofdamagingthecontroller.
0.2.11 AllproductsthatarepackagedtoincludePressurevessel(s)/HydraulicAccumulator(s)/Expansion
Vessel(s)areclassedas“Assemblies”underthePressureEquipmentDirective(PED).Whereunitsare
despatchedwith“Loose”vessel(s)forassemblyonsiteitisabsolutelyessentialthattheybeinstalled
asdetailedintheinstructionsusingthefittingsprovidedwhereappropriate.Failuretoobservethis
willnullifycompliancewiththePEDandmaypresentasafetyhazard.Yourwarrantymayalsobe
affected.
0.2.12 WhereHydraulicAccumulator(s)/ExpansionVessel(s)aresuppliedasalooseitem,theymustbe
installed/connectedcorrectlybeforeoperatingtheequipment,otherwiseseriousdamagefromover‐
pressure/pumpoverheatingcouldoccur.
0.2.13 Donotoperatethisequipment/pumpsetpriortocommissioning(section2.2)Thiscouldcause
irreparabledamagetosensors/equipment/pumpset/pipework/systemcomponents.
0.2.14 Isolatethesensors/equipment/pumpsetbeforepressuretestingsystem.Excesspressurecould
irreparablydamagethepressuretransducer,pressureswitches(wherefitted)andthediaphragmsof
pressurevessel/hydraulicaccumulators.
0.2.15 Whereapplicableitistheinstallers’responsibilitytoensuresubsequentpipeworketccanacceptthe
pressuresgeneratedbytheequipment/pumpsetandtoinstallanoverpressuresafetydeviceintothe
systemwithduerespecttothesuctionpressurepresentonthepumpset,thepumpclosedvalve
pressurestatedonthepump,themaximumworkingpressurestatedonanyoftheattachedpressure
vesselsandanyotherdeviceconnectedtothesysteme.g.boilers,calorifiersetc.
0.2.16 Whenchlorinationofthesystemiscarriedout,ensurethatanyresidualchlorineisremovedby
thoroughflushingasdetailedintheHSEapprovedcodeofpracticeL8,toavoiddamagingthe
sensors/equipment/pumpset.Thenormallevelofchlorinationisupto2partspermillion(ppm),but
shockdosingforsterilizationpurposes,at25‐50ppmfor24‐48hoursisacceptableaslongasall
chlorineisremovedoncetheprocessiscomplete.Chlorinationbeyondtheselimitscouldseriously
damagesensors/pumpsetcomponentsandWILLNOTbecoveredbythewarranty.
0.2.17 Theinstaller/userisresponsiblefortheinstallationofthecorrectearthingandprotectionaccordingto
validnationalandlocalstandards.Alloperationsmustbecarriedoutbyasuitablyqualifiedperson.
0.2.18 Theequipmentisonlysuitableforearthreferencedsuppliesandmustbepermanentlyearthedto
avoidelectricshockhazard.
0.2.19 TheequipmentmustbepermanentlyearthedwithappropriatesizedEarthing.
0.2.20 Equipmentcontainingvariablespeeddrives/motorshashighearthleakagecurrent>3.5mAandwill
requireadditionalearthbondingwherebyasingleconductorofincreasedsizeorduplicateearth
conductorsmustbeprovided.
0.2.21 Neverperformhighvoltageresistancetestsoncontrolpanels,variablespeeddrives/motorswithout
firstdisconnectingthepanel/drive/motorfromthecircuitbeingtestedasthiswilldamagethebuiltin
electroniccomponents.
0.2.22 Equipmentcontainingvariablespeeddrives/motorsthathasbeenstored/notpoweredupforlong
periodsoftime(i.e.1yearormore)mayrequirethevariablespeeddrive/motorcapacitorstobe
reformed.PleasecontactAquaTech‐Pressmainformoreinformation.Failuretoreformcapacitorswill
resultindrive/motordamage.
0.2.23 Metalparts(e.g.heatsinks)mayreachtemperaturesof90degreescentigrade.
0.2.24 RCD’s/ELCB’sarenotrecommendedforusewithvariablespeeddrives/motors.Wheretheiruseis
mandatoryusetypeBRCD’s.Forsinglephasesetswithinvertermotorstheearthleakagecircuit
breakermusttripoutwhenearthfaultcurrentswithDCcontent(pulsatingDC)occur.Forthreephase
setswithinvertermotorstheearthleakagecircuitbreakermusttripoutwhenearthfaultcurrents
withDCcontent(pulsatingDC)andsmoothDCearthfaultcurrentsoccur.
0.2.25 RCD’s/ELCB’ssuitableforusewithvariablespeeddrives/motorsarenotsuitableforpersonnel
protection.
0.2.26 EMC–invertermotors0.37kWto5.5kWElectromagneticdisturbance–firstenvironment(residential
areas)–unrestricteddistribution,correspondingtoCISPR11,classB,group1.Invertermotors>5.5kW

TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  6 
Electromagneticdisturbance–firstenvironment(residentialareas)–restricteddistribution.Immunity
toElectromagneticdisturbance–secondenvironment(industrialareas)–unrestricteddistribution,
correspondingtoCISPR11,classA,group1.Invertermotors>5.5kWforinstallationinfirst
environment(residentialareas)requireadditionalEMCfiltertoobtainclassB,group1status.
0.2.27 EMC‐WithrespecttoBSEN61000‐3‐2thisequipmentisdefinedas‘professionalequipment’and
thereforetheinstaller/usermayneedtoseekpermissionfromthesupplyutilitytoconnectthis
equipmenttothepubliclowvoltagemainssupply.
0.2.28 Where“Expansionvessels”areusedonDomestichotwatersystems(DHWS)orLTHWheatingsystem
pressurisationunits,thetemperatureofthefluidreturningtothevesselsshouldnotexceed70
degreesCentigradeasthiscoulddamagethevesseldiaphragm.Wherethetemperatureexceeds70C
anintermediatecoolingvesselshouldbefitted.
0.2.29 WhereapplicableDraincocks/valvesandairbleedscrewsmustnotbeleftopenasthiscouldcause
flooding.

0.3 CAUTIONSFOROPERATION/USER
0.3.1 READGENERALSAFETYINFORMATION0.0,WARNINGS0.1andCAUTIONS0.2,0.3&0.4
0.3.2 Theunitshouldonlybeoperated/usedbyacompetentperson;Acompetentpersonissomeonewhois
technicallycompetentandfamiliarwithsafetypracticesandthehazardsinvolved.
0.3.3 TheOwner/UserofthisequipmenthasaLegalResponsibilitytoensurethatitissubjecttoregular
formalinspections.SeeSection3.Servicing,fordetails.
0.3.4 WhereHydraulicAccumulator(s)/ExpansionVessel(s)aresuppliedasalooseitem,theymustbe
installed/connectedcorrectlybeforeoperatingtheequipment,otherwiseseriousdamagefromover‐
pressurecouldoccur.
0.3.5 Theequipmentmustnotbeused/rununtilcommissionedbyanauthorisedAquaTech‐Pressmainagent,
thiscouldirreparablydamagethesensors/pumpsetand/orsystemcomponents/pipeworkconnectedto
it.
0.3.6 Thecontroller/pumpsetshouldbeleftswitchedONwiththepumps(wherefitted)switchedtoAUTOfor
normaloperation.
0.3.7 Thepumpset(whereappropriate)shouldnotbeleftin“Hand”operationformorethan1minute.This
couldleadtoseveredamageofpumpsetcomponentsand/orpipeworksystemfromover‐pressure
and/oroverheating.
0.3.8 Ensuresensorsandpumpset(whereappropriate)haveanadequatewatersupplyatalltimestoprevent
damageandwaterleakage.
0.3.9 Whereappropriatedonoattempttostartpumpswithoutliquidinvolutes(pumpsmustbefully
primed);mechanicalsealsmusthaveafilmofliquidbetweenfacesforproperoperationandtoprevent
damage.
0.3.10 Portabletelephonesorotherelectro‐magneticequipmentmustnotbeusednearthesettoavoid
corruptionofprogramandunpredictableoperationofunit.
0.4 CAUTIONSFORMAINTENANCE
0.4.1 READGENERALSAFETYINFORMATION0.0,WARNINGS0.1andCAUTIONS0.2,0.3&0.4
0.4.2 Theunitshouldonlybeoperated/maintainedbyacompetentperson;Acompetentpersonissomeone
whoistechnicallycompetentandfamiliarwithsafetypracticesandthehazardsinvolved.
0.4.3 WheretheequipmentisfittedwithBuildingManagementServices(BMS)interconnections,notifythe
appropriatepersonsbeforeswitchingOFFformaintenanceoradjustments,toavoidunnecessaryalarm
conditionsoccurring.WARNING:WithisolatorOFF,mainsvoltagemaystillbepresentfromBMSsystem.
ThisconstitutesanElectricshockhazard.
0.4.4 Whereappropriate;Topreventseizing,pumpsetsmustnotbeleftunusedforlongperiods(e.g.1week).
0.4.5 Whereappropriate;Thepumpsmustberunregularlytoavoidstagnationofwaterinthe
pumps/pipework(e.g.daily).

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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  7
0.4.6 Whereappropriate;Donotventairfromairvalvesonvessels.Theseareforadjustmentofpre‐set
cushionpressures.Ifwronglyadjustedthiswillleadtoincorrectoperationofthepumpsetandpossible
damagetopumps,pipeworkandsystemcomponentsfromoverheatingandover‐pressure.
0.4.7 SwitchOFFequipmentbeforeaccessingpumpsand/orcontrolpanel/sensorsetc.


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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  8
1. INSTALLATIONINSTRUCTIONS
1.1 GENERAL
TheseinstructionsareintendedfortheinstallerofthisLevel/TemperatureMonitoringorcontrolunit.Please
followthemcarefully.Failuretoinstalltheequipmentasrecommendedcouldinvalidatethewarrantyprovided
byAquaTech‐Pressmaintothebuyer.

1.2 ADDITIONALWARNINGSANDCAUTIONS
1.2.1 READGENERALSAFETYINFORMATION0.0,WARNINGS0.1andCAUTIONS0.2,0.3&0.4
1.2.2 Installationofthisequipmentassumespriorcorrectandsafeinstallationofthetank(s)andthatyou
areawareofallsafetypracticesandhazardsinvolvedwiththetank(s).
1.2.3 Wheninstallingsensorsifyouareunsureofanyaspectyoumustseektheadviceofthetank
manufacturerbeforecommencinganymodifications/alterationstothetankinordernotto
compromiseitsperformance.
1.2.4 Levelsensorsmustnotbesubjectedtomorethan1.5timestheratingofthesensor;otherwise
irreversibledamagemaybedone.
1.2.5 Temperaturesensorsmustremainsubmergedatalltimes.
1.2.6 Whenchlorinationofatankiscarriedout,ensurethatanyresidualchlorineisremovedbythorough
flushingasdetailedintheHSEapprovedcodeofpracticeL8,toavoiddamagingthesubmersible
sensors.Thenormallevelofchlorinationisupto2partspermillion(ppm),butshockdosingfor
sterilizationpurposes,at25‐50ppmfor24‐48hoursisacceptableaslongasallchlorineisremoved
oncetheprocessiscomplete.

1.3 PROCEDURE
1.3.1 SENSORS
Sensorsareavailableinstandardformforattachingexternallytothesideofthetank,orsubmersible
formforsuspendinginthetankcontents.
1.3.1.1 StandardSensors‐externallymounted
StandardLevelSensorformonitoringliquidlevel:
AstandardLevelSensorisfittedtothesideofthetankviaanisolatingvalveand1/4"BSPparallel
femaleconnectionandwiredtowallmountedconnectionbox,ordirecttothemonitoringunit,within
5m(seeFig1a.).
ThedepthofwaterdisplayedisthatmeasuredfromthelowestpointoftheLevelsensor.
Positionthesensorattheminimumliquidlevel.

StandardTemperatureSensor:
AstandardTemperatureSensorisfittedtothesideofthetankina1/2"BSPparallelfitting,or
optionallyintoasealedpocket(seeFig1a.)andwiredtowallmountedconnectionboxordirecttothe
monitoringunit,within5m(seeFig1a.).PositiontheTemperaturesensorsothatitissubmergedatall
times.
1.3.1.2 SubmersibleSensors
Submersiblesensorsaresuspendedintheliquidfromaconnectionboxontopofthetankasshownin
Fig1b.Theyarerestrainedbyaweightedguidewireorbyastillingtubetoavoidturbulencedamaging
thesensor.

Drillingthetanklidtotaketheflange(wheresupplied)seeFig2
Selectasuitableareaofthetank,awayfromturbulence,forthesensorstobefitted.
Cut80mmdiameterholetakingcaretopreventanyswarffallingintothetank.Equallyspacedabout
thishole,mark4holesasshowninFig2,drillandtapM5orfitclenchnutsifrequired.


TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  9
Stillingtubewhereused:Cutthestillingtubetotherequiredlength;gluestillingtubetolowerflange
ofconnectionboxormonitor.Ifadequateheightisavailabledothisbeforemountingtheflangeontop
oftank.Alternativelythiscouldbedonefrominsideanemptytank.

Sensor weight
Max. Distance 5.0 m
Fig 1a Tank with standard Level and Temperature sensors
Monitoring unit
Standard Level & Temperature
sensor
2" Stilling tube
containing
submerged level
and temperature
sensors
Fig 1b Tank with submersible Level and Temperature sensors
0.0 Mtr ref.
0.0 Mtr ref.
Wall mounted connection box

TankmaticSmartRelay
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Aquatech‐PressmainInstructionmanual\TankmaticsmartrelayMG‐LT  10 

Fig.2Drillingdetailforfixingaconnectionboxtotanklid.Entryglandtocontrolpanel.Sparegland

Fixthelowerflange(wheresupplied)tothetanklidusingclenchnutswithasealinggasketbetween
theflangeandlid,orglueflangetolid,orusesomeothersuitablemethod.
WeightedGuideWire(whereused):
Checkthesensorsarepositionedandsecuredtotheguideplate,andtheguideplatemovesfreelyon
theguidewire.
Placingthesensorsinthetank:
Ifrequired,steriliseallsubmersiblecomponents(noting1.2Cautions).
PasstheSubmersiblesensorcables,andguidewirewhereused,throughtheupperflangeglands(on
theconnectingbox)temporarilysecurethem,adjustingthelevelofthesensorsapproximatelytothe
requiredminimumliquidlevelofthetank.
TomonitortemperaturestratificationthetwoSubmersibleTemperatureSensorsareclampedat
differentlevels,oneaslowaspossible,theotherashighaspossiblewhilstremainingsubmergedatall
times.
TheSubmersibleLevelSensorcablecontainsasteelstrainwireandplasticventtubetomaintain
atmosphericpressureatthesensinghead;thereforetightbendsinthecablemustbeavoided.The
cablecanbecuttosuitthetankdepth.
LowertheconnectingboxandSubmersiblesensorsthroughthetanklid,andsealinplace.
Clamptheweightedguidewire,ifused,sothattheweightisrestingonthebottomofthetankandthe
wireistaut.Securetheendofthewirefrompassingbackthroughtheclampandremovesurpluswire.
TakeupanyslackintheSensorsandclampinpositionwiththeglandsprovided.
Drill and tap 4 off M4 fixing
holes or fit clench nuts to fix
connection box to tank
MINIMUM DISTANCE FROM
EDGE OF TANK TO CENTRE OF
25MM HOLE: 100MM
25mm dia hole to
pass submersible sensor
through.
Connection box must be positioned
over the hole to seal.
115mm
79mm
45mm
Pass submersible cable through this
gland into tank, and connect to
terminals as required
Fixing holes