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DesiCool

3.3 Basic sensors layout

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5

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3

7

8

M

M

DH

TH

3

4

5

Figure 3.2 DesiCool basic sensors layout example

1. Differential pressure switch on filter PSW1

6. Differential pressure switch on filter PSW2

2. Input temperature and RH sensor THS1

7. Reactivation temperature sensor TS11

3. Flow control differential pressure sensor DP4

8. Antifreeze thermostat TS9

4. Antifreeze thermostat TS10

9. Flow control differential pressure sensor DP3

5. Supply temperature sensor TS2

DH. Dehumidification rotor

TH. Thermal recovery rotor

TEN-DSC-D1401

System design and function

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Summary of Contents for DesiCool

Page 1: ...Original instructions Operatingmanual DesiCool AirTreatmentSystem TEN DSC D1401 MuntersEuropeAB2014 ...

Page 2: ... 2 Thermalrecovery rotor 15 4 2 1 Function 15 4 2 2 Rotor 15 4 2 3 Rotor seals drive belt and drive motor 15 4 3 Watercoils 16 4 3 1 Cooling coils 16 4 3 2 Heating coils 16 4 3 3 Frostprotection 16 4 3 4 Droplet separator 16 4 3 5 Cleaning 17 4 3 6 Stopping water flow to the coils 17 4 4 Evaporative coolers humidifiers 18 4 5 Fans 20 4 5 1 Fantypes 20 4 5 2 Maintenance 20 4 6 Filters 20 4 6 1 Filt...

Page 3: ...ins information which is protected by copyright laws It is not allowed to reproduceor transmit any partof this manual without written consent fromMunters Pleasesendanycommentsregardingthismanualto MuntersEuropeAB TechnicalDocumentation P O Box 1150 SE 16426KISTASweden e mail t doc munters se 1 3 Warnings Informationaboutdangersareinthismanualindicatedbythecommonhazardsymbol W W WARNING ARNING ARNI...

Page 4: ...scontactMuntersforserviceorrepair Operatingfaultscanoccuriftheunitismaintained insufficientlyorincorrectly 1 5 Inspectionofdelivery Uponreceipt inspecttheequipmentbeforesigningthedeliverynote Specifyanydamageonthedelivery noteandsendaregisteredletterofcomplainttothelastcompanyresponsiblefortransportingthe equipmentwithinthreedays InformMuntersofthiscomplaint Theunitmustbefullyinspectedwithinonewee...

Page 5: ...theseparateDatasheetmustbeobservedabsolutely Anyotheruse oftheequipmentcancausepersonalinjuryanddamagetotheunitandotherproperty 2 2 Safeinstallation operationandmaintenance Greatefforthasbeenplacedonthedesignandmanufactureoftheunit tocomplywithapplicablesafety aspectsforthistypeofequipment Theinformationinthismanualincludessuggestionsforbestworkingpracticeandshallinnowaytake precedenceoverindividu...

Page 6: ...h voltage which can cause serious injury ordeath W W WARNING ARNING ARNING Beforedoing any service ormaintenance work onthe unit make sure that all electrical equipment is disconnected fromthe power supply and secured against reconnection W W WARNING ARNING ARNING Theunit must never beconnected to a voltage orfrequency other than that forwhich it was designed Refer to the unit identification plate...

Page 7: ...thout warning W W WARNING ARNING ARNING Theunit sections areheavy Use only approved lifting equipment adapted to theweight of the sections to avoid accidents W W WARNING ARNING ARNING Make sure that all pipe couplings areproperlytightened before the medium supply forcooling orheating coils is turned on W W WARNING ARNING ARNING Cleaning agents cooling media oil and grease aresubstances that are da...

Page 8: ...theunit Anydamage to the unit resulting fromincorrect adjustment of theairflows can invalidate thewarranty of theunit Theunit must not be runformorethan a few minutes before setting upthecorrect airflows CA CA CAUTION UTION UTION Service and maintenance work should only becarried out by qualified and trained personnel Operating faults can occur if the unit is maintained insufficiently orincorrectl...

Page 9: ...heavy Donothandlealone Sharpsteeledgesonboxesorcoilscancausecuts Useprotectivegloves particularlyduringdisassembly orassembly Whenworkingwithornearfans beawarethatremainingairflowthroughtheunitcancausespontaneous rotationofthefansandtherebycausingpersonalinjury Doorsforoverpressurecompartmentscanbeequippedwithadditionalsafetylocksagainstaccidental opening Ensurethatsuchlocksareclosedbeforestarting...

Page 10: ... Figure2 4Hotairflowor surface Figure2 5Unitstarts automatically Figure2 6Pinchhazard 2 5 Emergencystop Theunitcaninanemergencybestoppedusingthemainpowerswitch CA CA CAUTION UTION UTION Only use the main power switch to stop the unit in the case of anemergency Thenormal shutdown sequence will not befollowed Thefans stop and the heater can bevery hot which can result in damage to the heater and oth...

Page 11: ...ir while atthesametimecontrollingtheroomhumiditynottobelowerthanaminimumsetvalue 3 2 Systemdesign 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Figure3 1DesiCoolsystemdesignexample 1 Supplydamper 6 Thermalrecoveryrotor 11 Bypassdamper 2 Supplyfilter 7 Heatingandcoolingcoils 12 Reactivationheater 3 Desiccantrotor 8 Evaporativecooler 13 Exhaustfan 4 Bypassdamper 9 Exhaustfilter 14 Exhaustdamper 5 Processfan 10 E...

Page 12: ...ly Thereisaheaterintheexhaustairstreamforreactivationofthedesiccantrotor Seethemoredetailed descriptioninsection4 1 Desiccantrotor Inwintertimetheunitproduceswarmair Thethermalrecoveryrotorstartstorotateandrecoversheat fromtheexhaustairstream Ifmoreheatrecoveryisrequiredthedesiccantrotoralsostartstorotateand recoversbothheatandmoisture Atextremeambientwinterconditionsthehotwatercoilinthesupplyis a...

Page 13: ...entialpressureswitchonfilterPSW2 2 InputtemperatureandRHsensorTHS1 7 ReactivationtemperaturesensorTS11 3 FlowcontroldifferentialpressuresensorDP4 8 AntifreezethermostatTS9 4 AntifreezethermostatTS10 9 FlowcontroldifferentialpressuresensorDP3 5 SupplytemperaturesensorTS2 DH Dehumidificationrotor TH Thermalrecoveryrotor TEN DSC D1401 Systemdesignandfunction 11 ...

Page 14: ...oactivateapumpfromthecontrol system Coolingcoil Thecoiluseschilledwater possiblymixedwithglycol Thecoilmustbeconnectedtoan externalmediumsupply Thecontrolsystemregulatesanactuatortomaintaindewpointandorcooling setpoint Itispossibletoactivateapumpand orachillerfromthecontrolsystem Filtersforvariousairqualityspecifications Filterscanbeequippedwithpressuredropsensorstoenable blockedfilter alarm optio...

Page 15: ...yeffectiveinattractingandretainingwater vapour Therotorisdividedintwozones Theairflowtobedehumidified processair passesthroughthe largestzoneoftherotorandthenleavestherotorasdryair Sincetherotorrotatesslowly theincomingair alwaysmeetsadryzoneontherotor thuscreatingacontinuousdehumidificationprocess Theairflowthatisusedtodrytherotor reactivationair isheated Thereactivationairpassesthrough therotori...

Page 16: ...tively capacitymonitoringwillindicatewhenrotor replacementisnecessary 4 1 3 Rotorseals drivebeltanddrivemotor Therotordrivemotor drivebeltandsealsshouldbereplacedifnecessary oratthemaximumintervals accordingtothemaintenanceschedule Belttensioncanbeadjustedbyshorteningthebelt Rotorsealsmustbecheckedandadjustedonceperyear 14 Maincomponentsdescription TEN DSC D1401 ...

Page 17: ...tactsurfacetotransfertheheat Therotorisdrivenbyanelectricmotorandadrivebeltaroundthecircumferenceoftherotor 4 2 2 Rotor Therotorsurfacemustbeinspectedregularly Iftherotorisdirtyitcanbecleanedwithavacuumcleaner orwithlowpressurecompressedairifnecessary 4 2 3 Rotorseals drivebeltanddrivemotor Thedrivebeltmustbecheckedafterthefirst100hoursofoperation Therotordrivemotor drivebeltandsealsshouldbereplac...

Page 18: ...eatingmedium Thecoilmustbeconnectedtoanexternalheating mediumsupply CA CA CAUTION UTION UTION Hot and cold water supply lines must only bedesigned and executed by qualified personnel taking into account the respective relevant local regulations When there is a riskof frost the water coils must befrost protected Seesection 4 3 3 Frostprotection 4 3 3 Frostprotection Ifthewaterinacoilfreezesthiscoul...

Page 19: ...oolingcoils cleanthedriptrayandsiphonforthecondensationwateronce peryear Notethatsiphonsneedtoberefilledwithwaterafterthewinterseason 4 3 6 Stoppingwaterflowtothecoils Precautionstotakeincaseoffrostrisk whereitisenvisagedtostoporconsiderablyreducetheflowofhotwater allthefreshairintakesmust beclosedandtheventilationstopped thereferencepointoftheantifreezethermostatmustnotbesettoolow ifforwhateverre...

Page 20: ...acktothetank Inthecaseofarecirculatedsystem theremustbeableed offandan automaticdrainageinordertoavoidcontaminationofthewater Theenergythatisneededfortheevaporationistakenfromtheairitself Theairthatleavesthehumidifieris thereforehumidifiedandcooledsimultaneouslywithoutanyexternalenergysupplyfortheevaporation Thisisinessencetheadiabaticcoolingprocess Itisveryefficientandtheconsumptionofenergyisvery...

Page 21: ...treakscanbefoundonthe inletside 7 Checkthatthehosesandcouplingsdonotleak 8 Checkthedischargepipeandwatertrap Cleanifnecessary NOTE Formoreinformation onservicing of evaporative coolers humidifiers see the separate MuntersFA6 manual TEN DSC D1401 Maincomponentsdescription 19 ...

Page 22: ...rtinguptheunit ensurethattherearenolooseobjectsinsidetheunit 2 Cleantheinsideoftheunitusingavacuumcleaner 3 Ifthefanimpellerscomeintocontactwithcontaminatedairordust itisimperativethattheyarecleaned regularlytoavoidvibrationscausedbyunbalance 4 Donotuseanyaggressivecleaningagents cleanfanhousingwithwarmwaterifrequired 5 Neveruseahighpressurecleanerorwatersprayforcleaning 4 6 Filters 4 6 1 Filterty...

Page 23: ...importancefor thecorrectoperationoftheinstallation Incorrectairflowwillreducethecapacityandtheenergyefficiency oftheunit Replacethefilterswhen Finalpressuredropisreached Thereisafilteralarm Thefilterisdamagedandairispassingwithoutfiltration Paperframefiltershavebecomewet 4 6 3 Panelfilters Checkthedegreeofdirtaccumulationbymeasuringthedifferentialpressureorbyinspectingthefilters visually Replaceas...

Page 24: ...ersshould always becovered by ducts Anyunducted airdampersshould be fitted with a protective grille notincluded in Muntersdelivery to prevent injury fromthe damperblade movement Dampermaintenance Cleanandchecktheoperationofthedampers thegearingandbearings Thebladescanbecleanedwithwaterorcompressedair Checkthepositioninrespectoftheindications OPEN and CLOSED Ifthedampersdonotmovefreely lubricatethe...

Page 25: ...rmally120mm fullyextended200mm Theflexibleconnectionsarerelativelyfragileandcutsmustbeavoided Theflexibleconnectionsarefixedduringtransport W W WARNING ARNING ARNING Asthe pressureinside can behigh the flexible connections must not bedismounted during operation CA CA CAUTION UTION UTION Theflexible connections can never beused as duct support TEN DSC D1401 Maincomponentsdescription 23 ...

Page 26: ...rectionofrotationofthefansandcompressors Correctdirectioncanbecheckedonafan wheelwithanarrow orbymonitoringthechangeinhighandlowpressurewhenacompressorstarts CA CA CAUTION UTION UTION Rotation direction is checked in the factory meaning that if one motor is rotating in the wrong direction all motors areactually rotating in the wrong direction Phases must then beinverted onthe mainterminal block It...

Page 27: ...othe figuresonthemotoridentificationplate NOTE Thepower of the motors in ourunits is calculated with a predetermined safety coefficient Comparethe theoretical intensity with the intensity absorbed by the motorof the unit while it is operating b Thesystem sexternalstaticpressuremustcomplywiththeorderspecifications Non conformancewill leadtovariationsintheairflow Theflowratevariesaccordingtotherotat...

Page 28: ...d high machine temperatures W W WARNING ARNING ARNING Do not open distribution boxes orother electrical connection boxes The unitis connected to high voltage which can cause serious injury ordeath W W WARNING ARNING ARNING Beforedoing any service ormaintenance work onthe unit make sure that all electrical equipment is disconnected fromthe power supply and secured against reconnection W W WARNING A...

Page 29: ...itched off Fans and other moving parts can startautomatically and without warning W W WARNING ARNING ARNING Cleaning agents cooling media oil and grease aresubstances that are dangerous to personal health and to the environment They must not beallowed to drain away into the soil orthepublic sewer system Thedisposal of such substances must beeffected in accordance with local and national law and re...

Page 30: ...necessarychangeoffilter Generalfunctioncheck B InadditiontoA safetycheckandcapacity temperatureandhumidityregulationmeasurements C InadditiontoB preventivereplacementofsomecomponentsafter3yearsofoperation D InadditiontoC preventivereplacementofsomecomponentsafter6yearsofoperation NOTE Always contact Muntersforservice orrepair Operating faults can occur if the unit is maintained insufficiently orin...

Page 31: ...X Replacement of drive belt and belt fastener X Replacement of rotordrive motor Inspection of fans impellers motors bearings Examining electrical and control systems function check X X X X Calibration of moisture control equipment sensors and valves X X X X Calibration of temperature control equipment and sensors X X X X Replacement of rotorseals if necessary Specific maintenance on gas burner uni...

Page 32: ...necessary X Inspection of heating cooling coils X Replacement of drive belt and belt fastener X Replacement of rotordrive motor X Inspection of fans impellers motors bearings X Examining electrical and control systems function check X X X Calibration of moisture control equipment sensors and valves X X X Calibration of temperature control equipment and sensors X X X Replacement of rotorseals if ne...

Page 33: ...sbeenexposedtochemicalsthataredangeroustotheenvironmenttheriskmustbeassessed Thechemicalscanaccumulateintherotormaterial Takethenecessaryprecautionstocomplywith applicablelegalrequirementsandregulations W W WARNING ARNING ARNING If the rotoris to becut in pieces wear a suitable CEmarked face mask selected and fitted in accordance with the applicable safety standards to protect fromthe dust TEN DSC...

Page 34: ...DesiCool 8 Supplements Additionalinformationisavailableinsupplementsasapplicable Productspecificationdatasheet Controlsystem Installation Humidification 32 Supplements TEN DSC D1401 ...

Page 35: ...atment ul Swietojanska 55 11 81 391 Gdynia Tel 48 58 305 35 17 dh munters pl www munters com pl SPAIN Munters Spain SA AirTreatment EuropaEpresarial Edificio Londres C Playa de Liencres 2 28230 Las Matas Madrid Tel 34 91 640 09 02 marketing munters es www munters es SWEDEN Munters Europe AB AirTreatment P O Box 1150 S 164 26 Kista Tel 46 8626 63 00 avfuktning munters se www munters se SWITZERLAND ...

Page 36: ...www munters com ...

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