洁净空调系统功能描述(英文版)

BJMC

BeijingAustarPharmaPackagingMaterial

DocumentNumberandRevision:

BJMC-02-01-AHU11-FS-1.0

FunctionalDescriptionforAHU11 Page

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FunctionalSpecificationforAHU11

ProjectName

ExtensionofFilmFacilityHuaiRou

ProjectNo.

BJMCFP201003

Plant/Building

HuaiRou/PCM2

Unit

HVAC

Equipment

AHU11

DocumentCode

BJMC_02_01_AHU11_FS_1.0

Revision

1.0

Name

SignatureReason

Function/Department

Date

Signature

MarkHu

Author

ProjectManager

Tableofcontents

TOC\o"1-5"\h\z

\o"CurrentDocument"

Base 3

\o"CurrentDocument"

Introduction 3

InterfacestootherSystems 3

Timeswitchingfunctions 3

Dependencies 3

Energymanagement 4

Emergencypowerassignments 4

Topologyofautomations, operatingsystem 4

\o"CurrentDocument"

Useraccess 4

Controlfunctions 5

Safetyfunctions 5

\o"CurrentDocument"

Temperature 5

Pressure 5

Humidity 6

\o"CurrentDocument"

Fire 6

Gas 7

\o"CurrentDocument"

Specialfunction 7

Standardfunctions 8

Start-up 8

Shut-down 8

ManualoperationofElectricpanel 9

ThedetailedfunctionspecificationwillbedescribedinFSPLCandelectriccontrolsystem.9

Specialfunctions 9

Regulating 9

Controlloops 9

Temperature 9

\o"CurrentDocument"

Pressure 10

\o"CurrentDocument"

Humidity 10

Specialfunctions 10

RevisionHistory

Reasonsforchangescomparedtopreviousversion

RevisionNo.

Date

Author

DescriptionofChanges

1.0

MarkHu

New

Base

ThisFunctionalDescriptionisbasedupontheUserRequirementSpecification(BJMC_MRS_HVAC_AHU11/12_URS_1.0)forHVACSystemsandP&IDdrawing(BJMC_02_01_AHU11_PID)initcurrentversionanddescribesallautomationfunctionsbelongingtothePLCforthisinstallation.FurthermoretheOQfunctionaltestsoftheinstallationwillbebaseduponthisdocument.

Introduction

Thisdescriptiondefinestherequiredmeasurement,controlandregulatingfunctionsoftheAirHandlingUnit,AHU11.

InterfacestootherSystems

Timeswitchingfunctions

ID

Description

FS3.1-1

TheventilationsystemAHU11istimedforcontinuousoperationandiscontrolledbyPLC.Thesystemcanbedisabledformaintenancepurposesbymeansofhandystoppingoncontrolpanel.

3.2.Dependencies

ID

Description

FS3.2-1

AstheCHWsystemsaretimedforcontinuousoperation,thetemperatureofCHWSis7℃,thetemperatureofCHWRis12°C

FS3.2-2

Freshairissupplieddirectlyfromoutdoor.Andanelectricpower-drivingdamperisinstalledinthefreshairduct;itshouldbeautomaticallyclosedwhentheAHUshutdown.

3.3.Energymanagement

ID

Description

FS3.3-1

Specialenergymanagementsystemisspecifiedduringtheconstructiondrawingbythedesigner.Thereturnairwillberoutedseparatelythroughthefirstreturnairsectionorthesecondreturnairsection.

3.4.Emergencypowerassignments

ID

Description

FS3.4-1

Thereisnospecialemergencypowersystem.

3.5.Topologyofautomations,operatingsystem

Useraccess

Everylogin,logoutandallchangesareloggedinalogfile;alldedicatedpeoplearementionedintheauthorizationlist.Allaccesswillbeautomaticallyreported,exceptthe“everybody”accessforinformationwithoutaction(resetting,parameterandsoftwarechanges).Thefollowinglevelsofuseraccesstothesystemwillbeprovided:

ID

Description

FS3.6-1

Administratorlevel:

FullaccesstotheconfigurationandparametersofthecontrollersbylaptopcomputerorPLCpanel:

OnlythededicatedmaintenancepeopleofAustarorofthemaintenancecontractor.Accessthroughdedicatedpassword.Theseusersareallowedtoaccessandchangeallparameters.

FS3.6-2

Userlevel:

FullaccesstotheconfigurationandparametersfromthelocalPLCpanel:

Accessthroughdedicatedpasswordallowedtoaccessandchangeparameters.

FS3.6-3

Everybodylevel:

AccesstoallofparametersdisplayedonthePLCpanelsforreviewonly.

4.

Controlfunctions

4.1.

Safetyfunctions

4.1.1.

Temperature

ID

Description

FS4.1.1-1

Nosafetytemperaturecontrolisrequiredforthissystem.Buttemperaturealarmfunctionisequipped.Thedetailedfunctiondescriptionseethedocument:BJMC_02_01_AHU11_ALM

Pressure

Supplyductpressure

ID

Description

FS4.1.2.1-1

Asafetypressurevalveswillbeinstalledinthesystem.

4.1.2.2.Differentialpressureofpre-filterG4

ID

Description

FS4.1.2.2

TheFilterDifferentialPressureGaugeofpre-filterG4shallbemonitoredaspartofroutinemaintenance.Ifthedifferentialpressureisabovethemarkedmaximumlimitmaintenanceactionwillbeneeded.Theventilationsystemremainsinoperation.Analarmsignalwillbesenttocontrolpanel,alightandsoundalertwillberaisedbyalamp.

4.1.2.3.Differentialpressureoffine-filterF7

ID

Description

FS4.1.2.3

TheFilterDifferentialPressureGaugeoffine-filterF7shallbemonitoredaspartofroutinemaintenance.Ifthedifferentialpressureisabovethemarkedmaximumlimitmaintenanceactionwillbeneeded.Theventilationsystemremainsinoperation.Analarmsignalwillbesenttocontrolpanel,alightandsoundalertwillberaisedbyalamp.

4.1.2.4.Differentialpressureoffinal-filterH13

ID

Description

FS4.1.2.4

ThereisnoDifferentialPressureGaugeforfinal-filterH13.Specialpressuredifferentialtestdeviceshouldbeequippedinthefilterhouse.Pressuredifferentialtestshallbemonitoredaspartofroutinemaintenance.

4.1.3.Humidity

ID

Description

FS4.1.3-1

Dehumidification

FreshAirisdehumidifiedbycoolerandelectricpowerheaterinsummer.

ID

Description

FS4.1.3-2

humidification

Airishumidifiedbyelectricpowerhumidifierinwinter.

ID

Description

FS4.1.3-3

Humidityalarmfunctionisequipped.Thedetailedfunctiondescriptionseesthedocument:BJMC_02_01_AHU11_ALM.

Fire

ID

Description

FS4.1.4-1

Afiredamperwillbeinstalledinthemainreturnairduct.Thefiredamperswillbeclosedindependentlyiftheanytemperatureisabove70℃.Theclosingtimeofthe“normallyopen”firedampersshouldbe30sec.

Thedamperishardwirelinkedtothecontrolsystem.Ifthefiredamperisclosed,controlsystemwillgiveafiresignaltoPLCsystem,asoftwarealarmmessagewillbesetup.Wholeventilationsystemwillbedisabledasdescribed.

TheventilationsystemwillremaindisableduntilthededicatedfiredamperhasbeenrearmedandtheresetpushbuttononthePLCpanelhasbeenreset.Afterresetting,theinstallationre-startsasdescribedin4.2.1.

FS4.1.4-2

Thefiredamperisallthetimeinopenposition.Otherwisethededicatedinstallationcannotstart(openpositiondetected).

4.1.5.Gas

ID

Description

FS4.1.5-1

Nosafetygascontrolsarerequiredforthissystem.

Specialfunction

Frequencyconverterforsupplyfan(withintegratedoverheatingsensor)

ID

Description

FS4.1.6.1-1

ThefanmotorM101,isprotectedbyfrequencyconvertersVSD101.

Thereisaselectionswitchonthecontrolpanel,thethreefunctionsshouldbeachievedaslistedbelow

TheVSDwillbeautomaticallycontrolledbytheV-sensorinstalledinmainsupplyairduct.

TheVSDcanbecontrolledbyhandyfrequencyadjustment.

ThefanmotorcanbeinoperationbyhandwhentheVSDisdisabled.

4.1.6.2.Frequencyconverterforreturnfan(withintegratedoverheatingsensor)

ID

Description

ID

Description

FS4.1.6.2-1

ThefanmotorM201isprotectedbyfrequencyconvertersVSD201.

Thereisaselectionswitchonthecontrolpanel,thetwofunctionsshouldbeachievedaslistedbelow

TheVSDcanbecontrolledbyhandyfrequencyadjustment.

ThefanmotorcanbeinoperationbyhandwhentheVSDisdisabled.

4.1.6.3.PowerFailure

ID

Description

FS4.1.6.4-1

Anypowerfailurewilldisablethewholeventilationsystem.

4.1.6.4.BuildingShutDown

ID

Description

FS4.1.6.5-1

Nobuildingshutdownisrequiredforthissystem.

4.2.Standardfunctions

Start-up

Supply,returnandexhaustfans

ID

Description

FS4.2.1.1-1

TheAHUstart-upmanually.Andallsystemairdampersarecontrolledbyhand.

FS4.2.1.1-2

Theexhaustfanstart-upmanually.Anditonlycansstart-upatrest.ThesupplyfanshouldbestartedfirstlywhentheAHUsystemstart.

4.2.2.Shut-down

ID

Description

FS4.2.2-1

TheAHUshut-downmanually.

FS4.2.2-2

Theexhaustfanshut-downmanually.Thesupplyfanshouldbeinter-lockedwithexhaustfan,thesupplyfanshouldautomaticallystopwhentheexhaustfanunexpectedstopping,theexhaustfanshouldautomaticallystopwhenthesupplyfanunexpectedstopping

4.2.3.ManualoperationofElectricpanel

Switch

Location

Function

Description

ThedetailedfunctionspecificationwillbedescribedinFSPLCandelectriccontrolsystem.

Specialfunctions

ID

Description

FS4.2.5-1

Nospecialfunctionsrequired.

5. Regulating

Controlloops

Temperature

Roomtemperature

ID

Description

FS5.1.1.1-1

Temperatureandrelativehumidityinroomwillbemonitoringseparatelybylocationgauge.Thedatawillberecordedmanually

5.1.1.2.Returntemperature

ID

Description

FS5.1.1.2-1

ThereturntemperatureTT201ismeasuredinthecommonreturnduct.

Thisreadingaveragesthereturnairtemperaturefromalloftheconnectedrooms.Thissignalcontrolsthesetpointofthesupplytemperatureloop.

5.1.1.3.Supplytemperature

ID

Description

FS5.1.1.3-1

ThesupplytemperatureTT101is