Siemens RAJA+ 3TE7421 Leitfaden

RAJA+

Fully Automatic Star

Delta Starter 3TE7421

For dependable service, it is of utmost

importance that instructions given below are

followed for selection, inspection, installation,

commissioning, operation and maintenance.

Installation, Operation & Maintenance

Instructions

RAJA+Fully Automatic Star Delta Starter

Selection of Starter

• ReferTable1forrecommendedselectionof3TE7FASD

starters.

• FASDStartersareavailablein3framesizes–FASD1:upto

30HP,FASD2:40HP&50HPandFASD3:75HPsubmersible

pumpratings.

1. ‘ON’pushbutton(green)

2. ‘OFF/RESET’pushbutton(red)

3. Doorknob

4. MetalEnclosure

5. Door

6. MechanicalLatch(OFFpushbutton)tobeusedforpreventing

undesiredONoperationofStarter

7. Nameplate

8. LED(amber)toindicatehealthinessofincomingpowersupply

9. GreenLEDtoindicateMotorONstatus

10. Rockerswitch(ControlON/OFF)

11. DualVAmeter(Forindication)

12. PhaseSelectorswitch

13. Earthingscrew

14. StarterMountingbracket

Fig. 1: FASD Starter

Fig. 2: FASD Starter inside view

Pleasereadandunderstandtheseinstructionsbefore

installing,operatingormaintainingtheequipment.Keepfor

futurereference.

Danger

Hazardousvoltagecancausedeathorseriousinjury.Disconnect

powerbeforeworkingonequipment.

Warning

Automatic Motor Restart

LMRAhas“Auto”modeselection.Usethisfunctionwith

caution,Motorwillrestartautomaticallywhenhealthy

powerisrestoredback.

Reliablefunctioningoftheequipmentisonlyensuredwith

certiedcomponents.Commissioningandmaintenanceby

qualiedpersonnelonly.

NOTICE

ThisproducthasbeendesignedforenvironmentA.Useofthisproduct

inenvironmentBmaycauseunwantedelectromagneticdisturbancesin

whichcasetheusermayrequiretotakeadequatemitigationmeasures.

Complies to standard : IS/IEC 60947-4-1

Installation:

• Openthedoorbyrotatingthedoorlocksanticlockwise.

• Mountthestarteronaverticalwall/platefreefrom

vibrationswithpropernutsandbolts.ReferFig.10for

mountingdimensions.

• Removetherubbergrommetsfortheincomingand

outgoingcableconnections.(ReferFig.2).

• Connectincomingandoutgoingcablesasfollows

(ReferFig.2):

- Usepropercableglandstoensuredustproong.For

conduitentryusepackedwashers.

- SelectcorrectsizeofcablesfromTable1.

- Connectlineandmotorcablesexactlyasperwiring

diagrampastedinsidethecoverofthestarter.

- Terminatetheincomingsupplycablesonterminal

blockTB1&outgoingcablestomotoronterminal

blockTB2,TB3(Tighteningtorque-Refertable2).

- ThisisNotapplicableforFASD3,sinceallconnections

areterminatedonincoming&outgoinglinks.

NOTE:LMRAissetinManualmode(Factorysetting)

- Connecttheearthingconductortoterminalsmarked

(earth)onthestarterbodywithtorque1.2to1.6Nm.

 TheStarterisnowreadyforcommissioning.

• Initiallysettheoverloadrelayto0.58timestherated

motorcurrent.

• Setthetimerdialtothenearestvalueofstartingtime

availableonmotornameplate.Ifitisnotavailable,then

setthedialtoapproximately6-8secs.

• Closethedoorbyrotatingthedoorlocksclockwise.

Commissioning :

Forexactsettingoftimerandoverloadrelay,followthe

instructiongivenbelow:

Before switching ON recheck all external connections.

• Star-DeltaTimersettingforFASD:

- FirstSwitchONtheRockerswitch(ControlOn/Off).

- Startthemotorbypressingthe‘ON’buttonshownin

Fig.1.

- Measurethetimetakenbythemotortonearly

reachratedspeedorsteadystatecurrentcondition

(indicatedwhenthemotorreachesasteadyhum).

- StopthemotorbyOFFbuttonshowning1.

- Openthedoor&Setthetimertothismeasuredvalue

byrotatingthedialshowninFig.3.

• Overloadrelaysetting:

- Forcloserprotectionsettheoverloadrelaytoactual

phasecurrentasmeasuredbyanammeter.Inthe

absenceofanammeter,usetheproceduregiven

below:

- Startthemotorandletitrunfor30mins.Then

graduallyreducetherelaysettingstillittrips.Setthe

relayataslightlyhighervaluethanthissetting.

 Overloadrelaycharacteristics(Referservicemanual

A5E50797230A)canbeusedtoestimatetheaverage

trippingtimeatdifferentmultiplesofsetcurrent.

- Allowaresettimeofapprox.4min.beforepressing

theblueknobontherelaytoresetit.

- Restartthemotoraftersometime.Iftherelaydoes

nottripthenconsiderittobeproperlyset.Ifthe

relaytrips,setatalittlehighervaluethanbeforeand

recheck.

• Closethefrontdoor.

Caution

• During commissioning or maintenance always ensure

that the main supply is disconnected by switching off

the main switch & Rocker switch.

• In the case of FASD starters under no circumstances

should the relay be set higher than the phase

current i.e. 0.58 times the rated current on the motor

nameplate.

• Iftherelaytripsevenwhensetatratedmotorcurrentthe

suitabilityofthestarter/relayfortheparticularapplication

shouldbecheckedwiththenearestSiemensofce.

Operation:

• Ensurethedoorislocked.

• RotatetheMechanicalLatchawayfromOFFpushbutton.

• SwitchOntherockerswitch.

• CheckthestatusofamberLED.WaittillamberLEDis

continuouslyONthenonlyproceed.

• DependinguponSelectorswitchknobpositionforphase

selection,Indicationofincomingpowersupplyvoltage

canbeseenonDualVAmeter.

• Forstartingthemotor,pressGreenpushbuttonmarked

‘I’(Fig.1).

• LinecurrentofRphaseisindicatedbyDualVAmeter.

• MotorisONwhengreenLEDisON.

• ForstoppingthemotorpressRedpushbuttonmarked‘O’

(Fig.1).

• ForLMRAAuto/Bypassmodesrefertroubleshooting

guideA5E50797230A.

ResetOperation

– Iftheoverloadrelaytrips,Resetmanually.(Allowa

resettimeofapprox.4min.)

Fig. 3: Timer Adjustment

Dial

Maintenance:

• SwitchoffthestarterandPutLatchontheOFFpush

button,(marked‘O’).Disconnect the main supply by

switching the main switch & Rocker Switch Off before

doing any maintenance.

• Keeptheinteriordustfree.

• Re-tightentheterminalscrewsfromtimetotimeasper

speciedtorqueintable2.

• Nomaintenanceisneededforoverloadrelay.Pleasedo

notopentherelay.

• Replacecontactsofthecontactoriftheywereseverely

pittedorwhenonly40%oftheoriginalcontacttips

remains.

• ReplacementofContactorOrIndividualmounted

OverloadRelay(ReferFig.4):

1. Slightlyloosentheoutgoingterminalscrewsofthe

relay.

2. Disconnectthewiresconnectedtotherelay

terminals.

3. Slightlyloosentheoutgoingterminalscrewsof

thelinecontactor(Forcontactormountedrelay)/

adaptorplate(Forindividualmountedrelay).

Fig. 4: Contactor -Relay Connection Replacement of coil

Fig. 5: Adaptor plate for Individual mounting of Bi-relays

3US50/52/55/56:3US9150/3US9152/3US9155/3US9156

3US50 3US9150

3US52 3US9152

3US55 3US9155

3US56’ 3US9156

3US58 3US9158

Fig. 6: Adaptor plate for Individual mounting of Bi-relays

3US58:3US9158

Note:No.2(3Nos.)andNo.4(2Nos.)suppliedlooseinaplasticbag

Contactor

outgoingterminals Hookonrelayfor

engagement

4. FollowinstructionsgiveninFig.4(Forcontactor

mountedrelay)/Fig.5,6(Forindividualmounted

relay)forremovalofrelay.

5. Selectaproperrelayexactlyaspertheoriginal.

6. Connecttherelayterminals(L1,L2,L3)to(T1,T2,

T3)ofQ1linecontactor(Forcontactormounted

relay)/adaptor(Forindividualmountedrelay).

7. ConnecttherelayterminalstoTerminalblockTB2.

 Care should be taken to x the relay terminals &

relay to contactor / adaptor in the exact position

shown in Fig. 4, 5, 6.

8. Ensurethatrelayhookisengagedinthesloton

contactororadaptor.

9. Tightenthecontactor/adaptorterminalscrews.

10.Re-connectthedisconnectedwiresandcheck

connectionsbyreferringtothewiringdiagram.

FormoreTechnicaldetailslikeLMR-Awiring,operating

sequence,mountingdetailsetc.,referInstallation&

Troubleshootingguideno.A5E50797230A.

3US58

3US9158

Fig. 7: Wiring Diagram FASD1

Fig. 8: Wiring Diagram FASD2

L1, L2, L3: 3φsupply

Q1: Line Contactor

Q2: Star Contactor

Q3: Delta Contactor

K1: Bimetal relay

K2: Star Delta Timer

K3: Line Monitoring relay

VSS: Voltmeter selector switch

RS: Rocker switch

AV: Ammeter Voltmeter

AM: Amber LED

GN: Green LED

S1: ON push button

S0: OFF/Reset push button

TB1: Incoming terminal block

TB2/TB3: outgoing terminal block

TB4: LMR terminal connector

L1, L2, L3: 3φsupply

Q1: Line Contactor

Q2: Star Contactor

Q3: Delta Contactor

K1: Bimetal relay

K2: Star Delta Timer

K3: Line Monitoring relay

VSS: Voltmeter selector switch

RS: Rocker switch

AV: Ammeter Voltmeter

AM: Amber LED

GN: Green LED

S1: ON push button

S0: OFF/Reset push button

TB1: Incoming terminal block

TB2/TB3: outgoing terminal block

TB4: LMR terminal connector

Fig. 9: Wiring Diagram FASD3

L1, L2, L3: 3φsupply

Q1: Line Contactor

Q2: Star Contactor

Q3: Delta Contactor

K1: Bimetal relay

K2: Star Delta Timer

K3: Line Monitoring relay

VSS: Voltmeter selector switch

RS: Rocker switch

AV: Ammeter Voltmeter

AM: Amber LED

GN: Green LED

S1: ON push button

S0: OFF/Reset push button

TB4: LMR Terminal connector

CT: Current transformer

Selection of contactor coil and LMRA

Code Contactor coil voltage code Coil voltage (VAC) Line Monitoring Relay Timer

## Z6 200–400 7UG0613-0FE20 3RP1576-1NP208K

## Z8 260–460 7UG0613-0FF20 3RP1576-1NM208K

$$ R0 332–457 7UG0613-0FH20 3RP1576-1NM208K

$$ Q0 304–418 7UG0613-0FG20 3RP1576-1NP208K

Table 1:

Motor Rating At 415V

3ph 50Hz HP/kW Type Starter MLFB

Line/Delta

Contactor

MLFB

Star Contactor

MLFB

Thermal Relay

IL/Iph AC-3 [A HRC Fuse

rating

(A)

Cu cable size (mm2)

Overload Relay range (A)

Motor Submersible

Pump MLFB Motor Submersible

Pump

Incoming

from supply

Outgoing

to Motor

10/7.5 –

FASD1

3TE7421-1JC21-1A## 3TS3110-0A##-08K 3TS3010-0A##-08K 3UW5102-1J 6.3–10 15.4/8.9 –

25 2.5 1.5

– 10/7.5 3TE7421–1KC21-1A## 3TS3210-0A##-08K 3TS3010-0A##-08K 3UW5102-1K 8–12.5 – 19.5/11.2

15/11 – 3TE7421-2AC24-1A## 3TS3300-0A##-08K 3TS3110-0A##-08K 3UW5202-2A 10–16 23/13.3 – 32 4 2.5

17.5/13 15/11 3TE7421-2BC24-1A## 3TS3300-0A##-08K 3TS3110-0A##-08K 3UW5202-2B 12.5–20 26/15 29/16.7 32 62.5

20/15 – 3TE7421-2BC26-1A## 3TS3300-0A##-08K 3TS3110-0A##-08K 3UW5202-2B 12.5–20 32/18.5 – 40 62.5

25/18.5 – 3TE7421-2CC27-1AZ8 3TS3500-0AZ8-08K 3TS3210-0AZ8-08K 3US5600-2C8K 16–25 36/20.8 –

10 4

30/22 20/15 3TE7421-2DC26-1AZ8 3TS3500-0AZ8-08K 3TS3300-0AZ8-08K 3US5600-2D8K 20–32 45/26 39/22.5 10 6

40/30 30/22 3TE7421-2RC28-1AZ8 3TS3500-0AZ8-08K 3TS3400-0AZ8-08K 3US5600-2R8K 32–40 59/34.1 57/32.9 80 16 10

50/37 –

FASD2

3TE7421-8MC33-1A$$ 3TS4722-0A$$-08K 3TS3500-0A$$-08K 3US5600-8M8K 36–45 71/41 –

160 25 10– 40/30 3TE7421-2TC31-1A$$ 3TS4722-0A$$-08K 3TS3500-0A$$-08K 3US5800-2T8K 40–57 – 76/43.9

– 50/37 3TE7421-2TC33-1A$$ 3TS4722-0A$$-08K 3TS3600-0A$$-08K 3US5800-2T8K 40–57 – 85/49.1

75/55 –

FASD3

3TE7421-2PC35-1A$$ 3TS4822-0A$$-08K 3TS4722-0A$$-08K 3US5800-2P8K 50–63 104.4/60.3 – 160 35 16

– 75/55 3TE7421-5CC35-1A$$ 3TS5122-0A$$-08K 3TS4822-0A$$-08K 3US5800-5C8K 85–105 – 158/91.2 200 70 35

*RecommendedMax.Back-upHRCFuserating,SIEMENSMaketype3NA7–500V

Table 2: Terminal torque values

Sr.

No. Type Size Torque

(Nm)

1Terminalblock30A M4 0.8–1.4

2 Terminalblock60A M5 1.5–2.1

3 Terminalblock100A M6 2.5–3.0

4 DualVAMeter200A–Current

terminals

M4 1.2

5 DualVAMeter30A–Current

terminals

M4 1.2

6DualVAMeter60A–Current

terminals

M6 2.5

7 DualVAMeter100A–Current

terminals

M8 5.0

8CT200/5A M3.5 0.9

9PowerLink M6 4–6

10 SelectorSwitch3LD4 M3 0.5

11 Multiwaystrips M3 0.4–0.6

12 Indicatinglight–Amber/Green M3 0.8–0.9

NOTE:ContactsalesforON&OFFPushButton,Terminalblock30A/60A/100A,DualVAmeter,Doorknob,Rockerswitch,

Currenttransformer(200/5A).

FormoreTechnicaldetailslikeLMR-Awiring,operatingsequence,mountingdetailsetc.,

referInstallation&Troubleshootingguideno.A5E50797230A.

Sr.

No. Description Order No.

21 Contactor 3TS3210-0AZ6-08K

22 ThermalOverloadRelay 3UW5102-1J

23 ThermalOverloadRelay 3UW5102-1K

24 ThermalOverloadRelay 3UW5202-2A

25 ThermalOverloadRelay 3UW5202-2B

26 ThermalOverloadRelay 3US5600-2C8K

27 ThermalOverloadRelay 3US5600-2D8K

28 ThermalOverloadRelay 3US5600-2R8K

29 ThermalOverloadRelay 3US5600-8M8K

30 ThermalOverloadRelay 3US5800-2T8K

31 ThermalOverloadRelay 3US5800-2P8K

32 ThermalOverloadRelay 3US5800-5C8K

33 Coilfor415V(3TS35/36) 3TY7443-0AR0

34 Coilfor380V(3TS35/36) 3TY7443-0AQ0

35 Coilfor200-400V 3TY7403-0AZ6

36 Coilfor260-460V(Z8) 3TY7403-0AW415

37 Coilfor415V(3TS47/48) 3TY7463-0AR0

38 Coilfor380V(3TS47/48) 3TY7463-0AQ0

39 Coilfor415V(3TS51) 3TY7503-0AR0

40 Coilfor380V(3TS51) 3TY7503-0AQ0

41 1NOContactBlock 3SB5420-0B

42 1NCContactBlock 3SB5420-0C

43 GreenLED 3SB5285-6HE06

44 AmberLED 3SB5285-6HL33

45 LMRAfor200-400V 7UG0613-0FE20

46 LMRAfor260-460V 7UG0613-0FF20

47 LMRAfor380V 7UG0613-0FG20

48 LMRAfor415V 7UG0613-0FH20

49 Timer 3RP1576-1NM208K

50 Timer 3RP1576-1NP208K

51 Addonblock 3TX4010-2A

52 Addonblock 3TX4001-2A

53 Addonblock 3TY7561-1KA00-08K

54 Addonblock 3TY7561-1AA00-08K

55 Phaseselectorswitch 3LD4001-4DC30-0RC0

Table 3: Spares list

Sr.

No. Description Order No.

1Contactor 3TS3210-0AZ6-08K

2 Contactor 3TS3110-0AZ6-08K

3 Contactor 3TS3010-0AZ6-08K

4 Contactor 3TS3210-0AZ8-08K

5 Contactor 3TS3010-0AZ8-08K

6Contactor 3TS3300-0AZ6-08K

7 Contactor 3TS3300-0AZ8-08K

8Contactor 3TS3110-0AZ8-08K

9Contactor 3TS3500-0AZ8-08K

10 Contactor 3TS4722-0AR0-08K

11 Contactor 3TS3500-0AR0-08K

12 Contactor 3TS3600-0AR0-08K

13 Contactor 3TS4722-0AQ0-08K

14 Contactor 3TS3500-0AQ0-08K

15 Contactor 3TS4822-0AQ0-08K

16 Contactor 3TS3600-0AQ0-08K

17 Contactor 3TS5122-0AR0-08K

18 Contactor 3TS4822-0AR0-08K

19 Contactor 3TS3400-0AZ8-08K

20 Contactor 3TS5122-0AQ0-08K

Fig. 10: Dimensional Drawing

Representative view for FASD1, 2

Siemens Limited

OrderNo.A5E50494782000A/AA

Productdevelopmentisacontinuousprocess.Consequently

thedataindicatedinthisLeaetissubjecttochangewithout

priornotice.Forlatestissuecontactoursalesofces.

SACHINENTERPRISE

Disposal

Siemensproductsareenvironmentfriendly,which

predominantlyconsistofrecyclablematerials.

Fordisposalswerecommenddisassemblingandseparation

intofollowingmaterials:

METALS:SegregateintoFerroustypesforrecyclingthrough

authorizeddealer.

PLASTICS:Segregateaspermaterialtypeforrecycling

throughauthorizeddealer.Becauseofthelonglifetimeof

SiemensProductsthedisposalguidelinesmaybereplaced

byothernationalregulationswhentakingtheproductout

ofservice.Thelocalcustomercareserviceisavailableatany

timetoanswerdisposal-relatedquestions.

CustomerCareTollfreeno.1800220987 Email:[email protected]

Representative view for FASD3

A B C D E F G H J K øL

FASD1 370 475 179.5 390 405 45 101 94 84 410 7

FASD2 510 660 185.7 550 565 49.2 178.5 111 115 580 12

FASD3 580 740 205.7 620 620 55 99.5 229.2 156.2 650 12

S17891

Alternatemountingdimension

(Holeø7mm)

FASD1:284x400

FASD2:420x567

FASD3:490x647

M5earthingscrew(2x)

atbottomonbothsides

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