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Multifuge 3 S-R/3 L-R, Legend RT 120V 50/60 Hz SERVICE MANUAL

1. VAY R10 RM R12 R13 Auxilary Intermediate Circuit BYPASS R53 e ZK2 T R76 5 4007 100R 1008 100R 100R 4k7 V20 487 SMD SMD SMD SMD SMD Intermediate Circuit SMD 4148 TW SMD PAM 1 vaa 2 5 T92S7D12 24 FAGOR FB2506L 220n R8 R7 R123 R124 R127 R128 with heat sink SK 09 37 5 400V 22k 22k 22k 22k 22k 22k ua R2 SMD SMD SMD SMD SMD SMD l 150k SMD 26 1 1000 1000 BC817 25 200V 200V R9 R6 R122 R125 R126 R129 SMD BR2 BR3 BR1 22k 22k 22k 22k 22k 22k 1 2 2 1 2 c12 SMD SMD SMD SMD SMD SMD P T 1 5 81 8 RT F2 4 i zl A BRA s 1000 10004 Mains t t gt 200v 200v RI Connection 51 15 cag 150k 15 145 dus 18 120V only 230V only 120V only SMD
2. sSKendro H H12 5 H13 H14 a H18 X H24 H2 m E e m sj o E o 69s V15 0 m NA E Zo X Y eor e 8 S510 res V3 VS V6 v C R12 _ R13 gt A SA 3 J 1 B z 5 On sl 0880 20 20 2020 9 TUM TY Kre a a 14 ty H 85 207 7 Cu 56 018 02 2 v23 V29 c5 H16 TR 516 R28 gt R28 vi 2 v2 Lj 131 042 51 58 3 R33 18 au ti D S C12 bm _ HJ 510 519 SEQ ACB H1 o amp Uc Cii R14 RIS C16 ON Cm i oS o gt
3. JosseJduio Aggrdgate Coo fng X LIN _ G1 G2 O t N I of b i b Mail 1OJON yms eunje1eduia JSAO e x 10 JO sISAY MAIN BOARD Jesuepuo JO ue4 4907 pr YMS uono l q pue peeds god 25595555 uonosjeq 10103 god Multifuge 3S R 3L R Legend RT Wiring Connections Diagram 0000 4907 pr JO m laueg 10 siosu s god Josueg 6 o 9 Is 2 52 52 c 1 gt e 1x PE terminal 3 pole Mounting of Unit Ground 1x screw M4x10mm 2x fan washer 4 3mm Edition 04 04 07 02 AH SORVALL Heraeu SCHEMATIC DIAGRAMS 4 eraeus s Kenc Connection Diagram Compressor Compressor 6 2 Starting Relay arting Capacitor MEE t wui 1213 grn yel Main Board G2 black Main Board G1 white Edition 04 Wiring Connections Diagram 04 07 02 AH 4 6 Multifuge 3S R 3L R Legend RT SORVALL Heraeus SCHEMATIC DIAGRAMS CARR s Kend TO Controller Inverter RESET RESET IPH
4. 400R SMD P84 6 2 52 7 Ke abgew 10 _ _ 10 PTTUU on ofr 15 85 6 5 tt R46 R48 vcc SMD SMD 25V TA 16 86 6 4 54 rj R45 R47 vee R95 P87 7 e D26E 100R in ADO Temp 27 P amp SUHLDA SMD 100 GND 74 14 SMD SMD SMD ADT Temp 28 P50 P amp T eREQ 5x4k7 SMD ADZ Temp 29 P5 1 19 SMD 10 ADS Temp 30 P52 270 FH SET GND 1 rr PULSE sms e ER mures m 32 54 P72 55 Bypass active T 10 Bypass 0260 g 5 PT3 53 Heating active gt 9 8 CURRENT pud 24 Gong active T 74HC14 SMD s 25 Fant active T 1 74HC14 5 vec 38 Een H 26 active T D16A RPM and xwi R100 39 M T 1 2 active HEATING Imbalance 1 40k 7 2 5 10 95 gt Sensors vec O eu D os 74HC14 SMD 2 5 Bas qa P512 5H 40R 513 IREADY 0168 4 P514 27 SMD 74 3 4 active H BURNDY 4POL 100n 10u 100n BC807 99 GND 0990 GND SMD 10n SMD 25V SMD ener 74HC14 SMD SMD te e e e o 38 142 GND GND GND GND ILI VAGND 2999999999 D16C ras 100 id d d dud dd active H L 22k C62 1 1 1 1 SAB80C167CR LM T4HC14 SMD SMD 4001 lt gt 5 sun Rotor SMD R90 R134 R143 180 SMD C73 qo D16D Identification 22p 115 100R 10n 9 8 active H GB R101 GND 01 SM
5. 1 ias m E dud mma Erp Hals 1 4 05 07 02 3S R 3L R Legend RT Spare Part List 75004374 01 from Serial No 40031227 Index 00100 00101 00102 00103 00104 00105 00106 00107 00108 00109 00110 00111 00112 00120 00121 00125 00126 00127 00130 00135 00136 00137 00138 00140 00141 00142 00150 00151 00152 00153 00160 00161 00170 00171 00200 00220 00221 00222 Donnerstag 22 November 2001 Partno 70056704 20460089 20057535 20510292 20022874 10104080 20420167 20057828 20057826 20510356 20057827 70060304 20057941 20300084 20510247 70057541 20480244 20460092 70057534 20210390 20056798 20150180 20510350 20150214 20460097 20480242 20180608 20440023 20460090 20420076 20180138 20480108 20170329 20170330 20240607 20056700 20057488 20057487 Kendro Laboratory Products Plant Osterode MULTIFUGE 3L R 120V 60HZ to Serial No Text Base SCREW M5X5 Motorchassis SCREW ANTIVIBRATION MOUNT WASHER SAND NUT Noise reducer Weight Bolt Noise reducer Metallsheet Insulation FOOT Screw M8x12 Chassis cover LOCK WASHER ALLEN SCREW M4 X 6 Motorchassis MOTOR 125 45 3PH Insulation ROTOR RECOGNITION Bolt Speed and imbalance recognition Z SCREW M3 X 8 SECURING WASHER RECEPTACLE SCREW X8 SCREW 4 12 HEXAGONA
6. SCHEMATIC DIAGRAMS SORVALL Heraeus CARR NANNAN P Pd gt S i m 1 1 NI EN NC NS Ss N N Thermostatic Expansion Valve TLK 0 7 MOP 5 C Evaporator Chamber SSS TN I MU 2 2 pec rem SOROR ON E 1 1 1 1 1 1 i pacis I I I 1 AE 5 RS 1 5 SG N OOO i c i 5 1 gt LL 1 o 1 c 1 5 1 m E gt 5 mm o x os 2 5 lt ep lt s I lt Switch Liquid Collector Dryer Function Diagram of the Cooling Plant Edition 04 Multifuge 3S R 3L R Legend RT 4 21 04 07 02 AH SORVALL Heraeus esKendro The index numbers stated in reappear within the spare part figures block diagram schematic diagram of cooling plant and the spare part lists Due to cooled and non cooled version are described not all parts can be available 5 1 Dismantling the Housing 5 1 1 Front Panel 800 Open the lid
7. e Insulation resistance Check Check also the insulation resistance between the poles of the mains plug and the grounding conductor the resistance value must be more than 2 MQ Accessible current measured to EN 61 010 The accessible current must not exceed 3 5 mAmps in single fault condition interrupted protection earth wire In accordance with the EN61010 IEC1010 and UL3101 such a fault condition can be reproduced by the following measuring circuit YY Steckergeh use plug in casin pc 2 Stecker geh use plug in casing 1 I 10kQ Spezifaktionen f r MeBgerat i 0 22uF 459 TRMS DC 5kHz oder mehr i 15009 ae ea Eingangswiderstand gt 1MQ 5 i Toleranz 5 oder besser i Crest Faktor 5 oder besser i I 5 0 022uF L i V i 6 596 i G5 i Specifaction for the meter i 5000 TRMS DC 5kHz or more 1 Input resistance gt 1MQ Tolerance 5 or better i Crest Factor 5 or better Y ans oS awe lt gt gt er rx aysay EN K rperstrom U mV 500 N L accessible current U mV PE 1750mV 3 5mA Edition 04 Servicing Schedule Legend RT 18 04 02 he AH Page 2 10 Multifuge 3S R 3L R SORVALL Heraeus e Kendro 3 Functional Description 3 1 Block Functions The Multifuge 3L R
8. 8 38 037 Cu g R78 R93 d 1 8 LD E 4 i D R38 R85 85 FS7 CIMT RSS a cuu RSH 656 RSB oe m 022 56768 5 51 0 N Edition 04 04 07 02 AH Component Plan Main board 4 14 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS sSKendro 54 51 52 H2 H3 HH H5 7 12 5 H18 O 4 A 4 H20 x 698 Hvis
9. DC intermediate circuit for supply of frequency converter equipped with automatic loading and voltage brake controlling circuits Power part inclusive physically separated driving stages Microprocessor part with CPU E PROM and NV RAM Driving component for self closing lid lock device Interface component for serial RS232 option Exchangeable NV Ram and E PROM containing specific data of the unit 3 2 1 Power Pack The power pack consists of 2 transformers 2 rectifiers single diode and 2 voltage regulators which generates the following low voltage levels U1 5V by switched mode regulator LM2575T 5 0 VDD VCC supplies all processors and its electronic components on main and indication board U2 24V unregulated is used for the driving of lid lock motor and relays K2 K3 the reference potential is GND VSS U3 20V by 2nd transformer rectifier diodes and fix voltage regulator 7820 serves for supply of driving of the power electronics via the protection circuit by closed lid switches reference potential OV CAUTION MAINS POTENTIAL 13 03 01 he Page 3 1 Multifuge 3S R 3L R SORVALL Heraeus e Kendro Main Board Functions 3 2 2 Intermediate Circuit The DC intermediate circuit serves as an energy store between the AC power input and the transmitted motor performance The intermediate circuit consists of a heat sink cooled bridge rectifier and several reservoir capacitors which are softly charged across a
10. 20057560 20460161 20057916 20057821 20057914 20057915 Donnerstag 22 November 2001 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ EASYCONTROL to Serial No Text Spacer SCREW Operating instruction Short Instruction for 3S engl Instruction Seite 5 Multifuge Calibration Certification Lengend Zertifikat f r Kalibrierung Page Seite 1 Preventive Maintenance Checklist Complete Repair and Calibration Recertification Vorbeugende Wartungsliste vollstdg Reparatur und Wiederholungskalibrierung Account Address Instrument Model Serial Number Report Number Performance Certification Durchf hrung SPEED DREHZAHL Standard Test Rotor Used Set Speed rpm Tolerance Displayed Measured Meets Spec Remarks Passed whichever is greater Speed Speed y n Initials rpm Rotor Used Tw SC Hers pm TEMPERATURE TEMPERATUR Standard Test Rotor Used Calibration Tolerance Displayed Measured Remarks Passed Temp Temp Temp Initials CC L qp we Rotor Used rumor s s od o o Sea ee a TIME ZEIT Standard Test Rotor Used Timer Set Tolerance Measured Meets Remarks Passed min sec Time Spec Initials m s y n 10 oro la c dco ou Rotor Used pr __ SS
11. ES Resistor for Autom Brake Control Speed Reduction Lid Lock Switch Motor Overtemp Overpressure Switch DC Intermediate Circuit 325V OV 20V OVERPRESSURE XD1 R 3 1 2 I EL al 2 120 R2 Brake Resistors with Overtemperature Protector with Starting Relay Edition 04 Wiring Diagram 04 07 02 AH 4 2 Multifuge 3S R 3L R Legend RT SORVALL Heraeus SCHEMATIC DIAGRAMS e 1 CARR sSKendro 87 54 KEY AND INDICATION BOARD EASYCONTROL II 0526Vxx MAIN BOARD EPROM NV RAM Part 5V 4467Vxx 0528Vxx SND 1 4 Fan2 36 r LID LOCK BRAKE Heating LOCK ENABLE ni 1 LID LOCK DIRECTION NEARLY CLOSED 6 IGBT LOCK CLOSED Rs C P U LOCK OPEN RESET Frequency Converter Lid Lock Driving LID CLOSED i 24V OVERVOLTAGE 1 OVERCURRENT 1 POWER FAIL Current Control Restistor Physical Separation V1 A PT100 1 X Temperature Sensor Hall Effective Sensor Speed Detection Board Lid
12. ra HEREN preening fam Ray Rd 8 Uma RARUS umar za am macam aqp a amr ee n iq nr ra asqa TUR Tim pandi cien mq accum kema LET dedica md amamni aam Basa km uni T cipes ie Ta Tiii js 901 F ide DO Jano mamari goma mm maam DILE 0 inerte Liu i iui amam uten a cmm am mnn Ln ka uiam TS 1 ait ee SS E Ua E R uns rne wawawata LA CHECA _ ST l miari a Fo e n ims 2 dana dm Edition 04 Accessories EFFE man Hu d SORVALL
13. 20460164 20290664 20057560 20460161 20057916 20057821 20057914 20057915 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ QUICKCONTROL to Serial No Text Screw seal Spacer SCREW Operating instruction Short Instruction for 3S engl Instruction Seite 5 Spare Part List 75004377 01 from Serial No 40031227 Index 00100 00101 00102 00103 00104 00105 00106 00107 00108 00109 00110 00111 00112 00120 00121 00125 00126 00127 00130 00135 00136 00137 00138 00140 00141 00142 00150 00151 00152 00153 00160 00161 00170 00171 00200 00220 00221 00222 Donnerstag 22 November 2001 Partno 70056704 20460089 20057535 20510292 20022874 10104080 20420167 20057828 20057826 20510356 20057827 70060304 20057941 20300084 20510247 70057541 20480244 20460092 70057534 20210390 20056798 20150180 20510350 20150214 20460097 20480242 20180608 20440023 20460090 20420076 20180138 20480108 20170329 20170330 20240607 20056700 20057488 20057487 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ EASYCONTROL to Serial No Text Base SCREW M5X5 Motorchassis SCREW ANTIVIBRATION MOUNT WASHER SAND NUT Noise reducer Weight Bolt Noise reducer Metallsheet Insulation FOOT Screw M8x12 Chassis cover LOCK WASHER ALLEN SCREW M4 X 6 Motorchassis MOTOR 125 45 3PH Insulation ROTOR RECOGNITION Bolt Speed
14. E 7 x x X 230V 230V N 3 1 3 3 120V 120V Q t only only 2 SI 15 15 R4 2x2 1mH 2x2 1mH V130LA20A ov PE 1 16 2 16 VDR 4 4 4 4 417 47 10n 10n Y Y Y C15 Phoenix Klemme 408 Y T Cooling T v5 10 012 Aggregate 3 aS R t 1N5404 1N5404 24 47 58kHz LM2575T 5 0 5V 4 47 1 4 e i T VIN FB v v 4 t C13 SM4007 2 LL4148 62 2 REL24V SMD C106 2 our Tem 50V 470 C107 330uH 0109 100 100 v2 400n 50V 100n C 100u 100n 2 5 9257012 24 v25 SMD SMD WAGO 256 602 Ti 15404 TC 145404 SMD SMD 40V SMD 120V 18V 16VA mit R17 GND COOLING vss BC817 25 18 7820 SMD SMD 2 20V vec vss 2 v14 J ZMM18 1 5 4007 5 4007 ZMM18 NI R14 R5 10k T2 SMD v54 em SMD ZMM18 1 o 100n 470u 100n SMD dd 52 SMD gt POWER FAIL LK 120V 24 3 2 V yy c2 100u V13 15 SFH6106 3 quet SM4007 SM4007 smo Am Bauh he beachten SMD SMD GND FAN2 x12 T835 600B 20R F 5 Di Fan2 O4 v11 R19 R20 R21 R22 S21ME4 F 4 M E M R26 dk SMD 100R 100R 100R 100R GND Resistor for Fan SMD SMD SMD SMD R3 Speed Reduction M 4 7835 6008 2208 SMD Fa
15. ov 74HC14 74HC14 SMD SMD SMD Edition 04 Main Board 184 Inverter 04 07 02 AH 4 9 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS sSKendro Reset Controller 5 C65 C66 C67 C68 D25 GND 1001 1001 1001 100 NVRAM IIC 1 C22 GND 1 8 SMD SMD SMD SMD with DIP 8 Socket 8107 C56 v
16. 1 1 el R28 R30 R20 R2 bula c 52 112 C7 R28 R21 C83 v21 Vii 1 12 F c48 RE R7 11 ce R71 ll 8 gt 2 R72 RS cy R74 cus N 6141 R11 R12 R13 20000 L 928 5 5 1 5 R32R5 a 42 te ate v7 Hos cus 1 s s a me v23 R132 23 u2 csi 23 Res 017 4 d ei T ED t 2 2 1 a ride BRL R67 05 vas V rs N BRS Re n gt J I mo RIS RS 3c lt E O ie A Cs Cea 1 5 d aS Ne Motor R25 oo 0 8 __ S 0 2 D3 518 Ez Buc Loc R88 J c DI R31 Eu cus ROS 2 02 r1 in pm V 6 7 sigl gt 22 R24 J sU i R76 E A Di c54 uy ces RH c 9 M DL V 8 40 R36 C21 8 R38 i v32 5 R17 Vi2 Eg M L1 o is D vid bl bi M aB ox 7 E gt yar 2 oo OA R37 v31 17 Laboratory Products HE DE ca 216 R117 R119 R120 AT css R82 R91 vs vss Cis RS Cs
17. D7 D3 34 R35 B onjo ngo EAE 59 Jt g Seven segment LEDs LED s Seven segment LED Top view LED s HLMP on sockets Line verification of HLMP 3mm TDSG 5150 M with pins to top 1 P 1mm 109876 LELLI FEB 8 5mm J distance plate of non conducting material K A E 1 FTP OPT T U 12345 U PCB Edition 04 Component Plan Key and Indication board Rotary switch version 04 07 02 AH 4 16 Multifuge 3S R 3L R Legend RT SORVALL Heraeus SCHEMATIC DIAGRAMS CARR s Kend TO Speed and Imbalance Detection Board P N 70902651 s1onpoug Ruoq4euogej M 9 9 Speed and Imbalance Detection Board P N 20150214 g erozo9ggoX s312onpoug Edition 04 Component Plan Speed and Imbalance detection board 04 07 02 AH 4 17 Multifuge 3S R 3L R Legend RT SORVALL Heraeus SCHEMATIC DI
18. s TEST EQUIPMENT PR FMITTEL Serial Number Date of Next Calibration Stopwatch C Temperature Meter Photo Tachometer Safety Tester SAFETY TEST SICHERHEITSTEST Insulations resistance Earth Conductor Resistance Accessible Current gt 10 Megaohm 0 2 Ohm 3500uA Revised 29 09 00 Certified By Reviewed By Expiration Date Signature Date Customer Signature Date Page 1 of 1 Use ONLY Black permanent ink when filling out Leave NO blank spaces June 1999 H SER VICE SM USA Multifugegek maintenance doc Kendro service Information Heraeus Centrifuges Multifuge Legend PREVENTIVE MAINTENANCE CHECKLIST 172 S N Rotor Inspection o instrument top speed rpm Check for corrosion and wear 0 Deceleration time seconds o Inspect rotor lid locking screw o Time 10 minute set ________ aclulualmin sec o Inspect rotor magnets rotor D o Temperature 4 set ________ Serial numbers 75006445 75006435 Imbalance 75006444 Centrifuge stable and level 75003332 o Centrifuge shuts off weight 75003046 75003334 Safety test o Accessible leakage current lt 500 o Insulation resistance gt 10 Megaohm Preliminary Checks o Earth Conductor Resistance lt 0 2 Ohm Clean inst amp condenser coils o Rotor chamber defrost Inst en
19. 00680 00681 00682 00685 00700 00701 00702 00703 00710 00711 00712 00713 00714 00715 00720 00721 00725 00730 00735 00740 00770 00800 00810 00811 00820 00825 00830 00831 Donnerstag 22 November 2001 Partno 20420201 20056731 20056762 20057563 20056734 20056728 20057833 20510360 20056732 20056625 20510021 20480200 20480167 20310504 20150184 70904552 70000528 20230172 70060305 20500200 20480300 20420200 20470263 20440284 20510293 20480130 20180671 20190300 20360073 20904430 20310508 70060312 20150190 20480124 20057550 20057904 20056759 20460164 Kendro Laboratory Products Plant Osterode MULTIFUGE 3 S R 120V 60HZ to Serial No Text Nut Insulation door Spacer Spacer Insulation small INSERT Seal Screw M5 Window WINDOW LOWER PART SCREW M 5 X 12 WASHER FAN WASHER A 5 1 Cover MAINBOARD 120V NV RAM PRV MULTI 3S R 120V 045 PROCESSOR MAIN Legend 0528V07 FUSE 15A Cover Spacer Washer M4 Nut M4 Screw SCREW M 4 X 8 Screw WASHER 4 3 SWITCH W OVERLOADPROT 16 A Cordset NEMA 5 15P 15A 125V 3x14A SCREW DRIVER COLLET CHUCK String w washer Frontpanel DISPLAY PCB WASHER FRONT Overlay FRONTPANEL SIDE Screw Seite 4 Spare Part List 75004375 01 from Serial No 40031227 Index 00840 00845 00846 00900 00901 00910 00911 Donnerstag 22 November 2001 Partno 20290664 20057560 20460161 20057916 20057821 2005
20. 00701 00702 00703 00710 00711 00712 00713 00714 00715 00720 00721 00725 00730 00735 00740 00770 00800 00810 00811 00820 00825 00826 00830 Donnerstag 22 November 2001 Partno 20420201 20056731 20056762 20057563 20056734 20056728 20057833 20510360 20056732 20056625 20510021 20480200 20480167 20310504 20150184 70904557 70000528 20230172 70060305 20500200 20480300 20420200 20470263 20440284 20510293 20480130 20180671 20190300 20360073 20904430 20310508 70060312 20150191 20480124 20057551 20057905 20310443 20056759 Kendro Laboratory Products Plant Osterode MULTIFUGE 3L R 120V 60HZ to Serial No Text Nut Insulation door Spacer Spacer Insulation small INSERT Seal Screw M5 Window WINDOW LOWER PART SCREW M 5 X 12 WASHER FAN WASHER A 5 1 Cover MAINBOARD 120V NV RAM PROCESSOR MAIN Legend 0528V07 FUSE 15A Cover Spacer Washer M4 Nut M4 Screw SCREW M 4 X 8 Screw WASHER 4 3 SWITCH W OVERLOADPROT 16 A Cordset NEMA 5 15P 15A 125V 3x14A SCREW DRIVER COLLET CHUCK String w washer Frontpanel DISPLAY PCB WASHER Frontplate Overlay Multifuge 3L R Knob f Quickcontrolpanal Multifuge FRONTPANEL SIDE Seite 4 Spare Part List 75004374 01 from Serial No 40031227 Index 00831 00840 00845 00846 00900 00901 00910 00911 Donnerstag 22 November 2001 Partno 20460164 20290664 20057560 20460161 20057916 20057821 20
21. ea Edition 04 56768 5 51 Component Plan Main board BRL BRS V23 04 07 02 AH 4 13 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS 2 Mains Connection Motor Fan 1 Resistor Fan 2 Cooling N Cooling Overpressure Over temp Lid cis mi 1689 V V IM M F Aggregate Suitch Switch Switch TN 51 G2 P P B B t 7 I I 1 14 _ xH 12 1
22. switch off the unit and pull out the mains plug e Remove screws underneath of the front panel e Move the panel right or at newer units to the top and take it off e Disconnect wiring from display board 5 1 2 Lid 620 Open the lid switch off the unit and pull out the mains plug e Knock carefully the joint bolts 511 for upper attaching of gas lid stays 515 out of joint blocks 610 with its three notches ahead by use of a hammer and pin punches but press the bolts in with non notches ahead by use of pliers e Push an adequate screw driver into one bolt s place to keep the gas lid stay in position to avoid lid s slamming e Remove the 6 screws for lid s attaching on both hinges e Take the screw driver out of joint blocks to separate lid from gas stay and remove the lid from casing e When reassembling the lid take care that both bolt keepers 605 engage the lock entries concentric and stand out of the screw in hollow exactly for 36mm 5 1 3 Casing 500 Remove the front panel 800 see 5 1 1 Remove the lid 620 see 5 1 2 Remove main board see 5 2 2 Remove the 4 remaining screws on both sides Disconnect the grounding line and remove the casing with lid 500 and bolt holes sealing in vertical position from armoured chamber and frame e Reassemble the casing analogously in reverse order and take care of the correct lid sealing seat 320 5 1 4 Automatic Lid Locking System 475 e Dismantle the front panel 800 see 5
23. 1 1 e Dismantle main board see 5 2 2 e Disconnect plug X13 turn the motor with help of an auxiliary voltage DC 12V into a position that you can remove the 3 screws Remove lower nut of the latch holder bar Remove latch holder bar Disconnect wiring of micro switches and flat cable on PCB attached to gear motor Remove 4 set screws 2 x 2 in positioner Reinstall the latch and gear motor in reverse order Make sure that the center micro switch is proper adjusted Move latch to the maximum top position loose the two screws of micro switch move it until it clicks Check by driving the latch up and down with help of auxiliary voltage Edition 03 Servicing Schedule Legend RT 13 0301 he AH Page 5 1 Multifuge 3S R 3L R SORVALL Heraeus e Kendro 5 1 5 Lid Stays 515 Open the lid switch off the unit pull out the mains plug and remove the rotor Remove the lid see 5 1 3 Remove the casing see 5 1 4 Remove the attaching screws for the lower joint blocks Knock carefully the joint bolts 511 for lower attaching of gas lid stays 515 out of joint blocks 610 with its three notches ahead by use of hammer and pin punches but press the bolt in with non notches ahead by use of pliers e Replace both worn out gas lid stays and reinstall the new gas lid stays analogously in reverse order and remount the unit completely 5 2 Replacement of Electrical Components 5 2 1 NV RAM on the Main Board Notice old
24. 8 SCREW 4 12 HEXAGONAL NUT M4 CONNECTOR FAN WASHER A 4 3 Ferroxcube ring FERROXCUBE Compressor SC 12 GX 115V 60Hz CONDENSOR Insulation Insulation Seite 1 Spare Part List 75004376 01 from Serial No 40031227 Index 00223 00224 00230 00231 00235 00236 00237 00240 00250 00251 00255 00256 00257 00260 00265 00270 00271 00272 00300 00305 00310 00315 00320 00325 00326 00330 00335 00336 00337 00340 00400 00405 00406 00410 00415 00416 00417 00420 Donnerstag 22 November 2001 Partno 20056735 20510354 70056716 20510292 20210397 20480224 20430207 70056705 70904335 20430212 20160733 20160734 20510352 70904550 20160737 20240577 20220598 20440221 20240592 20240608 20056748 20290556 20290673 20056761 20460103 20055509 20140602 20250074 20470253 70057552 20210391 20056715 20460163 20150186 70904339 20510288 20440285 70056790 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ QUICKCONTROL to Serial No Text COVER Screw Bracket Fan SCREW MOTOR FAN 115 V WASHER A 4 3 SCREW M 4 X 10 Evaporatorchassis Evaporator complete SCREW M5 X 16 RESISTOR 120 OHM RESISTOR 120 OHM Screw Resistor 100 Ohm F Multi 3 R 120V CAPACITOR 4UF 400V FILTERDRYER Clip SCREW M6 X 16 HIGH PRESSURE CONTROLL SWIT Injection valve SEAL Insulation Insulation Armaflex MOTORCOVER SCREW M3 X 12 SUPPORT Sensor Temp PT 100 WASHER SCREW PLASTIC M
25. DIAGRAMS sSKendro ILID LOCK BRAKE LOCK DIRECTION 110 ENABLE Edition 04 GNI 24V 24V o RELAIS FINDER30 22 24V 2 o 15 K2 S 31 BRAKE 8 LOAD SUPPLY 0 41 LOAD SUPPLY 13 13 28 0 4 HF DROSSEL 1 id Lock DC Motor 14 PHASE OUT B 16 9 1 3 ww 17 ENABLE OUT_A Le 6 2 27 SENSE 22222222222828 18 mum O R108 MODE 66666666666666 EMITTERS coo co gt LE on ena C37 22k 100n 100n 470u in SMD De 9525 SMD SMD sov 24 GND GND GND GND V3 LL4148 GND R41 R42 R43 R44 AR 1R 1R 1R SMD SMD SMD SMD GND GND GND vec C94 100n SMD vec vec GND vec xu o GND ___1 2 R109 T1 0 25sec 110 T2 15 T F ee ifaw 3M3 C26 SMD D7B T4 ot Mn cid 4538 SMD 4538 SMD ii sue 2 14 10 tiom RC Q RC CONTOAP sun 5 GND GND anb 4 12 RPM PULSE Y E vec 4 jT R111 7 9 v4 a BC817 25 gt 00 NEARLY CLOSED 10k gt gt LOCK CLOSED SMD vec ab gt 0 100 OPEN Speed Pin amp P
26. Lid bolt is jamming Push lid RD and press the Lid is not correctly locked Lid is deformed Re adjust the lid centrally Edition 04 Servicing Legend RT 2 3 Multifuge 3S R 3L R 18 04 02 he AH _ a Service eK n dr eraeus CARR eeiNCICGTO 2 3 Error code Error Possible Error 5 Indication Error Cause Source Corrective Procedure rotor in Wronaselecti n Inadmissible speed Press start again within 15s else wait for speed of deed rotor Of rcf value was rotor standstill lid OPEN CLOSE set value display selected start Rotor not symmetri Open lid check rotor loading close lid again cally loaded and restart bien ps Change or reinforce the base table lorry with ana lockable wheels etc into vibrations Centrifuge drive is Level the drive correctly by means of unit s not correctly leveled feet message appears in Imbalance run Rotor itself has Rotor must no longer be used send back to imbalance Kendro speed display Drive shaft or rotor Replace collet chuck or motor fixing is damaged Imbalance sensor Replace sensor board ar main Replace the main board board Forbidden Lid was opened intervention Close lid immediately turn power OFF ON EI manually during emergency opening press lid down for locking press start key Lid device must only be press stop to finish run appears In used at standstill Defective
27. Screw PCB SENSOR COUPLING Set screw SCREW Sheet left Seite 2 Spare Part List Kendro Laboratory Products Plant Osterode 75004374 01 MULTIFUGE 3L R 120V 60HZ from Serial No 40031227 to Serial No Index Partno Text 00425 70056789 Sheet right 00430 20056737 Slideplate 00431 20460092 ALLEN SCREW M4 X 6 00432 20220586 INSULATION 00440 20056738 Roller 00441 20056739 Bolt 4 00442 20420107 NUT 6 LEFT 00450 20056792 HOLDER LATCH PROTECTION 00451 20350242 Spring 00452 20056791 LATCH PROTECTION 00453 20460202 Screw Ejot 00454 20057932 Insulation 00460 20180677 SWITCH 00461 20460157 Bolt M 2 3 00465 70056718 Bracket Latch 00470 20180654 SWITCH 00471 20057257 Holder sheet 00475 70904336 LATCH ASSY 00476 20350241 Clip 00480 20056707 Bar 00481 20420070 NUT M6 00500 70056726 Housing 00505 20057830 Grill 00510 20056650 HOLDER 00511 20510285 SCREW M5 X 12 00515 20310439 GAS LID STAY 00516 20490287 PIN 00520 20056766 SEAL 00521 20510294 SCREW M3 X 10 00525 20310442 Puller 00530 20057553 Holder Tool 00535 20056736 HINGE 00540 20056795 Panel right 00600 70056741 Insert 00605 20057217 HOOK 00606 20480236 SECURING WASHER 00607 20420121 NUT M 10 X 1 25 00620 70904183 Cover door Seite 3 Donnerstag 22 November 2001 Spare Part List 75004374 01 from Serial No 40031227 Index 00621 00630 00631 00635 00640 00645 00650 00660 00670 00671 00680 00681 00682 00685 00700
28. V16 M 53 54 a 5 P38 R37 pon 4 57 58 S9 510 9 E 05032080508 414 o N wo 3 va L 8020 0 08 m ise cs 56 0 E oo mm V1 V18 vis 2 V2 v22 t v23 V24 H1 018 X x X H13 H14 H15 H16 H17 RZ R25 Ri po 516 517 T R28 C18 R28 R3 Lj 11416 ss 2 v12 viu E Ex R32 R7 m Is I t3 65s Be a 012 S11 512 gt Po 513 514 515 1 518 518 om T T amp cog im gt A o IS D2 r 1 Ez Ros T B oo a oc Ug v25 V26 a N 8 H D8 K X K V2 V28 V28 n ot e a 03 8 Seven segment LEDs LED s Seven segment LED Top view LED s HLMP on sockets Line verification of HLMP 3mm TDSG 5150 M with pins to top 1 P 1mm 109876 LELLI FEB 8 5mm J distance plate of non conducting material K A E 1 FTP OPT T U 12345 U PCB Component Plan Key and Indication board Keypad version 4 15 Edition 04 04 07 02 AH Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS Drehknopf Version Rotary switch version H3
29. X8 SCREW 4 12 HEXAGONAL NUT M4 CONNECTOR FAN WASHER A 4 8 Ferroxcube ring FERROXCUBE Compressor SC 12 GX 115V 60Hz CONDENSOR Insulation Insulation Seite 1 Spare Part List 75004375 01 from Serial No 40031227 Index 00223 00224 00230 00231 00235 00236 00237 00240 00250 00251 00255 00256 00257 00260 00265 00270 00271 00272 00300 00305 00310 00315 00320 00325 00326 00330 00335 00336 00337 00340 00400 00405 00406 00410 00415 00416 00417 00420 Donnerstag 22 November 2001 Partno 20056735 20510354 70056716 20510292 20210397 20480224 20430207 70056705 70904335 20430212 20160733 20160734 20510352 70904550 20160737 20240577 20220598 20440221 20240592 20240608 20056748 20290556 20290673 20056761 20460103 20055509 20140602 20250074 20470253 70057552 20210391 20056715 20460163 20150186 70904339 20510288 20440285 70056790 Kendro Laboratory Products Plant Osterode MULTIFUGE 3 S R 120V 60HZ to Serial No Text COVER Screw Bracket Fan SCREW MOTOR FAN 115 V WASHER A 4 3 SCREW M 4 X 10 Evaporatorchassis Evaporator complete SCREW M 5 X 16 RESISTOR 120 OHM RESISTOR 120 OHM Screw Resistor 100 Ohm F Multi 3 R 120V CAPACITOR 4UF 400V FILTERDRYER Clip SCREW M 6 X 16 HIGH PRESSURE CONTROLL SWITC Injection valve SEAL Insulation Insulation Armaflex MOTORCOVER SCREW M 3 X 12 SUPPORT Sensor Temp PT 100 WASHER SCREW PLASTIC Metal
30. displayed identification and version numbers of E PROM and NV RAM when powering on 2 3 No in sequence e See wiring diagram and remove the front panel 800 see 5 1 1 Remove main board see 5 2 2 ATTENTION CMOS components Discharge your body before handling Pull CPU and or NV RAM carefully out of socket using chip removal tool Reinsert the new IC s correctly e Put the front panel back in position switch power ON check the displayed identification and version numbers of the new ICs and refit the front panel 5 2 2 Main Board Replacement 700 dismantle the front panel 800 see 5 1 1 Remove the screws which fasten the board and place it in front of the unit Remove all wires from the terminals by pressing the lever Unplug XC XR XU XW Only the main cable is fastened in a screwed terminal touch a grounded receptacle to discharge your body before touching the sensitive CMOS components Take the new CPU and or NV RAM out of box or re use the old ones when in perfect condition and insert them into sockets of the new main board if necessary remove the placed but non programmed NV RAM before remount the new main board with all nuts and washers Do not mix up disconnected cables during re connection Reassemble the device in reverse order and perform a test run making sure the drive turns in the right direction see imprinted arrow on rim of rotor chamber 23 Key and Display Board 810 e Remove the front pa
31. least every 3 years 2 1 2 2 Braking Circuit Check the function of the braking circuit warming up of brake resistor even and noiseless brake effect and replace defective parts in case of malfunction 2 1 2 3 Lead and Screwing Connections Check the terminal and plug connections of all leads and on all boards and electrical components tighten all loosen screwing connections refit or replace defective parts Check the wedged connections of the board mechanical and electrical components and re tighten them if necessary use screw locking lacquer for motor mounts and lid lock assembly 2 1 2 4 Protection Earth Core and Grounding Connections Check the protection earth core for continuity and all grounding plug connectors see also 2 7 Electrical Safety Check Check isolation resistance and accessible current see 2 7 Edition 04 Servicing Schedule Legend RT 18 04 02 he AH 2 2 Multifuge 3S R 3L R Service eK d raeu CARR eeKenaro 2 2 Trouble Shooting Error Possible Error Indication Error Cause Source Corrective Procedure Mains switch with Switch on again disconnect electric integrated fuse or components success search for other fuses on main board faults No mains Mains fuse or circuit Check fuse or circuit breaker and replace or voltage supply breaker failed switch on again Faulty mains cord Check instrument cord and
32. power resistor R76 when ever the unit is switched on After the loading time CPU initialization time the power resistor is linked by the relay contacts of K3 When switching the unit off the DC voltage of the intermediate circuit is discharged across a path of resistor R1 R2 3 2 3 Brake Path Electrical power is fed back into the intermediate circuit during motor deceleration motor acts as generator This braking power is transformed into heat by two parallel connected resistors so that the intermediate circuit voltage does not rise to an excessive level The brake resistors are switched into the intermediate circuit by a fast switching transistor pulse width modulation synchronized by the double mains frequency This transistor is voltage dependent controlled by a self acting stage closed loop 3 2 4 Frequency Converter The motor is 3 phased provided with chopped direct voltage blocks chopped frequency approx 5kHz amplitude is height of DC intermediate voltage These blocks are variable in frequency and pulse width modulation 120 out of phase These 3 phases are controlled during acceleration running at set speed and deceleration e g for small speed low frequency and small pulse width length will be affected The FC is protected against over current over temperature and over voltage 3 2 5 Microcontroller Central Processing Unit Part The software identification No s of the CPU and data storage s NV RAM ST24C32 are sequent
33. solder the service lines tight after finishing work Reassemble the device and perform a cooling power test run Charging information 120 V version Refrigerant 134a Amount 510 grams 17 8 oz Operating pressure with rotor 75006445 and round buckets 75006441 n 3750 rpm Ambient 23 73 F Temperature selection minimum Time 3 hours Suction 1 9 0 1 bars 12 27 15 psi Discharge 7 5 bars 30 107 2 psi Edition 03 Servicing Schedule Legend RT 13 0301 he AH 5 4 Multifuge 3S R 3L R SORVALL Heraeus BREAK DOWN DRAWINGS CARR e8Kend TO 22 Edition 04 Bottom Plate 05 07 02 AH 6 1 Multifuge 3S R 3L R Legend RT BREAK DOWN DRAWINGS CARR sSKendro S b 27 m i y Nu 2 ew 274 a i 1 lt NA ey Edition 04 Bottom Plate 05 07 02 AH 6 2 Multifuge 3S R 3L R Legend RT BREAK DOWN DRAWINGS SORVALL Heraeus A N 5 Y NN Bottom Plate Lid lock see page 6 4 Edition 04 Multifuge 3S R 3L R Legend RT 6 3 05 07 02 AH SORVALL Heraeus BREAK DOWN DRAWINGS CARR s Kend TO Parts for le
34. 00670 00671 00680 00681 00682 00685 00700 00701 00702 00703 00710 00711 00712 00713 00714 00715 00720 00721 00725 00730 00735 00740 00770 00800 00810 00811 00820 00825 00826 00830 Donnerstag 22 November 2001 Partno 20420201 20056731 20056762 20057563 20056734 20056728 20057833 20510360 20056732 20056625 20510021 20480200 20480167 20310504 20150184 70904557 70000528 20230172 70060305 20500200 20480300 20420200 20470263 20440284 20510293 20480130 20180671 20190300 20360073 20904430 20310508 70060312 20150191 20480124 20057551 20057909 20310443 20056759 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ QUICKCONTROL to Serial No Text Nut Insulation door Spacer Spacer Insulation small INSERT Seal Screw M5 Window WINDOW LOWER PART SCREW M 5 X 12 WASHER FAN WASHER A 5 1 Cover MAINBOARD 120V NV RAM PROCESSOR MAIN Legend 0528V07 FUSE 15 Cover Spacer Washer M4 Nut M4 Screw SCREW M4 X8 Screw WASHER 4 3 SWITCH W OVERLOADPROT 16A Cordset NEMA 5 15P 15A 125V 3x14 SCREW DRIVER COLLET CHUCK String w washer Frontpanel DISPLAY PCB WASHER Frontplate Overlay Legend RT knob version Knob f Quickcontrolpanal Multifuge FRONTPANEL SIDE Seite 4 Spare Part List 75004376 01 from Serial No 40031227 Index 00831 00840 00845 00846 00900 00901 00910 00911 Donnerstag 22 November 2001 Partno
35. 057914 20057915 Kendro Laboratory Products Plant Osterode MULTIFUGE 3L R 120V 60HZ to Serial No Text Screw seal Spacer SCREW Operating instruction Short Instruction for Multifuge 3S engl Instruction Seite 5 Spare Part List 75004375 01 from Serial No 40031227 Index 00100 00101 00102 00103 00104 00105 00106 00107 00108 00109 00110 00111 00112 00120 00121 00125 00126 00127 00130 00135 00136 00137 00138 00140 00141 00142 00150 00151 00152 00153 00160 00161 00170 00171 00200 00220 00221 00222 Donnerstag 22 November 2001 Partno 70056704 20460089 20057535 20510292 20022874 10104080 20420167 20057828 20057826 20510356 20057827 70060304 20057941 20300084 20510247 70057541 20480244 20460092 70057534 20210390 20056798 20150180 20510350 20150214 20460097 20480242 20180608 20440023 20460090 20420076 20180138 20480108 20170329 20170330 20240607 20056700 20057488 20057487 Kendro Laboratory Products Plant Osterode MULTIFUGE 3 S R 120V 60HZ to Serial No Text Base SCREW M5X5 Motorchassis SCREW ANTIVIBRATION MOUNT WASHER SAND NUT Noise reducer Weight Bolt Noise reducer Metallsheet Insulation FOOT Screw M8x12 Chassis cover LOCK WASHER ALLEN SCREW M4 X 6 Motorchassis MOTOR 125 45 3PH Insulation ROTOR RECOGNITION Bolt Speed and imbalance recognition Z SCREW M3 X 8 SECURING WASHER RECEPTACLE SCREW
36. 1 SMD 25V o 1208 SMD C104 C101 gt 7 R34 C105 c98 74HC14 74HC14 On 22 5 A 100n 1002 SMD SMD R58 SMD SMD 3 K vaa 400V Folie 5 15R s D10A D10F 1208 SMD Mp C38 5 R120 100n n 13 12 HCNW3120 SMD SMD GND BC817 25 dem 14 74 14 SMD SMD SMD v28 D14 BAfS9 2 8 100 SMD 25V E 7 R35 6 CR T te 4 4 5 158 IXGH20NGOBU1 e Cas SMD X122 100n 9 8 1 2 HCNW3120 SMD SMD 3 2 2 Motor 74HC14 74HC14 4 SMD SMD 3 1 D9E Sus t t D13 WAGO 256 603 10 24 2 8 t 1 SMD 25V 1208 SMD C103 C100 ES 7 R36 C88 c97 74HC14 74HC14 22n 6 ik 76 400n SMD SMD R56 SMD SMD 3 v32 x 5 158 a aye DOA DoF 1208 SMD m C40 R119 100n dn 12 ve HCNW3120 SMD SMD GND 817 25 vec 74HC14 74HC14 SMD SMD SMD var C25 t 10u D36 en 159 SMD 25V 5 amp 10 SMD 25V ES R37 gt 5 A 3 vat 08 080 5 158 1 58 Sur IXGH20NGOBU1 9 8 4000 HCNW3120 SMD 74HC14 74HC14 SMD SMD D8B 7 7 Das C50 11 10 2 8 100 vec t T SMD 25V 1208 SMD C102 c99 E 7 R38 C96 74 14 74HC14 On 22n gt o gt g 400n SMD SMD R54 SMD SMD 3 v30 x gt rolie 5 15R Suo 1208 SMD C42 sMD R17 100n dn 13 12 HCNW3120 SMD SMD GND 817 25 N a
37. 27 Index 00630 00631 00635 00640 00645 00650 00660 00670 00671 00680 00681 00682 00685 00700 00701 00702 00703 00710 00711 00712 00713 00714 00715 00720 00721 00725 00730 00735 00740 00770 00800 00810 00811 00820 00825 00830 00831 00840 Donnerstag 22 November 2001 Partno 20056731 20056762 20057563 20056734 20056728 20057833 20510360 20056732 20056625 20510021 20480200 20480167 20310504 20150184 70904552 70000528 20230172 70060305 20500200 20480300 20420200 20470263 20440284 20510293 20480130 20180671 20190300 20360073 20904430 20310508 70060312 20150190 20480124 20057550 20057908 20056759 20460164 20290664 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ EASYCONTROL to Serial No Text Insulation door Spacer Spacer Insulation small INSERT Seal Screw M5 Window WINDOW LOWER PART SCREW M 5 X 12 WASHER FAN WASHER A 5 1 Cover MAINBOARD 120V NV RAM PRV MULTI 3S R 120V 045 PROCESSOR MAIN Legend 0528V07 FUSE 15A Cover Spacer Washer M4 Nut M4 Screw SCREW M 4 X 8 Screw WASHER 4 3 SWITCH W OVERLOADPROT 16 A Cordset NEMA 5 15P 15A 125V 3x14A SCREW DRIVER COLLET CHUCK String w washer Frontpanel DISPLAY PCB WASHER FRONT Overlay Legend RT FRONTPANEL SIDE Screw seal Seite 4 Spare Part List 75004377 01 from Serial No 40031227 Index 00845 00846 00900 00901 00910 00911 Partno
38. 3S R Legend RT is a refrigerated microprocessor controlled laboratory tabletop centrifuge with noise reduced induction drive motor incorporating automatic rotor and imbalance detection and self closing door locking systems The unit is equipped with following boards and components block diagram 4 1 e Instrument socket for mains cable at the back Two poles mains switch Main board with microprocessor part and power electronics Key and indication board program EASYCONTROL II with temp Display or QUICK CONTROL with adjusting knob Sensor board with rotor detection sensors 3 phase induction motor with integrated thermal over temperature switch C O 150 C Speed detection and imbalance board with filter attached to the motor s bottom by screws self closing door locking system mechanical bolt keeper motor dis locking 2 parallel brake resistors mounted on safety chamber one with overtemp sensor axial flow fan for power electronics motor and chamber 3 2 Main Board Functions The Main board is mounted at the housing behind the front panel The components on main board are arranged in following function blocks see wiring diagram page 4 2 and 4 3 Noise filter in accordance with EN 55011 for motor and triac circuits Power pack for low voltage supply of microprocessor part and power electronics e Triac driving circuits for compressor cut in relay for 2 independent fan wiring terminals and for connection of a heater special use
39. 7914 20057915 Kendro Laboratory Products Plant Osterode MULTIFUGE 3 S R 120V 60HZ to Serial No Text seal Spacer SCREW Operating instruction Short Instruction for 3S engl Instruction Seite 5 Spare Part List 75004376 01 from Serial No 40031227 Index 00100 00101 00102 00103 00104 00105 00106 00107 00108 00109 00110 00111 00112 00120 00121 00125 00126 00127 00130 00135 00136 00137 00138 00140 00141 00142 00150 00151 00152 00153 00160 00161 00170 00171 00200 00220 00221 00222 Donnerstag 22 November 2001 Partno 70056704 20460089 20057535 20510292 20022874 10104080 20420167 20057828 20057826 20510356 20057827 70060304 20057941 20300084 20510247 70057541 20480244 20460092 70057534 20210390 20056798 20150180 20510350 20150214 20460097 20480242 20180608 20440023 20460090 20420076 20180138 20480108 20170329 20170330 20240607 20056700 20057488 20057487 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ QUICKCONTROL to Serial No Text Base SCREW M5X5 Motorchassis SCREW ANTIVIBRATION MOUNT WASHER SAND NUT Noise reducer Weight Bolt Noise reducer Metallsheet Insulation FOOT Screw M8x12 Chassis cover LOCK WASHER ALLEN SCREW M4 X 6 Motorchassis MOTOR 125 45 3PH Insulation ROTOR RECOGNITION Bolt Speed and imbalance recognition Z SCREW M3X8 SECURING WASHER RECEPTACLE SCREW M3 X
40. AGRAMS eL d CARR 180mm Polarization Nouse Polarization Nouse Pin 1 00000 Laboratory Products om 2 um um O OO 59 4 0 OO s amp 45 rms Edition 04 Component Plan Sensor board 04 07 02 AH 4 18 Multifuge 3S R 3L R Legend RT SORVALL Heraeus SCHEMATIC DIAGRAMS CARR Old version of PCB NA TN R3A RS5A Dimensions of cast PCB Wires are to guide lateral out of insulating compound max 16 45 Ll min3 11 minaaa 34 3 max 2 86 min 1 8 2 4 4 0 insulating compund Insulating compound must not stand out below Edition 04 Component Plan Rotor detection board sSKendro 04 07 02 AH 4 19 Multifuge 3S R 3L R Legend RT SORVALL Heraeu SCHEMATIC DIAGRAMS LJ 4 3 eraeus s Kenc TO R1A um EH E R2A m D2 H Dimensions of cast PCB L 34 3 _ 3 11 min 3 11 lt 5 lt ET PCB insulating compund Wires are to guide down side out of insulating compound Jil Edition 04 Component Plan Rotor detection board 04 07 02 AH 4 20 Multifuge 3S R 3L R Legend RT
41. ASE1 PHASE1 Lid Lock Control IPHASE2 2 IPHASES 5 ILID LOCK ENABLE Lock ENABLE LOCK BRAKE LiD Lock BRAKE Protection Circuits LOCK DIRECTION LiD LoCK DIRECTION 20V switched 20V switched RPM PULsE ELECTRONIC OVERTE ELECTRONIC OVERTEMP ov 3257 LID_NEARLY_ CCOSED t LID_NEARLY_CLOSED CURRENT CURRENT 03 LOCK CLOSED t Lip Lock cLosep JOVERCURREN JOVERCURRENT ILID_LOCK_OPEN i LID_LOCK_OPEN Supply JOVERVOLTAGE JOVERVOLTAGE 06 325V 325V OVER_PRESSURI OVER_PRESSURE 4 amp 4 MOTOR OVERTEI MOTOR OVERTEMP 20 4 ov ov 4 l hbo CLOSED C05 2 FAN2 COOLING COOLING HEATING HEATING BYPASS BYPASS POWER FAIL POWER FAIL Edition 04 Main Board 184 Overview 04 07 02 AH 4 7 Multifuge 3S R 3L R Legend SORVALL Heraeus CARR SCHEMATIC DIAGRAMS sSKendro
42. D 10k SMD 74HC14 SMD 1 t LT LT usc R M 2 PT100 5 8 3 wee Temperature 4 10 vec 3 E tcz Sensor 10u 5 cat 100n Burndy 3pol C61 Ep WAR 11 74 2 74HC02 T 100n 10 U 1 R145 R154 180 SMD C74 U4D SMD SMD SMD 25V SMD 2 fon D26F f 10 BURNDY 2POL Sue 13 GND GND GI GND GND GND 12 F 74HC14 GND SMD 74 2 GNU Edition 04 Main Board 184 Controller 04 07 02 AH 4 10 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS sSKendro 20V switched Overvoltage Detector Active if Brake Resistor is defect or Line Voltage is much too high OVERVOLTAGE R16 10k SMD gt gt CLOSED 02 SFH6106 3 SMD 325V Cooling Overpressure Switch Motor Overtemperature Switch Lid Switch
43. L NUT M4 CONNECTOR FAN WASHER A 4 8 Ferroxcube ring FERROXCUBE Compressor SC 12 GX 115V 60Hz CONDENSOR Insulation Insulation Seite 1 Spare Part List 75004374 01 from Serial No 40031227 Index 00223 00224 00230 00231 00235 00236 00237 00240 00250 00251 00255 00256 00257 00260 00265 00270 00271 00272 00300 00305 00310 00315 00320 00325 00326 00330 00335 00336 00337 00340 00400 00405 00406 00410 00415 00416 00417 00420 Donnerstag 22 November 2001 Partno 20056735 20510354 70056716 20510292 20210397 20480224 20430207 70056705 70904335 20430212 20160733 20160734 20510352 70904550 20160737 20240577 20220598 20440221 20240592 20240608 20056748 20290556 20290673 20056761 20460103 20055509 20140602 20250074 20470253 70057552 20210391 20056715 20460163 20150186 70904339 20510288 20440285 70056790 Kendro Laboratory Products Plant Osterode MULTIFUGE 3L R 120V 60HZ to Serial No Text COVER Screw Bracket Fan SCREW MOTOR FAN 115 V WASHER A 4 3 SCREW M 4 X 10 Evaporatorchassis Evaporator complete SCREW M 5 X 16 RESISTOR 120 OHM RESISTOR 120 OHM Screw Resistor 100 Ohm F Multi 3 R 120V CAPACITOR 4UF 400V FILTERDRYER Clip SCREW M 6 X 16 HIGH PRESSURE CONTROLL SWITC Injection valve SEAL Insulation Insulation Armaflex MOTORCOVER SCREW M 3 X 12 SUPPORT Sensor Temp PT 100 WASHER SCREW PLASTIC Metall sheet MOTOR W GEAR Holder
44. Locking Device with Motor 3x2 5 Switches and Sensors Edition 04 Wiring Diagram 04 07 02 AH 4 3 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS e8Kendro 1 PCB Rotor Detection fill up PCB Speed and Imbalance Detection under the motor 8 Motor 9 Pt100 Temperature Sensor 5 Switch at the left Lid Lock 8 Motor for Lid Lock 7 Switch Lid Lock PCB Sensors for Lid Lock 9 Resistor for Fan Edition 04 mE 4 0 Q 4 Wiring Connections Diagram 0 Mains Input 2 Start Capacitor B Relay for Compressor Toroidal Core with 2 electrical windings 8 Compressor 0 Over Pressure Switch Temperature Fuse 9 Condenser 00 Fan for Condenser 03 Switch at the right lid lock 62 Capacitor for Fan e Toroidal Core with 2 electrical windings Mains Switch 6 Toroidal Core with 1 electrical winding 04 07 02 AH 4 4 Multifuge 3S R 3L R Legend RT sSKendro SCHEMATIC DIAGRAMS SORVALL Heraeus 1018159 4 e siren oO o f B Tot Over Sut B YMS eJnssaig Coo fing
45. OTORCOVER SUPPORT Sensor Temp PT 100 WASHER SCREW PLASTIC Metall sheet MOTOR W GEAR Holder Screw PCB SENSOR COUPLING Set screw SCREW Sheet left Sheet right Seite 2 Spare Part List Kendro Laboratory Products Plant Osterode 75004377 01 LEGEND RT 120V 60HZ EASYCONTROL from Serial No 40031227 to Serial No Index Partno Text 00430 20056737 Slideplate 00431 20460092 ALLEN SCREW M4 X 6 00432 20220586 INSULATION 00440 20056738 Roller 00441 20056739 Bolt 4 00442 20420107 NUT 6 LEFT 00450 20056792 HOLDER LATCH PROTECTION 00451 20350242 Spring 00452 20056791 LATCH PROTECTION 00453 20460202 Screw Ejot 00454 20057932 Insulation 00460 20180677 SWITCH 00461 20460157 Bolt M 2 3 00465 70056718 Bracket Latch 00470 20180654 SWITCH 00471 20057257 Holder sheet 00475 70904336 LATCH ASSY 00476 20350241 Clip 00480 20056707 Bar 00481 20420070 NUT M6 00500 70056726 Housing 00505 20057830 Grill 00510 20056650 HOLDER 00511 20510285 SCREW M5 X 12 00515 20310439 GAS LID STAY 00516 20490287 PIN 00520 20056766 SEAL 00521 20510294 SCREW M3 X 10 00525 20310442 Puller 00530 20057553 Holder Tool 00535 20056736 HINGE 00540 20056795 Panel right 00600 70056741 Insert 00605 20057217 HOOK 00606 20480236 SECURING WASHER 00607 20420121 NUT M 10 X 1 25 00620 70904183 Cover door 00621 20420201 Nut Seite 3 Donnerstag 22 November 2001 Spare Part List 75004377 01 from Serial No 400312
46. SORVALL Heraeus e Kendro Multifuge 3 S R 3 L R Legend RT 120V 50 60 Hz SERVICE MANUAL P N 12004376 SORVALL Heraeus esKendro TABLE OF CONTENTS Secion Tile 1 OPERATING INSTRUCTIONS YVCUY P po jupe 52 0 4 2__ SERVICE Servicing Schedule 2 1 2 22 Trouble Shooting 1 19 23 Error Code 247 24 TesPons 28 25 ___ ImbalanceBehavion Y 29 26 Cleaning of Instrument Pars 1 29 27 Electrical Safety Check 1 210 2 3 FUNCTIONAL DESCRIPTION 1 31 __ Block Functions 1 1 0 0 31 32 ___ MainBoardFunctions 1 34 2 33 Key and Indication Board Easycontrol 33 Key and Indication Board Quickcontrol 34 34 Speed Detection Board 1 35 35 Rotrindcation 7 77 35 36 Imbalance Detection 35 37 LidLockSystem 1 35 38 Cooling Plat 1 35 4 DIAGRAMS 41 BlckDigram 42 _ WiingDigrams 429 43 Wiring Connection Diagrams 7 4 4 6 44 Board ComponetPlan 1 47 14 Display Board Easycontrol Keypad version 4 5 4 15 Component Plan Display Board Quickcontrol Rotary switch 4 16 version Component Plan 46 Speed detection ComponentPlan 1 417 47 Sensor Board Component Plan 1 418 48 Rotor Detection Board ComponentPlan 1 449 20 44 __ Cooli
47. V W x DA Rotor 6441 set speed 3750min 560W Motor winding 3 2 50 Switch OFF unit pull off motor plugs measure inter resistance 20 C 10MO U gt V V gt W W gt U insulation value Resistance inter each phase and motor casing Brake resistor 600 Switch OFF unit 2 resistors parallel connected resistance at terminal XD 20 C Per rotor revolution 2 different long Rotor detection pulses are separated from 2 different plug XR pulse pause lengths this pulse mode is generated by 4 alternately polarized magnets Chamber temperature 20 PT100 1080 S XU 9 Chamber temperature 10 100 960 Chamber temperature 40 PT100 1160 Edition 04 Servicing Schedule Legend RT 18 04 02 he AH Page 2 8 Multifuge 3S R 3L R SORVALL Service Heraeus e Kendro 2 5 Imbalance Behaviour Install in table available rotor s in unloaded condition Rotor Bucket Run through Cut off weight weight 75006445 75006441 20 grams 30 40 grams Insert rotor dependent cut off weights and position them at angles of 90 to each other the centrifuge must stop 4 times indicating bAL message in case of false behaviour see trouble shooting no DAL indication Insert the admissible imbalance weights in the same manner the centrifuge must run through 4 times to maximum rotor speed 2 6 Cleaning of Instrument Parts ATTENTION WARNING The electrical and electronic c
48. X20 9 9 9 9 WAGO 256 606 rm vec vec THERMO SWITCH 87 75 05 100 mounted on heat sink of V33 R87 1 2 R98 SMD 47 D19B SMD 3 76V pea A 20V ma R89 390R TLC2274C SO LL4148 l V38 C52 SMD 1 Acceleration Current Limit 20A ZMM 5 1 100n R39 SMD R97 10k 3k3 SMD SMD ELECTRONIC OVERTEMP 2 Brake Resistors GND 017 Xp D19A SFH6106 3 4 vao SMD OF 4 1 JOVERCURRENT 7 0 24V gt O4 BA159 D TLC2274C SO LL4148 C113 gt any 4 e kaj R112 4 Braking Current Limit 20A SMD 100n m Phoenb Klemme GND vcc IGBT V50 with heat sink vec KUNZE 3 315 8 R81 R65 40k IA SMD 1 R83 SFH6106 3 15k 100 2M2 v50 bii R67 SMD 1 SMD SMD ENN 10k SMD 1 021 1 8 12 2 VDD1 VDD2 7 VIN 3 6 13 2 OVER PRESSURE 6 22 11 4 VN VOUT 5 1 2274 80 gt GND1 GND2 R79 10k 5 01 2 R74 pue TL081 SO HCPL 7800 R69 15R Adi SMD R85 R84 220k 18k SMD 1 SMD SMD 1 n SMD GND GND GND GND ov Dynamic Overvoltage Detector Overcurrent Detector Active if the Motor supplies Energy Disc gt TLC2274C SO ZK2 Edition 04 Main Board 184 Protection Circuit 04 07 02 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC
49. and imbalance recognition Z SCREW M3 X 8 SECURING WASHER RECEPTACLE SCREW X8 SCREW 4 12 HEXAGONAL NUT M4 CONNECTOR FAN WASHER A 4 8 Ferroxcube ring FERROXCUBE Compressor SC 12 GX 115V 60Hz CONDENSOR Insulation Insulation Seite 1 Spare Part List 75004377 01 from Serial No 40031227 Index 00223 00224 00230 00231 00235 00236 00237 00240 00250 00251 00255 00256 00257 00260 00265 00270 00271 00272 00300 00305 00310 00315 00320 00325 00330 00335 00336 00337 00340 00400 00405 00406 00410 00415 00416 00417 00420 00425 Donnerstag 22 November 2001 Partno 20056735 20510354 70056716 20510292 20210397 20480224 20430207 70056705 70904335 20430212 20160733 20160734 20510352 70904550 20160737 20240577 20220598 20440221 20240592 20240608 20056748 20290556 20290673 20056761 20055509 20140602 20250074 20470253 70057552 20210391 20056715 20460163 20150186 70904339 20510288 20440285 70056790 70056789 Kendro Laboratory Products Plant Osterode LEGEND RT 120V 60HZ EASYCONTROL to Serial No Text COVER Screw Bracket Fan SCREW MOTOR FAN 115 V WASHER A 4 3 SCREW M 4 X 10 Evaporatorchassis Evaporator complete SCREW M 5 X 16 RESISTOR 120 OHM RESISTOR 120 OHM Screw Resistor 100 Ohm F Multi 3 R 120V CAPACITOR 4UF 400V FILTERDRYER Clip SCREW M 6 X 16 HIGH PRESSURE CONTROLL SWITC Injection valve SEAL Insulation Insulation Armaflex M
50. cted set temperature within a tolerance of 2K To reduce the power consumption of the unit the compressor will not be activated during accelerating of the motor When reaching the selected speed the compressor will be activated if a low temperature had been selected 13 03 01 he Page 3 5 Multifuge 3S R 3L R SORVALL Heraeus SCHEMATIC DIAGRAMS CARR e8Kend TO Unit s Plug Temp Sensor Sensors for Lid Lock Rotor Detection E m xg E v1 100 KEY AND INDICATION BOARD XI Mains Switch with Over current Release 16A mum U XR1 R MAIN BOARD X20 X122 XW1 X12 X12 X17 X20 B 1 2 3 w M V G P 17 a t Y F5 1 1 M3 M2 L at 1 Brake ResistorBrake Resistor Lid Lock Lid Lock Switch Overtemp Switch Motor Speed Detection Resistor for e Fan for Compressor Pressure Switch Overtemp Motor 2 Pulses revolution Speed Limit Compressor Imbalance Sensor Compressor Fan Edition 04 Block Diagram 04 07 02 AH 4 1 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR Mains PE N L so 427427 SCHEMATIC DIAGRAMS sSKendro x noise filter 4R7 11W Chassis rT Ground ras gt peur Bu Compressor MAIN BOARD FAN2 FAN1 X12 M X12 V 1 1 12 C 4 0uF
51. d or accessory parts must not be used any longer if there are visible traces of mechanical damage or rust Check the condition of rotor and or accessory sealing and replace them in case of malfunction Bellows of gas lid stays have to be greased upside down with glycerin part no 70902649 once a year 1 6 Rotor Fixing and Drive Spindle Check the perfect condition of the collet chuck and replace it in case of malfunction thread is worn out horizontal grooves etc Check the condition of the drive cone the centrifuge must not be used any longer if the drive cone is damaged e g bend or it s bearings are worn out Legend RT 04 02 he AH 2 1 Multifuge 3S R 3L R SORVALL Service Heraeus e Kendro 2 1 1 7 Temperature Level not at every unit e Check the wire gauze behind the air inlet slots left and right side for free ventilation insufficient air flow will lead to an inadmissible temperature rise of compressor motor and electronic parts 2 1 1 8 Imbalance Behavior Install available and empty rotors and check the imbalance behaviour with rotor dependant cut off and run through weights see 2 5 and replace worn out motor rubber mounts faulty main board or sensor board 2 1 2 Maintenance Routine after Dismantling the Centrifuge Casing 2 1 2 1 Motor Supporting Elements e Check the supporting and damping elements of the drive motor and replace them in case of increased rubber abrasion or abundance of imbalance but at
52. ec 2 CONTROL ADDE hoo GND 47 GND 0 4 RESIN SENSE 5 1 1 RESET 015 SMD GND 4 gt n 1 SMD 25V z E NEC SMD 20 TLC7 7051 E ING c58 256 3 x 16 Bit 22 SCL 22 SMD vss SDA D30 GND 74 Dii STZ4ETG GND D26A SMD css m 21 19 DO 22p MI Qo 3 2 138 100 00 2 22 18 Di JLID_NEARLY_CLOSED GND 1 137 101 DT A3 23 x 17 02 102 02 24 16 D3 0268 74HC14 SMD C75 140 qos D3 5 25 03 Fg 54 IRESIN POL3 4 Q4 3 4 100 141 104 04 26 14 05 ILID LOCK CLOSED p SMD JRESQUY 105 55 AT 27 13 06 84 196 D6 D6 GND 114 AB 28 L2 57 026 p 74 14 SMD GND 107 D7 9 29 10 D8 5 6 47 108 08 A10 31 9 D9 ILID LOCK OPEN P20 POHO A9 as T 48 111 09 11 32 8 010 4 SMD P24 POH1 A10 49 52 12 D10 D10 GND 12 33 Dit 50 213 Dii GND R105 341 012 9 8 51 114 512 512 GND 14 35 5 D13 POWER FAIL R108 ba 52 724 poe 115 013 A15 36 Is ats 4 D14 sc ga n POHS D14 A16 spi ow BE D15 D29F ox 54 P28 POH6 DIS AT 5 015 P27 16 13 12 Electronic OVertemperalure active T 57 18 38 OVER PRESSURE RPW Signar s P28 AT ve ND 74HC14 SMD Overvoltage active H 59 P29 PILO 2 Motor Overtemp act
53. er unit first identification No 591 in multiplex processing For the programming serves Knob control system Quickcontrol see Operating Instructions Functions of keys elements Quickcontrol At the same time Switching between rpm and rcf display Quick run hold button pushed Lid symbol Open the lid Arrow right Normal start of the centrifugation Manual stop of a run Functions of Indicating Elements Quickcontrol Indicat Designation Function s Audio signal Decel curve digit Display defined deceleration curves 1 to 3 Speed in rpm rounded to full 10 rpms Rotor not yet detected xxx H4 H7 rcf value xg or not yet possible to calculate H12 i Speed range Identifications no s of controller and NV RAMs Lid open condition OPEn Centrifuge run is terminated Error messages Lid rotor Centrifugal time in h min count down process Count up process hld in h min count up process Actual version number xx pre heating process is terminated For rcf indication 13 03 01 he 3 4 Multifuge 3S R 3L R SORVALL Heraeus e Kendro 3 4 Speed Detection Board On a small board which is attached underneath the motor the circuits for speed detection and signal shaping are arranged The motor speed is optically detected by an infra red light barrier The motor axle has a hole at the same level as the light barrier This effects that the
54. etall sheet MOTOR W GEAR Holder Screw PCB SENSOR COUPLING Set screw SCREW Sheet left Seite 2 Spare Part List Kendro Laboratory Products Plant Osterode 75004376 01 LEGEND RT 120V 60HZ QUICKCONTROL from Serial No 40031227 to Serial No Index Partno Text 00425 70056789 Sheet right 00430 20056737 Slideplate 00431 20460092 ALLEN SCREW M4 X 6 00432 20220586 INSULATION 00440 20056738 Roller 00441 20056739 Bolt 4 00442 20420107 NUT M 6 LEFT 00450 20056792 HOLDER LATCH PROTECTION 00451 20350242 Spring 00452 20056791 LATCH PROTECTION 00453 20460202 Screw Ejot 00454 20057932 Insulation 00460 20180677 SWITCH 00461 20460157 Bolt M 2 3 00465 70056718 Bracket Latch 00470 20180654 SWITCH 00471 20057257 Holder sheet 00475 70904336 LATCH ASSY 00476 20350241 Clip 00480 20056707 Bar 00481 20420070 NUTM6 00500 70056726 Housing 00505 20057830 Grill 00510 20056650 HOLDER 00511 20510285 SCREW M5 X 12 00515 20310439 GAS LID STAY 00516 20490287 PIN 00520 20056766 SEAL 00521 20510294 SCREW X 10 00525 20310442 Puller 00530 20057553 Holder Tool 00535 20056736 HINGE 00540 20056795 Panel right 00600 70056741 Insert 00605 20057217 HOOK 00606 20480236 SECURING WASHER 00607 20420121 NUT M 10 X 1 25 00620 70904183 Cover door Seite 3 Donnerstag 22 November 2001 Spare Part List 75004376 01 from Serial No 40031227 Index 00621 00630 00631 00635 00640 00645 00650 00660
55. f the micro switch and move it in a position that a clear click can be heard 0 5 to 1mm check with multimeter for zero ohm Connect motor to power supply and make sure that the switch is functioning well Secure the bolts with paint 5 4 Replacement of Parts of the Cooling Plant First of all is to figure out that high ambient temperatures 9 gt 35 C insufficient heat transfer e g polluted condenser de heater air gaps or electrical errors like defective fans sensor or main board starting relay or capacitor can be excluded from the cooling problem see function diagram of cooling plant 4 10 pressure temperature ranges are valid for continuous cooling at max speed 90 225 C Procedure for replacing defective components of the cooling cycle Dismantle the casing see 5 1 and mount pierce valves onto the service lines When gauging too little static pressure perform a leakage test N max 25bars Discharge the refrigerant with suction device into recycling bottle In case of compressor 200 fault let the oil run out into a bowl to recycle it Unsolder defective component s and replace the dryer collector assy 235 too Let a little amount of dry nitrogen gas stream through the tubes when soldering to avoid scaling on the tube s inner surface Do the evacuation and refill the system with the exact amount of liquid refrigerant on the pressure side via a new external dryer check amount with a balance or filling cylinder re
56. ft and right lid lock are the same 454 Edition 04 Lid Lock System 05 07 02 AH 6 4 Multifuge 3S R 3L R Legend RT e8Kendro BREAK DOWN DRAWINGS SORVALL Heraeus CARR Parts for the lid see page 6 6 JHHIEEHH 525 Edition 04 Multifuge 3S R 3L R Legend RT 05 07 02 AH sSKendro SORVALL Heraeus CARR BREAK DOWN DRAWINGS I e H lt eo W o Multifuge 3S R 3L R Legend RT SORVALL Heraeus BREAK DOWN DRAWINGS CARR e8Kend TO Parts for front panel see page 6 8 Edition 04 Front Panel 05 07 02 AH 6 7 Multifuge 3S R 3L R Legend RT SORVALL Heraeus BREAK DOWN DRAWINGS CARR Edition 04 Front Panel 05 07 02 AH 6 8 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR BREAK DOWN DRAWINGS sSKendro 900 persis 1 r B m emim gra xeme mme ninm on eae ls MM LLL LI Coran Oe Le EO MINNS Q n B tei mae WE ei a s mE ee m ra mii s RET
57. ge 2 5 Legend RT Multifuge 3S R 3L R Service eK n dr eraeus CARR eec O Error Code Error Possible Error 5 Indication Error Cause Source Corrective Procedure E 18 Bucket code m ssa A not valid for this Not valid 9 rotor Wrong rotor installed Check rotor 19 Rotor code not messagg programmed Interference durin 9 Check rotor recognition board and wiring recognition 20 rotor code not See E 19 message valid 21 Recognition disturbance E 22 Speed signal E disturbance TIS Check Wing 23 Speed control 2 check was done messi A measuring by rotor recognition Check speed detection board 9 disturbance system 24 Latch top Micro switch failed Check micro switch adjustment if necessary message position de adjusted latch replace it E 25 Time out latch Hall sensor signal not message open applied Check latch motor and PCB E 26 Time out latch sensor signal not Check latch motor and PCB message close applied T Wrong identified 27 signal given signal after power Check hall sensors message latch not valid on After replacement of k et of the motor wires Check wiring at terminal 9 mixed E 29 Motor doesn t PCB faulty see E 21 Change PCB rotor recognition speed message turn E 22 detection fasten motor wiring at termina
58. ially displayed in speed and time fields Press program place no 2 during switch on CPU Operating panel 526 P05 Firmware 528 200 NV RAM 4468 105 The actually indicated version No s are displayed in the time field and will be upgraded if program or data changes are necessary The control program ROM is integrated in the controller component The most important operating parameters e g the maximum data for all rotors the last operator settings the basic values for speed and temperature controlling data of acceleration and deceleration curves as well as 4 data sets of program places are stored in the non volatile NV RAM When calling this routine the actual value of all centrifugation cycles CYL is also shown in the display as fourth No before the check routine for all program places puts an end to the initialization time approx 18s The CPU co operates with the E PROM component via the 16 bit data bus and some control lines The CPU is an integrated circuit generating all required output signals monitoring and analyzing all input signals 13 03 01 he 3 2 Multifuge 3S R 3L R SORVALL Heraeus esKendro 33 Key and Indication Board Easycontrol The key and indication board is mounted behind the operating panel The connection to the main board is done by a 4 pole cable by which the serial data transfer as well as the low voltage supply of 5V is verified The 7 segment displays the control LED
59. ice analogously in reverse order Perform some short test runs with max brake curve Replacement of Drive Components 5 8 1 Drive Motor 135 Remove Motor cover with sensor cover Remove the front panel and main board see 5 1 1 and 5 2 2 Disconnect the leads for motor X122 U V W over temperature switch X20 unplug the grounding wire PE from casing s receptacle Remove ferroxcube from the motor wires in front safety chamber and tie a string for easier pulling afterwards Remove rotor recognition board and put it on side Remove temperature sensor if available Unscrew motor take it off Remove speed detection board and reinstall it at the new motor 5 2 Motor rubber Mounts 104 Remove motor see 5 3 1 Place unit on 4 blocks of wood 10 to 15 cm Remove 10 screw underneath base plate Base plate will not come off Turn the base plate 1 5 cm until the holder screws allow to remove the plate Inspect the rubber mounts and if necessary replace them All 6 rubber mounts must only be exchanged completely Take care that the safety screws will not be damaged or loosen non cooled version only Edition 03 Servicing Schedule Legend RT 13 0301 he AH 5 3 Multifuge 3S R 3L R SORVALL Heraeus esKendro 5 8 8 Adjustment of the micro switch center of Latch system Remove front panel and main board see 5 1 1 and 5 2 2 Move the latch sleigh to the maximum top by help of auxiliary voltage Loosen the two screws o
60. ing o Low High lt 120RPM Pulse High gt 120RPM High Low Main Board 184 Lid Lock Control 04 07 02 AH 4 12 Multifuge 3S R 3L R Legend RT SORVALL Heraeus SCHEMATIC DIAGRAMS sSKendro Fan 1 Resistor Fan 2 Mains Connection Cooling Aggregate Cooling Ove Motor Overtemp Switch Lid Swit 51 G2 BIA A K1 Rotor RPM Lid Lock DC Motor Iden
61. ion board to the p 9 inadmissible main board is broken area Edition 04 Servicing Schedule Legend RT 18 04 02 he AH Page 2 7 Multifuge 3S R 3L R SORVALL Service Heraeus esKendro 2 4 Test Points Test Points Unit Value Conditions Mains terminal 120V All given values are related on 120 V 1096 mains voltage for Board resistance 500 board supply Motor over temp terminal 20V DC Voltage drop by one 5 error case and linked X20 B3 B4 TUER Over press switch 20V DC Voltage drop by one disconnected lead error case and linked terminal X20 P terminal XO Switch OFF unit fan resistance temperature 20 wire black to blue wire brown to blue Fans cooling plant terminal XK Compressor Switch OFF unit compressor temp 20 terminal XG Resistance of main coil starting relay 0 10 terminal box Resistance of auxiliary coil joints 13 gt 14 insulation value Resistance inter phase and motor casing Speed detection plug XW Board with active filter circuit 1 to 4 Low voltage supply 8 to 4 Light barrier is passed through slot position Light barrier is out turn cone a little by hand speed When centrifuge is running Imbalance sensor plug XW Low voltage supply of sensor board 124 Amplitude of lateral acceleration is rotor and speed dependent 224 analyzed for n 250 rpm Split core transformer with Flukemeter Motor current 1 maximum during acceleration cable U
62. ive L P210 Pii A2 ICE MOTOR OVERTEMP 13 12 Lid closed Signal active H amp r P2 PIL2 A5 A3 20 Overcurrent active H 62 P212 PIL3 122 4 Di6F 74HC14 SMD P213 53 5 Interface Module P214 PILS L 6 40 1 2 x15 Pus Uns AT a VES oe ILID CLOSED 5MD 1 2 1 2 RESOUT 65 128 AB GND D29A SMD vcc x 3 4 66 P30 PIHO 129 9 GND 5 5 6 594 ATO VSS Ugo GNI ID ELECTRONIC OVERTEMP 10 C86 TRE 7 ii s 58 032 Pus An AS 100n 8 10 9 10 DETECTI 69 132 12 27 4002 Di6E 74 14 SMD SMD 1 2 70 4 733 13 45 135 PIHS Fa 14 P3 6 P1H6 e n A 5 6 15 16 15 16 CS 74 135 A15 JOVERVOLTAGE T 1 1 Ge T 11 18 pour 75 TER 0296 SMD 2 19 20 2 DN ES A16 R15 5 4k7 4k7 47 1 77 86 17 P3 10 TXDO 17 JOVERCURRENT 3 4 CON GI CONDO Ln deam Eu A8 SMD SMD SMD 79 8 88 Lid Lock Control 0298 74 14 SMD T Hco2 gp 3 2 Control Panel ar 313 24 41 20 jay 4 LID_LOCK_BRAKE a voc PEAS vec i ILID LOCK ENABLE d 91 P4 6 A22 FEE GND o TP1 9 b o P4 7 A23 92 gt LOCK DIRECTION 2H 4 ss C 3 R40 11 1 TP3 2 P6 0 CS0 2 4 TP4 354 3 P83 P6 1 CS1 R91 R92 R93
63. key message board disturbed Wiring display board Check wiring and connectors Display board 07 doesn t match to main board Check software Replace NV RAM and CPU message cooled non cooled E 08 sum error message E PROM E PROM failed Replace E PROM E 09 sum error message NV RAM NV RAM failed Replace NV RAM 10 NV RAM not Initializing of NV RAM check NV RAM and socket insert the correct message initialized is not valid NV RAM E 11 RAM doesn t Check versions of NV message match E PROM RAM and E PROM pisplace NN FAM Land EE ROM E 12 sum error message NV NV RAM failed Replace NV RAM E 13 sum error message NV NV RAM failed Replace NV RAM hamb Compressor didn t Check leads terminals start relay capacitor 14 Work compressor message temperature display gt 50 Faulty cooling cycle Exp valve refrigerant loss E 15 Open temp sensor control Replace sensor or main board message sensor circuits 16 Short temp Check sensor control Replace sensor or main board message sensor circuits a wrong rotor was wait for standstill open the lid and install a installed correct rotor wrong 9i faulty Mains voltage failure press stop key wait for standstill and restart message rotor detection Faulty detection replace the main board circuit Edition 04 Servicing Schedule 18 04 02 he AH Pa
64. l E 30 Control voltage PCB failed Replace PCB message interruption temperature Check motor check grill for dust 99 motor gt 150 E 32 Over messa temperature Faulty main board Replace main board 9 Electronic Faulty high pressure 2 Switch blocked Inspect cooling system 9 9 Sy system Edition 04 Servicing Schedule 18 04 02 he AH Page 2 6 Legend RT Multifuge 3S R 3L R SORVALL Service e Bii esKendro CARR Error Code Error Possible Error Indication Error Cause Source Corrective Procedure alk Over voltage Brake Check brake resistors replace main board message main board 35 Over current Main board Replace main board message E 36 Over voltage or Replace main board message interruption current 37 message continuously Main board Replace main board Current E ubi measurement 2 Replace main board 9 disturbed E 39 Speed control Speed calculated Check speed detection board replace the message check n max speed main board E 40 Acceleration of Big imbalance ij Motor or main board Check rotor loading motor and main board massage the unit is too 9 slow faulty Offset voltage Imbalance sensor from the 41 imbalance X faulty Replace speed detection board message sensor is in a Wiring from the speed Check replace the wirin 9 detect
65. l sheet MOTOR W GEAR Holder Screw PCB SENSOR COUPLING Set screw SCREW Sheet left Seite 2 Spare Part List Kendro Laboratory Products Plant Osterode 75004375 01 MULTIFUGE 3 S R 120V 60HZ from Serial No 40031227 to Serial No Index Partno Text 00425 70056789 Sheet right 00430 20056737 Slideplate 00431 20460092 ALLEN SCREW M4 X 6 00432 20220586 INSULATION 00440 20056738 Roller 00441 20056739 Bolt 4 00442 20420107 NUT 6 LEFT 00450 20056792 HOLDER LATCH PROTECTION 00451 20350242 Spring 00452 20056791 LATCH PROTECTION 00453 20460202 Screw Ejot 00454 20057932 Insulation 00460 20180677 SWITCH 00461 20460157 Bolt M 2 3 00465 70056718 Bracket Latch 00470 20180654 SWITCH 00471 20057257 Holder sheet 00475 70904336 LATCH ASSY 00476 20350241 Clip 00480 20056707 Bar 00481 20420070 NUT M6 00500 70056726 Housing 00505 20057830 Grill 00510 20056650 HOLDER 00511 20510285 SCREW M5 X 12 00515 20310439 GAS LID STAY 00516 20490287 PIN 00520 20056766 SEAL 00521 20510294 SCREW M3 X 10 00525 20310442 Puller 00530 20057553 Holder Tool 00535 20056736 HINGE 00540 20056795 Panel right 00600 70056741 Insert 00605 20057217 HOOK 00606 20480236 SECURING WASHER 00607 20420121 NUT M 10 X 1 25 00620 70904183 Cover door Seite 3 Donnerstag 22 November 2001 Spare Part List 75004375 01 from Serial No 40031227 Index 00621 00630 00631 00635 00640 00645 00650 00660 00670 00671
66. light beam will be interrupted twice during one motor revolution A following pulse shaping stage on board forms square topped pulses which are led via XW1 to the main board The speed pulses are counted by the CPU to display the exact motor speed 3 5 Rotor Indication In the rotors bottom 4 magnets are forced being alternately arranged in polarity and positioned to each other to different distances on a constant circular ring segment steps of 20 A Hall sensor is exactly fixed below to the sensor board The magnets are switching a flip flop stage by which different pulse lengths and pulse intermissions are generated during one rotor rotation By this signal the CPU is able to detect up to 65 different rotors and the correct direction of rotation too 3 6 Imbalance Detection On the speed detection board a piezoelectric acceleration detector is additional fixed Dependent of the rotor imbalance this sensor generates an analogous voltage signal which is led via a following band pass filter to plug connection XW1 2 to main board where it is analysed by CPU When the CPU has identified the installed rotor type the speed dependent imbalance limitation curve from E PROM The analogue imbalance signal is filtered converted into digital form and continuously comperated with this specific limitation curve If the actual imbalance signal will rise at any speed beyond the limit the error signal for imbalance load will be displayed and the unit s
67. lows down 3 7 Lid lock system The latch is directly controlled CPU via PWM motor driver If all necessary signals are existing which allow an opening the motor is fired with a pulsed voltage of 24 VDC For additional safety the relay K2 will be activated if the speed is below 120 rpm controlled by triggered mono flops 3 8 Cooling plant The Multifuge SSR LR Legend RT is equipped with a high grade cooling plant to meet it s requirements of driving power and compact design The free refrigerant R404A evaporates at low temperatures x 20 C and absorbers through this the frictional heat from chamber produced by the fast spinning rotor 5 fans serve for even air flow through condenser so that the refrigerant s condensing temperature is kept a low level lateral front fans are only switched on if n gt 0 rpm A specially designed coaxial heat exchanger serves for essential undercooling of the condensed refrigerant to ensure an optimum evaporation and a perfect operation of the expansion valve To maintain low evaporation and resultant condensation temperatures on one hand and to support the starting procedure of the compressor on other hand a thermostatic expansion valve with 3 0bara MOP is used The minimum achievable sample temperatures are depending on speed rotor type and a little on ambient temperature After a compensating time given by the pre cooling or pre heating program as optimal result the rotor has reached the sele
68. micro display Protection circuit switch or leads or Check leads and connectors to micro switch 20V interrupted duri connectors to micro in case of a faulty micro switch replace them uring run Switch are interrupted Loose plug connectors Check plug X20 appears in 20V supply for speed protection circuit Interrupted leads to E display by is interrupted at micro switch Check leads to micro switch for continuity supposedly standstill closed lid Defective micro Replace micro switch switch S LID Serisor signal not Latch not in valid appears in Pus position during power Switch unit off and on again display on Edition 04 Servicing Schedule 18 04 02 he AH Page 2 4 Legend RT Multifuge 3S R 3L R Service eK n dr eraeus CARR eec O Error Code Error Possible Error Indication Error Cause Source Corrective Procedure E 01 System clock Hardware fault on Change main board message pulse not stable main board m program bin sequence was Change CPU replace main board message problem disturbed E 03 Internal Software TP message Stack overflow problem No action in the field possible 04 Internal Software ne message Stack underflow problem No action in the field possible Software problem No action in the field possible message watchdog timer E 06 lines to
69. nel 800 see 5 1 1 e Remove the attaching screws and take out the indication board e Unplug the connecting line to main board and transfer to new board e Reassemble the indication board analogously in reverse order check controller identification and refit the front panel 5 2 4 Rotor Indication Board 137 e The sensor board is placed on the motor and fixed at the pins with Loctite It can be easily removed by pulling carefully Edition 03 Servicing Schedule Legend RT 13 0301 he AH 5 2 Multifuge 3S R 3L R SORVALL Heraeus e Kendro 5 2 5 Speed Detection Board 140 Remove the drive with mounting plate see 5 3 2 and deposit upside down Remove the screws and lock washers and take out the board Unplug the connecting line to main board and transfer to new detection board Remount the speed detection board plug position left to back reassemble the unit analogously in reverse order and perform a test run 5 2 6 Fans Condenser fan right side 235 Remove front panel see 5 1 1 Remove main board see 5 2 2 Take fan apart s 2 7 Brake Resistor 255 256 5 3 Remove front panel see 5 1 1 Remove the main board see 5 2 2 Remove housing only in case of resistor change Check the resistance of both brake resistors and replace defective resistor s Check thermos switch on R 2 Check the cleanliness of air louvers and clean them if necessary pay attention to good heat transmission Reassemble the dev
70. ng Plat 1 421 GF INSTRUMENT PARTS DISASSEMBLY OF INSTRUMENT PARTS 51 Housing Casing Parts 1 54 2 52 Electrical Components 1 1 1 1 65293 53 DriveComponents 1 j 534 54 Cooling Plant 1 10 0 10 54 6 _ SPAREPARTFIGURES AND LISTS 1 61 Spare Part Figures 619 62 Spare Part Lists __ _ ___ 7 ____ TECHNICAL BULLETINS 1 _ ___ ___ 8 Preventive maintenancechecklist Calibration Certificate __ tV Edition 03 TABLE OF CONTENTS Legend RT 22 11 01 AH Page 0 2 Multifuge 3S R 3L R SORVALL Service Heraeus e Kendro Service Servicing Schedule yearly procedure recommended 1 Maintenance Routine without Dismantling the Centrifuge 1 1 Electrical Installation and Safety Switch OFF the centrifuge and disconnect the unit from power check voltage supply and mains fusing 16 Amps slow blow characteristic Check condition of plug and wall socket replace defective parts customer s responsibility Check cord condition and fixing connection replace or refit it Check condition of instrument socket and replace it in case of bad contacts 2 1 2 1 2 Location and Mechanical Installation Check the base ground table lorry with lockable wheels etc for resonance free and stable conditions Check for a well ventilated place and sufficient distances to wall
71. nt 537 5 21 27 R28 R29 R30 S21ME4 l E MAGO 2266 R60 1k SMD 100R 100R 100R 100R GND SMD SMD SMD E HEATING x 835 6008 2208 AN D3 Heating 22 R61 R62 R63 R64 S21ME4 i R121 dk SMD 100R 100R 100R 100R GND WAGO 256 602 SMD SMD SMD SMD Edition 04 Main Board 184 Power Supply 04 07 02 AH 4 8 Multifuge 3S R 3L R Legend RT SORVALL Heraeus CARR SCHEMATIC DIAGRAMS sSKendro All IGBT s with heat sink 29 KUNZE KU 3 315 5 20V_switched C28 05 BA159 RESET 1000 2 SMD 25V 8 t I 4 35 D10C D10D 5 158 1 IXGH20NGOBU1 9 8 100n HCNW3120 SMD 4 SMD SMD D108 D10E 5us 7 D C55 10 2 8 100 vec if
72. omponents must not be cleaned with moist detergents For Cleaning the centrifuge housing or its accessories see Operating Instructions section 1 maintenance and care Electronic components Clean dusty components carefully with a dry and soft brush and remove loose dust with a vacuum cleaner Fans Scratch off carefully with a knife or similar tool the crusted dirt from the fans blades Resulting grooves or marks must be removed subsequently with a fine abrasive cloth Loose dirt is to remove with an absorbent cloth or vacuum cleaner Vent holes Remove dirt from the vent grid behind the front panel by using a brush and vacuum cleaner Condensers of cooling plant if available The louvers between the condensers heat air deflectors have to be vacuum cleaned In case of persistent dirt the unit must be carried to an appropriate place where the condensers can be cleaned with compressed air from inside to outside Bended heat air deflectors have to be realigned correctly Edition 04 Servicing Schedule Legend RT 18 04 02 he AH 2 9 Multifuge 3S R 3L R SORVALL Service Heraeus e Kendro 2 7 Electrical Safety Check ATTENTION A final electrical safety check must be performed after each maintenance and or repair e Resistance check of protective conductor The measuring value of the resistance between the mains plug s grounding pin and the grounding conductors of the motor electronic chassis and the casing must not exceed 200
73. s and the operating keys are managed by an own controller unit first identification No 591 in multiplex processing For the programming serves EASYCONTROL II see Operating Instructions Functions of keys elements Easycontrol Function s 51 54 Fd 4 Store or recall programs Pre cooling Open the lid Functions of Indicating Elements Easycontrol Indicat Designation Function Speed in rpm rounded to full 10 rpms Rotor not yet detected xxx HA H7 rcf value xg or not yet possible to calculate H12 Speed range Identifications no s of controller and NV RAMs Lid open condition OPEn Centrifuge run is terminated End Error messages rotor Centrifugal time in h min count down process H13 H15 Time range Count up process hld in h min count up process Actual version number Sample temperature in C 2K when pre cooling or pre heating process is terminated H16 H17 Temperature range H19 20 sss 13 03 01 he 3 3 Multifuge 3S R 3L R SORVALL Heraeus esKendro Key and Indication Board Quickcontrol The key and indication board is mounted behind the operating panel The connection to the main board is done by a 4 pole cable by which the serial data transfer as well as the low voltage supply of 5V is verified The 7 segment displays the control LED s and the operating keys are managed by an own controll
74. s or adjacent equipment without exposition to direct sunlight Check the leveling of the centrifuge drive with use of a spirit level 1 3 Lid Tumbler Mechanism and Safety Device Connect the centrifuge to power and switch ON Check for correct automatic lid closing and self acting lid opening if in disorder readjust lid swivel hinges and or locking devices Check the rubber gasket for lid s and bolt s sealing and replace if damaged 2 1 2 1 2 1 Edition 04 Servicing Schedule 18 For checking the electronically safety circuit start the centrifuge let it shortly run and stop it the lid must not be unlocked by the microprocessor as long as the speed is more than 60 rpm if safety circuit is out of function replace main board 1 4 Cleanliness of Spin Chamber and Motor Casing Open the lid and remove the rotor for loosening turn the T handle Allen key bmm in arrow direction see rim of rotor chamber Clean the spin chamber with a dry and absorbent cloth remove all dust and moisture see also section for Cleaning Check the cleanliness of the motor flange and take care of the annular slot around the motor shaft penetrating fluids can damage the upper spindle bearing or electronics remove fluids with an injector and or absorbent paper 1 5 Rotor and Accessories Condition and Sealing bellows Check the condition of rotors and accessory parts especially all supporting or stressed partitions the rotor an
75. socket replace Displays instrument socket defective parts remain Faulty connection Check connections on CPU indication board from CPU to and connecting leads replace defective o low voltage indication board parts supply for indication board Faulty indication or I CPU board Replace main board completely Interrupted Insert the valid NV RAM and push it Socket or not program correctly into socket correctly placed All dispi Reduced voltage Remedy the failure if the voltage drops 5 CPU program supply lt 10 often use a voltage stabilizer Elements are shortly reset may be illuminated Caused by Bad or missing Check all ground connections and the ground connection ground connection of all boards Constant Interruption Parameter NV RAM No or defective NV RAM Mechanics wear out of motor Replace motor rubber mounts at least Drive rubber mount every three years Defective terminal Check voltage on motor terminal and ood connection faulty winding resistances see test points on 2 lead or motor winding main board separation Electrical result Faulty power electr Replace main board Check voltage for drive motor Locking drive 2AN supply Check switch after power ON not supplied faulty relay K2 Repl th in board with voltage faulty driving circuit PASE No or defective NV RAM Lid cannot be opened Latch motor Faulty motor winding Replace complete motor by key at standstill
76. t Inbal V V M M F E L N T R Ho 0 T T T 1 Heating 224 XRL R123 DB of 8 zi 50 R113 T 0 E n 27 a m 208 L C75 co R28 R20 R22 268 R116 to C112 C82 C7 n z R28 R21 118 c91 L3 K2 c93 J vet vit F2 F1 4 06 eon d 512 R110 R111 v3 v22 c48 cH R61 R82 R63 RG Y 57 ooo oo T Xi L4 R7 RB ath wg 992 109 B3 via vs paz 2125 EE Ls Eun K 6128 cia v24 v6 v2 md T gt HB N na a R145 R134 Ride 6154 R143 C76 za L2 CO Co c2 J CA Cus 027 Ru 011 R25 Lc Crue J Rus 016 9 R118 5 cs Jt 2105 R105 J R31 m l S 7 p A v ET ao ao 0 R24 UE 0 D1 ces Rt CI C23 i p C21 amp R38 renn R17 Vi2 5 0020 0 m a 20 oma o em V26 t 028 6 Laboratory Products R124 oo 038 R117 R119 R120 RYO R102 C70 x16 c 2 c97 R31 C67 ve vem _v37 m R78 R83 1D d m M ea J c25 cs 015 Lt C87 R112 RSS RS p R59 w RSH RSG R58
77. vironment level amp clearance Pre run Checks Ground continuity Line voltage V AC Display segments on power up Door interlock and latch Drive stop amp Door unlatch 50 rpm Fan operation condenser amp drive Mechanical o Motor bearings Microprocessor Initialization if required o Refrigerant leaks if required o Compressor current draw Performance Checks o Acceleration time seconds Revised 21 08 00 1012 Kendro service Information Comments S R Signature Date of Service Revised 21 08 00 2 of 2

Multifuge 3 S-R/3 L-R, Legend RT 120V 50/60 Hz SERVICE MANUAL

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