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SERVICE MANUAL

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3. se INTERNATIONAL EQ TENENT NTERNA TONAL EQUIPMENT ED TERRENOS EL EGUPWENT CO
4. A las 2b ge Ten El 2 LLL u a RCF Radius gt gt i gt ET gt m wa 13 ay w IFSCM DI E my NOTES UNLESS OTHERWISE SPECIFIED 1 WORKMANSHIP TO BE EQUAL TO AND COMPLIANT WITH THE REQUIREMENTS OF IPC A 610 MARK DASH NUMBER AND REVISION NUMBER WHERE SHOWN USING WHITE EPOXY INK j THIS ASSEMBLY CONTAINS ELECTROSTATIC DISCHARGE ESD SENSITIVE DEVICES STATIC FREE HANDLING IS REQUIRED DESIGNATIONS ARE FOR REFERANCE ONLY AND MAY NOT APPEAR AS SEEN ON ACTUAL ASSEMBLY DIMENSIONS SHOWN SPECIFY MAXIMUM ENVELOPE LIMITS FOR THE FINISHED ASSENBLY ORIENTATION OF POLARIZED CAPACITORS IS DENOTED BY A PLUS SIGN POLARITY IS IDENTIFIED ON THE PART VENDOR IDENTFICATION amp BD SERIAL NO TO BE IN THIS AREA PERNANENTLY MARK APPLICABLE REVISION IN THIS AREA PERMANENTLY MARK ASSY NO 44465 IN THIS AREA ASSOCIATED DRAWINGS FOR THIS P C BD PACKAGE ARTWORK SOLDERMASK MARKING MACHINING D 44439 b SCHEMATIC D 10823 APPLY THERMAL
5. ROTOR 228 4 place Swinging Bucket Rotor includes four Cat No 3775 sealed buckets tes Tt see Beet gt singe double pack bags o mm szaawiro24 1500 ETA ROTOR 269 Swinging Bucket Rotor Maximum Mar Max Max Tube Size iced mi Number peti xa cm AAA Centra GP8 GP8R Operation Manual 19 ROTOR 284 4 place Swinging Bucket Rotor Requires four Catalog No 3848 Cups adapters tubes orf wee mte Maximum T woe tube Sze Pica Youre Number Sono BCF maa riko yas us amo 19 T5 microbe CHE 7228 amo ao 109075 Lj 7226 2800 191 1210137 ao o 2 3 1532137 me amo 2060 10297 ions zu amo 380 191 1 os 7220 amo s ws 2 e amo 255037 m se ms zo som EP 5 722 amo so 191 381037 so amo sw ws seas aso 2080 Er mE 2200 198 Em ROTOR 811A Angle Rotor 45 War Radus Max Tube Size og tem OD x Length mm 30307 3500 43707 3425 42607 3620 1000 3330 Shield Maximum Number Speed rpm 4800 167048 1720172 5300 133105 17229 izenor 172114 11 495 1720 ROTOR 822 Fixed Ang
6. Ix le eC eerte Fore mb s melle TACH 7 Test SEE NOTE 1 COMPONENT SIDE LAYER 1 c SEE DETAIL A oF e CONTE DETAL B A PARTS UST A mes ame ser Emmen m INTERNATIONAL EQUIPMENT COMPANY n T m nm na hum RAE 05 09 00 NET ASSY USED on em 05 11 00 ASSEMBLY DRAWING GP8 LOGIC PCB LZ APPLICATION DO NOT SCALE DRAWING Su HO 44465 soue perry wr lt e 6 Part Number 44465 Revision Level 23 PartNumber Description Part Reference XFROOOI 00 TRANSFORMER MNT SIZE 5 12VA m Signal s s24 WSH0006 00 WASHER SS SPLIT LOCK 44 WSHI FOR US WSH2 FOR US WSH3 FOR T2 WSHA FOR 2 GENERIC WIR0004 00 20AWG GRN YEL 1671 WIGND LEAD UCN0001 00 ICMCU ROMLESS m Motorola MCSHCPLIAOP TRIU000 00 TRIAC SA 50 Philips BTA140 500 Test Point TPL TP2 TPA TPS TP6 Mill max 2108 2 00 44 00 07 0 THR0001 00 THERMAL COMPOUND FOR US HS GENERIC SWT0000 00 SWITCH DIP 3 POS si GRAYHILL 78803 SOC0002 00 SOCKET IC28 PIN DIP 6 C C CIRCUITASSY CA2SMSC IE SOC0001 00 SOCKETJC24
7. RES0048 02 RES0047 00 RES0046 00 Jan8 01 44467 18 Description RES CC TK LAN SG GENERIC RES CC 39 1A GENERIC RES CC 330K 14W 5 GENERIC RES 33K 14W 5 GENERIC RES PREC A 32K RW I4 GENERIC RES cC GENERIC RES CC 220K LAW 5 GENERIC RES CC 205K LjAW GENERIC RESPRECASTKUNW IE GENERIC GENERIC GENERIC GENERIC GENERIC Page 4 o Part Reference m RILROS RSI R20 R34 RH RSI RAO R41 RAD ROL R6 R28 R30 R32 RS4 RSS R63 Rod RIT Part Number Revision Level Part Number RES0039 02 RES0037 00 RES0031 02 RES0029 00 RES0021 00 RES0020 00 RES0015 02 RES0012 00 RES0008 00 RES0003 00 REPIOS23 Jan 8 01 44467 18 Description 5 GENERIC RES PREC IK URL RNSSD GENERIC RES CC L3K 14 W 5 GENERIC RES PREC 13 OK SW GENERIC GENERIC RES CC IOK 1A 56 GENERIC RES WIREWOUND 10K 5W 1 SCSE 10K RES CC 100K LAN 59 GENERIC GENERIC RES CC I01AW AG GENERIC RES PREC L IK SW 05 GENERIC ICSWITCHING REG AV National LM25751 5 0 SCHEMATIC PC BD Page 5 of Part Reference 1865 R66 R6 ROS RIO R71 R72 R69 R74 RS R37 R38 R39 RAT RAS RSS RIS RT RS RO RIO RI2 RIS RIS RA RA RAS RAG REPL Part Number Revision Level Part Number RCT0005 00 RCT
8. clean lint free cloth saturated with solvent such as richlorosthyleno 2 Clean the rotor and buckets as described above The cleaning stop is important because only adheres to a clean surface If you are unable to remove foreign matter in this way contact an authorized IEC Service Representative 3 Shake the bottle of BLC vigorously until all the gray sediment at the bottom of tho bottle is dispersed 4 Use the brush applicator cap to apply a light coating of BLC to the bucket slots only Do not lubricate the pins Lubricant will move around the pins during a spin 5 Give the BLC 1102 minutes to dry Buff the bucket slots vigorously with sot clean lnt fee cloth Continue unti no more BLC rubs off onto the cloth The surface will be a shiny light gray Centra GP8 GP8R Operation Manual Corrosion Storage Decontamination IEC manufactures and finishes rotors and structural accessories to give maximum resistance to corrosion However maximum equipment life requires that you continually inspect the rotor cavities for corrosion especially after using chloride ion solutions such as sodium chloride Saline and sodium hypochiorite household bleach Those solutions attack most metals Clean the rotor rotor chamber and accessories particular the sample compartments and bucket cups thoroughly after each such use Inspect all surfaces under bright light for corrosion small crevices will grow deeper and
9. apa e uje e e ww w ine CA A A e mete aes BRE sIN e e N E s E N ETEL Ele TEIN NINE Prisci aac hydrocrbans wonane F N F IW WIS Y BIBI La 7 pars Ss P TERES Ir Ic NEO PA POLYALLONER A POLUCAHBUNA E SS SIANLEBSSIEHL AL ALU DOLYDROPYL ANE NE MANGANESE BRONZE NL VODFIED THENYLENE OXIDE MOR FR PUSEER DN ACETAL HOMOPOLYMER DELRIN EN BUNAN ON ACETAL COPOLYMER w uron PS POLYSTYRENE Oe Chand He Not Recommended 24 Centra GP8 GP8R Operation Manual 44 Decontamination Table Steriizston Wethede Fasc Mer Dee ELE STWTUTSTW UTSTSTSTU STS TS 8T 8 STSTUTS ethylene Oxide Gas s s s sls s s s s s s uru s s s Ina ae Jolololutofotutututofsistuls s V TOTUTU V ano STS STS TU ST STS USS TST SSS STS 10 remain s srsisqju sis sis u s s s 5 than s s s s w s s s v s s s s s s s s s Peron S S S
10. Ia fuse blows he shor croun is n the power entry module transormer or ine fiter Unplug ho unt and locate the fated component using an ohmmeter fuse was not blown unplug the unit replace connector J3 and Ssconnec he other connectors J1 2 5 and J6 Plug unit back in and ir a tuse replace the creuit board Otherwise unplug the unit and reconnect one of he connectors J1 through 6 Plug ne unit back i ia fuse does blow reconnect connectors one ate in the above manner und a fe blows Search forie short in last component connected before th fuse a2 Contra GP8 GPAR Service Manual 10 CIRCUIT BOARD 10 1 General The circuit board contains the folowing devices Amieroprocsssor that senses the conii panel input and activates he various devices in accordance wih e programming An EPROM Erasable Programmable Read Only Memory containing he programming In special situations the factory may issue a revised EPROM m order lo change the unde operan ANOVRAM Non Volatio Random Access Memory tht stores cumulative information such as elapsed operating hours and brush Wear hour Y also stores user setings A keyboard encoder chip that processes signals the keyboard various discrete components at fiter or ampli to and from the microprocessor Service does not troubleshoot boards to component lvl Schematics and pars ist
11. MB THER See 7 89 MC 5 oe n Sen em Ix le eC eerte Fore mb s melle TACH x 7 Test oem SEE NOTE 1 DETAL B COMPONENT SIDE LAYER 1 c SEE DETAIL A e 25 PARTS UST n 3 T Emmen Wo m mnm INTERNATIONAL EQUIPMENT COMPANY onto hum RAE 05 03 00 NEXT ASSY USED on Gi RAE 05 1 00 ASSEMBLY DRAWING GP8 LOGIC PCB 1 HO APPLICATION DO NOT SCALE DRAWING 44407 cuc perry wr lt e 6 Part Number 44467 Revision Level 18 Part Number Description Part Reference XFROOOI 00 TRANSFORMER PC MNT SIZE 5 12VA m Signal 15 24 WSH0006 00 WASHER SS SPLIT LOCK 44 WSHI FOR US WSH2 FOR US WSH3 FOR T2 WSHA FOR 2 GENERIC WIR0004 00 20AWG GRN YEL 1671 WIGND LEAD UCN0001 00 ICMCU ROMLESS m Motorola MCSHCPLIAOP TRIU000 00 TRIAC SA 50 Philips BTA140 500 Test Point TPL TP2 TPA TPS TP6 Mill max 2108 2 00 44 00 07 0 THR0001 00 THERMAL COMPOUND FOR US HS GENERIC SWT0000 00 SW
12. National MM74C923N Page 7 of Part Reference MI M2 M6 Ds20 DS21 DS22 DS23 DS24 0525 Dsos DS26 DS29 DS30 DS31 0532 0533 DS34 0535 DS36 0537 DS38 DS39 DS40 0541 DS42 DS3 DSS 057 058 059 DS10 DSI3 0514 0515 0516 05170518 0519 Ds27 DS DS2 DS11 0812 un vis vis un 15 Part Number Revision Level Part Number 1CD0017 00 ICD0015 00 ICD0007 02 ICD0002 00 ICA0029 00 ICA0013 00 ICA0010 00 HSK0016 00 HSK0009 00 FUS0009 00 FUS0005 00 Jan 8 01 44465 23 Description 1C DUAL OP AMP CMOS National Lucr ICCMOS HEX SCHMITT INV National IC RAM CMOS NON OLOKXS Dallas Dsi20AD IC CMOS OCTAL3 STATE Motorola 1C CMOS QUAD 2 INPUT NAND Motorola MCTAHCOON 1C DISP DRVRS SEG Maxim MAXT29CNG 1CJ TRANS ARRAY O CNPN SPRAGUE ULN20034 Ic UNDERVOLTAGE SENSE Motorola HEATSINK 220 CLIP ON 56802 B04000 HEATSINK MACHINED FUSEPAST 1A 250V 5X20 Schuner nans FUSE SLO BLO 12 5A 25V 5X20 Schuster 0343128 FUSES X 20MM SLO BLO 6 3A 250V Schurer 034 3125 Page of Part Reference m Vis 020 vis unus vas vius vio un HSK2 FOR VRI n Part Number Revision Level Part Number FUS0003 00 FET0005 00 DIOQ009 00 D100003 00 D100002 00 CRY0001 00 CCON0046 00 CCON0020 00 CO
13. S S V SV S S 5 S V S ST S 100 Hydrogen s s s s 5 S15 5 5 S V V S S E Salton qo vw jv VW V V V S 9 Rows ewe Agents Hong PA POLYALLOMER TI TTANUM p PR POLYETHYLENE AL ALUMINUM PU POLYURETHANE Va MAGNESIUM MODIFI PUP OMIT RUNDET DN ACETAL HOMOROLYMER DELRIN BN RUNAN AGETAL COPOLYMER VITON M MARGINAL NN NYLON PF PHENOLIC FIBER USUNSATISFACTORY PS POLYSTYRENE PT PAINTED SURFACES This chart describes the material compatibility of various sterilization methods H does not specify the adequacy of sterilization Refer to section 4 4 Chemical Resistance Table for material compatibility during centrifugation Centra GP8 GP8R Operation Manual 25 4 5 Nomograph Beh i ET i E P PENE 2 EME remm PE Z mum RUP Sa i pL To Calculate ner Foote Cont Fuga Farce grat hL HB n id Estudis 26 Centra GP8 GP8R Operation Manual 5 1 Cleaning 5 MAINTENANCE Keep your centrifuge clean to ensure good operation and to extend its life Clean the entire sample chamber rotor and lid at the end of each workday and also right after an
14. 36 Centra GP8 GPAR Service Manual 8 CABINET 8 1 Control Panel Removal Atter unplugging he unit removal the control panel allows access to many intemal components Iti easly removed using a Philips head and at screwdriver The Centra GP8R wil have small panel on the side Which must be removed prior to removal of e main panel Remove he two Screws in the face o the panel using the Philips head screwdriver Both lower sides ot panel have slots Place the fat screwciver p n hese siots and gent pul o handle towards you This fees the pins that hod he botom ol tho panel in place Take care to avoid cosmetic damage to the unit The panel is secured to th tp of he ura by 3 pins across the top To remove it grasp he panel by its bottom comers and pull toward you 8 2 Cabinet Housing Removal Before removing he cabinet housing the rat contol panel must frst be removed ses Section 1 and al Ihe harnesses to dsconnocted bots securo the cabinet housing to the base on these uns Along the of each side there are 3 and below ine ran control panel area and inthe rear there are 3 onthe and one They are removed Using 516 inch wrench The cabinet housing Ets of he base talong the Cover and interlock assemblies with 83 ImterlockSwitches The interlock switches sense the status of the cover open closed in order to disable the start of a run with e cover open Th
15. 49 The operation of the braking system can be veriied using voltmeter Tho folowing procedure requiras operation of th uni with power applied and the front control panel removed Use caution to avoid electric shock see Section 71 Cautions Remove tha front control panel Section 8 2 and locate connector 42 labeled MOTOR on he board Plug unit in and very that a proper loaded rotor is instale Select an appropriate speed and me and tan a Selecta brake seting 1 5 lights and press the stop button Use a votmeter to measure tha DC voltage on pins 1 white and 6 violet The voltage shouldbe above 30 valts at speeds above 2000 rpm Volage should remain around 30 vols n the folowing speed ranges depending settings Brake Seting Speed Range Brake Mode 5002000 rpm Brake Coast rom 500 rpm 2 5002000 rpm Brake Halt Brake trom 500 250 2000 rpm Brake Coast rom 250 rom 4 250 2000 rpm Brake Half Brake trom 250 rpm 5 1002000 pm Ful Brake When voltage is being applied tho RUN LED shouid be it and the BRAKE LED f present should not be it When the unit goes into coast the RUN LED wil go out and he BRAKE LED f present wil come The voltage wil be decreasing al brake below 00 rpm on setting 2 and below 250 rpm on seting 4 The votage should drop to 0 coast below 500 on seting 1 and below 250 rom on seting 3 Somewhere below 100 pm in al modes both LE
16. CER 0 01UP s0V AVX SR2ISCIOSKAA MONO CER0 1URSOV Mallory M21045 ELECT 220UF 16V nois Cap 227CKR016M ELECT I00UFASV nois Cap 108CKR035M Page 10 of Part Reference C22 C32 C38 C40 C45 CSS Ca CS C59 C68 croco cscsciscis ceci ci cia cia csoCsI Cs C21 23 C24 C25 C27 C28 C29 CAD CSI C33 CM C35 C39 C41 C44 C46 CA8 CS4 C58 C63 C66 C C60 cis Part Number Revision Level Part Number BPRO000 00 ADH0000 00 p pH Descripti Becper Piezo PC MNT Piczo Electronics MBO2P LOCTITE ADHESIVE Loctite m ASSY MARKING PC Page u E u Part Reference ADHI FOR US
17. cause failure If you soe any corrosion remove it immediately as follows 1 Follow the cleaning procedure at the start of this section Soak the partin the mild hand dishwashing detergent Scrub the part thoroughly with a stif test tube brush having end bristles and a non metalictip gt Soaktho partagain in clear warm water for at least an hour 3 Rinse the part thoroughly in warm water frst then in distiled water A Dry the part thoroughly with a clean absorbent cioth 5 procedure does not remove the corrosion discontinue use of the part Store parts on a soft surface to avoid damaging finished surfaces Rotors and other parts should be clean and dry for storage Store them open to the atmosphere notin a plastic bag so that any residual moisture wil evaporate The parts should face downward to avoid retaining moisture in the cavities Decontamination is called for if tube breakage occurs and infectious pathogenic or radioactive material is released into the unit Some rotors totally contain the sample tubes In this case spillage is usually confined to tho rotor If so it may bo sufficient to decontaminate the rotor The Decontamination Table lists the sensitivity of various materiais to sterilization procedures When using 1 10 10 dilution of household bleach sodium hypochlorite to decontaminate the chamber metal rotors or accessories follow decontamination by the corrosion cleanin
18. propor installed select an appropriate speed and Star tha unt Once the motors tuming very that he blower power should be present by checking the FAN LED If the LED approximately 120 Vots AC should be present I voltage is present and ie blower does not parate check the amass If e hames s good replace the blower he voltage is not present when the LED ist replace the board Replacement of the blower is made easier the unt can be placed between two labios This alows easy access to the bottom of he unit The blower amp held in lace by 4 screws Remove the 4 screws and fan shroud rom below Remove the divo assembly see section 11 1 Sido the blower over and remove it up rough the guard bow The Centra GPS and featur sx deceleration modes max brake 5 LEDs through min brake 1 LED and coast no brake no LEDS The bake requires seco it wih a fuly loaded rotor and operating at hat rotora maximum allowable speed the deceleration tme in the brake mode is not less than the deceleration tme in coast no brake The brake resistor is mounted to the base of the unit and is surcunded by a heat sink The vao of the resistor is 10 p The resistor is n the motor rcu s i the motor or brake co not work check the eestor To measure the resistance locate and disconnect 12 from the board Measure across pins 5 an 6 both violet Both leads should read open when measured rouna Centra GP8 GP8R Service Manual
19. t the COMPR LED is and voltage IS not present replace e board 1 votage is present and ihe compressor or fan are not functioning have he condensing und checked by a quad reigeraton service peros M no white lead is present here use 43 pin 1 neutral The thermistor is located inside the chamber of the Centra GPaR proper operation can be vertied by taking ts resistance at various temperatures To io this rs remove the front control panel see Section 8 1 Locate Connector JS labeled IMBITHERM onthe board and disconnect L Measure the resistance across pin 2 red and pin 4 red 25 C approximately room temperature the resistance shoud be 2252 y 0 C achieved by packing ice around thermistor the resistance should bo 7355 f f thes Values are not verified or if an open or short circ are detected the thermistor should bo replaced Centra GP8 GP8R Service Manual 51 To replace the thermistor open the cover and remove the ont control panel see Section B2 Locate he thermistor inside tho boul towards the ront of ne unit Unserew and remove in outer plaste housing around the thermistor Side the fnermtor down trough te guard During production thermistor is sealed n place using RTV To exact the tis sealant must be removed using the blade of a smal screwdrver or tool Disconnect he hamess and instal the new hereto the same manner To ensure is proper operation be
20. the threads could be damaged Rotor Removal Use the IEC Part No 1787 wrench to loosen the hex nut which holds the rotor to the shaft Remove the nut by turning it counterclockwise Use both hands to keep the rotor horizontal and pull the rotor up and of the shaft Periodic lubrication of the taper with BLC seo Section 5 1 will assure easy rotor removal Adding Rotors new rotors are released by IEC the rotor number and radius can be added to the rotor menu To do so press the hidden key located behind the in IEC Prog x x will appear Press RPM arrows unti rotor Add appears Press the file key and Rotor will appear next to the Rotor Radius display Press an arrow key under the rotor display to select the new rotor number Press the file key Radius appears Use arrow keys Centra GP8 GP8R Operation Manual Deleting Rotors to select maximum radius Press file key again RPM wil be illuminated Use the RPM arrow key to select the maximum RPM for the rotor Push again Unit beeps three times to acknowledge addition of rotor Press C in IEC to retum to normal operation Note Up to five rotors may be added to memory When the rotor memory is full the unit displays FUL under the rotor symbol Push C in IEC Use RPM arrows to scroll to rotor Add Use the time arrows to select instead of Add Press key Rotor appears Use rotor arrows to select rotor to be deleted Press file key to delete Un
21. 0 C in 1 increments The display range is 9 to 45 C and the accuracy is 1 0 from 2 C to ambient Ifthe actual temperature is not within 5 of the set temperature when the run button is pressed the run wil start a beep will sound for 1 5 seconds to alert the user and the temperature display will alternate between the set point and the actual temperature until the chamber temperature is within 5 of the setting The display under this symbol indicates either the rotor speed RPM the Relative Centrifugal Force RCF Speeds are shown in increments of 10 rpm RCF is shown in 150 increments below 100xg and 10xg increments above 100xg Speed can be sot between 500 and 6000 rpm in 10 rpm increments RCF can be set in 1xg increments up to 100g and 10xg increments from 100xg to 4630xg When entering speed the last digitis fixed at zero and cannot be changed The accuracy of the speed contro is 10 rpm This button toggles between RPM and RCF When RPM is selected the speed indicator displays revolutions per minute When is selected the speed indicator displays relative centrifugal force and tho rotorradius indicator displays either the rotor number or tho rotor radius is only indicated when a rotor number has been selected in the rotoriradius display Time can be set in 1 second intervals up to 59 seconds 15 second intervals from 1 to 5 minutes and 1 minute intervals from 5 to 360 minutes During a run tho dis
22. 0003 00 PRF0011 00 PREODIO 00 PREODUO 00 PRFODOS 00 PRFOOOT 00 PRF0006 00 OPT0004 00 NUTOQQ0 00 MOV0001 00 pu 44467 18 Description POWER MODULE SCR BRIDGE DIODE BRIDGE PERE BD 062 THK 03 X 09 GENERIC PERE BD 062 THK 02 X 03 GENERIC PERE BD 062 THK 6X 0 7 GENERIC PERF BD 062 THK 08 X LA GENERIC PERE BD 062 THK 08 X 26 GENERIC PERE BD 062 THK 0 X 16 GENERIC ICOPTO ISOLAC SWITCH Motorola ICOPTO ISOL TRIACOXING Maack MT303220 IC OPTO ISOL SCRA00V GENERIC MOV 275V 115I GE EDAL 27SLA20A Page 6 of Part Reference us BR XDS30 XDS34 XDSST XDSH XDS26 XDS27 XDSI XDS2 XDS11 XDSI2 XDS6 XDS XDSI3 XDS17 XDS3 XDS5 XDS XDSI0 vs uas u u NUTIEOR 2 NUTAFOR T2 NUT3 FOR US NUTAFOR US Ms Part Number Revision Level Part Number MOV0000 00 LED0024 00 LED0008 00 LED0007 00 LED0006 00 LED0005 00 IND0000 00 ICD0049 00 ICD0040 00 ICD0020 00 ICD0019 00 Jan 8 01 44467 18 Description GE VISULA20A LED RED RND IC C HLEFE up HLMP 3300 LED GRNRECT LED YELRECT HLMP 1300 DISPLAY S SEGRED C CATH HDSP Hi03 LED REDRECT HLMP T200 LED DUALREDRECT Ledironics LTLSTETSHR COIL AXIAL LEAD amp 20HY 1A Renco RLI283 820 IC CMOS QUAD 2 INPUT OR Motorola MC74HC32N 1C CMOS3 TO DECODER Moto
23. 1 00 pu 44465 23 Description POWER MODULE SCR BRIDGE Crydom DIODE BRIDGE PERE BD 062 THK 03 X 09 GENERIC PERE BD 062 THK 02 X 03 GENERIC PERE BD 062 THK 6X 0 7 GENERIC PERF BD 062 THK 08 X LA GENERIC PERE BD 062 THK 08 X 26 GENERIC PERE BD 062 THK 0 X 16 GENERIC ICOPTO ISOLAC SWITCH Motorola ICOPTO ISOL TRIACOXING Maack MT303220 IC OPTO ISOL SCRA00V GENERIC MOV 275V 115I GE EDAL 27SLA20A Page 6 of Part Reference us BR XDS30 XDS34 XDSST XDSH XDS26 XDS27 XDSI XDS2 XDS11 XDSI2 XDS6 XDS XDSI3 XDS17 XDS3 XDS5 XDS XDSI0 vs uas u u NUTIEOR 2 NUTAFOR T2 NUT3 FOR US NUTAFOR US Ms Part Number Revision Level Part Number LED0024 00 LED0008 00 LED0007 00 LED0006 00 LED0005 00 IND0000 00 ICD0049 00 ICD0040 00 ICD0020 00 ICD0019 00 Jan 8 01 44465 23 Description Mov GE VISULA20A LED RED RND 1C CHLEFP up HLMP 3300 LED GRNRECT LED YELRECT HLMP 1300 DISPLAY S SEGRED C CATH HDSP Hi03 LED REDRECT HLMP T200 LED DUALREDRECT Ledironics LTLSTETSHR COIL AXIAL LEAD amp 20HY 1A Renco RLI283 820 IC CMOS QUAD 2 INPUT OR Motorola MC74HC32N 1C CMOS3 TO DECODER Motorola IC CMOS EPROM National NM27C512Q250 IC CMOSLATCHA BIT ALLEGRO UCNSSOA IC CMOS KEYED ENC R 5X4
24. 1 Speed And Force Tables 4 ACCESSORIES ROTOR 216 4 place Swinging Bucket Rotor includes four Cat No 3165 buckets o imme En 240 2440 FakconiCorring plastic conical 295x130 2070 2461 PY 2390 295x126 174x128 32 so 5703323 EY s 5 5704 295x125 e fioo 5704 ETT 5780 Er 524138 soo E ZE n Single double pack bags W120 Centra GP8 GP8R Operation Manual 7 Rotor 218A 4 place Swinging Bucket Rotor includes windshield cover and four cat no 3218 buckets War Adapter Maximum Radus Max Tube Size Number Speed irom em O D x Length mm 5737 microtube 5737 04 microtube 5737 3600 Microtainer 5827 4600 75 1520 microtube EZ 180065 5 izena 5827 sms 600 as sons 18 0 127 Falcon Coring Conical Falcon Coring Gonical Falcon Coming Conical 175x128 PY Falcon Coming Conical Falcon Coming Conical PY 534139 534127 534139 Em 773x145 Single double pack 86x128 Microscope sides Centra GP8 GP8R Operation Manual
25. 3127 and 3129 Locate the power entry module on tho lower left side of tho unit On tho right side of the modulo is the fuse drawer small latch on tho left holds this drawer in place Press tho latch and slide the drawer out If the number visible in the window differs from the voltage at your site remove the square insert rotate it and reinstall it so that tho correct voltage is displayed through the window Fuses Install appropriate fuses forthe voltage at your ste Centra GPB amp Centra GPB K model 3121 3123 43127 Wo 16A fuses for 100 120 V or two 6 3A fuses for 220 240 V Contra GPBR amp Contra GPBR K model 3122 3124 3128 These models have no insert or window and are already configured for use with 120V 60 Hz only Contra GP8R amp Centra GPBR K model 3125 3126 3129 16A fuses Ensuring thatthe fusos aro securely in place reinstall the entire drawer in the side of the centrifuge Power Entry Module Fuse Drawer aoh Z Fue a Fuse Braer Remove ara N EEIT Lee RE Window POWERENTRY MODULE CAE Circuit Breaker Centrifuges are fitted with either a single pushbutton circuit breaker or a dual pushbutton switch circuit breaker The dual pushbutton swich circult breaker may be used as an On Off switch for the centluge as follows The circuit breakers are located in tho base of the centrifuge The dual pushbutton swicth circuit breaker is i
26. 8 F 375 bs GPERIF 3755 3121 GP8 100 120 220 240 Vac 50 60 Hz 10 A 3122 GP8R 120 Vac 60 Hz 15 3123 GPB K 100 120 220 240 Vac 50 60 Hz 10 A 3124 GPBRIK 120 Vac 60 Hz 15 A 3125 GPBR 200 220 240 Vac 50 60 Hz 10 3126 GPBR K 200 220 240 Vac 50 60 Hz 10 Viewportin cover for speed verification Specifications subject to change without notice Centra GP8 GP8R Operation Manual 33 74 7 SERVICE 195 and Cautions Warnings The folowing hazards exist in servicing he Centra GPS and Centra GPR The unit uses AC power and some the service procedures require poration with he cabinet or contral panel of exposing power no This introduces the risk ot electrical shocks Do not touch exposes vires without rst unplugging te uni There is no power switch hat provides a sale alternative to unplugging the unit The On switch on te control panel activates the control panel and the Tetigeraton unt of he Turing his swich of does not remove power hom the cut board any other intemal Components Soma components on the board operate at high votage Do not touch components on he board when he power cords plugged in The Contra GP8R uses pressurized refrigerant gases that are potential asphysiants Al maintenance on tn refigeraon unit Should bo perormed in a woltvontisted area Ii becomes necessary to discharge or recharge the relgeraon system this por
27. C RES CC 330K 14W 5 GENERIC RES 33K 14W 5 GENERIC RES PREC A 32K RW I4 GENERIC RES cC GENERIC RES CC 220K LAW 5 GENERIC RES CC 205K LjAW GENERIC RESPRECASTKUNW IE GENERIC GENERIC GENERIC GENERIC GENERIC Page 4 o Part Reference m RILROS RSI R20 R34 RH RSI RAO R41 RAD ROL R6 R28 R30 R32 RS4 RSS R63 Rod RIT Part Number Revision Level Part Number RES0039 02 RES0037 00 RES0031 02 RES0029 00 RES0021 00 RES0020 00 RES0015 02 RES0012 00 RES0008 00 RES0003 00 REPIOS23 Jan 8 01 44465 23 Description 5 GENERIC RES PREC IK URL RNSSD GENERIC RES CC L3K 14 W 5 GENERIC RES PREC 13 OK SW GENERIC GENERIC RES CC IOK 1A 56 GENERIC RES WIREWOUND 10K 5W 1 SCSE 10K RES CC 100K LAN 59 GENERIC GENERIC RES CC I01AW AG GENERIC RES PREC L IK SW 05 GENERIC ICSWITCHING REG AV National LM25751 5 0 SCHEMATIC PC BD Page 5 of Part Reference 1865 R66 R6 ROS RIO R71 R72 R69 R74 RS R37 R38 R39 RAT RAS RSS RIS RT RS RO RIO RI2 RIS RIS RA RA RAS RAG REPL Part Number Revision Level Part Number RCT0005 00 RCT0003 00 PRF0011 00 PREODIO 00 PREODUO 00 PRFODOS 00 PRFOOOT 00 PRF0006 00 OPT0004 00 NUTOQQ0 00 MOV000
28. CLUSIVE REMEDY FOR ANY CLAIM OR DAMAGES IN CONNECTION WITH THE SALE OR FURNISHING OF GOODS OR PARTS THEIR DESIGN SUITABILITY FOR USE INSTALLATION OR OPERATION IEC WILL IN NO EVENT BE LIABLE FOR ANY SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER AND OUR LIABILITY UNDER NO CIRCUMSTANCES WILL EXCEED THE PURCHASE PRICE FOR THE GOODS FOR WHICH LIABILITY IS CLAIMED IN SOME INSTANCES UNITS MAY CONTAIN RECONDITIONED ASNEW PARTS 30 Centra GP8 GP8R Operation Manual 5 6 Condi n of Returned Equipment Before returning equipment to IEC you must contact IEC s or your dealer s service department to obtain a return goods authorization RGA All returned units must be decontaminated free of radioactivity and free of hazardous and infectious materials The RGA paperwork includes a certificate for you to sign indicating that you have performed these steps will not accept the shipment unless this signed certificate accompanies 1 You must prepay transportation to the service depot 5 7 Table of Spare Parts GPS and GPB K 3121 3123 and 3127 50058 Fuse 16A 100 120 V 9946 Fuse 6 3A 220 240 V ama Rotor Locking Nut 1787 Rotor Locking Wrench 7133 Bonded Lubricant Coating BLC 49801 Brushes pair 43177 Line Cord Domestic 43312 Line Cord International 554364 5 16 Magnetic Socket GPBR and GP8R K 3122 3124 and 3128 ama RotorLockingNut 1787 Rotor Locking Wrench 7133 Bonded Lubricant
29. CONPOUND BETWEEN US AND HSK1 BEFORE ATTACHING HARDWARE CAUTION DO NOT OVER TICHTEN 051 0519 0526 0528 DS30 DS34 0537 0541 ARE MOUNTED ON SOLDER SIDE DS3 DS7 DS10 0513 0519 DECIMAL PT FACES BOTTOM OF THE BOARD DSB AND DS9 DECIMAL PT FACES TOP OF BD FUSE CLIPS NOUNT STOPTABS AWAY FROM FUSE REMOVE TAPE THAT COVERS VENT HOLE ON TOP OF RLY INEDIATELY AFTER PWB ASSY CLEANING SET DIP SWITCHES Swi TO 123 orr OFF CONNECT PCB GND LEAD NOTE 9 NOTE 8 NOTE 7 zone WY DATE DATE APPROVE ED RAE 05 09 00 5308 05 1 00 RAE 2 RAE 01 03 01 5682 01 23 00 RAE e tt a INTERNATIONAL EQUIPMENT COMPANY yas jas MB THER See 7 89 MC 5 oe n eee em rem ene hem em
30. Coating BLC 49801 Brushos pair 43177 Line Cord 65436A 5 16 Magnetic Socket Centra GP8 GP8R Operation Manual GPBR and GP8R K 3125 3126and3129 50058 Fuse 16A Em Rotor Locking Nut 1787 Rotor Locking Wrench 7133 Bonded Lubricant Coating BLC 49801 Brushes pair 43177 Line Cord Domestic 43312 Line Cord International 65436A 5 16 Magnetic Socket 5 8 Fuses Not Replaceable By The Operator Three internal tuses are not replaceable by the operator Those fuses should only be replaced by qualified service personnel Fi 125A 250V F2 63A T _ 250V F3 FAST 25V 32 Centra GP8 GP8R Operation Manual Maximum Speed Maximum Force Maximum Capacity Refrigeration System Heat Output Power Requirements Dimensions a Cover open b Cover closed Width d Depth Shipping Weight Ordering Information 6 SPECIFICATIONS Ps 17in 23in 26 in 5600 rpm 811A angle rotor 4600 rpm 218 windshield rotor 3400 rpm 216 horizontal rotor 4630 xg 822A 3000 mi 21612181228 rotors Sealed 1 2 hp compressor to maintain guard bow at 2 C at full speed with 218 rotor Refrigerant is R 22 GPS 630 Watt 2150 BTU hr typical 880 Watt 3000 BTU hr typical 100 120 220 240VAC 10 50 60 Hz GPBR K GPBRIF 36in 4515 san 1710 2610 35 in 30i 20i 27 27 in GPe 200 bs 270 bs 240 bs GPERIK 280 ibs GP
31. Ds wil go out and the voltage wil drop 0 50 Contra GP8 GPAR Service Manual 12 1 General 12 0 REFRIGERATION 12 2 Thermistor The retigerati system of the Centra features 1 2 hp 960 Hz compressor utilizing 7 5 oz of 22 regeram and is of maintaining a chambar temperature of 2 C ven appropriate rotor speed and ambient Temperature Tho condenser dissipates heat from the refrigeration system tothe atmosphere Itrequres ventiaton for proper ar low To ensure t lean any dust or dt from the condenser tos and the ventlation rl Straighten any bent ins and 8 em 3 inches clearance on all sides of Teiigerston gril Do not operate the retigeraton system e fan i not working corectly Note There s thirty second delay before restarting he compressor To verity voltage to the condensing unit use the folowing procedure It requiras operation ofthe urit wih power applied and ont control panel removed Use caution to avoid electric shock see Section 7 1 Cautions Select a lower temperature than ambient and select the Rapid adi program Remove the font control panel see Section 8 1 and locate connector labeled REFRIFAN on the board With rotor property installed in the chamber a run and use an AC volete lo measure votage to the condensing un The voltage can be read across pins 1 Back and 2 unto and shouid be 120 vals AC on domest models and 220 volts AC on intemational models
32. GE q ARTWORK SOLDERMASK MARKING MACHINING D 44439 b SCHEMATIC D 10825 11 APPLY THERMAL CONPOUND BETWEEN U5 AND HSK1 BEFORE ATTACHING HARDWARE CAUTION DO NOT OVER 12 051 0517 0526 0528 0530 0534 0537 0541 ARE MOUNTED ON SOLDER SIDE 053 057 DS10 0513 0517 DECIMAL PT FACES BOTTOM OF THE BOARD 058 AND DS9 DECIMAL PT FACES TOP OF BD 13 FUSE CLIPS MOUNT STOPTABS AWAY FROM FUSE 14 REMOVE TAPE THAT COVERS VENT HOLE ON TOP OF RLY INEDIATELY AFTER PWB ASSY CLEANING 15 SET SWITCHES SWI 10 1 2 3 on OFF OFF 16 CONNECT PCB GND LEAD NOTE 9 NOTE 8 NOTE 7 REV WY DATE EGG DATE APPROVED RAE 05 09 00 5308 05 1 00 RAE D RAE 01 03 01 5682 01 23 01 RAE e tt a INTERNATIONAL EQUIPMENT COMPANY yas jas
33. GPS and GPER can be accessed via hidden key fon the control panel They can be useful during servicing ot tne unt These funcions can oniy be activated when the unt is at rest not rumning and not in an Error Code or Warning Message site When in he Special Function Mode the contrai panel displays and keys assume diferent functions than in ho normal operating state fun cannot be started while in the Special Functions The Special Funcion name is shown inthe RPM display and related information appears in other displays The specal functions be scrolled by pressing the RPM selecton arrows The Special Funcions Mode E entered and exited by pressing th C in he IEC logo The folowing aro tho names and descriptions of the Special Functions Prog Program Vecino Number Tre currently installed program Version number appears he MINUTES Plac Program Lock lows user program 1 35 to be locked Le moi modfiabie the standard operators interface rotor ASADEL Ad Delele _Asows user to add new rotors othe Tetorradus display lat rese User Programs Allows al user definable programs in the NOVRAM to be reset by pressing he File key under he PROGRAM cisplay Three short beeps indiate alie programs have been reset CCentra GP8 GP8R Service Manual 10 5 Test Points brush Brush Counter The number hours running tme since the Brush Lie Counter was last reset is shown n h
34. ITCH DIP 3 POS si GRAYHILL 78803 SOC0002 00 SOCKET IC28 PIN DIP 6 C C CIRCUITASSY CA2SMSC IE SOC0001 00 SOCKETJC24 PIN DIP 6 C C CIRCUITASSY CA 4MSC IF SOC0000 00 SOCKET PIN SCC xui CIRCUITASSY CA 48MS 1F ssxBo000 00 SNUBBER RESICAP SNISN2 MALLORY 104M060C22 SCW001600 SCREWSS PAN HD 4 40 05 LG SCWHEOR US SCWAFOR US GENERIC Jan 8 01 Page 2 o dl Part Number Revision Level Part Number SCW0009 00 RSN0005 00 RSN0004 00 RSN0003 00 RSN0001 00 RLY0014 00 RLY0013 00 RLY0012 00 RLY0011 00 RES0135 00 RES0134 00 RES0109 00 RES0101 00 Jan 8 01 44467 18 Description GENERIC RES NETWORK 9X220 S1P 10 Boums 310 101 221 RES NETWORK 9X330 SIP 10 Boums 4310 101 331 RES NETWORK 9X4 7K SIP 10 Boums 4310 101472 RES NETWORK SX10K DIP 16 Bours 4116 001 103 RELAY SOLID STATE 25A 315VDC CRYDOM PP240D25 RELAY SPDT 20A 12V TDAs sp12 012 RELAY SPDT 20A 12 VDC AROMAT MIAGDCIZ RELAY DPDT 304 120VAC T92811D12 12 GENERIC RES cC aw s GENERIC RES CCATK LAW 5 NERIC RES PREC 40 2k 146 GENERIC Page 3 of Part Reference SCWAFOR 2 SCWAFOR T2 RPI RPS RLY3 RLY4 RLY RISRIO R22 Part Number Revision Level Part Number RES0009 00 RES0002 02 RES0088 00 RES0083 02 RES0073 00 RES0065 00 RES0062 00
35. N0018 00 CCON0015 00 Jan 8 01 44465 23 Description FUSE CLIP PC MNT TIN PLT Schurer 06751 0062 MOSFET N CHANNEL SWITCHING Motorola DIODE SIGNAL National ananas DIODE 1A 600v Motorola DIODESCHOTTKY 4A 250V Motorola CRYSTAL PIN MP 1 3L4 000MHZ TERMINAL FASTON 18 22 AWG 250 Amp CONNECTOR PC MNT 5 PINSTRT Amp 6409001 CONNECTOR PC MNT 6 PIN Amp 350827 1 CONNECTOR PC PIN STRT Amp 3507921 Amp 6104092 CONNECTOR PC PIN Amp 640498 2 CONNECTOR PC MNT 6 PIN STRT Amp D Page 9 o Part Reference FCI FC3 FCS FC DIA DIS D16 DIS D19 Di DS D6 D12 DIT Dis TRMIFOR WI n s E 15 Part Number Revision Level Part Number CCON0001 00 CAPOI2000 CAP0086 00 CAP0085 00 CAP0083 00 CAP0082 00 CAP0049 00 CAP0048 00 CAP0042 00 CAPo016 00 CAPOD15 00 Jan 8 01 44465 23 Description HEADER PCMNT 13 PIN AGT ANG Amp 11033253 Kemet T362A105K035AS TANT I0UF ISV Kemet T362A106K015AS POLY FILM 022UF 400V 7 oiPI 022 00V POLY FILM AUF 400V Panasonic ECQ MAI0UB POLY FILMOHIUF A00V Nichicon POLY FILM 0087UF 400V 7 MONO CER 22pF 200V Mallory MONO CER 1000p 50V Mallory M2R102M2 MONO CER 0 01UP s0V AVX SR2ISCIOSKAA MONO CER0 1URSOV Mallory M21045 ELECT 220UF 16V nois Cap 227CKR016M ELECT I00UFASV nois Cap 108CK
36. PIN DIP 6 C C CIRCUITASSY CA 4MSC IF SOC0000 00 SOCKET PIN SCC xui CIRCUITASSY CA 48MS 1F ssxBo000 00 SNUBBER RESICAP SNISN2 MALLORY 104M060C22 SCW001600 SCREWSS PAN HD 4 40 05 LG SCWHEOR US SCWAFOR US GENERIC Jan 8 01 Page 2 o dl Part Number Revision Level Part Number sCWoo09 00 RSN0005 00 RSN0004 00 RSN0003 00 RSN0001 00 RLY0014 00 RLY0013 00 RLY0012 00 RLY0011 00 RES0135 00 RES0134 00 RES0109 00 RES0101 00 Jan 8 01 44465 23 Description 506 GENERIC RES NETWORK 9X220 S1P 10 Boums 310 101 221 RES NETWORK OX330 SIP 1D Boums 4310 101 331 RES NETWORK 9X4 7K SIP 10 Boums 4310 101472 RES NETWORK SX10K DIP 16 Bours 4116 001 103 RELAY SOLID STATE 25A 315VDC CRYDOM PP240D25 RELAY SPDT 20A 12V TDAs sp12 012 RELAY SPDT 20A 12 VDC AROMAT MIAGDCIZ RELAY DPDT 304 120VAC T92811D12 12 GENERIC RES cC aw s GENERIC RES CCATK LAW 5 NERIC RES PREC 40 2k 146 GENERIC Page 3 of Part Reference SCWAFOR 2 SCWAFOR T2 RPI RPS RLY3 RLY4 RLY RISRIO R22 Part Number Revision Level Part Number RES0009 00 RES0002 02 RES0088 00 RES0083 02 RES0073 00 RES0065 00 RES0062 00 RES0048 02 RES0047 00 RES0046 00 Jan8 01 44465 23 Description RES CC TK LAN S6 GENERIC GENERI
37. R035M Page 10 of Part Reference C22 C32 C38 C40 C45 CSS Ca CS C59 C68 croco cscsciscis ceci ci cia cia csoCsI Cs C21 23 C24 C25 C27 C28 C29 CAD CSI C33 CM C35 C39 C41 C44 C46 CA8 CS4 C58 C63 C66 C C60 cis Part Number Revision Level Part Number BPR0000 00 ADH0000 00 p Jan 5 01 Descripti Becper Piezo PC MNT Piczo Electronics MB02P LOCTITE ADHESIVE Locrire m ASSY MARKING PC Page u E u Part Reference ADHI FOR US w DI IFSCM BC Tuy D NOTES UNLESS OTHERWISE SPECIFIED 1 WORKMANSHIP TO BE EQUAL TO AND COMPLIANT WITH THE REQUIREMENTS OF IPC A 610 2 MARK DASH NUMBER AND REVISION NUMBER WHERE SHOWN USING WHITE EPOXY INK 3 THIS ASSEMBLY CONTAINS ELECTROSTATIC DISCHARGE ESD SENSITIVE DEVICES STATIC FREE HANDLING IS REQUIRED 4 DESIGNATIONS ARE FOR REFERANCE ONLY AND MAY NOT APPEAR AS SEEN ON ACTUAL ASSEMBLY 5 DIMENSIONS SHOWN SPECIFY MAXIMUM ENVELOPE LIMITS FOR THE FINISHED ASSENBLY 6 ORIENTATION OF POLARIZED CAPACITORS IS DENOTED BY A PLUS SIGN POLARITY IS IDENTIFIED ON THE PART 7 VENDOR IDENTIFICATION amp BD SERIAL NO TO BE IN THIS AREA 8 PERNANENTLY MARK APPLICABLE REVISION IN THIS AREA 9 PERMANENTLY MARK ASSY NO 44487 IN THIS AREA 10 ASSOCIATED DRAWINGS FOR THIS P C ED PACKA
38. S0003 00 FET0005 00 DIOQ009 00 D100003 00 D100002 00 CRY0001 00 CON0047 00 CCON0020 00 CON0018 00 CON0015 00 Jan 8 01 44467 18 Description FUSE CLIP PC MNT TIN PLT Schurer 06751 0062 MOSFET N CHANNEL SWITCHING Motorola DIODE SIGNAL National ananas DIODE 1A 600V Motorola DIODESCHOTTKY 4A 250V Motorola CRYSTALA PIN Matron MP 1 3L4 000MHZ TERMINAL FASTON 18 22 AWG 250 Amp CONNECTOR PC MNT 5 PINSTRT Amp 6409001 CONNECTOR PC MNT 6 PIN Amp 350827 1 CONNECTOR PC MNT 4 PIN STRT Amp 350792 1 Amp 640499 2 CONNECTOR PC MNT 3 PIN Amp CONNECTOR PC MNT PIN STRT Amp DM Page 9 Part Reference PCI FC3 FCS FCS DIA DIS D16 DIS D19 Di DS D6 D12 DIT Dis TRMIFOR WI n s 16 15 Part Number Revision Level Part Number CON0001 00 CAPOI2000 CAP0086 00 CAP0085 00 CAP0083 00 CAP0082 00 CAP0049 00 CAP0048 00 CAP0042 00 CAPo016 00 CAPOD15 00 Jan 8 01 44467 18 Description HEADER PCMNT 13 PIN AGT ANG Amp 11033253 Kemet T362A105K035AS TANT I0UF ISV Kemet T362A106K015AS POLY FILM 022UF 400V 7 oiPI 022 00V POLY FILM AUF 400V Panasonic ECQ MAI0UB POLY FILMOHIUF A00V Nichicon POLY FILM 0087UF 400V 7 MONO CER 22pF 200V Mallory MONO CER 1000p 50V Mallory M2R102M2 MONO
39. SERVICE MANUAL SM3121 Revision 1 Thermo EC 300 Second Ave Needham Heights MA 02494 Tel 781 449 8060 Fax 781 444 6743 www thermoiec com Centra GP8 Ventilated Centrifuge Cat No 3121 For 100 120 220 240 VAC 50 60 Hz Centra GP8R Refrigerated Centrifuge Cat No 3122 For 120 VAC 60 Hz Cat No 3125 For 220 240 VAC 50 60 Hz Centra GP8 F Ventilated Floor Model Centrifuge Cat No 3127 For 100 120 220 240 VAC 50 60 Hz Centra GP8R F Refrigerated Floor Model Centrifuge Cat 3128 For 120 VAC 60 Hz Cat No 3129 For 220 240 VAC 50 60 Hz 1 INTRODUCTION 2 INSTALLATION 21 22 23 24 32 33 35 36 37 Receiving the Unit Site Preparation Clearance Envelope Power Configuration Table For Electric Configuration Voltage Fuses Power Gord Moving tho Unit OPERATION The Front Panel Rotor and Accessories Balance Vibration Rotor Installation Removal Adding Rotors Deleting Rotors Starting And Stopping A Run Operating Modes Manual Operation Rapid Condition GPBR Only Hold Modo Stored Programs Locking RecallAdd Chango Refrigeration GPBR Orly Fal Safo Systems ACCESSORIES Speed and Force Tables Derating Table for Dense Samples Chemical Resistance Table Decontamination Table Nomograph MAINTENANCE Cleaning Cover Interlock Bypass Calibration Brush Replacement Waranty Condition of Returned E
40. a switches are part of the Service ol he switches is required te Lid warning message recurs at star ol a run eventhough he cover is closed Centra GP8 GP8R Service Manual 37 84 Cover Interlock To test the switches unlug the unit and remove the front control panel se Section 8 1 The interlock assemblies ae enclosed in metal casing located in the top comers of te unit Flow the interlock hamesses to connector Jt the creut board labeled LATCH on the board Disconnect the harness and measure resistance across pins 1 and 2 VIO ard RED Wih e cover open tho creut shouid be open Wi the cover Securely closed the cul shouid have some resistance Pull the cord to bypass Cover Interlock see Secion 52 and open ihe cover Tor testing 1 the swich does not exhibit Pese characteres or both of ne intron assemblies may require replacement To determine which may be bad connect he hamesses at he interlocks LIPS and JP12 Measure ho resistance across pins 2 and 8 of each interlock With the cover open each rct shouid be open and wih tha cover closed there should be some resistance Replace stor interlock if does not eh these characteristics Testing Replacement When the cover is closed mechanical latches lock in place Once the rotor has stopped pressing the cover open button energizes solenoids which release the latches Service ofthe interlock assemblies are required ifthe cover wil not rele
41. al function menu Press the C in IEC Use RPM arrows to scroll until Loc P is displayed Use the program arrow keys to select the program to be locked Pressing the following keys in tho following order will lock or unlock a program Start Stop Cover Open Stop Start and File Save The display will alternate between the program number and an L indicating that the values of the program are locked and cannot bo changed Press a program arrow key to select the appropriate program number Tho programmed run parameters willbe displayed and will become the set parameters To begin this run simply press START Select a program number with the program arrow keys The current program parameters will appear on the display Modify the desired parameters using the parameter arrow keys or the ACCEL or BRAKE switches To make the changes permanent press the PROGRAM SAVE fle older key The program number will stop flashing and tho new program willbe displayed and will remain in memory unti further changes are mado To make changes temporary press START without pressing the PROGRAM SAVE filo folder key The program display goes blank to indicate that the values are now stored in the manual program and the instrument is not operating from the program mode at this time As long as the PROGRAM SAVE flo folder key is not pressed the original program remains unchanged 14 Centra GP8 GP8R Operation Manual 3 6 Refrigeration GP8R O
42. as tense 22 Centra GP8 GP8R Operation Manual 4 2 Derating Table for Dense Samples The Speed and Force Table lists the maximum speed for each rotor adapter combinationinthe Centra GP8 Fastorspoedsimpose unnecessary wear onthe motor and may cause damage to the rotor Those speeds are guaranteed only with samples whose specific gravity is not greater than 12 forswinging bucket rotors 15 for fixed angle rotors Fordensor samples the maximum allowed speedis reduced derated by factor from the table below Derating Factor for Specific Gravity Swinging Bucket Fixed Angle 12 1 1 13 960 1 14 925 1 15 894 1 18 866 967 17 839 999 18 816 912 19 794 20 774 866 21 755 844 22 738 825 23 721 807 24 707 790 25 592 774 26 678 758 27 668 744 28 654 731 29 642 632 707 Example An angle rotor rated for 10 000 rpm used with samples with a specific gravity ot 1 6 cannot spin faster than 10 000 x 967 9 670 rpm Specific gravities greater than 3 0 This table is based on the formula 405 where 50 is the maximum specific gravity allowed before derating 1 2 or 1 5 depending onthe type of rotor and is the actual specific gravity ofthe sample inquestion Youcanusethe same formulato compute derating factors for specific gravities greater than 3 0 Centra GP8 GP8R Operation Manual 23 4 3 Chemical Resistance Table az
43. ase ri tho cover can be opened during a run To test the interlocks use the following procedure It requiras operation of ho unit with power and th front conto panel removed Use caution to avoid electric shock see Section 7 1 Cautions Disconnect the hamesses at the interlock assemblies Measure voltage across in Back and wires ofthese connectors fom pins 4 and of J labeled LATCH on the board Wade inactve ho voltage across these pins should bo minimal here 5 excessive voltage greater than loge voltage of approximate 5 volts DC circuit board should be replaced Press the COVER OPEN button on he tront conirol panel and measure the vokage I produces a 170 voll DC peak that can be ead with an Ian oscoscepe is not readily available voltmeler can aso be used Short together ne red and vet wires pins and 2 ot board to increase ne length ot me the voltage is applied A voltmeler measurement should be approximately 108 val Inis voltage s not Present replace th cul Board Measurements can bo taken wth he harness connected by inserting probes tom the back connector shell vollage is present and tne cover dos release replace he interlock assembly To replace an interlock assembly remove the front control panel see Section 8 1 and disconnect interlock assembly wang hamess Loosen and remove the two nuts at the of the assembly Disconnec
44. ation shouldbe performed y specialy wald personnel win proper recovery systems Cautions addtional hazard to the equipment is as follows The circuit board contains electronics that can be damaged by state lcticy Persons dong extensive maintenance on the ciui board or removing individual components rom the cireuit board shouldbe grounded such as by wearing a writ svap When Shipping circu board always enclose f in a stalic protective bag Centra GP8 GP8R Service Manual 72 Special Tools Most sevice work on these units can be performed with common multimeter required to utze the ublashootng techniques in vs manual 73 Troubleshooting A microprocessor inside the Centra GP8 and Centra GPAR monitors peraton of he unit including the rotational speed of the rotor Most trequenty tno uni detect roule and responds wih warming message or eror code Aphabelc warning messages indicate improper operation Normally user the improper situation as outined in the Operator s Manual clearing the warming Ifa warning recurs and re was no improper operation call your authorized service representative Waring messages are discussed in Section 37 Numeric eror codes virualy always require that the unt be serviced Error codes can bo ceared by unplugging the uni Ian ror code recurs cal your authorized service representativa Error odes are discussed in Section 37
45. ctrical characteris of the motor hat can be checked Remove the front control panel Section 81 Remove connector J2 rom the circu board labeled MOTOR Measure the resistance ofthe motor Between pins 1 white and 2 black 1t should be 24 ohms nominal Yit is outside this range replace the motor It displays an open circuit check he moror brushes to ensure hoy are good and making good contact check the choke for continuity Tha resistance of the choke when isolated measured at J1 should be 03 y nominal Brushes shouldbe replaced once they are about 14 of an inch in length I replacement of the brushes does not eliminate the open creuit orf the resistance is outside he range replace motor Pins 1 and 2 on Connector J2 shoud read open when measured wih respect o ground Use of connector J3 forthe ground lead If resistance is not nee open tno motor has a shot and must be replaced To verity power is being applied to the motor use the folowing procedure requires operaton of e unit w h power applied and the front onto panel removed Use caution to avoid electric shock see Section 73 Cautions Use vaimeter to measure the DC voltage fo pins 1 wie and 2 black J2 labeled MOTOR on board Plug tho unt in and Very that a propor loaded rotor is installed Select an appropriate speed select soft acceleration and stan a run voltage is present and he motor does not run check
46. d In the event of a power failure the door latch can be actuated with a tool for sample recovery User Diagnostics Warning messages will appear in the display and seven beeps will sound to alert Ihe user of conditions that require attention bAL This message appears in the time display when an imbalanced rotor is run The rotor decelerates with full brake to rest The cover must bo opened reset this warning Lid This message appears in the time display If the lid is not fully closed when START is pressed HEAd This message wams that a run has been started with no rotor in the chamber The cover must be opened to reset this warning PFAIL A power failure was detected during a run Rotor will be stopped at programmed deceleration when power is restored This warning is cleared by opening tho cover bruSh This message appears every 800 hours of use at the end of every run if itis time to check or change the brushes Error Codes Software will monitor and provide appropriato contro including front panel error messages in the time display when any of the following conditions occur Error 001 No tachometer Error 002 Overspeed Error 003 Runaway Error 004 Chamber temperature in excess of 45 C Error 005 Fail safe time out Error 006 COP Watchdog Op Codo Trap error Error 007 Stack error Error 008 No COP COP watchdog system not active Error 009 Undefined interrupt 16 Centra GP8 GP8R Operation Manual 4
47. dentified by the red and green buttons Pressing the green button connects power and resets the breaker Power may be disconnected by pressing tho red button or by unplugging the power cord from the centrifuge Centra GP8 GP8R Operation Manual 5 Power cord The Centra GP8R requires a grounded power supply 3 prong power 24 Moving the Unit outlet It your facility does not have properly grounded outlets arrange for proper grounding IEC provides two power cords with each Centra GP8 and Centra GP8R is suitable for North America Japan and Korea The other has bare wires at one end so other plug types can be attached Caution Do not remove the grounding pin from the centrifuge power cord Do not use the bare wire power cord to attach a power Plug that does not have a grounding pin Use only the appropriate Power cord supplied by IEC Ifthe bare wire power cord is used install the selected plug and attach the cord to the receptacle on the lower left side of the centrifuge Plug into the power outlet Warning The power cords provided with the unit is correctly rated for the highest current demand This power cord should not be interchanged with cords from equipment with lower current demand Exchange of power cords between equipment may create a fire hazard Benchtop Kneewell Floor Model It you relocate a GP8 series centrituge to a different power source please refer to section 2 3 to check the power requireme
48. e MINUTES This counter s used o set off he bush waring message When the brushes are changed ha Counter should be reset by pressing the Fie key under Ihe PROGRAM display ELAPS Elapsed Time Counter Shows the total elapsed hours of Fanning ol he un in MINUTES display decimal point appears inthe MINUTES display and any number appears n tne PROGRAM depiay ren the number Gt hours has exceeded a 3 di whole number and is represented in scenic notaton form For example ELAPS 967 indicates 987 hours of running ime On the other hand ELAPS 654 3 indeates 6 540 hours of running time ssc System Check The system automatic self tests are accessed rom his funcion These tests are used at the factory during production The procedures are time consuming and require several diferent rotors for executon This funcion s not recommended for fed use RESIT System Check Results Display of test values trom system heck The board contains 3 test points They are as TACH tachometer Hz GND Ground Frequency The TACH test point when measured with respect to ground GNO wil reflect h tachometer output and can viewed with an osciloscope or a VOM wi frequency capables This ouput shouid be 1 Hz 5 RPM 40Hz measured wih respecto ground should always be 40 Hz nomina Centra GP8 GP8R Service Manual 45 111 Motor 11 DRIVE ASSEMBLY Test Wih tno unit unplugged there are ele
49. e cover of uni and allow the frost o and then remove the water the bowl using a sponge Centra GP8 GP8R Service Manual 39 9 1 General 9 POWER CIRCUIT 92 Circuit Breaker Power is applied to the unit trough Power Entry Module located next to the Ine cord This module includes the fuse drawer fr fuse configuration To tho ight or he power entry modulo aro he circut breakers Power configuration is described in Section 23 To verity AC power to the board use connector 13 labeled PWR IN on the board The folowing procedure requires operation of the unt with power Applied and the control panel removed Use caution to avoid electric shock see Section 7 1 Cautions Remove tha tront control pana Section 8 1 and disconnect Js Measure the voltage across pins 1 lue or white and 2 olack at JS It shouldbe 120 vals nominal Across pins 4 and 5 to voltage should also bo 120 vots nominal On retigerated models the voltage across pins 1 and 3 shouldbe 120 domestic model or 220 high votage models I these voltages are not present use the appropriate wiring diagram GPS 10846 or 10844 or 10845 and trace back through no power crcl to find the au component see Secton 13 Drawings The Conta GPS and the high voltage model have 2 10 amp crcut breakers while tha Contra GP8R has 2 15 amp circuit breakers They are located on the lower side of each un
50. e maximum radius for that rotor The display changes back to rotor number after three seconds Centra GP8 GP8R Operation Manual Gentle acceleration and braking can be selected when centrifuging delicate samples The gentle settings prevent the mixing of density gradients and the breakup of pellets The yellow acceleration and deceleration mode LED s indicate which rates have been chosen one LED equals setting of 1 slow five LEDs equals setting of 5445 Tho tortoise and hare beside this symbol control rotor acceleration to 300 RPM After 300 RPM acceleration is always at maximum rate Press the tortoise to decrease acceleration the hare to increase Five accel profiles are available ranging from fast acceleration when all indicators it to the slowest acceleration when only one indicator iI The tortoise and hare beside this symbol control rotor braking Six brake profiles are available Press the tortoise to decrease braking the hare to increase As each level is selected another indicator lights up until all indicators are lit The sixth profile coast from set speed is indicated when all lights are out VIN The profiles for acceleration and deceleration are shown in the graphs below Press the tortoise and hare buttons to select the rates which are most appropriate for your application For example for delicate Separations use Accel 1 slow and a coast mode GPSIR Acceleration Rates GPSIR Decel
51. e set temperature RAPID CONDITION will run a rotor at 500 rpm to increase air circulation in the chamber to quickly cool the chamber to the set point When tho chamber temperature is below the set temperature RAPID CONDITION will run the rotor at 3400 rpm to warm the chamber to the set temperature When the temperature has been reached a three beep signal will sound and the rotor will brake to rest Some smaller rotors may not be able to warm the chamber to the higher temperature settings Centra GP8 GP8R Operation Manual 13 Hold Mode In HOLD mode the centrifuge vil run at the current settings for speed and temperature until the STOP button is pressed The time display will count up until STOP is selected The run time display is retained unti the lid is opened and closed again HOLD uses the current settings for acceleration and braking Set parameters can be changed during a run in the HOLD mode 3 5 Stored Programs Recall Program Add Change Program Tho Centra GP8 series has an internal memory capable of holding 35 sets of run parameters Each set or program is stored and can be recalled by selecting a program number 1 35 Programs are retained in memory even ifthe power is turned off When necessary a program can be modified particular run or changed permanently You cannot change the units program rotorradius or iming modes during a spin Programs can be locked from the program lock in the speci
52. e used to select the diferent parameters The Digital Display indicates both the actual and set parameters for rotor speed or g force run time chamber temperature program number and rotor number or rotor radius The display normally operates at full brightness when indicating actual run conditions However the display dims when indicating set conditions or while the arrow keys are being usedto change parameters Tho On Off button turns on the power to the display and to the refrigeration system GP8R Tho unit must be on to open the lid or operate the controls Arrow keys aro used to view or change the desired settings for temperature RPM RCF time or rotorradius Pressing an arrow once changes tho display momentarily from actual readings to the program settings Pressing the arrow twice allows you to re program the run parameters To raise or lower a setting by one increment press and release the appropriate arrow key To adjust in greater increments hold the arrow key down and the settings will chango slowly at first and then accelerate As you approach the proper setting release the button and then press it repeatedly to select the exact setting When a button is released for three seconds the display returns to actual readings lt Centra GP8 GP8R Operation Manual 7 gt 23 O gt D Tho number under this symbol represents temperature in whole degrees Celsius This can be set between 5 and 4
53. ed the power correctly For best results the centrifuges should be used on a dedicated lino Variations in Ino voltage or frequency will affect tho units speed and other characteristics Loss than nominal lina voltage may prevent the centrifuge from reaching published specifications of speed andlor temperature Also power line voltage at some locations may sag when the refrigeration system tums on Caution Configuring the centrifuge incorrectly may damage the equipment and will void your warranty Centra GP8 GP8R Operation Manual Table for Electric Configuration Centra GP8 amp Centra GP8R amp Centra GPBR amp GPEIKIF GPBR KIF GPBR K F Voltage AC 100 120 220 240 120 200 220 240 Frequency Hz 50 60 60 50 60 Model No 3121 3123 3127 3122 3124 3128 3125 3126 8129 Fuse Requirement 100 ali uses are 250 V 16 at 120 V on wo 200 Slo Blo Type T 220 zoaati2ov 16Aat 220 glass 5 x 20 mm 6 3A at 240 V 240 v casi 10A 15A 10A Voltage Range 90 110 V set 100 V 108 132 V set 120 V 108 132 198 242 V set 220 V 216 264 V set 240 V 180 220 V set 200 V 198 242 V set 220 V 216 264 V set 240 V v Note effective performance Power line ampacity requirement provides for sufficient current to permit Centra GP8 GP8R Operation Manual Voltage Use a volt meter to measure the voltage at your site For models 3121 3123 3125 3126
54. eration Rates Tine see ll ACCELERATION AND DECELERATION RATES Centra GP8 GP8R Operation Manual 9 3 2 Rotor and Accessoi 3 O O This button saves the currently displayed setting as stored program 1 through 35 sto section 3 5 This button starts a run using the desired settings shown on the display panel The associated green light blinks while the rotor approaches the set speed Then the light stays on until the end of the run This button stops the run A run will also stop when the set time has elapsed The associated red light blinks as the rotor decelerates It also blinks if an error occurs see section 3 7 light stays on when the rotor stops Three beeps signal that the rotor has stopped This button unlocks the cover The button is inoperative during a run and the cover will not unlock until the rotor speed is below 80 rpm The cover must be closed to start a run The associated yellow light is on whenever the cover is open Balance A balanced load is essential for the safe operation of all centrifuges An unbalanced load produces vibration and can damage the unit A2 gram load imbalance at a speed of 4600 rpm imparts a force equivalent to 8 1 kg at rest 20 pounds Therefore always make sure that the rotor is loaded symmetrically with a full complement of accessories and with a full or paired set of tubes Tubo adapters should also be installed symmetricaly IEC rotors are d
55. g an optical tachometer through the clear plastic Viewpor in the id I this measurement indicates instrument tachometer failure please notify IEC Technical Service 5 4 Brush Replacement 1 Unplug the centrifuge line cord Remove rotor and accessories Unscrew the 6 screws retaining the motor boot and remove tho boot 2 Identity both brush caps which are located on the upper sides of the drive motor Use a screwdriver to remove the brush caps Be careful not to drop parts down into the motor chamber 4 Carefully remove the brushes and inspect them Each brush is complete with a carbon contactor a spring a copper connector wire and end cap Brush contactors should be replaced when less than 6mm 1 4 in long Caution The commutator revolves in a counterclockwise direction as Viewed from above If original brushes are reused they must be inserted inthe same position from which they were removed to assure satisfactory motor operation The trailing edge of the brush may be identified by the presence ot a dark deposit of carbon along the side of the brush adjacent to that edge Centra GP8 GP8R Operation Manual 29 5 5 Warranty 6 Inspect the brush to be installed Use IEC brushes only part number 49801 Brushes must not be damaged or have broken copper connector wires The spring should not be broken Insert each brush into the holder and align end caps to rectangular slot Screw in brush caps careful
56. g procedure given earlier since chloride ions attack most metals Always decontaminato for the minimum recommended time If you observe corrosion remove it as described earlier discontinue use of the method and use an alternate decontamination procedure Repeated autoclaving will seriously degrade the performance of polycarbonate materials 28 Centra GP8 GP8R Operation Manual 5 2 Cover Interlock Bypass 5 3 Calibration If power tails the cover remains locked If you need to remove samples from the unit before power is restored use the cover interlock bypass after the rotor has come to stop Ensuring thatthe rotor has stopped unplug the centrifuge Locate a hidden plug just below the front panel Use a screwdriver to remove this plug Pull the attached cord to release the cover interlock Listen for both interlocks to release before opening the cover Reassemble the plug in the hole Do not perform this operation routinely The centrifuge s cover interlock provides operator safety and allows the cover to be opened promptly whenever rotation has stopped Tho builtin independent digital tachometer in your centrifuge is calibrated by IEC according to standards that are traceable to the U S National Institute of Standards and Technology NIST The built in tachometer uses crystal standards that do not drift Therefore IEC recommends verifying the RPM indicator once every 24 months This can be done easily usin
57. it beeps three times to acknowledge deletion of rotor 3 3 Starting and Stopping a Run Starting A Run Stopping A Run Install as described in Section 2 of this manual Plug in the power cord For models with a circuit breaker ess the green button seo Section 2 3 Read section 3 1 fora general description of the front panel The desired settings press arrow key to display momentarily shown on the front panel always govern the operation of the unit The number or symbol displayed above the PROGRAM keys describes tho operating mode of the unit Is important that the unit be in the correct mode for the desired operation seo Section 3 4 Press the On Off switch in the lower right comer of the front panel The Front Panel displays the set parameters for Speed Time Temperature Program Number and Acceleration and Deceleration brake settings and rotor number current when the machine was turned of The stop indicator is illuminated showing that the machine is not running After 3 seconds tho display changes to the actual parameters Press the cover button to open the Centra GP8 and install a rotor por rotor installation instructions To close the cover lower the centrifuge cover to approximately 6 inches open With a slight fick of he wrist firmly push down the cover so that the resulting momentum engages the latches Since the series has a two point interlock system both mechanisms must be fully engaged for o
58. it near he ine cord Once tripped the circuit breaker stops pomer from being applied to te rest ot unit an be reset by pushing ihe plunger ntn center of the circuit breaker back into If the creuit breaker continues tip flow the troubleshooting procedure outined in Section 9 3 Blowing Fuses To remove a breaker frst unplug the urit and remove he cabinet see Section 8 2 The creuit breaker is heic in place rom the inside by a retaning cip Once the retaining is removed he circuit breaker sides the unit Disconnect the leads and reassemble in same manner 40 Contra GP8 GPAR Service Manual 93 Blowing Fuses A short cul inside the unit when power is applied to that component wil raw excessive current blowing a use or ipping a Cru breaker Spare fuses are important to have on hand as it may rege expendture good fuses to solate the problem A general location of the short creuit may be made by observing when the fuse O fa tuse bows immediately when the unit is plugged in the short may be n the main power ine power entry module requency Selector or Ine fiter or in the circuit board W a tuse blows approximately 3 seconds after the urit is plugged in te short may be in of tho components Ih microprocessor acies coding fans or board components alter ts infial self eating Ira tuse bows when the COVER OPEN button is pressed the shor may be i
59. le Rotor 45 s sie waa mar piaces Vome ES EGO 20 Centra GP8 GP8R Operation Manual ROTOR 825A Angle Rotor 45 Mar Radius em 382195 No of Maximum Places Speed pm Max Tube Size x Length mm 382x175 4900 2050132 5100 28 5120 ROTOR 831A An gle Rotor 45 Mac Radus No of Places Shield Maximum Number Speed rpm Max Tube Size O D x Length mm 7 28140 172x122 728102 ROTOR 832A Angle Rotor 453 No of Si Maximum max Tuve size Paces Number RCF Radus G tengi mm a o amo s same Ls Ja L3 ao 384 ooze ROTOR 838 Angle Rotor 45 note ss uses ES Number 5 ACF Radus on gt 3000 196 e is 3700 172026 50 10 356 4800 Fi y 17 2114 Centra GP8 GP8R Operation Manual 21 ROTOR 921 Swinging Bucket Rotor T Turn m opem C woo pm sas pe um se er sea sm zoom m om 1a meme Er s s ses am one s se ao nm s eo e mm ETT friso v
60. ly Ensure that end caps freely engage the brush holder 7 Replace the motor boot Plugin centrifuge line cord 8 Reset the brush counter Press the hidden key located behind the C in EC on the front control panel Use the RPM arrows to scroll through the special functions menu until the word brush appears Also displayed will be a number indicating the hours that have passed since the counter was last reset Press tho file key to reset this o zero Press the hidden key again to escape the special functions menu and return to normal operation Important When replacing brushes order a spare set part number 49801 IEC wants you to be satisiod with the quality of your Centra GP8 or Contra GPBR centrituge We guarantee your IEC centrifuge for one year and IEC rotors for seven years We wil repair or replace any of these products that fail within this period from the date of ts delivery due to defects in material and workmanship and we will ship you the repaired product or its replacement at our expense You must use IEC approved accessories and genuine IEC spare parts This warranty does not apply to any instrument that has been abused or repaired without authorization THE FOREGOING OBLIGATIONS ARE IN LIEU OF ALL OTHER OBLIGATIONS AND LIABILITIES INCLUDING NEGLIGENCE AND ALL WARRANTIES OF MERCHANTABILITY OR OTHERWISE EXPRESSED OR IMPLIED IN FACT OR BY LAW THE FOREGOING STATES OUR ENTIRE AND EXCLUSIVE LIABILITY AND BUYER S EX
61. n one or both he interlock assemblies FF onthe creuit board blows when the RUN button is pressed the short may bo in tho motor refer to Section 10 3 Cucut Board Fuses 9 Onthe Centra a fuse biows when the refrigeration is enabled the short may be in the condensing um To further localize the short components may be selectively disconnected tne unit restarted The following procedure requires operation he unit t power applied and te front cono panel removed Use caution to avoid electric shock see Section 71 Cautions To do so Fist unplug tha und and remove the front cont panel Section 8 1 Lay the panel ace down in ront of the uni at th electronic components and connectors are vise Look inside tor loose material or bare wires Gent tit the unit to one side and hen to the other in order to locate any loose objets To the units necessary to break he seal of the suco cup teet Insert a tongue pressor or similar object under each foot to break he seal Remove any loose objects and real replace any baro wires The board has 8 interface connectors labelled J1 through J8 Connector JS brings power 1o circu board The other conneciors tribute power and signals as follows dae 2 Mor M Retigration amp Fans IS Tachometer Je Imbalance amp Thermistor Centra GP8 GP8R Service Manual a Detach connector J rom the board and plug the unit in
62. nly Whenever tho cover is closed and the urit is switched ON the rotor chamber is cooled as necessary to maintain tho desired temperature setting However using the keyboard so that a cold temperature is momentarily displayed for example stepping through the stored programs does not activate refrigeration Ifa temperature higher than ambient is specified the unit does not heat the rotor chamber except through the normal heating effect of the equipment 16 rotor air friction Ifthe rotor chamber is not at the temperature specified it does not abort the spin However if the rotor chamber differs by 5 or more from the specified temperature at he start of a run the unit sounds an audible alarm The display switches between the actual and programmed temperature until the two temperatures come within 5 C This shows the reason for the alarm Press the STOP button i the run should not continue at the actual temperature The unitis not designed for use as a refrigerator The natural fanning action ofthe rotating horizontal and fixed angle rotors serves to maintain uniform temperature distribution inside the chamber Therefore at zero RPM set and actual chamber temperatures may bo different Centra GP8 GP8R Operation Manual 15 3 7 Fail Safe Systems Interlock Lid cannot be opened when motor is energized or when rotor speed exceeds 90 rpm The lid latch is a mechanical latch opened by momentary engagement of a solenoi
63. nts and if necessary reconfigure the power First remove the rotor and accessories Next release the seal on the suction cups that adhere the Centra GP8 R to the work surface Lift the edge of each suction cup to release the seal and insert an object such as a tongue depressor underneath to prevent the cup from resealing Position the device in its new location and check the cups to ensure they are gripping the benchtop properly move the knoewell centrifuga remove the rotor and accessories Unlock the front casters and grasp the centrifuge by its side handles and heel into position Maneuver it backward to expose the locking casters again Lock down the casters Warning Lock the front wheels before starting a run to avoid dangerous movement move the floor model centrifuge remove the rotor and accessories Unlock the front casters and grasp the centrifuge by the comers ofthe cabinet and whee into position Maneuver it backward to expose the locking casters again Lock down the casters Warning Lock the front wheels before starting a run to avoid dangerous movement Centra GP8 GP8R Operation Manual 3 OPERATION 3 1 The Front Panel 8 o O A A A y v a com BAS Ss 6 4 CPER 5 FRONT PANEL OF CENTRA GP8R Run parameters are selected using the touch switches on the control panel An audible beep signals when a switch has been pressed The arrow keys ar
64. ont panel assumes the stato it was in the last time that mode was selected Parameters may be changed during a run in manual mode or HOLD mode Temperature and accaleration decaleration settings can be changed during Rapid Condition The centrifuge will adjust to the new run parameters when the display changes back to run mode 3 seconds after the last key is released Press the PROGRAM keys until the PROGRAM display is blank Next select a desired temperature rpm or RCF if rotor number is selected run time acceleration rotor radius timing and deceleration modes Then press START The spin stops automaticaly at the end of the desired Interval To manually sop the spin press the STOP button During manual operation the MINUTES display counts down the remaining time in the current spin When the timing mode is ACC the run time that you specify includes acceleration time and begins when you press the START button When the timing mode is SPd count down starts when 95 of set speed is reached Deceleration begins when the specified time elapses You can change the settings during a manual run to affect the run in progress If you change the time settings the unit adjusts the display countdown accordingly If the revised run time is less than the current time remaining reducing the time setting may end the run You cannot change the units program rotorradius or timing modes during a spin When the chamber temperature is above th
65. or it imbalance indication recurs with oni rotor installed To replace the imbalance switch assembly unplug the unit and remove he front conto panel see Section 8 1 The imbalance meraswitch assembly located at ie fent of the motor enclosure below the guard Remove 2 bolts holding the assembly bracket Io base Remove the assembly and disconnect the wires Remove the 2 Philips head screws holding tha microsite othe bracket and postion new swich m the same fashion and secure t Connect te wires 1o the replacement Microswitch black to NC and yellow to C and postion the assembly in the manner as the original assembly Actuator arm up and roller closest to motor Secure the bracket to to base wih the 2 bol 48 entra GP8 GPAR Service Manual 114 Blower 11 5 Brake The motor blower is located to the right of the motor and inside the motor housing cosis the motor during operation To verity power to the blower use the folowing procedure i requires operation of tno unit wih power applied and the font control pane removed Use caution to avoid electric shock see Section 7 1 Cautions Remove the front control panel see Section 8 1 and locate 4 labeled REFRIFAN on tho board A Ji use a volimeter to measure the voltage across pins 3 and 4 boh orange or black Insert probes fom the back of he connector shell The blower is active whl the motor running or topping With rotor
66. peration to proceed Ifthe run button is pressed when only one interiockis engaged a Lid message will appear in the speed display Should this occur close the cover again The yellow lid light tums off when the cover is fully latched Press the arrow keys twice to start changing each parameter The key may be pressed repeatedly or held to increment the parameter Press the accel or decel key to select the appropriate acceleration and braking rates Press START A three beep signal sounds the start indicator blinks and the display changes to the set parameters After 1 5 seconds the run stars and the display changes back to the actual run parameters To view the sot parameters for three seconds press and release arrow key at any time during a run Arun will end when the set time expires or press the stop button end a run and begin deceleration as selected 12 Centra GP8 GP8R Operation Manual 34 Operating Modes Manual Operation Rapid Condition GP8R Only The PROGRAM symbol can be one of the following operating modes blank The unitis set to manual operation 1 35 The unitis under control of the stored program with the number shown see Section 3 5 10 unitis sotto Rapid Condition H The unit is set to hold mode in which it runs unti you stop it Those digits and symbols appear above the PROGRAM arrows when the arrows are pressed Whenever you change the units mode of operation the rest of the fr
67. play indicates time remaining in minutes Below 10 minutes the timo is displayed in minutes and seconds The run timing accuracy is better than 10 miliseconds Two timing modes are available Acc for countdown to start at the beginning of acceleration and SPA for countdown to start when tho rotor has reached 95 of set speed Press the time down arrow key to scroll below zero Acc or SPd will appear indicating the current timing modo Press and release the time down arrow key to toggle between Acc or With the correct timing mode in the time display press the timo up arrow key to select the run time If the time up key is not pressed at this time the originally programmed time will be retained Acc and SPd only toggle when the down key is pressed If a program has been recalled from memory altered and not saved the manual timing mode is the same as the original program Tho rotorradius display indicates either the selected rotor number or the rotor radius in centimeters This display iluminates when the rotor is selected The applicable IEC rotor numbers are supplied in the memory along with their maximum or most common radius in centimeters The key under rotorradius toggles between the two To select a rotor number toggle to ROTOR and press an arrow key under the rotor display To change the radius toggle to RADIUS and pross an arrow key under the rotor display Note that the radius cannot be changed to a radius larger than th
68. quipment Table of Spare Parts Fuses Not Replaceable By The Operator SPECIFICATIONS TABLE OF CONTENTS Centra GP8 GP8R Operation Manual 1 INTRODUCTION The Centra GP8 series are general purpose centrifuges designed for use in medical industrial and scientific laboratorios The Centra GP8 series is available in the following models Benchtopmodels 3121 GPB 1001202201240 Vac 50 60 Hz 3122 GP8R 120 Vac 60 Hz 3125 GP8R 20012201240 Vac 50 60 Hz Kneewellmodels 3123 GPB K 100 120 220 240 Vac 50 60 Hz 3124 GP8R K 120 Vac 60 Hz 3126 GPBR K 20012201240 Vac 50 60 Hz Floor Models 3127 GPB F 100 120 220 240 Vac 50 60 Hz 3128 GPBR F 120 Vac 60 Hz 3129 GPBR F 220 240 Vac 60 60 Hz The Centra GP8 series can develop a maximum relative centrifugal force RCF of 4630 xg using the 822A rotor The centrifuges wil accommodate arange of centrifuge tubes and devices including 750 mL bottles microplates cytological side carriers and microsamplo tubes Maximum sample load is 3 Liters Designed for ease of use the Centra GP8 has an ergonomic touch pad control panel and bright easily read LED displays The unit can be operated in manual mode hold or one of 35 programmable operations Programs can also be modified at run timo offering unlimited run variations In addition rotor number entry permits automatic calculation of Other features include a coast mode and separate acceleration and decele
69. ration controls for maintaining delicate samples such as those with density gradients Al refrigerated models allow you to select chamber temperatures from 5 C to 40 and will maintain 2 C at full speed with the 218 rotor retrigerated models also offer a Rapid Condition function for pre cooling or pre heating the rotor and sample chamber Repeat runs with precisely the same temperature speed and time Setting can be achieved with tho touch of a button The internal microprocessor that allows this simplified operation also ensures repeatable results preventing inadvertent loss of sample and even alerts operators when periodic maintenance is due The Centra GP8 series rugged steel cabinet and rigid construction provide quiet operation and long term reliability coupled with impressive Safety features fail safe cover interlock prevents the rotor from running unless the cover is closed It also prevents the cover from being opened unt the rotor has slowed o less than 90 RPM even i the power fails load imbalance occurs a sensor shuts the unit down and triggers a warningmessage Centra GP8 GP8R Operation Manual 2 INSTALLATION 2 1 Receiving the Unit 22 Site Preparation ships the centrifuge in a carton that protects it rom shipping hazards Follow the unpacking instructions on the carton Be sure to complete the postage paid warranty card and return it to IEC U S and Canada or to the local distributor E
70. resuspend samples 10 Centra GP8 GP8R Operation Manual For example load tubas in ho following manner 1 Load four tubes Positions 3 6 10 13 01255 12 2 Load six tubes Positions6 7 3 13 14 10 01572 2148 orV7AB AA 3 Load an odd number of tubes Not recommended unless a dummy tube is used for balance Samples of different specific gravities may be processed in the same run provided that tho samples a given are balanced around the rotor as though they were the only ones in the roto Al contrfuges have critical speeds at which vibration occurs As the speed increases beyond tho critical speed vibration will cease This inherent condition also occurs during deceleration An imbalanced load intensifies these critical vibrations Do not operate this centrifuge continuously at observed critical speeds Rotor Installation The rotors specified for this centrifuge are secured to the drive motor shaft by a hex nut which is tightened or loosened with the IEC Part No 1787 wrench which is supplied with the machine Before placing the rotor onto the shaft remove the hex nut then be sure that the tapered hole in the rotor and the taper of the shaft aro clean Taking care not to damage the threads carefully lower the rotor onto the shaft then tighten the hex nut to secure the rotor to the motor shaft NOTE Do not use any other tool to tighten the hex nut as overtightening could occur and
71. rola IC CMOS EPROM National NM27C512Q250 IC CMOSLATCHA BIT ALLEGRO UCNSSOA IC CMOS KEYED ENC R 5X4 National MM74C923N Page 7 of Part Reference MI M2 M6 Ds20 DS21 DS22 DS23 DS24 0525 Dsos DS26 DS29 DS30 DS31 0532 0533 DS34 0535 DS36 0537 DS38 DS39 DS40 0541 DS42 DS3 DSS 057 058 059 DS10 DSI3 0514 0515 0516 05170518 0519 Ds27 DS DS2 DS11 0812 un vis vis un 15 Part Number Revision Level Part Number 1CD0017 00 ICD0015 00 ICD0007 02 ICD0002 00 ICA0029 00 ICA0013 00 ICA0010 00 HSK0016 00 HSK0009 00 FUS0009 00 FUS0005 00 Jan 8 01 44467 18 Description 1C DUAL OP AMP CMOS National 1C CMOS HEX SCHMITT INV National IC RAM CMOS NON OLOKXS Dallas Dsi20AD IC CMOS OCTAL3 STATE Motorola 1C CMOS QUAD 2 INPUT NAND Motorola MCTAHCOON 1C DISP DRVRS SEG Maxim MAXT29CNG 1CJ TRANS ARRAY O CNPN SPRAGUE ULN20034 Ic UNDERVOLTAGE SENSE Motorola HEATSINK 220 CLIP ON 56802 B04000 HEATSINK MACHINED FUSEPAST 1A 250V 5X20 Schuner nans FUSE SLO BLO 12 5A 25V 5X20 Schuster 0343128 FUSES X 20MM SLO BLO 6 3A 250V Schurer 034 3125 Page of Part Reference m Vis 020 vis unus vas vius vio un HSK2 FOR VRI n Part Number Revision Level Part Number FU
72. s accuracy can be verd by sirobing he motor shaft through tne viewport of he cover To gain access to the sensor requires removal of tha drive assembly see sacton 11 1 or atleast movement of it up into he guard bow To check he sensor use a volmeter to measure ls logie voltage across pins 1 and red and black O th 8 connector labeled TACH on the board It shouldbe approximately 5 vols I R is not then the board shouid be re placed The output of he sensor is read across pins 2 and 3 bue and Back and should be IHz The output of sensor can aiso be measured using fe est points on the board see Secton 105 no signat is present and logic voltage has been verlied check gap between Ihe Sensor and the dsc ou be between 0 03 and 0 07 75mm 10 1 750mj Uso a business placed between the sensor and disc to ensure the gap E good Wien rotated one revolution the should not rab or tear the business card To adjust the sensor loose th locknut and screw the sensor in or out until the proper gap is measured sure to secure 15 locknut once the sensor is properly in place Centra GP8 GP8R Service Manual a 11 3 Imbalance Sensor Test Calibrate Replacement The imbalance sensor is a normally dosed switch that opens intermittentiy it an unbalanced load produces excessive vibration ofthe centifuge This wi also occur he unit is nt placed on a stable counter or or To check lor ths move the
73. s oft boards included in Ins manual see Section 19 nos a board has been determined lobe faul replacement is recommended 102 LED s The circuit board has several LEDs Light Emiting Diode on it They are al labeled and can be useful in troubleshooting When an LED is i it means thatthe microprocessor has activated that particular device lan LED is it and ipe device rot functioning check for power rom tha board to vico Y power is preset hon the component should be replaced If the device is functioning and he LED is not It ton the board should be replaced Note The BRAKE LED f present is when the urit is spinning coasting and is of dung braking or n standby LED indicators are Present Tor he lolowing devices Centra GP8 GP8R Service Manual 10 3 Fuses Latch Solenoid soL Motor Blower FAN Compressor Oniy COMER Fomwardeverse Relay BRAKE not on all boards Motor Power Relay RUN There are two fuses on the circuit board They are labeled and F2 F2 is protect the logic circuitry and FT isin the motor creuit A blown F2 tuse wi result in no display whi a blown F wa resul in an Error 001 when atempting to start a run Test tho fuses with a meter to determine i replacement is necessary The fuses are rated as follows Fi 125 A 250 V5 20nm Solo TEC Part No 9919 F2 25 A 250 V S20mm Sie Bo TEC Pan No 49937 10 4 Special Functions Special Functions on the
74. sure to real the termistor in lace 52 entra Service Manual 13 DRAWINGS AND DIAGRAMS Drawing No Description 31211228105 Benchtop Parts 3120120105 Kneewall Pars 85527 Dive Assembly Wiring Diagram Schemat GPS 10844 ng Diagram Schemate GPR K Domestic 10845 Wing K Hon Volage 10823 PC Board Schematic GP8R 4 44465 PC Board Layout GPS K PC Board Parts List GPS 44467 PC Board Layout K PC Board Parts List GPER Note At the time of publication these drawings and diagrams were accurate Changes to the units do occur If you have any questions regarding these drawings and diagrams please contact IEC Technical Support at 800 843 1113 ext 2002 Centra GP8 GP8R Service Manual 53
75. t he bypass cord at the interlock by cutig it and ying a knot for reuse Reinstall ho nus using Loctte 271 on the threads Tightan the nuts to no more han 10 mie Contra GPSIGPER Service Manual 8 5 Cover Assembly 86 Guard Bowl Removal ot he cover assembly ncudes removal of he hinges They are taken off as aunt Remove al sets of 4 Philips head screws that hold the ages to the rear of the cabinet and I he assem of Ih cover dos not cse easily orit must be pushed down to enable the ni o run an interlock assembly may be loose or a cover ach pawl may need agustment To adjust cover latch losen the locking nut that holds in place The can be screwed up or down 1o corect is height or locking Be to lock it back into place using the locking nut This wil prevent it loosering during operation of e unit Ihe cover assembly does not say up on its own he hinge tension need agusimen The adjustment screws on hinges are located onthe Under sde of to hinge Turing he screw clockwise the hinge The cover gasket on both the Centra GPS and GPER is hed in place by a crimp f Ft becomes or he rubber deteriorates over time replace i Removal ofthe cabinet see section 8 2j may make replacement of Pis gasket easier Any rot which forms in the guard shouldbe removed Frost does not innt retegeraonfuncion does inb ice removal of haa rom ho samples Simply open ih
76. tna molor voltage s not presen and there no waming messages or error codes displayed and the RUN LED is replace Ihe board Motor brush replacement is described in section 54 46 Contra GP8 GPAR Service Manual Replacement Shaft Adapter 11 2 Speed Sensor To replace the motor open the cover and unplug the unit Remove the rotor and al accessories Locate and remove the 6 screws hat secure the motor boot Remove the motor boot Remove the foam ring surrounding the molor assembly Use he magnetic socket 516 supplied with unit wi a 10 inch extension to remove he 4 bats hat secure the motor mounting plate They are located donn nthe motor wol Take care nol to drop these into the motor wel retiovng hem can bo dificult Lit the drive assembly into the guard bowi Locate and disconnect the 3 wire motor hamess connector lack and green yellow Also disconnect Sie tachometer hamess red black and blue The dre assembly can now be removed Replace the drive assembly in the same fashion reversing the steps see Seaton 13 exploded view To remove the shaft adapter use 7 16 Alen wrench Loosen the screw in the locking collar and pul the adapter up and of When rainstaling t ensure hat t i a far down ono the motor shaft can go Deore tightening the colar camp Test The speed sensor uses a magnetic dis and Hal Effect sensor that requires no It
77. uni toa stable for and see imbalance stil occurs Ar seting off an imbalance the motor may remain in an uncentored postion causing recurent BAL warning messages To reset the molor Peston open the l and grasp the center ol he rotor While standing at the ront of e unt gent move toward he rear of he um 12 o clock Heavier rotors wl reset this automaticaly To test he imbalance sensor remove the on control panel see Section 8 1 and locate connector on ne board labeled IMBATHERM Trace the black and yellow wires from pins 1 and 2 of this harness to the swith located drecty n front of the guard bow Disconnect tris hamess from the circuit board and use an ohmmeter o verity resistance the 2 leads Opening the cover and genty moving the rotor towards the tront ofthe unit should engage he switch and open the ccu Actuation ofthe swich is audible when it occurs To calibrate the sensor remove the lont control panel see Section 8 1 and locate the sensor adjustment screw dec under tho guard bow Loosen ts locking na The screw is turned clockwise to make the sensor more Sensitive and counterclockwise lo make it less senate Instal the heaviest rotor used and aust he screw so hat the following conditions are met Fully loaded wih 50 gram imbalance imbalance Fully loaded wih a 75 gram imbalance imbalance below 2000 rpm Tighten the adjustment screw locking nut Cabraton when the swich replaced
78. xport Clearance Envelope For benchtop units place the unit on a smooth clean dry surface to ensure that the suction feet grip firmly The surface must be rigid stable and level to ensure quiet vbration ree operation Clear the area beneath the unit of debris and loose material such as paper Allow cm 3 inches of clearance near the ventilation grill of Tefrigoratod units For Kneewell and Floor Model units make sure that the floor is clean stable and level and that the unit has at least 8 cm 3 inches of clearance for the and 16 cm 6 inches of clearance for the GPBR at the rear for ventilation Warning Lock the front wheels before starting a run to avoid dangerous movement To gain access to the caster locks pull the centrituge forward about 15 cm 6 inches and then swing backwards to swivel the casters tho front Section 6 of this manual provides specific dimensions and specifications for each of the Centra GP8 units International Electrotechnical Commission standard 1010 part 2 20 limits the permitted movement of a laboratory centrifuge to 300mm in the event ofa disruption The user should therefore mark the clearance envelope boundary around the centrifuge or laboratory management procedures should require that no person or any hazardous materials aro within such a boundary while the centrifuge is operating 2 3 Power Configuration Do not plug in the centrifuge until you have configur
79. y spil clean the sample chamber use a damp sponge warm water and mild liquid detergent suitable for washing dishes by hand such as Ivory liquid Do not use caustic detergents or detergents that contain chlorine ions since hose attack metals Remove stubborn stains with a plastic scrub pad Do not use steel wool wire brushes abrasives or sandpaper since they creato corrosion sites Never pour water directly into the centrifuge bowl Scrub the rotors tube cavities with st test tube brush that has end bristles and a non metallic tip After cleaning any part dry it properly preferably using a clean absorbent towel It glass breakage occurs remove all broken pieces immediately Glass particles present in tho chamber wil be ground into a ine grey dust during centrifugation glass breakage recurs it is recommended that all adapters and cushions be replaced Particles of broken glass become imbedded in the plastic or rubber accessories These particles can come in contact with naw glass tubes creating a pressure point which may resultin recurring glass breakage Cleaning swinging bucket rotors is necessary to ensure that the buckets can pivot freely Periodically manipulate each bucket if you fool resistance or hear squeaking lubricate buckets with Bonded Lubricant Coating BLC IEC Part No 7133 Use the following cleaning and ubrication procedure 1 Wipe the old lubricant from all rotor pins and buckets with
80. ynamically balanced at the factory IEC matches removable parts trunnion rings shields buckets and carries to within 1 0 gram and stamps the weight on each piece Check these markings whenever you interchange parts to ensure that opposite parts are matched in weight The total weight of samples and removable parts loaded in opposing positions must be equal in weight to within 1 0 gram The position numbers present on many rotors and adaptors identity opposing tube positions obtain good dynamic balance the opposite loads must not only be equal in mass but must also have the same canter of gravity Opposing containers must be in shape thickness and distribution of glass or plastic This is especialy important for large containers Tubes loaded into swinging bucket rotors must likewise be symmetrical around the axis rotation Verify this by rotating the entire rotor 180 by hand the loads should be in the same apparent positions not in the mirror image In addition the loads within each bucket must also be symmetrical around the bucker s pivot axis Verify this by ensuring that each bucket is loaded and doesn tit vertically when the rotor is at rest Maintaining balance Within each bucket ensures that the bucket and the tubes swing out horizontally when the rotor reaches operating speed applying centrifugal force to the bottom of the tubes Failure to achieve full swing out causes vibration prematuro wear and may

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