Jouan C3i Service Manual
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Jouan C3i Service Manual

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CENTRIFUGE
CENTRIFUGE
C3
C3
/CR3
/CR3
i 
i 
SERVI VICE
SER
CE
MANU
MA
i 
i 
NUAL
AL

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Summary of Contents for Jouan C3i

  • Page 1 CENTRIFUGE CENTRIFUGE /CR3 /CR3 i  i  i  i  SERVI VICE MANU NUAL...
  • Page 2 CAREFULLY READ THIS MANUAL BEFORE OPERATING YOUR INSTRUMENT. CAREFULLY READ THIS MANUAL BEFORE OPERATING YOUR INSTRUMENT. INFORMATION CONTAINED IN THIS DOCUMENT IS THE PROPERTY OF JOUAN ; INFORMATION CONTAINED IN THIS DOCUMENT IS THE PROPERTY OF JOUAN ; IT MAY NOT BE DUPLICATED OR DISTRIBUTED WITHOUT THE OWNER’S AUTHORIZATION.
  • Page 3 CAREFULLY READ THIS MANUAL BEFORE OPERATING YOUR INSTRUMENT. CAREFULLY READ THIS MANUAL BEFORE OPERATING YOUR INSTRUMENT. INFORMATION CONTAINED IN THIS DOCUMENT IS THE PROPERTY OF JOUAN ; INFORMATION CONTAINED IN THIS DOCUMENT IS THE PROPERTY OF JOUAN ; IT MAY NOT BE DUPLICATED OR DISTRIBUTED WITHOUT THE OWNER’S AUTHORIZATION.
  • Page 4 REVISION STATUS REVISION STATUS I I N N D D E E X X D D A A T T E E A A M M E E N N D D E E D D P P A A G G E E S S N N O O T T E E S S i ...
  • Page 5 WARRANTY WARRANTY Subject to the d Subject to the d rvance rvance any inst install allati ation, ope on, ope rati rating or m or m aint aintena in instructi structions, we ons, we warra warra nt t that we wil hat we will at our option replace, or repair free of charge, or credit the purchaser with the full invoice price of any goods or...

  • Page 6: Table Of Contents

    CONTENTS CONTENTS CHAPTER PTER 1 - INT INTROD RODUCT UCTION ....... . .
  • Page 7 4.6. Electronic b oard r ep lacem ent ............4.6.1.

  • Page 8: Purpose

    AFTER SALES SERVICE C.P. 3203, 44805 SAINT-HERBLAIN CEDEX - FRANCE Tel. +3 3 (0) 2 40 16 80 00 - Fax : +33 (0) 2 40 94 70 16 Telex : 711062 JOUAN NT JOUAN LTD JOUAN Gmb H Me rlin Way, Quarry Hill Road Kap e lle nstrasse 22 ILKESTON, DERBYS, DE7 4RA - U.K.

  • Page 9: Performance

    1 - 2 1.3. SPECIFICATIONS 1.3.1. DIMENSIONS AND WEIGHT Dime nsions (H x W x D) C3 i  : 372 x 400 x 495 mm CR3 i  : 3 75 x 5 75 x 6 05 mm Packe d (H x W x D) C3 i ...
  • Page 10 1 - 3 1.4. INSTALLATION PROCEDURE The environment must not b e in a dusty room or cor rosive e nvironme nt. The be nch top must b e of a rigid co nstruction cap ab le o f supp orting the we ight of the ce ntrifuge . IMPORTANT : at least two people are required to lift the centrifuge from the palette and place it on the bench.

  • Page 11: Description

    2 - 1 2 THEORY OF OPERATION 2.1. DESCRIPTION The microprocessor system which controls the C3 i  or CR3 i  ce ntrifuge s e nsures the op er ation of the following major elements : - Management of the ope rating modes - Gene ration of alternating curre nt amplitude and freq uency - Adjustab le compone nts for the motor spe ed se rvo - Manage ment of the acce leration and braking profile/rates...
  • Page 12 2 - 2 CONTROL  SYSTEM  FLEXIBLE KEYBOARD  AND DISPLAY  LOCK ASSEMBLY  USER  SWITCH  INTERFACE  SWITCH  TEMPERATURE (CR3i) SOLENOID TEMPERATURE  BOWL (CR3i) MOTOR  IMBALANCE  COMPRESSOR (CR3i) SPEED POWER RACK AND FILTERS  MOTOR SUPPLY  FIG. 2.1 - CR3i FUNCTIONAL PRESENTATION  C 3 i  - M...
  • Page 13 2 - 3 ROTOR  MOTOR CHAMBER SEAL  LID/BOWL SEAL  MOTOR  STABILIZER  SUSPENSION  IMBALANCE SENSOR  GAS SPRING  LID HINGE  POWER INPUT RACK  CENTRIGUGE BODY  CENTRIFUGE BOWL  LOCKING SYSTEM  COMPRESSOR (CR3i) FRAME  MOTOR FIXING BOLTS  MICROPROCESSOR + POWER  DISPLAY ASSEMBLY  FRONT PANEL  KEYBOARD FIG.
  • Page 14 2 - 4 FIG. 2.3 - COMPONENTS OF THE C3i  1 . Po we r s u p p ly r a ck   5. Lid lock solenoid 2 . Im b a la nc e s e ns or 6.
  • Page 15 2 - 5 FIG. 2.5 - COMPONENTS OF THE CR3i  1. Cooling fan /condenser 5. Lid lock solenoid 2 . Im b a la nc e s e ns or 6. Display assembly keyboard 3. Induction motor 7. Microprocessor/power pcb 4.

  • Page 16: Introduction

    2 - 6 2.3. MOTOR CONTROL PRINCIPLE 2.3.1. INTRODUCTION Th e C 3 i  / C R 3 i  f a m i l y o f c e n t r i f u g e s i s f i t t e d w i t h a n a s y n c h r o n o us 3 p h a s e m o t o r . D u r i n g t h e ce ntrifugation, the microproc ess or g ene rates a system of sinusoidal 3 phase voltages, variab le in amplitude and frequencies.

  • Page 17: Power Control

    2 - 7 2.3.3. POWER CONTROL Three voltages, variable in amplitude and frequency, dephased by 2 π   /3, must be supplied from a 50 or 60 Hz single p hase m ains supply. V MAINS  STATOR  The voltage is rec tified then filtere d b y C to supp ly the c onstant voltag e +E. The value of the cap acitor C is high.

  • Page 18: Introduction

    2 - 8 Speed synchronisation is directly proportional to the frequency of the voltage supplied to the motor. Ns = f x 60 (for a 2 pole motor). The motor rotates at a spe ed N below the sp ee d Ns. N s - N = SLIPPAGE (the slipp age varies b etwee n 1 and 3%).

  • Page 19: M Icropro Ce

    2 - 9 2.4.2. MICROPROCESSOR + POWER PCB On the microprocessor + power pcb, 3 distinct zones can be identified, whose functions are described be low. Each zone has its own inde pe ndent power supply. ZONE 1 : This zone includes the microprocessor, the EPROM containing the software and the non-volatile RAM containing the program parameters.

  • Page 20: I Mb Alance Se

    2 - 10 ZONE 3 WARNING ! THIS ZONE IS AT MAINS VOLTAGE This zone isolated from the microprocessor part by opto-couplers, is the electronic part related to the powe r in the sys tem. This zone includes : - The 15 VDC powe r sup ply for the control elec tronics for this zone. - The control circuit of the 6 b asic signals of the IGBT module.

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