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Instruction
and
Technical
Manual
All Pages
E
INOEX
Part Dne
Gener al Saf et y 3
Inst al l at i on 4
Oper at i on 6
Cl eani ng 7
Faul t Fi ndi ng 8
Chemi cal Resi st ance Tabl es 9
Part Two
EB Range:
Oper at i ng Manual 14
User Manual 15
Ci r cui t Boar d di agr ams 16
Gener al Techni cal Inf or mat i on 18
Part Three
"DDD Ser|es:
Oper at i ng Manual 22
Tr oubl eshoot i ng Gui de 23
Ci r cui t Boar d di agr ams 27
Gener al Techni cal Inf or mat i on 32
Part Four
EDDD Ser|es, K Ser|es and KR Ser|es:
Oper at i ng Manual 38
Tr oubl eshoot i ng Gui de 39
Oper at i ng Manual KR Ser i es (Ref r i ger at ed) 40
Tr oubl eshoot i ng Gui de 41
Ci r cui t Boar d di agr ams 42
Gener al Techni cal Inf or mat i on 48
Test 13/ 16 Vi a LED Di spl ay 54





















3
Part Dne
Introduct|on - GeneraI Safety
Centurion Scientifc centrifuges are designed to be used in the laboratory environment for spinning and
separating various liquids having a specifc gravity of up to 1.2 sg. The instrument uses appropriate
centrifuge tubes specifcally designed for the rotor supplied with it and only tubes of this type may be used.
It is important to note that the centrifuge is specifcally designed to perform the function stated above and
not f or any ot her pur pose
Centurion Scientifc centrifuges are manufactured to the highest current technical standards and
regulations, and are designed for long and reliable operation. However, the user must be aware of the fact
t hat any cent r i f uge may pose a danger i f t hey ar e i mpr oper l y used
In particular the following points must be followed at all times:
The cent r i f uge must onl y be used as desi gned and not f or any ot her pur pose
The centrifuge must only be operated by trained personnel, familiar with equipment of this type.
The design of the centrifuge or its accessories must, under no circumstances, be modifed without
consultation with, and the written approval of Centurion Scientifc.
Most i mpor t ant l y, al l saf et y i nst r uct i ons and pr ocedur es must be adher ed t o at al l t i mes Ther ef or e, any
person concerned with the operation or maintenance of the centrifuge must read and follow all safety
i nst r uct i ons
In addi t i on, al l st at ut or y r egul at i ons r egar di ng machi ner y of t hi s t ype and i t s usage must be adher ed t o
E. Usage
The centrifuge is designed to separate materials having different densities and particle size respectively.
The maxi mum sampl e densi t y i s 1 2g/ cm3 at t he maxi mum oper at i ng speed
To ensure that the centrifuge is operated in a safe manner, avoiding the hazard of injury to personnel or
damage to material goods, the following safety precautions should be followed at all times:
The cent r i f uge must onl y be opened by t r ai ned per sonnel compet ent i n i t s use
Never use the centrifuge unless the rotor is properly mounted and secure.
Never open, or attempt to open the lid while the centrifuge rotor is still turning.
Onl y use or i gi nal par t s f or t he cent r i f uge
Never operate the centrifuge if components are missing or damaged.
If the rotor shows visible signs of wear its use must be discontinued and a replacement ftted.
The motor must not be overloaded, the maximum allowed density of samples at full operating speed is
1 2g/ cm3
Always endeavour to make sure that opposite tubes are of the same weight to avoid rotor imbalance. If
the tubes are flled with the same material they must, therefore, be flled with the same amount.
No changes should be made to the mechanical or electrical components without prior consultation with
and the written permission of Centurion Scientifc.
E." Hazardous mater|aIs - Spec|aI precaut|ons
The cent r i f uge has not been manuf act ur ed f r om i ner t mat er i al s or t o be expl osi on pr oof Ensur e t hat i t
is not operated within an environment, or with materials that make these a requirement.
During operation a ‘safe’ zone of 30cm must be maintained around the centrifuge. This zone should be
clear of personnel and hazardous materials at all times during the run.















4
Substances of a radioactive, fammable or explosive nature must not be centrifuged.
Substances prone to react briskly with each other must not be centrifuged at the same time.
Toxi ns and pat hogeni c mi cr o- or gani sms must not be cent r i f uged unl ess t he pr oper pr ecaut i ons f or t hei r
handling have been taken. These may include, but are not limited to, biological seals. Should toxins or
pat hogens ent er t he cent r i f uge or i t s par t s t he pr oper pr ocedur es f or di si nf ect i ng t he cent r i f uge shoul d be
car r i ed out (r ef er t o sect i on 5)
Strongly corrosive substances that may cause damage to or impair the mechanical strength of the rotor
may only be centrifuged inside protective vessels. Should any doubt exist regarding the substance or the
suitability of a particular vessel for use with it, consult the Safety Inspector.
3 InstaIIat|on
The instrument has been designed in such a way that installation should present no problems to a technician
familiar with equipment of this type. Should any problems or questions arise during the installation of the
instrument please refer to Centurion Scientifc for advice. During installation the record for the individual
centrifuge (to be found with your manual) must be completed.
3." Work surface
The work surface must be stable and, where possible, resonance free - a standard laboratory bench is usually
suitable. The location of the centrifuge should be well ventilated and out of direct sunlight, having suffcient
room to allow air to circulate around it freely. A safety zone extending for 30cm in all directions must be
maintained around the centrifuge. This space should be kept clear; in particular no hazardous materials may
be pl aced i n t he ar ea dur i ng cent r i f ugat i on
3.E Unpack|ng the centr|fuge
Upon receipt of the instrument please carefully examine the packaging for any signs of damage that may
have occurred during transit. The instrument should be place on a fat surface, the right way up, and all the
unpacking be carried out from the top in the following order:
Remove and unpack the box containing the rotor.
Remove and unpack the bag containing the IEC Mains Set and tools.
Finally remove the centrifuge. Due to its weight, care must be taken when lifting the centrifuge on to the
work surface.
Check the contents against the following parts list and contact your supplier if there are any discrepancies.
3.3 Parts I|st
1 x cent r i f uge
1 x r ot or (as suppl i ed)
1 x washer
1 x screw
1 x allen key or box spanner (fxing rotor)
1 x emergency lid release allen key
1 x IEC Mai ns Cor d set
1 x manual




b
3.4 Na|ns connect|on
Before connecting the unit to the mains, ensure that the voltage and frequency of supply match the
specifcations on the instrument.
A mains plug, provided with a 5 amp fuse (or 13 amp for refrigerated units), and of a type suitable for
use where the centrifuge is to be installed, should be ftted. This plug must be wired up according to the
international convention as follows:
BROWN Live
BLUE Neut r al
GREEN/ YELLOW Ear t h
3.b Rotor assembIy
The rotor assembly locates on to the tapered shaft of the drive shaft, being held securely in position by a fat
washer and a locking screw. It is important that these items are assembled in the correct order and that the
washer is used as intended.
To locate the rotor frst, check that both the exterior surface of the shaft and the tapered bore of the rotor
itself are free from dirt or any foreign debris. The rotor should then be lowered into position on the tapered
shaft, care being taken to ensure that it seats frmly and evenly. The fat washer followed by the screw is
then placed into the threaded portion of the shaft, the assembly then being secured by the screw. The screw
should be hand tightened with the key provided.
Rotor screw fxing
Rotor bolt fxing
B
4. Dperat|on
4." F|II|ng and Ioad|ng the sampIe tubes
The centrifuge functions in the most effcient manner when unbalance of the rotor is minimised. This
prevents undue vibration perturbing the separation zones of the substance being centrifuged. It is therefore
important that unbalance due to loading unequal loading of the sample tubes is minimised as far as possible.
The maxi mum per mi ssi bl e i mbal ance of t he r ot or i s 1g
Imbalance may be minimised by following a few simple and quick procedures as described in the following
par agr aphs
The sample tubes should be flled as evenly as possible. Where practical, tubes containing the same
subst ance shoul d be pl aced opposi t e each ot her
The rotor should be loaded symmetrically, this being best achieved by using all of the bores. When only
partially loading the rotor it must be ensured that opposite bores always receive tubes of the same weight.
The following pictures provide examples of correct and incorrect loading of the rotor.

4.E To Ioad sampIes
Press the LID OPEN button. This will unlock the lid and allow it to pop open.
Load the samples to be centrifuged into the rotor. The load must be distributed as evenly as possible to avoid
r ot or i mbal ance (r ef er t o sect i on 41)
Shut the lid. This will lock automatically.
Check that the speed and time settings are as required. If they are not, refer to section 4.5 and change them
to the desired values.
Press START. The centrifuge will now run up to operational speed and centrifugation will commence. Once
the set time has elapsed the centrifuge will automatically rundown, apply the brake and stop.
After the rotor has come to rest and the safety timer has expired the message OPEn will be displayed (not on
EB series). The LID OPEN button may be pressed and the samples removed.
NOTE: The lid will not open until the rotor has come to a stop and the Safety Timer has expired. If the lid
does not open when the LID OPEN button is pressed, wait for a few seconds and try again.


CORRECT INCORRECT
7
4.3 Emergency L|d ReIease |n case of L|d Lock fa|Iure.
In the unlikely event of the lid lock failing and the user being unable to remove their samples, an emergency
lid release tool is provided.
WARNING: DPERATIDN DF THE ENERGENCY LIO RELEASE NUST DNLY BE
UNOERTAKEN BY OUALIFIEO ANO APPRDVEO PERSDNNEL.
UNOER ND CIRCUNSTANCES NAY THE CENTRIFUGE BE DPERATEO IN THIS
CDNOITIDN.
Wait until the rotor has stopped turning (view through the lid port) and switch off the power to the centrifuge.
Take the lid release key (supplied) and insert into the hole on the right side of the centrifuge. Push down and
the lid will release.
WARNING: UNOER ND CIRCUNSTANCES NUST THE ENERGENCY LIO RELEASE
BE USEO WHILE THE CENTRIFUGE IS RUNNING.
b. CIean|ng, O|s|nfect|ng and Na|ntenance
WARNING: IsoIate and d|sconnect the power suppIy before carry|ng out cIean|ng
or ma|ntenance.
b." Centr|fuge Body
Regularly wipe down the external surfaces with a mild detergent.
Mop up any spillage with an absorbent cloth. Check to ensure that the liquid has not entered the main
body of t he cent r i f uge
WARNING: If any liquid has entered the main body of the centrifuge it MUST NOT be used. Contact the
supplier or Centurion Scientifc Ltd immediately for advice.
b." Rotor
Remove the locking screw with the key provided
Remove the fat washer
Pull the rotor off the shaft by applying equal force on both sides
NOTE: If any stiffness or diffculty is experienced when attempting to remove the rotor this may be overcome
by applying a sharp tap to the rotor shaft. A non-metallic object (e.g. plastic mallet) must be used to prevent
damage t o t he shaf t
Clean the rotor using a suitable detergent and hot water. Alternatively the rotor may be cleaned in an
autoclave at a maximum temperature of 120ºC.
Thor oughl y r i nse and dr y t he r ot or
Inspect the rotor for any hairline cracks, damage or other defects. If any are found please contact your
supplier or Centurion Scientifc Ltd.








B
B. Speed to Rcf [G Force] Convers|on
1118 x RADIUS x SPEED²
Pl ease note that the 2000 Series, the K Series and the KR Series centrifuges have an automatic converter for
Speed t o Rcf
7. FauIt hnd|ng, aIso use Test"3/"B page b4 [Not EB Ser|es]
The following tables cover the more common problems that may be rectifed by the user. In the event of a
problem being encountered which is not specifcally covered in the following table it should be referred to the
nearest authorised service centre.
FAULT OTHER SYMPTOMS POSSIBLE CAUSE AND REMEDIAL ACTION
Display remains
dark
Motor stops
Rotor stops without braking
The lid cannot be opened
Mains failure or mains not connected.
1. Check Mains connection.
2. Check power is available at the Mains.
If Mains supply is ok, refer to Service Department.
Display fails
briefy
Motor stops suddenly
Rotor stops without braking
Display reads ‘hello’ briefy
Brief interruption of Mains supply.
1. Ensure that Mains supply plug is properly inserted.
2. Restart the centrifuge.
Lid cannot be
opened
Pressing the OPEn button has no effect
Lid not correctly closed or lid warped.
1. Press lid down in the middle of the front section.
Heat monitor relays in the lid unlacing magnets have been
actuated (due to repeated pressing of LID button within a few
seconds).
1. Wait for a short time and try again.
Excessive noise
Centrifuge is extremely noisy during
operation
1. Stop the centrifuge.
2. Wait until rotor is at a standstill.
3. Open the centrifuge and check that the rotor is correctly
loaded.
4. Check that there are no broken vessels, signs of damage to
the rotor or motor malfunction.
Rectify any defects that are found.
5. Refer the problem to the Service Department.
Rotor does not
start
1. Remove Mains plug, check Mains supply is correct and
replace plug.
2. Check the unit is being operated correctly.
3. If error persists, contact Service Department.
Power failure
No braking current
Drive out of order
Rotor stops without braking
Lid opened during a run.
1. Wait until rotor has come to a complete stop. Disconnect
Mains supply and then reconnect. If error persists contact
Service Department.
Motor overheated
1. Room temp too high or insuffcient ventilation for the
motor.
Disconnect mains and wait for 30 minutes.
2. Check that all cooling vents are clear and clean with a small
brush.
Reconnect Mains and try again
Lid? Appears in
display
Motor stops
Rotor stops without braking
Lid lock mechanism out of order.
1. Press the lid tightly shut.
2. If error persists, contact Service Department
OPEn appears
in the display
although lid is
closed
Centrifuge will not start
Control lid lock mechanism.
Check that the lock is engaged on both sides.
Contact the Service Department.
1000
B
CHENICAL RESISTANCE TABLE
KEY:
S - Sat i sf act or y
M - Moderate attack
U - Unsat i sf act or y
Aluminium
Anodic coating for
Aluminium Delrin Glass Polypropylene
Stainless
steel
Chemical
Acetaldehyde S - - - M -
Acetic Acid (5%) S S M S S S
Acetic Acid (60%) S S U S S M
Acetic Acid (Glacial) S S U S S M
Acetone M S M S S M
Acetonitrile S S S S M S
Alconox U U S S S S
Allyl Alcohol - - S - S -
Aluminium Chloride U U U S S U
Ammonium Acetate S S S S S S
Ammonium Carbonate S S S S S S
Ammonium Hydroxide (28%) U U M S S S
Ammonium Hydroxide (conc.) - - M - S S
Ammonium Phosphate U - S S S M
Ammonium Sulphate U M U S S M
Amyl Alcohol S - S - S -
Aniline S S S S S S
Aqua Regia U - U - U -
Barium Salts M U S S S M
Benzene S S M S M S
Benzyl Alcohol S - M - U -
Boric Acid U S U S S S
N-Butyl Alcohol S - S - S -
N-Butyl Phthalate S S S S U M
Calcium Chloride M U S S S S
Calcium Hypochlorite M - M - S U
Carbon Tetrachloride U U M S S M
Cesium Acetate M - S S S M
Cesium Bromide M S S S S S
Cesium Cholride M S S S S M
Cesium Formate M S S S S M
Cesium Iodide M S S S S M
Cesium Sulfate M S S S S M
Chloroform U U M S M M
Chromic Acid (10%) M - U S S U
"D
CHENICAL RESISTANCE TABLE
KEY:
S - Sat i sf act or y
M - Moderate attack
U - Unsat i sf act or y
Aluminium
Anodic coating for
Aluminium Delrin Glass Polypropylene
Stainless
steel
Chemical
Chromic Acid (50%) U - U - S -
Citric Acid S - M - S -
Cresol Mixture S - S - M -
Cyclohexane S - S - M -
Deoxycholate S - S - S -
Dextran M - S - S -
Diethyl Ether S - S - U -
Diethyl Ketone S - M - M -
Diethylpyrocarbonate S - S - S -
N-N-Dimethylformamide S - S - S -
Dimethylsulfoxide S - S - S -
Dioxane M - M - M -
Distilled Water S - S - S -
Ethyl Acetate M - M - S -
Ethyl Alcohol (50%) S - M - S -
Ethyl Alcohol (95%) S - M - S -
Ethylene Dichlorine - - S - U -
Ethylene Glycol S - S - S -
Ethyloene Oxide Vapor S - - - S -
Ferric Chloride - - M - S -
Ficoll-Hypaque M - S - S -
Formaldehyde (40%) M - S - S -
Formic Acid (100%) - - U - S -
Gluanidine Hydrochloric U - S - S -
Glutaraldehyde S - S - S -
Glycerol M - S - S -
Haemo-Sol S - S - S -
Hexane S - S - S -
Hydrochloric Acid (50%) U - U - S -
Hydrochloric Acid (conc.) - - U - S -
Hydrofuoric Acid (10%) - - U - S -
Hydrofuoric Acid (50%) - - U - S -
Hydrogen Peroxide (3%) S - S - S -
Hydrogen Peroxide (10%) U - U - S -
Idoacetic Acid S - S - S -
""
CHENICAL RESISTANCE TABLE
KEY:
S - Sat i sf act or y
M - Moderate attack
U - Unsat i sf act or y
Aluminium
Anodic coating for
Aluminium Delrin Glass Polypropylene
Stainless
steel
Chemical
Isobutyl Alcohol M - S - S -
Isoprpyl Alcohol M - S - S -
Kerosene S - S - M -
Lactic Acid (20%) - - - - S -
Lactic Acid (100%) - - - - S -
Magnesium Chloride M - S - S -
Mercaptoacetic Acid U - S - U -
2-Mercaptoethanol S - S - S -
Metrizamide M - S - S -
Methyl Alcohol S - M - S -
Methyl Ethyl Ketone S - M - S -
Methylene Chloride U - S - U -
Nickel Salts M - - - S -
Nitric Acid (10%) M - U - S -
Nitric Acid (50%) M - U - M -
Nitric Acid (95%) M - U - M -
Oils (Petroleum) S - S - M -
Oils (other) S - S - S -
Oleic Acid S - U - S -
Oxalic Acid M - U - S -
Perchloric Acid (10%) U - U - S -
Perchloric Acid (70%) U - U - M -
Phenol (5%) M - M - S -
Phenol (50%) U - M - S -
Phosphoric Acid (10%) U - U - S -
Phosphoric Acid (conc.) - - U - S -
Physiologic Media M - S - S -
Picric Acid S - S - S -
Potassium Bromide U - S - S -
Potassium Carbonate M - S - S -
Potassium Chloride U - S - S -
Potassium Hydroxide (5%) U - M - S -
Potassium Hydroxide (conc.) U - M - S -
Potassium Permanganate S - S - S -
Pyridine (50%) U - U - S -
"E
CHENICAL RESISTANCE TABLE
KEY:
S - Sat i sf act or y
M - Moderate attack
U - Unsat i sf act or y
Aluminium
Anodic coating for
Aluminium Delrin Glass Polypropylene
Stainless
steel
Chemical
Rubidium Chloride M - S - S -
Sodium Borate S - S - S -
Sodium Bromide U - S - S -
Sodium Carbonate (2%) M - S - S -
Sodium Chloride (10%) S - S - S -
Sodium Chloride (sat’d) S - S - S -
Sodium Dodecyl Sulfate S - S - S -
Sodium Hydroxide (<1%) - - - - S -
Sodium Hydroxide (10%) U - U - S -
Sodium Hypochlorite (5%) U - U - S -
Sodium Iodite M - S - S -
Sodium Nitrate S - S - S -
Sodium Sulfate U - S - S -
Sodium Sulfde S - - - S -
Sodium Sulfte S - S - S -
Stearic Acid S - S - S -
Sucrose M - S - S -
Sucrose Alkaline M - S - S -
Sulfosalicyclic Acid U - S - S -
Sulfuric Acid (10%) U - U - S -
Sulphuric Acid (50%) U - U - S -
Sulphuric Acid (conc.) S - U - S -
Solution 555 (20%) S - S - S -
Tetrahydrofuran S - U - M -
Tris Buffer (neutral pH) U - S - S -
Toluene S - M - M -
Trichloroacetic Acid U - U - S -
Trichloroethane - - - - U -
Trichloroethylene - - - - U -
Trisodium Phosphate - - M - S -
Triton X-100 S - S - S -
Urea S - S - S -
Xylene S - M - U -
Zinc Chloride M - U - S -
Zinc Sulfate U - S - S -
"3
Part Two
EB Range:
E20B1, E20B2, E20B4 (12,000rpm centrifuges with pertinent rotor)
E22B2, E22B3, E22B8 (6,000rpm centrifuges with pertinent rotor)
E24B1, E24B4 (6,000rpm centrifuges with pertinent rotor)
E25B5 (3,750rpm centrifuge with pertinent rotor)




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EB RANGE CENTRIFUGE - USER GUIOE
ReguIar Checks
Always make sure the rotor retaining nut is hand tight
With power removed check the power cord for any breaks in the surface
Make sure the bowl is clean and free from debris
Make sure there are no obstructions to the cooling vents
Rotor Na|ntenance and Safety
Rotors should be periodically cleaned either by autoclave (max temp 120°C) or by washing in a dilute
solution of detergent. After washing gently (do not use an abrasive pad), dry with a clean cloth. Check
the rotor for any small cracks or indentations. If any are found, DO NOT USE. A replacement rotor must be
used
CIeanI|ness
For the sake of Health and Safety, it is advisable to keep the Centrifuge clean. WARNING: Before cleaning,
open the lid and then disconnect the power. Clean all surfaces using a damp cloth and a mild detergent.
Dry after cleaning with a clean cloth.
GeneraI Safety
Do not place open containers of liquids on the lid, or use near the electrical socket. WARNING: Do not
move the centrifuge whilst in operation.
EIectr|caI Safety Checks
We recommend that every six months an electrical safety check is performed by a QUALIFIED ENGINEER for
Earth leakage and Bond to comply with European standards and Health and Safety rules.
F|x|ng the Rotor
Carefully lift the rotor and lower over the motor shaft. Push down, ft the washer and fxing, then tighten
using the tool provided.
Must be HAND TIGHT ONLY
Load|ng SampIes
Samples must be loaded equally opposite each other and sample tubes must be flled to the same level.
Remov|ng SampIes
Once the rotor has stopped turning and the green run light is off, press Lid Open. If the rotor has a ftted
lid, remove this. Using fngertips, pick up and remove tubes vertically to a holding container, again held
upright. If using a fxed angle rotor take care not to mix the sample after centrifugation.












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VS""BB/NAIN Parts I|st
ITEM QTY REFERENCES DESCRIPTION
1 2 C1 C2 Capaci t or Mi n Cer ami c Pl at e, 22p, Any, (Rapi d08- 0465)
2 1 C3 Capacitor Multilayer Ceramic 50v, 100n, Any, (Rapi d 08- 0270)
3 3 C4 C6 C7 Capacitor Multilayer Ceramic 50v, 10n, Any, (Rapi d 08- 0260)
4 1 C5 Capacitor Radial 35v, 2200u, Any, (Rapi d 11- 0765)
5 1 X1 Crystal HC49U AT Cut, 11.059MHz, Any, (Rapi d 90- 0215)
6 1 D14 Di ode Li ght Emi t t i ng 5mm Gr een, LED, Any, (Rapi d 55- 0120)
7 1 D13 Di ode Li ght Emi t t i ng 5mm HE Red, LED, Any, (Rapi d 55- 0155)
8 1 D12 Diode Power 1A 50v, 1N4001, Any, (Rapi d 47-3130)
9 10 D2 D3 D4 D5 D6 Di ode Si gnal , 1N4148, Any, (Rapi d 47-3308)
D7 D8 D9 D10 D11
10 1 D1 Di ode Zener 1 3W 51V, BZX85C5V1, Any, (Rapi d 47-3056)
11 1 J2 Header 0.1” 3W Friction Lock, CON3, AMP, MTA ser i es ()
12 1 J3 Header st r ai ght 01” 2W , CON2, AMP, MTA ser i es ()
13 1 J4 Header st r ai ght 01” 4W , CON4, AMP, MTA ser i es ()
14 1 J1 Header st r ai ght 01” 5W , CON4, AMP, MTA ser i es ()
15 1 U1 IC PIC Mi cr opr ocessor DIP18, PIC16F628-20I/ P,
Mi cr ochi p, PIC16F628/ IP (Rapi d 73-3288)
16 1 Q3 MOSFET N Channel 50v 16A LL, RFD14N05L, Any,
RFD14N05L (FEC 516- 405)
17 4 R16 R21 R22 R30 Resistor Carbon Film 0.25W 5%, 10k, Any, (Rapid 62-0314 series)
18 8 R8R10 R11 R12 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es)
R13 R14 R15 R17
19 1 R3 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT1
20 1 R9 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT2
21 1 R6 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT3
22 1 R7 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT4
23 1 R4 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT5
24 1 R5 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT6
25 1 R1 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT7
26 1 R2 Resistor Carbon Film 0.25W 5%, 1k, Any, (Rapi d 62- 0314 ser i es) OPT8
27 2 R25 R32 Resistor Carbon Film 0.25W 5%, 2k2, Any, (Rapi d 62- 0314 ser i es)
28 1 R29 Resi st or Car bon Fi l m 0 25W 5%, 330R, Any, (Rapi d 62- 0314 ser i es)
29 4 R18 R19 R26 R31 Resistor Carbon Film 0.25W 5%, 47k, Any, (Rapi d 62- 0314 ser i es)
30 5 R20 R23 R24 Resistor Carbon Film 0.5W 5%, 1k8, Any, (Rapi d 62- 0562)
R27 R28
31 2 SW1 SW2 Switch PCB Rotary 1P 12W, SR2612, Alpha,SR2612 (Rapi d 79- 0200)
32 2 PB1 PB2 Switch Push Button , SW-PB, ITT, D6 Flat (Arrow 525017)
33 1 Q2 Tr ansi st or Smal l Si gnal NPN, BC182, Any, (Rapi d 81- 0006)
34 1 Q1 Tr ansi st or Smal l Si gnal PNP, BC212, Any, (Rapi d ?)
Note: Items marks OPTn depend on build options
Possible additional parts:-
Socket for U1
St andof f s f or LED1, 2
VS""BB NAIN ISS B Top DverIay
"B
NOTE: All cONNEcTiONs TO bOArd musT bE mAdE fOr pOwEr lEd TO displAy
Inverter to Board Connect|ons
This is the 0–10 volt control that controls the speed and brake rate via the inverter.
Connections as below:
Tachometer
The Tachometer is a horseshoe LED type, 5 volt, sensing dark and light current off the butterfy interrupter.
The only adjustment necessary is to make sure the sensor is central to the horseshoe array.
Apart from a light haired brush to the sensors, to remove dust no other maintenance is necessary.
If tachometer fails or is not connected power LED will not display.





INVERTER WIRING
COLOUR AS FOLLOWS:
10 – N/ A
9 – N/ A
8 – N/ A
7 – WHITE
6 – RED
5 – N/ A
4 – GREEN
3 – N/ A
2 – YELLOW
1 – BLACK
INVERTER WIRING
COLOUR AS FOLLOWS:
10 – N/ A
9 – N/ A
8 – N/ A
7 – WHITE
6 – RED
5 – N/ A
4 – GREEN
3 – N/ A
2 – YELLOW
1 – BLACK
INVERTER
Low volt connection to board junction J1
COLOUR AS FOLLOWS:
Left to Right viewed as in picture (J1 lable to right)
– WHITE – RED – BLACK – YELLOW - GREEN
INVERTER
Low volt connection to board junction J1
COLOUR AS FOLLOWS:
Left to Right viewed as in picture (J1 lable to right)
– WHITE – RED – BLACK – YELLOW - GREEN
Tacho sensor posi t i on
Tacho sensor pl ug t o J2
(near R32/ 33)
"B
L|d Lock|ng Nechan|sm and SoIeno|d
The two point locking mechanism is released by a 12-volt solenoid, capacitor at 20 volts, for a brief period.
This method gives maximum power for a short period without the possibility of burning out the Solenoid
Coil, by remaining on, thus by constantly pressing the lid open button, a wait message appears on the LED
this is while the capacitor charges (approximately 4 seconds).
The lid open sensor is a V3 microswitch, wired normally open.
The actuation is on the latch arm; adjustments can be made only by removing the front panel and trimming
the V3 microswitch arm. The switch is situated front right above the Solenoid (see Picture below).
The Solenoid plug is a 4 way connection to J4 on the Circuit Board (see Picture below)
Apart from adjustment to the Microswitch, or Lid latches (on the lid) dependant on wear.
No ot her mai nt enance i s necessar y
Solenoid and Microswitch:
Notor Connect|ons to Inverter
BLACK 11 t o TH1A BLACK t o M1/ V YELLOW
BLACK 12 t o TH1B BROWN t o M2/ V GREEN GROUP CONNECTOR
BLUE t o M3/ W WHITE







Microswitch arm
Cor r ect al i gnment
Li d syst em pl ug t o J4
}
ED
ImbaIance Oetector
The imbalance Detector is a V3 microswitch wired normally closed.
A break in the circuit actuates the motor brake and the rotor comes to a safe stop.
The circuit is 5 volt from the main board.
The adjustment is by two pozihead screws on the underside of the base plate.
Release and push forward or backwards to adjust.
NOTE: a 3mm gap should be between the stop and the detector arm for normal use.

Na|ns InIet F|Iter
The Mains inlet is double fused, with an IEC Socket for the
power source.
It is held in place with 2 Countersunk M3 Screws.
Fuses are 5 x 20mm 6.3 (TA) Slow blow only.
Wiring to flter is shown as right.
F|Iter
To comply with EMC regulations a 5 amp flter is ftted. This has been
tested and complies with radiated and transmitted specifcations.
Connections are as on the Filter and should NOT be reversed (see
phot ogr aph)
L|ve to Inverter [after hIter]
BROWN t o L1
BLUE t o L2/ N
EARTH t o EARTH









Imbal ance ar m
Imbal ance pl ug t o boar d
connect i on J3
Mains inlet to flter wiring
BROWN BLUE
E"
Part Three
"DDD Ser|es:
1020D.E (6,000rpm centrifuge with choice of rotor)
1030D (4,000rpm Cytology centrifuge with rotor)
1050D (2,000rpm Cytology centrifuge with rotor)



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L I V E
N E U T R A L
M O T O R A R M
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M O T O R F I E L D
T R A N S F O R M E R L I V E
T R A N S F O R M E R N E U T R A L
T R A N F O R M E R A C 1
T R A N F O R M E R A C 2
F A N + V E
F A N 0 V
L I D S O L E N O I D R I G H T 1
L I D S O L E N O I D R I G H T 2
L I D S O L E N O I D L E F T 1
L I D S O L E N O I D L E F T 2
L I D S W I T C H 1
L I D S W I T C H 2
T A C H O + V E
T A C H O O / P
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B A L A N C E S W I T C H 1
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S E G F
S E G G
S E G D P
D I G 3
D I G 4
S E G A
S E G B
S E G C
S E G D
S E G E
S E G F
S E G G
S E G D P
S E G A
S E G B
S E G C
S E G D
S E G E
S E G F
S E G G
S E G D P
D I G 5
D I G 6
S
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D
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6
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B R A K E
S P E E D +
S P E E D -
T I M E +
T I M E -
S T A R T
O P E N
P U L S E
L
ID
-
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3D
3"
1 1
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F
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1
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t
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B
R
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1
4
3"
3E
Tachometer
The Tachometer is a horseshoe LED type, 5volt, sensing dark and light current off the butterfy interrupter.
The only adjustment necessary is to make sure the sensor is central to the horseshoe array.
Apart from a light haired brush to the sensors, to remove dust no other maintenance is necessary.
Notor connect|ons
These are the Mains power connections to the series
wound motor.
Connect i on i s t o J1
L|d Lock|ng Nechan|sm and SoIeno|d
The two point locking mechanism is released by a 12-volt solenoid, capacitor at 20 volts, for a brief period.
This method gives maximum power for a short period without the possibility of burning out the Solenoid
Coi l , by r emai ni ng on, t hus by const ant l y pr essi ng t he l i d open but t on, a ‘ WAi t ’ message appear s on t he LED
this is while the capacitor charges (approximately 4 seconds).
The lid open sensor is a V3 microswitch, wired normally open.
The actuation is on the latch arm; adjustments can be made only by removing the front panel and trimming
the V3 microswitch arm. The switch is situated front right above the Solenoid (see Picture below).
The Solenoid plug is a 4 way connection to J5 on the Circuit Board (see Picture below)
Apart from adjustment to the Microswitch, or Lid latches (on the lid) dependant on wear.
No ot her mai nt enance i s necessar y












Tacho sensor
posi t i on
Connect i on J4
t o boar d
33
SoIeno|d and N|crosw|tch:
ImbaIance Oetector
The imbalance Detector is a V3 microswitch wired normally
cl osed
A break in the circuit actuates the motor brake and the rotor
comes t o a saf e st op
The circuit is 5 volt from the main board.
The adjustment is by two pozihead screws on the underside of the
base pl at e
Release and push forward or backwards to adjust.
NOTE: a 3mm gap should be between the stop and the detector arm
f or nor mal use





Microswitch Arm
Li d l at ch t o l i d
(cor r ect posi t i on
al i gned t o si de)
Li d Syst em Connect i on t o J5
Imbal ance Ar m pl ug t o boar d J4
Imbal ance Ar m
showing correct
gap of 3mm
Imbal ance Ar m
34
Na|ns InIet F|Iter
The Mains inlet is double fused, with an IEC Socket for the power source.
It is held in place with 2 Countersunk M3 Screws.
Fuses are 5 x 20mm 6.3 (TA) Slow blow only.
Wiring to flter is shown as below.
F|Iter
To comply with EMC regulations a 5 amp flter is ftted.
This has been tested and complies with radiated and transmitted
specifcations.
Connections are as on the Filter and should NOT be reversed
(see below)
Buzzer and F|tment [opt|onaI extra]
The buzzer is a 12 volt type, ftted to the front panel by a tape backing.
The connect i on i s t o J6, a 3 pi n connect or
The buzzer sounds at the end of the run, stays on for a few minutes and then shuts off (so as not to be
intrusive).
No mai nt enance i s necessar y








Mai ns connect i on t o J3 Mai ns i nl et
Brown (Live)
Brown (Live) Bl ue (Neut r al)
Bl ue (Neut r al) Bl ue (Neut r al)
Bl ue (Neut r al)
Brown (Live)
Bl ue (Neut r al)
3b
Transformer and Connect|on
The transformer is a 12 volt 20Va type, held in position with two fat washers, spring washers and M4 nuts.
This unit powers the circuit board (regulated down further to 5 volts), lid lock and buzzer.
The wiring from the top is Mains voltage (brown wires). Area dependent.
The two lower wires (as marked are 12 volt) DO NOT USE mains power here.
These 12 volt (blue wires) pass into a Molex two pin plug to J2 on the circuit board.




Blue (12volt)
Tr ansf or mer posi t i on Tr ansf or mer pl ug t o J2
Brown
3B
37
Part Four
EDDD Ser|es, K Ser|es and KR Ser|es:
ED3D [B,DDDrpm CeII Washer centr|fuge w|th rotor]
EDbD [E,DDDrpm CytoIogy centr|fuge w|th rotor]
ED"D ["3,3DDrpm centr|fuge w|th cho|ce of rotor]
ED"DH ["E,DDDrpm Haematocr|t centr|fuge w|th rotor]
ED"b ["b,DDDrpm centr|fuge w|th cho|ce of rotor]
EDED [B,DDDrpm centr|fuge w|th cho|ce of rotor]
ED4D [3,BDDrpm centr|fuge w|th rotor and adaptors]
ED4" [B,DDDrpm centr|fuge w|th cho|ce of rotor]
NULTI RDTDR CENTRIFUGES:
KEDBD ["3,3DDrpm centr|fuge w|th cho|ce of rotor]
KED4E ["E,DDDrpm centr|fuge w|th cho|ce of rotor]
KEED ["b,DDDrpm centr|fuge w|th cho|ce of rotor]
KE4D ["b,DDDrpm centr|fuge w|th cho|ce of rotor]
KE4DR ["b,DDDrpm refr|gerated centr|fuge w|th rotors]
KEBDR ["b,DDDrpm refr|gerated centr|fuge w|th rotors]
3B
2
0
0
0
a
n
d
K
M
O
D
E
L
S
O
P
E
R
A
T
I
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G
M
A
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U
A
L
F
u
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c
t
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r

R
c
f
/
R
p
m

m
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:
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l
d

d
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w
n

F
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c
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a
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p
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L
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(
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d
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4B
VS""B"/C" ISS A Part I|st
It m Qt y References Descr i pt i on
1 1 BR1 Bridge Rectifer 1.5A 200V Glass pass, W02G, Any, W02G (RS 659-826)
2 2 C17 C18 Capaci t or Mi n Cer ami c Pl at e, 22p, Phi l l i ps, 680 34229 (RS 167- 0442)
3 14 C1 C2 C3 C4 C5 C6 Capacitor Multilayer Ceramic 50v, 100n, Any, (RS 264-4949)
C7 C8 C9 C10 C16
C24 C25 C26
4 1 C11 Capacitor Multilayer Ceramic 50v, 100n, Any, (RS 264-4949) [RF]
5 4 C20 C21 C22 C23 Capacitor Multilayer Ceramic 50v, 10n, Any, (RS 264-4832)
6 1 C14 Capacitor Radial Al Elec (low ESR) 25v, 100u, ELNA RSH Series, (FEC 108-834)
7 1 C15 Capacitor Radial Al Elec 25v, 2200u, Rubcon YXF series, (RS 191-7791)
8 1 C12 Capacitor Radial Al Elec 25v, 470u, Rubicon YXF series, (RS 191-7779)
9 1 C13 Capaci t or Radi al Snap i n 35V, 4700u, Any, (RS 127- 458)
10 1 C19 Capacitor sub min Radial Al Elec 50v , 1u, Any, (RS 205-1959)
11 1 J12 Connector RJ45 4/4 Vertical, CON4, Stewart Connector Systems Inc, SS-6544-NF
(RS 437-187)
12 1 X1 Crystal HC18U AT Cut, 11.059MHz, Any, (RS 226-1774)
13 3 D1 D2 D3 Diode Power 1A 800v, 1N4006, Any, (RS 261-974)
14 3 D4 D5 D6 Di ode Si gnal , 1N4148, Any, (RS 271- 606)
15 1 J3 Header 0.1” 3W Friction Lock, CON3, AMP, MTA series (RS 132-0361) [N]
16 1 J5 Header Pi n PCB 2W, CON2, Mol ex, 26- 48-1245 (par t ) (FEC 151- 899)
17 1 J6 Header Pin PCB 3W, CON3, Molex, 26-48-1245 (part) (FEC 151-899) [RF]
18 1 J4 Header straight 0.1” 2W , CON2, AMP, MTA series (RS 132--0355) [RF]
19 1 J2 Header st r ai ght 01” 4W , CON4, AMP, MTA ser i es (RS 132- 0377)
20 1 J1 Header st r ai ght 01” 8W , CON8, AMP, MTA ser i es (RS 132- 0377)
21 1 U9 IC ADC 8 bit serial, TLC549, Texas Inst, TLC549IP (RS 650-093) [RF]
22 1 U2 IC CMOS EPROM 256k 200ns, 27C256/512, Any,(Any)
23 1 U4 IC CMOS Serial EEPROM 4k, 93C66, SGS, ST93C66B1 (RS 322-3874)
24 1 U12 IC HC CMOS Hex Schmitt Inverter, 74HC14, Any, (RS 300-568)
25 3 U5 U6 U7 IC HC CMOS Oct al t r anspar ent l at ch, 74HC573, Any, (RS 300-754)
26 1 U11 IC HC CMOS Quad NAND, 74CH00, Any, (RS 301-224)
27 1 U8 IC LED Display driver, ICM7228AIPI, Intersil, (RS 648-696)
28 1 U3 IC Microprocessor 80C32 12MHz, SAB80C32P, Any, (RS 427-720)
29 1 U13 IC RS232 Transceiver, MAX202CPE, Any, (Any)
30 1 U1 IC Voltage Regulator +5v with reset output, L387A, SGS, L387A (RS 263-267)
31 1 U10 IC dual op-amp, LM2904N, Nati Semi, LM2904N (RS 810-273) [RF]
32 3 LED1 LED2 LED4 LED Dual 7 Segment Di spl ay Gr een Common Anode, DA56-11GWB, Ki ngbr i ght ,
DA56-11GWB ( ????)
33 1 LED3 LED Dual 7 Segment Di spl ay Gr een Common Anode, DA56-11GWB, Ki ngbr i ght ,
DA56-11GWB (????) [RF]
34 1 Q3 MOSFET N Channel 50v 16A, BUZ71A, Any, (RS 325-9479)
35 1 RP1 R Pack 8 commoned 9 pin SIL 5%, 10k, Any, (RS 140-978)
36 1 SSR1 Relay Solid state 4A 240vac, MP240D4, CRYDOM, MP240D4 (RS 291-1823) [RF]
37 1 R3 Resi st or Car bon Fi l m 1W 5%, 100R, Any, (RS 131-772)
38 2 R1 R2 Resi st or Met al Fi l m 0 25W 1%, 100R, Any, (RS 148-269)
39 5 R4 R5 R6 R7 R8 Resistor Metal Film 0.25W 1%, 100k, Any, (RS 148-972)
40 7 R15 R16 R17 R18 R19 Resistor Metal Film 0.25W 1%, 10k, Any, (RS R27 R28 148-736)
41 1 R21 Resistor Metal Film 0.25W 1%, 18k, Any, (RS 148-792) [RF]
42 5 R10 R11 R12 R13 R14 Resi st or Met al Fi l m 0 25W 1%, 1M, Any, (RS 149-228)
43 2 R23 R24 Resistor Metal Film 0.25W 1%, 2k2, Any, (RS 148-584) [RF]
44 2 R38 R39 Resi st or Met al Fi l m 0 25W 1%, 470R, Any, (RS 148- 427)
45 2 R25 R26 Resistor Metal Film 0.25W 1%, 47k, Any, (RS 148-893)
46 8 R9 R29 R30 R32 R33 Resistor Metal Film 0.25W 1%, 4k7, Any, (RS R34 R35 R36 148-663)
47 2 R22 R31 Resistor Metal Film 0.25W 1%, 4k7, Any, (RS 148-663) [RF]
48 1 R20 Resistor Metal Film 0.25W 1%, 68k, Any, (RS 148-938) [RF]
49 1 RV1 Resistor POT vertical 20T, 20k, Bourns, 3296W (RS 160-102) [RF]
50 1 RV2 Resistor POT vertical 20T, 5k, Bourns, 3296W (RS 160-089) [RF]
51 7 PB2 PB3 PB4 Switch Push Button , SW-PB, ITT, D6 Flat PB7 PB8 (Arrow 525017)
PB5 PB6
52 1 PB11 Switch Push Button , SW-PB, ITT, D6 Flat (Arrow 525017) [N]
53 3 PB1 PB9 PB10 Switch Push Button , SW-PB, ITT, D6 Flat (Arrow 525017) [RF]
54 3 Q2 Q4 Q6 Tr ansi st or Smal l Si gnal NPN, BC182B, Any, (Any)
55 1 Q5 Transistor Small Signal NPN, BC182B, Any, (Any) [RF]
56 1 Q1 Tr ansi st or Smal l Si gnal PNP, BC212B, Any, (Any)
47
Add|t|onaI parts
Socket for U2
Heatsink and clip for U1
Bui l d Opt i ons
[RF] = refrigerated version only
[N] = normal version only
4B
Tachometer
The Tachometer is a horseshoe LED type, 5volt, sensing dark and light current off the butterfy interrupter.
The only adjustment necessary is to make sure the sensor is central to the horseshoe array.
Apart from a light haired brush to the sensors, to remove dust no other maintenance is necessary.
L|d Lock|ng Nechan|sm and SoIeno|d
The two point locking mechanism is released by a 12-volt solenoid, capacitor at 20 volts, for a brief period.
This method gives maximum power for a short period without the possibility of burning out the Solenoid
Coil, by remaining on, thus by constantly pressing the lid open button, a wait message appears on the LED
this is while the capacitor charges (approximately 4 seconds).
The lid open sensor is a V3 microswitch, wired normally open.
The actuation is on the latch arm; adjustments can be made only by removing the front panel and trimming
the V3 microswitch arm. The switch is situated front right above the Solenoid (see Picture below).
The Solenoid plug is a 4 way connection to J5 on the Circuit Board (see Picture below)
Apart from adjustment to the Microswitch, or Lid latches (on the lid) dependant on wear.
No ot her mai nt enance i s necessar y
SoIeno|d and N|crosw|tch:










Tacho connect i on t o J1 (near C1/ C23) Tacho sensor
Microswitch arm
Li d l at ch t o l i d
(cor r ect posi t i on al i gned t o si de)
4B
L|d System Connect|on:
ImbaIance Oetector
The imbalance Detector is a V3 microswitch wired normally closed.
A break in the circuit actuates the motor brake and the rotor comes
t o a saf e st op
The circuit is 5 volt from the main board.
The adjustment is by two pozihead screws on the underside of the
base pl at e
Release and push forward or backwards to adjust.
NOTE: a 3mm gap should be between the stop and the detector arm for normal use.






Li d syst em pl ug J2
Imbal ance pl ug t o boar d posi t i on J1
(near C21)
Imbal ance ar m
Cor r ect gap (3mm)
bD
Na|ns InIet F|Iter
The Mains inlet is double fused, with an IEC Socket for the power source.
It is held in place with 2 Countersunk M3 Screws.
Fuses are 5 x 20mm 6.3 (TA) Slow blow only. R Version is 10 amp (TA)
Wiring to flter is shown as below.
Wiring to Inverter is EARTH to EARTH, BROWN to L1 and BLUE to L2/N
F|Iter
To comply with EMC regulations a 5 amp flter is ftted.
This has been tested and complies with radiated and transmitted
specifcations.
Connections are as on the Filter and should NOT be reversed
(see phot ogr aph)





Mains inlet wiring
Bl ue (Neut r al)
Brown (Live)
Brown (Live) Bl ue (Neut r al)
Brown (Live)
Bl ue (Neut r al)
Mains connection to Inverter
Buzzer and F|tment [opt|onaI extra]
The buzzer is a 12 volt type, ftted to the front panel by a tape backing.
The connect i on i s t o J3, a 3 pi n connect or
The buzzer sounds at the end of the run, stays on for a few minutes and then shuts off (so as not to be
intrusive)
No mai nt enance i s necessar y
Notor Connect|on to Inverter
BLACK 11 t o TH1A BLACK t o M1/ U YELLOW
BLACK 12 t o TH1B BROWN t o M2/ V GREEN GROUP CONNECTOR
BLUE t o M3/ W WHITE




}
b"
Transformer and Connect|on
The transformer is a 12 volt 20Va type, held in position with two fat washers, spring washers and M4 nuts.
This unit powers the circuit board (regulated down further to 5 volts), lid lock and buzzer.
The wiring from the top is Mains voltage (brown wires). Area dependent.
The two lower wires (as marked are 12 volt) DO NOT USE mains power here.
These 12 volt (blue wires) pass into a Molex two pin plug to J5 on the circuit board.
Tr ansf or mer posi t i on Tr ansf or mer pl ug posi t i on J5
Rotor Recogn|t|on Sensor [K ser|es onIy]
A Hall effect sensor, fxed to the motor top, senses magnet fux from placed magnets in the required rotor.
A Rotor must be used with the K Series.
The amount of smal l magnet s per r ot or ar e per t i nent t o t he maxi mum speed of each r ot or
The sensor counts the fux number per rotation, advising a look up table and setting the rotors paramaters
f or saf et y
Maintenance. Other than checking the distance from sensor to magnet (2-6mm max) no other maintenance
i s necessar y









Connect i ons t o J1 near C22 Rot or r ecogni t i on sensor
bE
K Refr|gerated Ser|es onIy:
Temperature Probe
The Temperature probe is an AD592AN: IC Transducer.
Wiring is to the two outer legs only, the centre leg is removed.
The transducer is mounted in a Stainless steel M8 Shroud with Heat sink compound. The Assembly is then
bolted in position to the outer rim of the bowl (as shown).
Twin wires are taken forward to the Circuit Board to socket J4
RepIacement of Probe
After extracting the probe and replacing, the new probe will require calibrating.
RV1 and RV2 on the circuit Board will require “trimming” to the correct temperature.
A thermometer accurate to 0.5ºC will be required.
By placing the thermometer near the probe in the bowl, calibrate RV1 to 0ºC then RV2 to ambient, go back
to RV1 to recheck.
For K280R a 7ºC offset is required and the K240R a 5ºC offset. These offsets are to allow for bowl mixing
of temperature variation over its depth.
Refr|gerat|on [KR Ser|es onIy]
The Compressor is a standard unit Electrolux GL60 PB charged with R134A gas at a charge 120Gms. An
equivalent can be used that has the same footprint.
Capi l l ar y l engt h i s 3 met r es of 031mm bor e
Suct i on l i ne l engt h i s 76Cm of 5/ 16” t ubi ng, t he dr yer i s a 10gm t ype
Fan i s a st andar d mai ns t ype
Wiring to the compressor is shown here.














Temper at ur e pr obe connect i on t o J4
Fan power
Mains power
Temperature probe housing to bowl
Ref r i ger at ed uni t compr essor f r om r ear
b3
Heater W|r|ng [KR Ser|es onIy]
The Heater is a 5.77 metre coil of 30 Ohm shrouded wire.
This is wound between the Cooling coils and controls the temperature by pulsing on off via a solid-state
r el ay (SSR1)
This is controlled by a PID system (Proportional, Integral, Derivative) for accuracy.
Connection to board is as below. Mains wiring to connector is also shown.
Inverter Connect|ons EDDD, K 8 KR ser|es onIy
By St uar t Pl ug connect i ons




Heater wire plug to J6
Mai ns pl ug f or compr essor f an
and heat er
Boar d connect i on J12 Inverter connection
b4
Test "3/"B v|a LEO O|spIay [not EB ser|es]
This series of tests allow you to check the various electronic controls.
CHECKS for: Tachometer, Imbalance Detector, Lid Sensor, Watchdog, EE Prom.
LED display and amplifer can be made via the keypad and LED display.
To access, foIIow these |nstruct|ons:
Make sure the Centrifuge power is turned off and the centrifuge lid remains open.
Press the Pulse key on the front panel. Keep held down.
Turn on the power.
When ‘test 13’ shows on the LED display, remove your fnger from the pulse button.
Press the time up button (7181 15 or later revision number will show)
Press the time up button (EetSt will show)
Press the speed up arrow (Pass should show)
Press the time up arrow (8888 88 should show)
Th|s |s the LEO segment test.
Press the speed up arrow to increment the sections.
Press the time up arrow .18. (255 should show, or less ADC)
Th|s |s the temperature probe vaIue.
This is only applicable to the K2R version.
Values versus temperature are shown in a separate table for these models only.
Press the time up arrow .19. (001 0r 101 should show)
These are the tests for Tachometer
r ot at e t he mot or t o see t he change 0-1 (l ef t LED)
Imbal ance det ect or, push t he mot or si de t o si de 0-1 change (r i ght LED)
Li d sensor, shut t he l i d 0-1 (mi ddl e LED)
Note for the K3 8 R ser|es onIy.
There is another display before the tachometer; this shows the rotor recognition sensor.
Rotate the motor, 0-1 will show on the display (rotor must be ftted)
Press the time up arrow. 20. (BuztSt should show)
Press the speed up arrow to turn the buzzer (if ftted) on or off.
Press the time up arrow .21. (dOGt St should show)
Th|s |s the watchdog c|rcu|t test.
Press the Speed up arrow to return to normal.
HELLO should show on the display. You can now use the Centrifuge.



















bb
WARRANTY
also
See separate document for UK
See separate document for non UK
AII modeIs worIdw|de
"DDD ser|es . . . . . . . . . . . . "yr
EDDD ser|es . . . . . . . . . . . . Eyrs
K ser|es . . . . . . . . . . . . . . . Eyrs
KR ser|es . . . . . . . . . . . . . . Eyrs
Manufactured by:
Centur|on Sc|ent|f|c Ltd
Unit A2 Ford Airfield Industrial Estate,
Ford, Arundel, West Sussex. BN18 0HY. UK
TeI: +44 [D] "BD3 7E"DED
Fax: +44 (0) 1903 725496
e-mail: [email protected]
www.centur|onsc|ent|f|c.co.uk
O|str|buted by:
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