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SERVICE MANUAL FOR LABORATORY

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2. Reason Incorrect adjustment of the imbalance switch Error no 2 Permanent imbalance signal Reason Parting at the imbalance signal cable Reason Position of the imbalance switch not correct t imbalance wich Reason Imbalance switch is defective i mbalance switch and Error no 10 Overtemperature in the rotor chamber more than 50 C Reason Failure of the refrigeration system Reason Temperature sensor defective Error no 11 Temperature sensor Reason Short circuit at the temperature sensor Z 513 Z 513 K Sep 96 bd Error no 20 No rotor identification se No rotor inserted Rotor identification sensor defective Reason Inserted rotor has no indicator ring Reason Rotor is not seated on the motor shaft correctly Error no 21 Start bit is missing Reason A magnet of the indicator ring is missing he indicator ring of the ro Error no 22 Rotor is not mentioned in the rotor chart Reason Rotor is not authorized for this unit Error no 25 Power failure Reason Power failure while rotor is in motion Z 513 Z 513 K Sep 96 bd Error no 30 Radius correction NE Reason Radius correction value too big Error no 36 Relay for the frequency converter ca
3. Z 513 Z 513 K Sep 96 bd Content Chapter 1 Exchanging of the operational control 3 4 1 2 Dismounting of the centrifuge housing 3 4 2 3 3 Exchanging of the rotor identification sensor 3 4 4 4 Exchanging of the motor 3 4 5 5 Exchanging of the power board 3 4 6 6 Exchanging of the frequency converter 3 4 7 7 Adjustment of the imbalance switch 3 4 9 After doing any kind of assembling work please make sure that all the protection grounded contacts are connected correctly Z 513 Z 513 K Sep 96 bd 1 Exchanging of the operational control i Push the frame of the operational control approx 2 mm up see sketch 1 Pull the lower part of the operational control out of the housing as shown in sketch 1 Tip it out of the front side sheet metal see sketch 2 Unplug all electrical connections Set in the new element in the front side sheet metal in reversed order Attention Make sure that the adjustment of the operational control is correct see chapter 3 3 6 Sketch2 Z 5137 Z 513 K Sep O6 bd 2 Dismounting of the centrifuge housing a Back side sheet metal Remove the screws 1 10 on the back side of the unit Take off the back side sheet metal Unplug the ground connection D Housing Remove the operational control point 1 and the back side sheet me
4. SERVICE MANUAL FOR LABORATORY CENTRIFUGES Z513 Z513K n 07426 96 2255 x 07426 96 2249 ALE Instruction manual Technical Data Service instructions Wiring diagram Error messages Spare part list Informations ma um Content Acceleration and deceleration curves Lowest temperature for the Z 513 K Imbalance switch off dates Z 513 Z513 K Sep 96 bd Chapter 2 1 2 2 2 3 2513 230 V Acceleration Deceleration time in sec brake intensity vo eel m 20mve o mn Deceleration brake intensity 180 sec Z 513 Z513 K Sep 96 bd Lowest sample temperature 220 70 VOS 220 70 V05 220 29 V03 220 41 V03 220 78 V02 A SA Ambient temperature 25 C The absolute end temperatures can be subject to flucations of 2 C due to power tolerances of the refrigeration unit The lowest sample temperature are depending on the ambient temperature If the ambient temperature is increasing the lowest sample temperature that can be reached is increasing as well Z 513 Z513 K Sep 96 bd Allowed imbalance in grams Cutoff imbalance in grams Cutoff speed 22076 vor o se o e pga
5. Therefore the user can select the required sample temperature 1 C Samples cannot be damaged by discrepancies between chamber temperature and sample temperature Z 513 Z 513 K Sep 96 bd D Pd y gt N E O SC D CH D D da L 03 en D lt et Den oO E bd O Ka O x Jesu puoo Ao1oeloD eug BABA plouajos BABA volsuedx JosssJduon SALA Jepelyog JojeJode Ay Z 513 Z 513 K Sep 96 bd 3 instrument quantity measuring system for the freon and a manometer combination Attention Only use R134a Emptying and filling with coolant R134a For doing this work you have to have the following equipment Coolant suction implement with collecting tank vacuum pump vacuum measuring Emptying of the refrigeration system Remove the housing parts until the refrigeration system is self contained see chapter 3 5 Connect the front panel back to the system so that the unit can work without housing Connect the coolant suction implement with the valve see sketch chapter 3 6 4 Start the self test program and choose test range 4 output test solenoid valve open Evacuate the coolant from the system Now you can carry out the necessary repair work on the refrigeration system Filling of the refrigeration system Connect the vacuum pump the manometer combination and the coolant bo
6. Rotor No Cutoff speed Allowed Cutoff in rom imbalance imbalance in grams in grams 220 70 V06 1920 220 70 V05 1950 220 41 VO3 1930 220 78 VO2 1920 220 29 VO3 1960 220 80 VO2 1900 Z 513 Z513 K Sep 96 bd Content General technical instructions Electric and electronical components Self test program Service tips for Z 513 Service tips for Z 513 K Colling system Z 513 K Z 51377 513 K Sep 96 bd Chapter 3 1 3 2 3 3 3 4 3 5 3 6 The Z 513 Z 513 K is a microprocessor controlled laboratory centrifuge The actuation is a three phase asynchronous motor which is controlled by a frequency converter The unit has an independent diagnostic program which helps you with the trouble shooting by indicating the error number on the digital display The 12K KBR is equipped with several safety facilities as imbalance recognition overspeed protection and overtemperature protection of the motor Please follow the below mentioned safety instructions for any kind of service The capacitor of the frequency converter can be under voltage even if the unit is switched off Don t leave units without supervision where you have removed some parts of the housing and the unit is still connected to the main power S Don t bypass the lid safety contacts and never work with the lid open The VDE regulations are valid for all electrical work that has to be do
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9. driven 120 V for control panel with 2 PCB 940 186 250 05 VO2 286 70 lid lock motor driven 230 V for control panel with 1 PCB 940 187 250 05 VO7 278 50 lid lock motor driven 120 V for control panel with 1 PCB 940 188 250 05 V08 278 50 imbalance switch 940 190 274 01 02 04 29 60 rotor sensor 940 191 LK137 133 70 contactor 940 192 30 0137 95 90 speed sensor brown housing 940 199 32 0220 63 30 fuse set 230 V 16 AT 940 213 LK185 5 10 fuse set 120 V 16 AT 940 214 LK186 6 20 power connection with fuse holder 230 V 940 217 LK128 73 50 power connection with fuse holder 230 V 940 218 LK134 88 80 imbalance switch only conecting cable 940 220 LK157 20 40 magnet for speed sensor without housing 940 236 44 0047 28 60 potientiometer 10 K 940 245 940 245 8 20 micro switches set for motor driven lid lock 940 260 29 60 motor for lid lock 120V 940 262 87 10 speed sensor white housing 940 263 940 263 magnet for speed sensor with housing 940 264 940 264 stopper imblance 950 006 20 5054 5 10 centrifuge rubber feet 950 014 26 5034 9 20 motor rubber mount diam 30 x 30 mm 50 55 Shore 950 019 26 5057 10 20 hinge 950 131 38 5597 22 50 lid latch 950 132 274 01 06 04 22 50 motor cover 950 135 274 01 10 04 33 70 motor rubber mount 950 136 274 01 26 04 21 50 chamber gasket 1630 mm grey 950 152 950 152 64 30 sight glas 960 034 244 00 51 04 6 20 power board 120 V for control panel with 2 PCB exchange part R913 009 R266 08 11 02 200 60 power boar
10. operational control as described under point 1 Remove the centrifuge housing as described under point 2 a Remove the rotor sensor as described under point 3 Unplug the connection cables of the motor you will find the location of the connectors in chapter 4 Remove screws 1 4 of the motor mount Bind a pice of string to the conectors of the motor wires this allows you to pull the wires of the new motor back through the holes in safty frame Lift the motor out of the unit Pay attention to the arrangement of the wiring when replacing the motor Reassemble the unit in reversed order Z 513 Z 513 K Sep 96 bd 5 Exchanging of the power board Remove the operational control point 1 S Remove the centrifuge housing point 2 a b Unplug all cable connections of the power board Remove the screws 1 7 Reassemble the unit in reversed order Z 513 Z 513 K Sep 96 bd 6 Exchanging of the frequency converter Remove the operational control point 1 Remove the centrifuge housing point 2 a b Unplug all cable connections of the frequency converter Remove the screws 1 4 of the frequency converter and take it out of the unit Attention before you place the new frequency converter you have to apply heat conduction paste on the seating Reassemble the unit in reversed order Z 513 Z 51
11. radius If there is a 1 on the indication fixed or flashing it means that there is a signal or that the contact is closed If there is a 0 it means that there is no signal rpm g value time min a b c q e f 9 a Imbalance e Rotor identification low speed b Lid lock f Rotor identification high speed C not occupied g Serial interface d Speed identification a Imbalance The display a has to be 0 If you press the imbalance switch see chapter 3 4 9 the display changes to 1 b Lid lock With the centrifuge lid open the display b is 0 If you close the lid the indication has to show 1 Z 513 Z 513 K Sep 96 bd c e f g Not occupied Speed identification As long as the motor is out of action the indication d shows 0 If the motor is turning the indication changes to 1 Turn the motor by hand to check the sensor Rotor identification The rotor identification sensor consists of two hall effect sensors Due to that the indicator rings have two different diameters of code rings but for each rotor only one of the rings are occupied either inner or outer ring Depending on the rotor high or low speed the indication e or f shows a 1 when the rotor is turning Instead of using a rotor you can rub gently with a permanent magnet over the sensor After doing that the indication e and f also have to s
12. the frequency converter Reason Fan of the housing ventilation is defective vent hole is covered ambient temperature is too high Error no 90 Lid was open during run Reason Lid lock switch is defective Reason Wire to the lid lock is broken Error no 94 Voltage drop during operation Reason Voltage drop of more than 10 Volt 8 1 Z 513 Z 513 K Sep 96 bd spare part list Z51383 K 5 z 89 o So o gt 2 HI Article o g frequency converter 230 V with 2 PCB 913 019 20 0238 808 90 power board for control panel with 1 PCB 120 V 230 V 913 022 HE 134 10 03 151 00 control panel with 1 PCB 913 033 271 01 11 02 455 00 frequency converter 230 V with 1 PCB 913 034 20 0243 596 70 motor 230 V 120 V 923 007 274 08 40 02 393 80 housing for hinge version 933 031 277 01 13 00 340 70 lid complete for hinge version 933 032 277 01 21 01 269 30 fuse 16 AT 230 V 5 x 20 mm 940 025 25 0095 5 10 fuse holder 230 V 940 026 25 0096 16 40 cover for fuse holder 940 032 25 0109 7 20 fan 230 V 940 046 32 0033 54 10 micro switch imbalance 940 069 38 0082 10 20 rocker switch power vertikal 940 086 38 0202 8 20 line filter 230 V 120 V 940 160 40 0111 87 80 temperature sensor for control panel with 2 PCB analog 940 168 LKO46 31 70 temperature sensor for control panel with 1 PCB digital 940 179 LK107 38 80 lid lock motor driven 230 V for c
13. 3 K Sep 96 bd 9 Adjustment of the imbalance switch Insert a rotor in the centrifuge Load one bore hole of the rotor with an imbalance switch off weight mentioned in the chart see chapter 3 4 9 If a microlitre rotor is placed in the centrifuge you have to insert several adjacent reaction tubes a Start the centrifuge the unit should switch off at the cut off speed mentioned in the chart chapter 3 4 9 for the corresponding rotor If the unit is not switching off you have to release the fixing nut 1 With the adjustment screw 2 you can adjust the imbalance switch off more sensitive turn right S You can reach the screws from the left side at the bottom of the unit If the unit is switching off load the rotor with the allowed imbalance weight see chapter 3 4 9 Start the centrifuge the unit should not switch off again If required adjust the imbalance switch off with the adjustment screw 2 less sensitive If you have to readjust the imbalance switch for the test with the allowed imbalance you have to repeat the procedure with the imbalance switch off weight Z 5372 513 K Sep 96 bd Allowed imbalance in grams Cutoff imbalance in grams Cutoff speed CA A EE EN ta Z 513 Z 513 K Sep 96 bd Content 1 Functional description of the refrigeration system 2 Keyplan of the r
14. Back side sheet metal Remove the screws 1 8 on the back side of the unit Take off the back side sheet metal Unplug the ground connection b Housing Remove the operational control point 1 and the back side sheet metal point 2a Remove screws 1 10 around the lower edge of the centrifuge Z 513 Z 513 K Sep 96 bd Remove the nuts 1 and 4 Unplug the grounded wire of the housing Lift up the housing Reassemble the unit in the reversed order Lid Remove the back side sheet metal as described under point 2a Unlock the lid Remove the screws 1 16 of the hinges Pay attention to the fastening bar of the hinges at the inner side of the unit Now the lid can be removed completely Reasemble the lid in the reversed order AE s dle dok TRECE EA O SS Z 513 Z 513 K Sep 96 bd 3 Exchanging of the rotor identification sensor Remove the operational control point 1 Remove the centrifuge housing point 2a b Take off the motor protection cover screws a to c Unplug the sensor cable at the power board Release the flat head screws 1 3 of the sensor flange Take the flange together with the sensor out of the unit Take care of the sensor cable Exchange the sensor with a new one Reassemble the unit in reve
15. DEEN Ti V puensjang a I 1 pejuang Le ee dy no KE line wjres p3 NG EES er a s SE l asneyan EE ypss pn 304008 320 pi Sal EMS ADORO E ED Uezsieian J0ssaudang MA ES ANS WEAR SS RS Joyo ayuasajsajuj is uey Ja TIAN J0 0w snouojujJu se A nl 131307 JOJOWUOJYIU S Y WOJ ISYA 474 Ozxs LV9 Bunsaya szjessg S8LMTISI ims ueu TE ET ETE IE EIER 3904 Re ee VOLADET INPOWZJAN AZIM SL J045 eg AQEZ JaydasJatpo JOYI ISL ee d 0091 43 PJ24OS JYINAUN IN QUBA LSLYT ISI IYI XZ l d1 d 1N lodos laaespueawel4 asi ISI DO I 48114748 MEWS Doan OSLAT ISL d N SZH 418 dwox u3sue jjolou CELT SL bunsaynsuag JUAN IN 057 Y iodo laqespuequ3e J 2131 YS K 977 Kunpugsansbunpsg 91031 ISI 1408 AOE 0871 Se LEONT ISZ d Jabuey Auanbas l 0611 Dunpuasansbunps 9LONT IST es sabibueygesnjeJadua Jap wp zuanba ig 0911 Bunpugsansdunpsz SLOT Si Bea Gu 3d 087 Gunpugsaasbunpa3 yoy Se Ee l l EER an 147 EE HE ETE z Pr Na EA 8 n 9 S 7 E Fi z i EN 9200000 gT looooooooo0oo o ooo 0 0L vElL 3H PREFACE These error messages can help the service personnel to locate defects faster is they occur The diagnoses listed in this chapter are not necessarily accurate They are theoretical defects that can occur and ap
16. as described under point 1 The indication test can be activated by pressing key radius time The digits O 9 appear half a second timing pulse on all digital indications Also the LED s of the keys both minus signs of the temperature display and the point between the digits of the radius adjust display are flashing as well in half a second timing pulse With this test you can check if the displays are working properly Please watch carefully if all seven segments of each digital display are working correctly Leave the indication test with stop 4 Input signal test Attention During this self test it is possible that the motor is triggered uncontrolled by the converter That means that the motor could start turning without pressing the run button Please make sure that there is nothing in the rotor chamber during the self test except of the rotor Take care of your fingers The input signal test is used to check the input signals imbalance lid lock motor temperature speed rotor identification and the input signal of the interface of the centrifuge control board Z 513 Z 513 K Sep 96 bd Activate the self test program as described under point 1 Press the key lid to activate the input signal test Then the letter E standing for input appears on the digital display for brake The inputs will be indicated on the digital displays for rpm g value and time
17. ashing now during acceleration beginning at approx 200 rpm But the CPU accelerates the rotor only up to the max allowed speed of the rotor During acceleration the speed of the rotor will also be observed by a hardware circuit which is integrated on the power board Due to this double observation the motor can never run with a higher speed than allowed 5 Speed signal The actual speed will be measured by a Hall Sensor which is placed on the bottom side of the motor The signal will be transmitted by the power board to the control board and the converter Z 513 Z 513 K Sep 96 bd 6 Lid lock The Z 513 K series has a automatically lid lock The lid lock closes the lid automatically by using a motor force A small amount of pressure is enough to activate the locking system It take approx 6 sec to close the lid By pressing the lid key the lock opens within 6 seconds For emergency lid release follow the instruction manual Emergency lid release 7 Imbalance recognition The imbalance recognition is effected by a micro switch which is controlling the oscillating motion of the motor The unit will stop if the oscillating motions are too strong You have to follow the adjustment instructions stated by the manufacturer Z 513 Z 513 K Sep 96 bd Content 1 Activating of the self test program 2 Keyboard test 3 Indication test 4 Input signal test 5 Output
18. ave to apply heat conduction paste on the seating Reassemble the unit in reversed order Z 513 Z 513 K Sep 96 bd 9 Adjustment of the imbalance switch Insert a rotor in the centrifuge Load one bore hole of the rotor with an imbalance switch off weight mentioned in the chart see chapter 3 3 9 If a microlitre rotor is placed in the centrifuge you have to insert several adjacent reaction tubes Start the centrifuge the unit should switch off at the cut off speed mentioned in the chart chapter 3 3 9 for the corresponding rotor If the unit is not switching off you have to release the fixing nut 1 With the adjustment screw 2 you can adjust the imbalance switch off more sensitive turn right You can reach the screws from the left side at the bottom of the unit If the unit is switching off load the rotor with the allowed imbalance weight see chapter 3 3 9 Start the centrifuge the unit should not switch off again If required adjust the imbalance switch off with the adjustment screw 2 less sensitive If you have to readjust the imbalance switch for the test with the allowed imbalance you have to repeat the procedure with the imbalance switch off weight SS Z 513 Z 513 K Sep 96 bd Z513 Rotor No Cutoff speed Allowed Cutoff imbalance imbalance in grams in grams E 220 78 VO 58 HE
19. circuit on the power board If a mistake should occur you can see the error message on the digital display of the front panel 2 1 Adjustment of the front panel The front panel can be used in different units therefore it must be programmed to the model where it is used See chapter 3 3 6 in the self test program Attention If you have to replace the front panel you have to make sure that the panel is programmed correctly Z 513 Z 513 K Sep 96 bd 3 Frequency converter The frequency converter generates the drive signals for the asynchronous motor The converter leads the current which is generated by the motor during deceleration to a heating resistor to reduce the current The frequency converter is connected with the power board by a serial interface On the converter is a green LED which lights when the frequency converter is working correctly A defect of the converter will be indicated as an error no on the digital speed display see chapter 5 Error messages and the green LED will not light 4 Rotor identification and overspeed protection The centrifuge always recognizes the inserted rotor by a Hall effect sensor All rotors are equipped with a coded indicator ring magnet ring The hall effect sensor takes signals of the magnets and is passing them on to the processor If the preset speed is higher than the max allowed speed of the inserted rotor the actual speed indication is fl
20. d 230 V for control panel with 2 PCB exchange part R913 010 R266 08U10 02 195 90 control panel with 2 PCB exchange part R913 012 R271 01 02 02 441 70 power board for control panel with 1 PCB 120 V 230 V exchange part R913 018 RHE 134 00 03 115 30 effective 01 January 2003 page 1 of 2 up to 31 Dezember 2003 spare part list Z 513K E 3 0 oO o 0 5 G 2 lu Article D power board 120 230 V exchange part R913 022 RHE 134 10 03 115 30 control panel with 1 PCB exchange part R913 033 R271 01 11 02 341 70 effective 01 January 2003 page 2 of 2 up to 31 Dezember 2003 spare part list Z513 o o Order Ident rice 03 in EURO Article E control panel with 1 PCB exchange part R913 035 R271 01 01 02 303 00 effective 01 January 2003 page 2 of 2 up to 31 Dezember 2003
21. dicator Activate the self test program as described under point 1 Press the key up The attended time of the unit will be indicated on the actual display The attended hours appear on indication speed rcf and the minutes on indication time radius Z 513 Z 513 K Sep 96 bd Content 1 Exchanging of the operational control 2 Dismounting of the centrifuge housing 3 Exchanging of the rotor identification sensor 4 Exchanging of the motor 5 Exchanging of the power board 6 Exchanging of the frequency converter 7 Adjustment of the imbalance switch Chapter 3 4 1 3 4 2 3 3 4 4 3 4 5 3 4 6 3 4 7 3 4 9 After doing any kind of assembling work please make sure that all the protection grounded contacts are connected correctly Z 513 Z 513 K Sep 96 bd 1 Exchanging of the operational control gt Push the frame of the operational control approx 2 mm up see sketch 1 Pull the lower part of the operational control out of the housing as shown in sketch 1 Tip it out of the front side sheet metal see sketch 2 Unplug all electrical connections Set in the new element in the front side sheet metal in reversed order Attention Make sure that the adjustment of the operational control is correct see chapter 3 3 6 Sketch2 Z 513 Z 513 K Sep 96 bd 2 Dismounting of the centrifuge housing a
22. efrigeration system 3 Emptying and filling with Freon d Lowest temperatures depending on the rotor Z 513 Z 513 K Sep 96 bd Chapter 3 6 1 3 6 2 3 6 3 3 6 5 1 Functional description of the refrigeration system The quantity of the coolant passed into the evaporator is controlled by a solenoid valve and an expansion valve A detecting element continuously measures the temperature at the evaporator output This detecting element regulates the injection nozzle because of this the evaporator gets always the neccessary quantity of coolant So you can reach the maximum capability of the refrigeration system at any operating status As soon as the required preset temperature is reached the solenoid valve interrups the coolant circuit The solenoid valve reopens the circuit as soon as the temperature rises and passes on coolant to the evaporator again The response time of the solenoid valve is controlled by the CPU From the temperature sensor placed in the rotor chamber the processor receives the information of the chamber temperature As the actual temperature of the samples is not necessarily the same as the chamber temperature the microprocessor calculates the sample temperature for the respective rotor This value will be indicated on the digital temperature display The temperature control of the microprocessor works according to the calculated value
23. how 1 Serial interface For the interface test the lid must be closed The display g has to show 1 This means that regarding the data flow between the operational control the power board and the converter are o k If the display shows 0 Defect at one of the above mentioned electronical components Defect at a flat belt cable respectively directly at one of the interfaces Leave the input test with stop Z 513 Z 513 K Sep 96 bd 5 Output test Activate the self test program as described under point 1 Press key quick to start the output test Then A appears on the display brake With this test you can check the function of certain outputs by pressing different keys Key Function Eat guick Starts the output test The relay of the solenoid valve will be closed at the same time solenoid valve open rpm g value The frequency converter relay is switching The green LED of the converter is lighting for this function the centrifuge lid have to be closed time radius Not occupied for these models lid Opens the centrifuge lid lock L Sech start The compressor relay is switching Compressor is working E oe stop This allows you to exit the output test 6 Indication of software version Activate the self test program as described under point 1 Press the key start You can see the software version on the digital display b
24. lan of electric installation Wiring Diagram Plan of electric installation Wiring Diagram Plan of electric installation Circuit diagram power board Layout power board Layout control board 26KM Layout control board 26KMR 2513 2513 K Aug 96 bd Z 513 120 V Z 513 120 V Z 513 230 V Z 513 230 V Z 513 K 230 V Z 513 K 230 V LS 0173 LS 0174 LS 0166 LS 0167 LS 0169 LS 0170 HE 121 00 03 HE 121 00 03 271 01 02 02 271 01 12 02 ELSZ 20A00 442 I ZHO9 0S AOZ veldynejwosg ana es 0020 S1 WesBeip Burin quo wapsiiage Hun Jamod E olf of Ol de u 1 7 D El a f BE oi 61 gi e cs A y AREAS AAA o e a Pada Be aa AE EA un a EE OE EE nn de y E ES i EE _ ZER KE Dee tale a GATE ER a Tang EE Bechen e ae Tan LEI ae OE EI q L t 17 EE a sq dy A 4 l 4 EYE es Ne T o Y mesa y nn en a kass KAAL TT mn zs zm wm vn AAN no oo oo ES ES ur Eee ma u kama A S sg l 85137 on E y y 1108 Ar nepsa Jaque jassay E l l 11091 91031 jejaw jaays weg i yay ns pu Ti PUBMDO ch l AJ pewomamag Le HON E l Se es y WAS PY G 304014 Wspug od 1 g 1 pirjuoyaysag 0 04 ur NON i y q Buisnou Yapas huejegut BEER Ai DI sam asneyan S WIS D 3919 1 430 pt JAJE JINAN 3 piejuoxjaysag Uohps2aiou ie e rr EE EN Q S J Jo
25. ne Z 5137Z 513 K Sep 96 bd Content 1 Power board 2 Control board Operational control 2 1 Adjustment of the operational control 3 Frequency converter 4 Rotor identification and overspeed protection 5 Speed signal 6 Lid lock 7 Imbalance recognition Z 513 Z 513 K Sep 96 bd Chapter 3 2 1 3 2 1 3 2 1 3 2 2 3 2 2 3 2 2 3 2 2 3 2 2 1 Power board The power board is serving the low voltage supply of the centrifuge control system All fine wire fuses for the different distribution voltages are placed on the power board see chapter 4 layout of the HE 121 00 03 The power board is electrically isolated and has an electrical strength of 4 KV lt is also the central switching point for all inputs and outputs The signal line of the microprocessor controller is consisting of a flat belt cable All plug connections are placed in such a way that they cannot be accidentally misconnected 2 Front panel Operational control On the front panel the CPU and the EPROM for the centirfuge software is located The front panel controls the hole centrifuge If there is a defect please exchange the complete panel not only the prinited circut board The signal line the power supply lines and the temperature signal line are leaded to the control board no confusion possible The safety facilities are additionally safeguarded by a hardware
26. ng relay 960 066 960 066 75 50 starting capacitor 960 075 960 075 95 90 power board 230 V for control panel with 2 PCB exchange part R913 010 R266 08U10 02 195 90 control panel with 2 PCB exchange part R913 013 R271 01 12 02 481 50 effective 01 January 2003 page 1 of 2 up to 31 Dezember 2003 spare part list Z 518 s SS 4 o Se o o gt 5 z Cw Article E frequency converter 120 V with 2 PCB 913 004 20 0235 720 20 power board for control panel with 1 PCB 120 V 230 V 913 018 HE 134 00 03 151 00 freguency converter 230 V with 2 PCB 913 019 20 0238 808 90 frequency converter 120 V with 1 PCB 913 021 20 0242 509 00 frequency converter 230 V with 1 PCB 913 034 20 0243 596 70 control panel with 1 PCB 913 035 271 01 01 02 404 00 motor 230 V 120 V 923 007 274 08 40 02 393 80 housing for hinge version 933 029 274 01 13 01 315 20 lid complete spring hinge version 933 030 274 01 21 01 285 60 fuse 16 AT 230 V 5 x 20 mm 940 025 25 0095 5 10 fuse holder 230 V 940 026 25 0096 16 40 fuse holder 120 V 940 027 25 0098 21 50 fuse 16 AT 6 3 x 32 mm 120 V 940 029 25 0100 6 20 cover for fuse holder 940 032 25 0109 7 20 fan 230 V 940 046 32 0033 54 10 micro switch imbalance 940 069 38 0082 10 20 rocker switch power vertikal 940 086 38 0202 8 20 fan 120 V 940 158 32 0217 40 80 line filter 230 V 120 V 940 160 40 0111 87 80 lid lock motor driven 230 V for control panel with 2 PCB 940 185 250 05 V01 286 70 lid lock motor
27. nnot be released Bi Reason Defect on the power board Error no 40 Error EEROPM Reason Serveral posibilities Error no 41 Power failure EEPROM Reason Serveral posibilities Error no 50 51 Memory failure Reason Internal or external memory failure Error no 55 Overspeed Reason Overspeed sensor or motor speed sensor defect 2513 2513 K Sep 96 bd Reason Control panel or power board defect Error no 60 Motor speed sensor signal is missing Reason Motor speed sensor defective or parting of a cable at the sensor Error no 61 Speed signal without a turning of the rotor Reason Speed sensor is broken Error no 70 Interface of the frequency converter Reason Communication of controller power board interface cable and frequency converter is not working Reason Unpluged interface wire Error no 82 83 Cutoff power board frequency converter Reason Overcurrent overvoltage or undervoltage due to power o supply fluctuations e i Z 513 Z 513 K Sep 96 bd Error no 84 Motor temperature Frequency converter temperature Reason Defect at the motor winding damage bearing damage Overtemperature switch in the motor is defective Reason Defect at
28. ontrol panel with 2 PCB 940 185 250 05 VO1 286 70 lid lock motor driven 230 V for control panel with 1 PCB 940 187 250 05 VO7 278 50 imbalance switch 940 190 274 01 02 04 29 60 rotor sensor 940 191 LK137 133 70 contactor 940 192 30 0137 95 90 speed sensor brown housing 940 199 32 0220 63 30 fuse set 230 V 16 AT 940 213 LK185 5 10 power connection with fuse holder 230 V 940 217 LK128 73 50 imbalance switch only conecting cable 940 220 LK157 20 40 magnet for speed sensor without housing 940 236 44 0047 28 60 potientiometer 10 K 940 245 940 245 8 20 micro switches set for motor driven lid lock 940 260 29 60 motor for lid lock 230V 940 261 87 10 motor for lid lock 120V 940 262 87 10 speed sensor white housing 940 263 940 263 magnet for speed sensor with housing 940 264 940 264 stopper imblance 950 006 20 5054 5 10 centrifuge rubber feet 950 014 26 5034 9 20 motor rubber mount diam 30 x 30 mm 50 55 Shore 950 019 26 5057 10 20 hinge 950 131 38 5597 22 50 lid latch 950 132 274 01 06 04 22 50 motor rubber mount 950 136 274 01 26 04 21 50 motor cover 950 137 277 01 24 03 67 40 chamber gasket 1630 mm grey 950 152 950 152 64 30 injection nozzle 960 003 23 5141 31 70 solenoid valve 230 V 960 029 41 5137 117 30 sight glas 960 034 244 00 51 04 6 20 expansion valve 960 051 24 5077 80 60 dryer 960 052 39 5106 106 10 compressor 960 053 41 5178 499 80 condenser with fan 960 054 41 5179 198 90 pressure guard 960 055 23 5149 55 10 starti
29. propriate solutions Please always make your own diagnosis with the help to the self test program Please always inform us about any type of defect you find and which is not mentioned in this chapter Only with your help we are able to improve and complete our service manual Thanks in advance for your help Hermle Labortechnik GmbH Z 513 Z 513 K Sep 96 bd 1 Description of the error message system The error message will be indicated by a certain number on the digital speed display At the same time ERROR appears on the preset display Error Nr 1 49 Forced stop If one of the above errors occurs the rotor will be braked from the preset speed to 0 As soon as the rotor has stopped the error message can be reset by opening and closing the centrifuge lid Error Nr 50 99 Emergency stop If this occurs the frequency converter will be switched off and the rotor will be coast to a stop The error message can only be reset by switching the main switch off and on If the unit stops due to an error indication you should restart the unit to check if the error occurs again The error numbers which are not listed in this chapter are not in use at the time of publication and they are reserved for future use in broadening the error recognition program Z 513 Z 513 K Sep 96 bd Error no 1 Imbalance Reason Incorrect loading of the rotor
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31. rake Z 513 Z 513 K Sep 96 bd Adjustment of the operational control Activate the self test program as described under point 1 The operational control has to be adjusted according to the centrifuge type where it is going to be used Press key store On speed rcf indication appears the centrifuge type for which the operational control is adjusted for For this unit 513 has to appear You can select centrifuge types by pressing keys up and down Press key stop to store your adjustment Now the operational control shows the adjusted voltage 115 V or 220 V You can select the voltage as well by pressing keys up and down Press key stop to store your adjustment At the same time you leave the function Adjustment of the operational control Motor run in By pressing the Run button for about 5 seconds you can invoke the program module Motor run in For a periode of 1 minute the motor gets accelerated to 10 of the max speed of the insert rotor After each further minute the speed gets accelerated by 10 until the max speed is reached In the time display the run in time is indicated in minutes from 0 9 Attention The run in is neccessary when the motor is replaced with a new one The run in is used to spread the grease in the bearing all around the ball bearings A starting of the centrifuge to max speed without the motor run in can cause bearing damages at the new motor Elapsed time in
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33. rsed order Z 513 Z 513 K Sep 96 bd 4 Exchanging of the motor Remove the operational control as described under point 1 Remove the centrifuge housing as described under point 2 Remove the rotor sensor as described under point 3 Unplug the connection cables of the motor you will find the location of the connectors in chapter 4 Remove screws 1 4 of the motor mount Bind a pice of string to the conectors of the motor wires this allows you to pull the wires of the new motor back through the holes in safty frame Lift the motor out of the unit Pay attention to the arrangement of the wiring when replacing the motor Reassemble the unit in reversed order Z 513 Z 513 K Sep 96 bd 5 Exchanging of the power board Remove the operational control point 1 Remove the centrifuge housing point 2 a b Unplug all cable connections of the power board Remove the screws 1 7 Reassemble the unit in reversed order Z 513 Z 513 K Sep 96 bd 6 Exchanging of the frequency converter Remove the operational control point 1 Remove the centrifuge housing point 2 a b Unplug all cable connections of the frequency converter s Remove the screws 1 4 of the frequency converter and take it out of the unit Attention betore you place the new frequency converter you h
34. signal test 6 Indication of the software version 7 Adjustment of the front panel 8 Motor run in 9 Elapsed time indicator Z 513 Z 513 K Sep 96 bd Chapter 3 3 1 3 3 1 3 3 2 3 3 2 3 3 5 3 3 5 3 3 6 3 3 6 3 3 6 1 Activating of the self test program The self test program helps the service personnel to locate defects The program can be started as follows Open the centrifuge lid and switch off the main switch Press the keys rpm g value and time radius down together and at the same time switch on the main switch Let go of keys rpm g value and time radius Each digit of the display must now be a minus symbol 2 Keyboard test With the keyboard test you can check the correct function of the foil keyboard Activate the self test program as described under 1 Press the key rpm g value to start the keyboard test Then 1 appears on the digital display brake By pressing the other keys always a number appears which is assigned to the keys rem g value quick time radius up lid down store start precool CO N OO E ON 9 Exit the keyboard test stop If one of those numbers does not appear or if the keyboard test can t be started or ended you have to replace the complete operational control Z 513 Z 513 K Sep 96 bd indication test Activate the self test program
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36. tal point 2a Remove screws 1 10 around the lower edge of the centrifuge Z 513 Z 513 K Sep 96 bd Remove the nuts 1 and 4 S Unplug the grounded wire of the housing Lift up the housing Reassemble the unit in the reversed order c Lid Remove the back side sheet metal as described under point 2a Unlock the lid S Remove the screws 1 16 of the hinges Pay attention to the fastening bar of the hinges at the inner side of the unit Now the lid can be removed completely Reasemble the lid in the reversed order Z 513 Z 513 K Sep 96 bd 3 Exchanging of the rotor identification sensor Remove the operational control point 1 Remove the centrifuge housing point 2 Take off the rubber motor protection cover Unplug the sensor cable at the power board Release the flat head screws 1 3 of the sensor flange Take the flange with the sensor out of the unit Exchange it with a new one 2 Reassemble the unit in reversed order Attention Continue to apply pressure to the outer edge of the cover until it snaps into the position and grips onto the lip of the steel chamber An airtight seal must be formed Z 513 Z 513 K Sep 96 bd 4 Exchanging of the motor Remove the
37. ttle R 134 to the valve 1 see sketch chapter 3 6 4 Start the self test program and choose test range 4 output test solenoid valve open Evacuate the refrigeration system for approx 30 min Switch off the vacuum pump Make sure that the system remains in a state of vacuum If not the system is leaking Fill up the system with 800 grams coolant R134a Check all tube connections very closely with a leak indicator Filling quantity must never exceed 850 g Z 513 Z 513 K Sep 96 bd Sketch Compressor Filling valve 1 Filling valve 1 Schrader valve Sketch Manometer combination vacuum pump coolant bottle Low pressure High pressure Vacuum measuring High pressure instrument Sight glass Coolant Not applicable Connection to the compressor Z 513 Z 513 K Sep 96 bd Lowest sample temperature 220 70 V06 5000 220 70 VOS 3600 220 29 VO3 3200 220 41 VO3 2000 220 78 V02 15000 5 C Ambient temperature 23 C The absolute end temperatures can be subject to fluctuations of 2 C of the cooling compressor due to output variations The lowest sample temperatures depends on the ambient temperature If the ambient temperature increases the lowest sample temperature that can be reached increases as well Z 513 Z 513 K Sep 96 bd Contents Wiring Diagram P

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