OPERATING INSTRUCTIONS
Contents
1. DJ mo JPERA Vacuum Drying Oven VO 200 VO 400 VO 500 B N 1 Pump Module PM 200 PM 400 PM 500 011 Experts in Thermostatics 10 11 12 13 14 15 16 17 18 19 20 21 22 23 VO Comtat ad ds ct eS tL et kt tor settle et Do dos 2 General notes and sately Notes tee te eee m o e ete Hf ed tet esee ef tma eet edt 4 2 SA se c caste SURE Ree re SO DM P E a es MS 4 LO MB 4 Installation facilities ACCESSOMES 4 s nette rem tt ld idad oe D eer be e a neg 5 A e utet mte Pte mette tatu diete ca lag hat e Me ath t 5 ab ipnitialistabtstl isdem esee Doc toon Ap mtt Rod m TR pte MAD m 6 3 9 Oven load ERI EM ee N ee utcs etes 6 Technical data E 7 4 1 Standard equipment of VO ovens basic variation eee eene enne 8 4 2 Electrical equiprm nt s in rene tret litte da dd aig e eed Mae aae edet ad es 9 Z3 External GONMECION a M AU CU Yee cac Mr M Pd c ela 9 4 4 Materalquality from MEMMENRE 2 ttt er iem Rent metn duni 9 Oven construction and connections eee nne ati tt 10 Startindi Pta dla lb ets 12 Switching output for external vacuum pump purge valve and pump control option 13 IS ER rel epit eco tle siye ett ba gs 13 7 2 Demand controlled vacuum pump shut down option sssssssssssseseeeeeeeeeeenen een 13 Eoadingiand Ineitgas si e gei etam tu tcm peti enit 14 Guidelines for evaporating liquids in Memmert vacuum ovens eene nenne nennen 15 Controls a2. 0 0 180 C 40 30 20 100 t t 1 Select operating mode Normal operation After holding down the SET key approx 3 sec the current operating mode is flashing Select operating mode with the push turn control while holding down the SET key After the SET key has been released the controller is in operating mode 2 Select temperature setpoint Hold down the SET key and use the push turn control to select the required temperature setpoint of 180 C After the SET key has been released the oven briefly flashes the temperature setpoint The display then changes to the actual temperatureand the controller starts to control to the selected temperature setpoint 180 C Heating is indicated by the orange heater symbol WM 5 Select monitor temperature Turn the push turn control clockwise until the overtemperature display MAX is flashing Hold down the SET key and use the push turn control to set the monitor temperature to 200 C 4 Setting the vacuum Rotate push turn control clockwise until the vacuum indication is flashing Hold down the SET key and use the push turn control to set the required vacuum of S mb After releasing the SET key the oven briefly flashes the vacuum setpoint The display then shows the actual pressure and the control starts to control to the selected vacuum of S mb VO page 20 19 Weekly programmer In this operating mod
3. 1 Mechanical temperature monitor temperature limiter TB All ovens of the VO series are equipped with a mechanical temperature limiter TB Protection Classi to DIN 12 880 If the electronic monitor system should fail during operation and the fixed factory set maximum temperature is exceeded by approx 20 C the temperature limiter switches off the heating permanently as a final protective measure The alarm symbol lights up as warning A Fault rectification after the TB cut out has been activated 1 Switch off the oven and allow it to cool down 2 Rectify the fault e g replace temperature probe and where appropriate contact customer service 3 Theoven is again ready for operation only after it has cooled down and after the fault has been rectified VO page 32 23 2 Electronic temperature monitor 23 2 1 Overtemperature protection MAX Using the push turn control select the symbol Range up to 10 C max above nominal Symbol anw hlen temperature for nominal temperature see Hold down the SET key and label set the protection temperature using the push turn control 23 2 2 Undertemperature protection Using the push turn control select the symbol MIN J Range from 10 C below minimum Hold down the SET key and temperature of oven to 10 C above set the protection temperature nominal temperature of oven for nominal using the push turn control temperature see label The low alarm cannot be programmed ab
4. Calibration temperature Range Calibration correction 10 C above CAL2 up to nominal Range 9 9 C to 9 9 C temperature page 39 VO 24 2 Calibration pressure vacuum User calibration of the oven on the controller at three user selected vacuum values CAL1 pressure calibration at low vacuum pressure CAL2 pressure calibration at medium vacuum pressure CAL3 pressure calibration at high vacuum pressure A positive or a negative calibration correction can be applied to each selected calibration point General calibration instructions 1 Select the required calibration vacuum in SETUP and set the corresponding calibration correction to Omb 2 Using a standard vacuum gauge measure the deviation at the selected calibration vacuum under steady conditions 3 Set the calibration correction in SETUP If the measured vacuum pressure is too low the calibration correction has to be set with a negative sign 4 Carry out a check measurement with the reference gauge 5 The procedure can be performed for up to 3 calibration vacuum pressures Example to correct the vacuum deviation in the load at 500 mbar 1 Set calibration vacuum CALZ in SETUP to 500mb and set the corresponding calibration correction to mb 2 n normal operation and at the vacuum setting of 500 mbar an actual vacuum pressure of 497 mbar is measured using a reference gauge Set calibration correction CALZ in SETUP to 3mb After the oven has stabilised the r
5. again selects setting the individual time blocks page 21 VO Programming example Weekly programmer The oven VO500 has to switch on at 07 30 hrs from Mo to Fr workday group and switch off at 18 00 hrs In addition it has to operate on Saturday from 10 00 to 14 00 hrs ZA OOM e e fa palo ei 12 00h 1 Select operating mode Weekly programmer After holding down the SET key approx 3 sec the current operating mode is flashing Select operating mode Weekly programmer with the push turn control while holding down the SET key After the SET key has been released the controller is in operating mode Weekly programmer 2 Switch on at 07 30 hrs Mo Fr Turn the push turn control anticlockwise to select the symbols Mo Fr on workday group Hold down the SET key and use the push turn control to set the switch on time to 1 35 3 Switch off at 18 00 hrs Mo Fr Using the push turn control select the symbols Mo Fr off workday group Hold down the SET key and use the push turn control to set the switch off time to 18 00 4 Switch on at 10 00 hrs Sa Using the push turn control select the symbols Sa on Hold down the SET key and use the push turn control to set the switch on time to 18 00 5 Switch off at 14 00 hrs Sa Using the push turn control select the symbols Sa off Hold down the SET key and use the push turn control to set the switch off time to 14 00 VO page 22 20 Programme ope
6. designated product with the essential protection requirements of the above mentioned EC Directive DIN EN 61326 2004 05 EN 61326 1997 EN 61326 A1 1998 EN 61326 A2 2001 EN 61326 A2 2003 The designated product is in conformity with the European Low Voltage Directive 2006 95 EEC including amendments Council Directive on the approximation of the laws of the Member States relating to Electrical equipment for use within certain voltage limits Full compliance with the standards listed below proves the conformity of the designated product with the essential protection requirements of the above mentioned EC Directive DIN EN 61 010 1 VDE 0411 part 1 2002 08 EN 61 010 1 2001 DIN EN 61 010 2 010 VDE 0411 part 2 010 2004 06 EN 61 010 2 010 2003 Schwabach 03 07 08 Legally binding signature of the issuer This declaration certifies compliance with the above mentioned directives but does not include a property assurance The safety note given in the product documentation which are part of the supply must be observed page 51 VO Standard ovens VO are safety approved and bear the test marks gepr fte Sicherheit This product is subject to the Directive 2002 96 EC by the European Parliament and the EU Council of Ministers which concerns Waste Electrical and Electronic Equipment WEEE This product has been put on the market after 13 August 2005 in countries which have already incorporated this Directive into National La
7. of data are stored in the memory so that the maximum report duration may be reduced If the power supply is interrupted the instants of power failure and restoration of power are stored in the controller 26 1 Reading the log memory Past report data can be printed either via the RS232C interface or by a PLC3 compatible printer connected to the oven 26 2 Reading the log memory into the PC via RS232C Using the Celsius 2007 program the record memory of the controller can be read via the RS232C interface into a PC where it can be shown graphically printed and stored in memory Note The log memory of the controller is not altered or cleared by the reading procedure 26 3 Printing the log memory from the oven only for oven models with printer ports see Section Printer If the printer is not ready e g cartridge empty or no paper no report data are lost Prints can be repeated several times since the log memory is not cleared after printing The GLP data header is automatically included in the print out it contains the following information Printing date Time period of report Running page number Serialnumber and oven designation VO page 44 27 Memory card MEMoryCard XL A temperature programme with up to 40 ramps can be programmed on the MEMoryCard XL Programming can take place directly on the controller or through the PC program Celsius 2007 For improved clarity it is recommended that
8. operates in the new operating mode 17 Setting the parameters After an operating mode has been selected all relevant controller settings are shown simultaneously on the display A parameter menu item can be selected by rotating the push turn control all other parameters are then dimmed The selected parameter flashes brightly and can now be altered with the push turn control while holding down the SET key After the SET key has been released the newly set value is stored If the push turn control or the SET key have not been operated for a period of 30 seconds the controller automatically returns to the main menu VO page 18 18 Normal operation C1 In this operating mode the oven operates continuously The settings for operating the oven can be selected The settings act directly on the operation of the oven By rotating the push turn control the following parameters can be selected and can be altered as described in the Section Setting the parameters Temperature setpoint Range 20 C to 200 Temperature monitor Adjustment range MIN MAX AUTO see Section Temperature monitor Pressure setpoint Range mb to iimb LO valve OUT permanently open page 19 VO Setting example Normal operation The oven VO500 has to heat up to 180 C and be evacuated to 50 mbar The monitoring function has to operate at 200 C Temperature Pressure in C in mb 1000 900 800 700 600 500 o
9. 1 REXT segment 4 SPUTO closure command I ramp segment5 e o nn nu delayed programme start page 25 VO Setting up example Programme operation The oven VO500 has to heat up on Monday at 8 00 hrs and after reaching the temperature be evacuated to 50 mbar After holding pressure and temperature for 2 hours the pressure should increase to 1050 mbar over two hours and the oven should over the same period cool down to 30 C Ausf hren Einstellungen Fenster 2 aasammsa 1 Select operating mode programme After holding down the SET key approx 3 sec the current operating mode is flashing Hold down the SET key and select operating mode programme using the push turn control After the SET key has been released the controller is in operating mode programme operation 2 Edit programme Hold down the SET key and turn the push turn control to select EDIT After the SET key has been released the controller is in the programme writing mode 3 Weekday for delayed programme start Hold down the SET key and turn the push turn control to set the start day Mo 4 Select clock time for delayed programme start Using the push turn control select the time display Hold down the SET key and set the time 08 00 using the push turn control 5 Select duration of first ramp segment Turn the push turn control further clockwise until the time of the f
10. 27 2 Programming the MEMoryCard XL from a PC with the oven sssssssssssssseeee ee eene 45 27 3 Programming the MEMoryCard XL from a PC using the read write unit sssssssssse 45 27 4 Documentation om MEMO Card XI ai tete ante e e ee e die 46 User D Card available as optional extra i kenne ren it 47 A O 00 n 48 Maintenance too mea E e NEL A EE eti rA rM NE E EL S A e O 48 Door sale 49 Error messages be vexat cies cess Visas i 50 Supply Tala rr te A re ee dee eee tede 50 GE Contormity Declaration cse e ed tuf d ec de ads las delo dio a 51 Address and customersservice tee tet e oer ah Ob Pat de e nad PU E RE er CR FH de Rechter 52 lw E 53 page 3 VO 2 General notes and safety notes You have purchased a technically fully proven product which has been produced in Germany with the use of high grade materials and the application of the latest manufacturing techniques it has been factory tested for many hours In addition we guarantee the supply of spare parts over 10 years This mark in the Operating Instructions means Watch out Important Note This mark on the product means Note Operating Instructions Warning oven hot when operating Observation of the Operating Instructions is necessary for faultless operation and for any possible claims under warranty If these Instructions are disregarded all claims under warranty guarantee an
11. 41 VO 25 2 Communication interface RS232C option The oven is provided as standard with a serial communication interface RS232C according to DIN 12 9001 Using this interface it is possible to control the oven from the PC and to produce reports This is done using the Celsius 2007 software For this purpose the oven has to be assigned a unique device address in sub menu SETUP option ADDRESS This is the address through which the PC communicates with the oven The default setting is ADDRESS B Using this address each oven can be addressed by the PC and programmed If several ovens are connected by the RS232C interface to one PC each oven requires a corresponding interface on the PC as well as a separate cable The maximum cable length is 15 m For connection of the oven to the PC there is a 9 pin connector on the back of the oven The oven can be connected to the PC using a screened interface cable The screen has to be connected to the plug case If the serial interface is not being used the cover supplied has to be fitted S232 0 9 pin serial VO page 42 25 3 Bus interface RS485 option When so ordered the oven can be equipped at the factory with an RS485 interface instead of the RS232C interface This permits networking of several ovens up to 16 with a single PC using a common 2 wire circuit The system is operated using the Celsius 2007 software A unique device addres
12. MoryCard XL with 32 kByte storage capacity reprogrammable for up to 40 ramp segments and additionally 270 hours log memory with a scanning interval of one minute Optionally available additional fittings 24 volt control output for purging and switching off external vacuum pump Number of flange sockets inserts for thermoshelves 3 instead of 2 VO 200 or 4 instead of 2 VO 400 500 Number of thermoshelves 2 instead of 1 VO 400 500 Connection of inert gas switchover via solenoid valve Interface for control of optional pump module Drip tray USB printer port Base Pump module USB cable External card reader for MEMoryCard XL for connection to USB interface Printer cable parallel shielded 25 pin Descriptions in this manual referring to these optional additional fittings are only relevant for ovens of the corresponding version VO page 8 WARNING Always pull out the supply plua before opening the oven cover 4 2 Electrical equipment Operating voltage see label 50 60 Hz Current rating see label Protection Class 1 i e operating isolation with ground connection to EN 61 010 Protection IP20 to DIN EN 60 529 Interference suppression to EN55011 Class B Oven protected by a fuse 250V 15A fast blow Controller protected by a 100 mA fuse 200 mA on 115 V When connecting a MEMMERT oven to the electrical supply you have to observe any local regulations which apply e g in Germany DIN VDE 0100 with Fl protection c
13. d indemnification are excluded The right to technical modifications is reserved Dimensional details are not binding 2 1 Safety check The door and the security glass panels must be checked regularly for scratches or damage No vacuum must be applied to the oven if there is any damage 2 2 Transport Always use gloves If the oven has to be carried at least 2 persons are required to transport it Do not place the oven on a readily inflammable support surface It is important that the oven is set up accurately horizontally VO page 4 3 Installation facilities accessories The oven can be placed on the floor or on a bench working surface It is important that the oven is set up accurately horizontally the door may have to be adjusted see Section Maintenance The spacing from the back of the oven to the wall should be at least 15 cm The spacing to the ceiling must not be less than 20 cm and that at the side to the wall not less than 8 cm Generally it is essential to have adequate air ventilation around the oven Information on accessories will be found in our leaflet or on our internet page www memmert com Please note the installation instructions for our accessories 3 1 Subframe Oven models 200 to 500 can be mounted on a subframe accessory Oven on the Oven on Oven on pump Oven on pump floor subframe module module and subframe page 5 VO 3 2 Initial start up When the oven is start
14. d load capacity of the thermoshelves see the Table Technical data The table below gives recommendations for the appropriate loading of the trays which in turn is essential for a largely uniform temperature distribution inside the oven Safety note When the oven is being operated with inert gas nitrogen helium neon argon krypton there is a small escape of the gas used into the environment The list of MAK values maximum workplace concentration and of BAT values biological workplace tolerance values does not contain any information concerning the inert gases mentioned above It is however still important to ensure good ventilation of the room The appropriate specifications of the trade association publication Guidelines for the Laboratory ZH 1 119 as well as DIN 1946 Part 7 Room Air Technology VDI Ventilation Rules should be observed Precautions when handling gas cylinders VO Avoid any open fire in the area near the gas cylinders Inert gas is not combustible but it is possible for the cylinder to burst Store cylinders below 50 C in a well ventilated location Prevent ingress of water and any return flow into the cylinder Connect up the gas cylinder only through a pressure reducing valve 1 5 bar max When not in use close the shut off valve The instructions and safety information of the gas supplier have to be observed page 14 Guidelines for evaporating liquids in Memmert vacuum ovens Do no
15. e card has been removed from the unit It can however be overwritten at any time by the PC using Celsius 2007 Details on programming the MEMoryCard XL with PC and Celsius 2007 can be found in the Celsius Operating Manual and in the Online Help 27 4 Documentation on MEMoryCard XL The actual temperatures can be documented continuously on the MEMoryCard XL while the programme is running from the chip card After the programme has been completed they can be read and printed using Celsius 2007 The operation is described in the Celsius 2007 Operating Manual A certain amount of storage space is provided for documentation depending on the programme duration The sampling rate is set automatically by the controller depending on the programme duration With a programme duration up to 270 hours the documentation of the actual values on the MEMoryCard XL takes place with a 1 minute cycle With programmes of longer duration the sampling time is extended up to 30 min max Documentation is started afresh on each programme start the old report data are overwritten VO page 46 28 User ID Card available as optional extra N AAA Name access ID authority card memmenrt J The User ID Card stores the serial number of the oven and a unique user number in encrypted format The User ID Card therefore functions only in the oven with the corresponding serial number Each log on via the User ID Card is documented
16. e the weekly programmer is activated and the oven switches on and off automatically at the programmed times While the weekly programmer is in the OFF phase the oven is in standby mode Heating and fan are switched off the controller display is dimmed and shows the clock time The sequence of the weekly programmer is repeated every week A maximum of 9 time blocks each consisting of ON time and OFF time can be programmed By rotating the push turn control the following parameters can be selected and can be altered as described in the Section Setting the parameters Weekday Range Monday to Sunday Day groups Range workday Mo Fr weekend Sa Su No ON time On these days the oven is not switched on ON time Range 00 00 to 23 58 hrs OFF time Range one minute above ON time to ed Further clockwise rotation selects the parameters EHE setpoint etc as in operating mode If no further settings temperature setpoint etc are made for the ON phase the controller accepts the values from operating mode For safety reasons always check that an ON time has been programmed only during the required time blocks and days Direct setting of the temperature setpoint When the controller is in stand by mode or if the weekly programmer is in the ON phase the temperature setpoint can be selected directly by briefly pressing the SET key Clockwise rotation then selects the temperature monitor Anticlockwise rotation
17. eals in solenoid valves and electrical sockets fluoride rubber FKM FPM Viton Door seal Silicone rubber The load for the vacuum drying oven must be carefully evaluated for its chemical compatibility with the above materials A table listing about the compatibility of all these materials can be requested from MEMMERT page 9 VO 5 Oven construction and connections VO LZ E NA a am IST page 10 memmert page 11 Computer connection serial communication interface Printer connection parallel printer port optional Air gas connection IN 1 Air gas connection IN2 optional Vacuum connection OUT Norprene connection tube vacuum pump vacuum appliance Vacuum pump module connection Control connection for pump purging Vacuum pump optional Mains connection pump module Connecting line pump purging Control connection pump purging Mains connection vacuum unit Flange socket Thermoshelf Main switch pump module Vacuum pump VO 6 Starting up 1 Connect the vacuum connection 5 to the vacuum pump connection 6 of the pump module or to a suitable external vacuum pump using the Neoprene connection tubing 7 supplied with the pump module 2 When using a pump module the connections for the pump purge 8 11 must be linked together using the cable 10 supplied with the equipment 3 Plug in the mains supply plugs of the supply cables 9 12 4 If the oven is to be charged with inert
18. ected tolerance margin of the setpoint in the example 150 C 100 C is reached again Bec 208 C BOT too ASF set to 10 C in E SETUP ec ASF activated e ASF activated ASF activated ASF alarm ASF alarm VO page 36 Setpoint changed ASF de activated automatically If the temperature setpoint is altered the automatic temperature monitor is automatically de activated temporarily see in the example the setpoint is changed from 150 C to 75 C until the tolerance margin of the new temperature setpoint is reached see in the example below the ASF is re activated at 75 C 10 C ASF set to mec 10 C in SETUP S 160 C 160 C RCL ALL Le I P TA Z AAT am Lia Ml ft LZ too 140 C 140 C IN 85 C f O BA A AAA ARA idc E ALI DDR AAOLILA da 65 C ASF activated ASF activated 2 ASF activated ASF activated ASF alarm ASF alarm page 37 VO 24 Calibration 24 1 Calibration temperature User calibration of oven and controller with three calibration temperatures selected by the user CAL1 temperature calibration at low temperature CAL2 temperature calibration at medium temperature CAL3 temperature calibration at high temperature Either a positive or a negative calibration correction can be applied to each selected calibration point General calibration instructions Select the required calibration temperature in SETUP and set the corresponding calibration correcti
19. ed up for the first time it should be supervised continuously until steady conditions have been reached 3 3 Oven load Full consideration must be given to the physical and chemical properties of your load e g combustion temperature etc in order to prevent serious damage to load oven and surroundings Please note that the MEMMERT ovens described here are not explosionproof they do not conform to the Industrial Association Specification VBG 24 and are therefore not suitable for drying evaporating and burning in of paints enamels or similar materials whose solvents may produce an inflammable mixture with air There must be no possibility of the formation of inflammable gas air mixtures either within the oven chamber or in the immediate surroundings of the equipment Large amounts of dust or corrosive fumes inside the oven chamber or in the surroundings of the equipment may produce deposits within the oven and lead to short circuits or damage the electronics It is therefore important that adequate precautions are taken against excessive dust or corrosive fumes In order to ensure proper air circulation inside the chamber there must be sufficient spacing of the load inside the oven Do not place any load on the floor against the side walls or underneath the ceiling of the chamber heating ribs In order to ensure optimum air circulation the shelves must be so inserted that the air spacings between door shelf and rear chamber wall are app
20. eference gauge should indicated 500 mbar A further vacuum calibration below CALE can be programmed with CALI and another one above CAL2 with CALA La VO page 40 Note When all the calibration corrections are set to Omb the oven is restored to the factory calibration Calibration point 1 Vacuum calibration Calibration correction adjustment range down to Range 10mB to 10mb 20 mbar below CAL2 Calibration point 2 Vacuum calibration adjustment range 20 mbar Calibration correction above CAL1 to 20 mbar Range 10mB to 10mb below CAL3 Calibration point 3 Vacuum calibration adjustment range 20 mbar above CAL2 up to 1100 mbar Calibration correction Range 10mB to 10mb 25 Communication interface for the PC 25 1 USB interface The chamber is fitted by default with a USB interface in accordance with the USB specification With this interface it is possible to control and log the chamber remotely from the computer For this the Celsius software is used The chamber must be given a unique device address in the SETUP submenu menu item ADDRESS via which the computer communicates with the oven The default setting is ADDRESS 8 Using this the appropriate oven can be selected and programmed from the computer If several chambers are to be connected to a computer via USB interface an appropriate interface on the computer and a separate cable are required for each chamber The maximum cable length is 5 m page
21. etting the vacuum of second ramp segment Rotate push turn control clockwise until the vacuum indication is flashing Hold down the SET key and use the push turn control to set the required vacuum of S mb 13 Setting the air gas connection IN1 of the second ramp segment only with corresponding additional fittings Turn the push turn control to the right until the INLET display flashes Hold down the SET key and select the desired air gas connection IN1 with the push turn control 14 Set closure command for second ramp segment Turn the push turn control clockwise until a segment closure command e g END appears Hold down the SET key and set SPLIT P3 with the push turn control 15 Select duration of third ramp segment Using the push turn control select the time indication Hold down the SET key and set the time 82 00 using the push turn control 16 Select temperature of third ramp segment Turn the push turn control clockwise until the temperature display is flashing Hold down the SET key and set the required temperature setpoint of 180 C using the push turn control 17 Setting the vacuum of third ramp segment Rotate push turn control clockwise until the vacuum indication is flashing Hold down the SET key and use the push turn control to set the required vacuum of S mb page 27 VO 18 Setting the air gas connection IN1 of the third ramp segment only with corresponding additional fittings Turn the p
22. extensive programmes are prepared graphically on the PC Where a MEMoryCard XL is programmed it can be read only on the same oven type for which it has been programmed Marking The text field of the MEMoryCard XL can be marked individually with text or diagram 27 1 Programming the MEMoryCard XL from the oven Insert the MEMoryCard XL into the slot in the control panel field The selected settings are written directly to the card and stored on it After the card has been removed the programme stored internally in the controller becomes again activated 27 2 Programming the MEMoryCard XL from a PC with the oven Link the PC to the oven with an interface cable via the serial interface see Section Communication interface Insert the MEMoryCard XL into the input slot in the control panel field Write protection The MEMoryCard XL can be provided with write protection using the PC program Celsius 2007 The programme on the card can then not be altered on the controller 27 3 Programming the MEMoryCard XL from a PC using the read write unit Using a read write unit which can be purchased separately the MEMoryCard XL can be programmed from a PC with Celsius 2007 without any connection to an oven It is important to ensure that the MEMoryCard XL has to be inserted with the contact field pointing upwards towards the marking of the read write unit page 45 VO Note The programme remains stored on the MEMoryCard XL after th
23. fresh air and IN2 for inert gas Calibration correction for user calibration of temperature CALI to CALI ADJUST TEMPERATURE CALIBRA TID n READJUST TEMPERATURE CORRECTION see Section Calibration Calibration correction for user calibration of vacuum CALI to CALS BUST VACUUM CALIBRATION READJUST VACUUM CORRECTION see Section Calibration Exit setup mode store all settings and exit SETUP mode 22 1 Real time clock The real time clock is set in SETUP and includes date and clock time The real time clock serves for documentation according to GLP Date and clock time are marked in the report print On the graphics print the time axis is marked in real time The clock runs with a buffer battery independently of the mains power supply The built in lithium battery Type CR 2032 has a life of approx 10 years page 31 VO 23 Temperature monitor and protection devices The monitor temperature is measured with the Pt100 temperature sensors in the heating trays The monitoring system serves as protection for the oven load and protects the oven and its surroundings The oven is provided with duplicate overtemperature protection mechanical electronic according to DIN 12 880 visual alarm symbol alight TB alarm Audible flashing TWW alarm alarm signal TWB alarm ASF alarm Overtemperature protection TWW TWB Automatic temperature monitor Undertemperature protection ASF 23
24. gas e g nitrogen the gas cylinder must be connected only to the gas inlet IN2 4 The maximum pressure of 1 5 bar must not be exceeded Use pressure reducing valve for 1 5 bar max 5 Push in the thermoshelves 14 as far as possible Any thermoshelves not being used should be placed on a soft surface 6 Close the door of the vacuum oven 7 Switch on the main switch 15 of the optional pump module 8 Switch on the main switch of the vacuum oven Warning On first start up do not operate the oven unsupervised until steady conditions have been reached VO page 12 7 Switching output for external vacuum pump purge valve and pump control option The 3 way switched output serves to control the vacuum pump of the optional pump module PM of the vacuum oven VO 7 1 Vacuum pump purge valve When loads with a high moisture content are being dried there is a possibility during prolonged operation that the pump output decreases through condensate forming in the pump heads The diaphragms can be blown free by briefly purging the pump heads with fresh air This improves the effectiveness of the drying process Note In conjunction with the optionally available pump modules PM 200 PM 400 and PM 500 this cyclic purge takes place Pin connections of the socket automatically as the pump performance deteriorates on the back of the unit 1 output purge valve Decisive advantage E GND switched The drying process
25. ge push turn control and the SET key 13 Setting the temperature Hold down the SET key and set the temperature setpoint with the push turn control After the SET key has been released the display briefly flashes the temperature setpoint The display then changes to the actual current temperature and the controller starts to control to the selected temperature setpoint VO page 16 14 Quick venting function The quick venting function is used in unloading and loading the vacuum oven without having to alter the selected vacuum setpoint 1 15 Rotate control anticlockwise and select OPENDOOR in the menu For rapid venting of the vacuum oven press SET key The vacuum oven is vented automatically to atmosphere so that the door can be opened To evacuate the vacuum oven to the most recently selected vacuum setpoint press the SET key again Status indication for the heating levels Heating symbol lights up as soon as this level is heated Heating tray symbol lights up as soon as a heating tray is inserted page 17 VO 16 Selecting the operating mode Ci CO ES An Cee Normal Weekly Programme Printer Basic settings operation programmer operation After holding down the SET key approx 3 sec the current operating mode flashes on the display A different operating mode can be selected with the push turn control while the SET key is being held down After the SET key has been released the controller
26. in the internal flash memory If the User ID Card is inserted the SETUP menu includes the additional item B LOCA When the setting is changed to 57 all changes to the oven are blocked after the chip card has been removed The blockage through the User ID Card is indicated by the illuminated key symbol OQ on the control panel Important If the oven is blocked through the User ID Card there is no rogramme operation with the MEMoryCard XL since that card could be removed at any time and reprogrammed externally page 47 VO 29 Cleaning Regular cleaning of the easy to clean inside of the chamber prevents deposits which over time can detract from the appearance and the functionality of the stainless steel chamber The metal surfaces of the oven can be cleaned with commercially available cleaning agents for stainless steel It is important to ensure that no rust forming object comes into contact with the chamber or the stainless steel casing Rust deposits cause infection of the stainless steel If any contamination causes rust stains on the surfaces of the chamber such spots must be cleaned off immediately and the area polished The control panel the plastic input modules and other plastic components of the oven must not be cleaned using scouring cleaning agents or those containing solvents 30 Maintenance Important for a long life of your MEMMERT product and in case of warranty claims Note Any work involving open
27. ing up the oven must only be carried out by a suitably qualified electrician MEMMERT products require little maintenance It is however recommended to lubricate all moving parts of the doors hinges and closure once a year or 4 times a year with continuous operation using a thin Silicone grease and to check that the hinge screws are tight A well closing door is essential on an oven On Memmert ovens tight closure of the door is ensured by a seal on the oven and another one on the door In continuous operation the flexible sealing material may take a permanent set Readjustment may then be necessary in order to ensure proper closing of the door ee e Thetop part 1 of the door hinge can after releasing the 2 screws 2 at the top or bottom of the door be moved slightly in the direction of the arrow e The door can be adjusted after releasing the socket screw 3 and rotating the excentric 4 by means of a screwdriver NOTE Screw 3 is locked with locking varnish It can be released by a sharp tug using a hexagon socket key Apply more locking varnish to screw 3 and tighten it The closing panel 6 can also be adjusted in the direction of the arrow after releasing the screw 5 It is important that the panel is then screwed down firmly VO page 48 31 Door seal The areas indicated should always be dusted with talcum powder Talcum powder Talcum powder page 49 VO 32 Error messages Main sw
28. ircuit This product is intended to operate on a supply network with a system impedance Zmax at the transfer point building connection of 0 292 Ohm max The user has to ensure that the product is only operated on an electrical supply network which meets these requirements If necessary details of the system impedance can be obtained from the local electricity supply authority Note Any work involving opening up the oven must only be carried out by a suitably qualified electrician 4 3 External connection Equipment connected to the external connections must have interfaces which meet the requirements for safe low voltage e g PC printer 4 4 Material quality from MEMMERT External casing stainless steel Mat Ref 1 4016 Piping stainless steel Mat Ref 1 4571 Working space stainless steel Mat Ref 1 4404 featuring high stability optimal hygienic properties and corrosion resistance against many not all chemical compounds warning against chlorine compounds for example Thermoshelves aluminium The heating mat is vulcanised to the underside of the thermoshelf and covered with stainless steel it consists of Silicone rubber Thermoshelves stainless steel Mat Ref 1 4404 The heating mat is vulcanised to the underside of the thermoshelf and covered with stainless steel it consists of Silicone rubber Connector between thermoshelf and electrical socket in rear wall Ryton RA GF PPS plastics and PEEK GF30 S
29. irst ramp segment is flashing Hold down the SET key and set the time 50 01 using the push turn control 6 Select temperature of first ramp segment Turn the push turn control clockwise until the temperature display is flashing Hold down the SET key and set the required temperature setpoint of 180 C using the push turn control 7 Setting the vacuum of first ramp segment Rotate push turn control clockwise until the vacuum indication is flashing Hold down the SET key and use the push turn control to set the required vacuum of W50mb VO page 26 8 Setting the air gas connection IN1 of the first ramp segment only with corresponding additional fittings Turn the push turn control to the right until the INLET display flashes Hold down the SET key and select the desired air gas connection IN1 with the push turn control 9 Set closure command of first ramp segment Turn the push turn control clockwise until a segment closure command e g ERB appears Hold down the SET key and set SPWT EM with the push turn control 10 Select duration of second ramp segment Using the push turn control select the time indication Hold down the SET key and set the time 50 01 using the push turn control 11 Select temperature of second ramp segment Turn the push turn control clockwise until the temperature display is flashing Hold down the SET key and set the required temperature setpoint of 80 C using the push turn control 12 S
30. itch switched on display Check power supply fuse has blown Check power supply remains dark Have fuse checked by an electrician Display in temperature display Fault Pt100 sensor on thermoshelf or tray not Fully insert the thermoshelf or check correctly inserted it at another heating level Thermoshelf does not heat up yellow Fault internal temperature fuse of thermoshelf Return thermoshelf to customer heating LED is alight service for checking Red alarm symbol is alight Temperature limiter activated See Section Mechanical continuously temperature monitor temperature limiter TB Errormessage E LA Error communication to all power units Customer service possibly controller faulty As far as VO appliances are concerned error messages are shown in the alphanumeric display In case there is a fault on the oven please get in touch with an authorised service organisation or contact the Memmert customer service department When dealing with the service department always quote the product serial number on the oven label 33 Supply failure Supply failure in operating mode Normal operation o After a supply failure the operation is continued with the set parameters The instant and duration of the supply failure are documented in the record memory Supply failure in operating mode Weekly programmer After a supply failure the operation is continued with the set parameters The instant and duration of
31. l 25 Exit programme writing mode EDIT Turn the push turn control clockwise until EXIT appears on the display Press the SET key briefly to enter 26 Set temperature monitor Turn the push turn control clockwise and set the temperature monitor see Section Temperature monitor 27 Start programme Turn the push turn control anticlockwise until the stop symbol E IS flashing Hold down the SET key and select Start gt with the push turn control VO page 28 21 Printer PRINT VO ovens may be equipped with a parallel printer interface as used in personal computers This parallel printer interface on the back of the oven is suitable for connecting conventional PCL3 compatible ink jet and laser printers which are provided with a parallel printer interface e g HP Deskjet 5550 or HP Deskjet 9xx It is important to use a screened interface cable The screen must be connected to the plug case The controller is provided with an internal log memory see Section Log memory The report data can in this operating mode be printed out through the printer connected to the oven When using a colour printer the various graphics can be printed in colour On the printout the GLP data head is also printed automatically and contains the following information Printing date Time period of report Running page number Serialnumber and oven designation By turning the push turn control the following parameters can be
32. lities 9 L load oven 5 LOOP 19 M maintenance 48 material quality 4 7 medical product 4 memory card 38 MEMoryCard XL 38 N NEXT 19 normal operation 13 O OFF time 15 ON time 15 operating mode selection of 12 operating mode indication 11 operation 10 oven settings basic 24 overtemperature protection 27 P parameters setting the 12 printer 23 programme segments 19 Protection Class 1 26 Protection Class 3 1 34 protection devices 26 purpose intended 4 42 R ramp segments 19 RS232C 34 RS485 35 S setpoint dependent waiting time 17 SETPOINT WAIT 19 SPWT T 19 stacking 9 start up 5 Steri card 40 page 53 steriliser cassettes 47 sterilisers 42 subframe 9 T TB 26 temperature setting the 11 temperature calibration 32 temperature deviation 32 temperature display 11 temperature limiter 26 temperature monitor 26 temperature monitor automatic 29 temperature setpoint 11 time display 11 transport 4 TWW 34 U undertemperature protection 27 User ID Card 41 W wall bracket 9 weekday 15 weekly programmer 15 VO Notes VO page 54 Memmert GmbH Co KG Postfach 1720 D 91107 Schwabach Tel 49 0 9122 925 0 Fax 49 0 9122 145 85 E Mail sales memmert com www memmert com 27 05 2011 VO englisch D09851
33. nd NACION ec ttr iere oer e petente menie ette reo etre 16 Operating thedool citt eate desde tds ple HL leet Be reat uoa tect want ee 16 Wegen cec 16 Setting thretemperatute 4 dis ert too aleae C EE A OE RA EORR A weis uds 16 QUERIA UN A a EM 17 RTS 17 Selecting the operating mode a A ete petet sei Re E 18 Setting the parameter o vp pd peut op DH eee EN P eu 18 Normal operatio MEL n etit sete Mte ee te eet re de ee e udi eto Lee tti bote et o 19 Setting example Normial operatloh sn neret tet ede dee diete trie ae dete dei re 20 Weekly programmer AQ cri C eH Rm erm dee ied tle ve bis 21 Programming example Weekly programmer sssssssssssssssseeeeee eene nennen nr nennen nnne nennen 22 Programrne operation Am at e ee Be tue uf ta Rte Rus 23 20 1 Closure commands for ramp segments sssssssssssssssseeesne eene rennen rennen enhn nennen nennen 25 Setting up example Programme operation enie aa e nn eene eene nennen eene nnne nene nennen nen 26 Printer PRINT Dex MEUM AI ML AM Mp pa CO MEA 29 Basic oven settings eru MEER RUE AEE o O ee 30 22 1 Realtime clock AA OUT DI NUI EN 31 Temperature monitor and protection devices eene enne ne nene nennen nnne eene nnne nn 32 23 1 Mechanical temperature monitor temperature limiter TB eee 32 23 2 Electronic termiperat re mORBItOF cte e dt oe este di e feb Sandee es 33 23 2 1 Overtemperature protection MBA sisse eene ennnerr n ennt en rn ra a aar 33 23 2 2 Under
34. nitor ON symbol Hold down the SET key and select In using ASF ON the push turn control Notes on the ASF The tolerance margin for the ASF is selected in SETUP see the menu item Tolerance margin ASF in the Section Basic oven settings SETUP Tolerance margin reached ASF activated The ASF is automatically activated when the actual temperature has reached 5096 of the selected tolerance margin of the setpoint in the example 150 C 5 C The activation of the automatic temperature monitor is indicated by the bright AUTO symbol 250c 200 C 150 C 109 ASF set to Bat 10 C in SETUP exc ASF activated ASF activated ASF alarm page 35 VO Going outside tolerance margin ASF alarm Going outside the selected tolerance margin of the setpoint in the example 150 C 10 C for example through opening the oven door during operation triggers the alarm Triggering the ASF alarm is indicated by flashing and AN symbol If the sounder is switched on in SETUP the ASF alarm is additionally signalled by an interrupted tone By pressing the SET key the sounder can be switched off temporarily until the next occurrence of an alarm event 250 20TC 1500 fore m es s 7 SETUP ASF activated ASF activated ASF alarm ES AS F alarm Again within tolerance margin ASF alarm switched off The automatic temperature monitor alarm is switched off automatically as soon as the sel
35. on to 0 0 C Measure the deviation from the selected calibration temperature under steady conditions using a reference instrument Set the calibration correction in SETUP If the measured reference temperature is too low the calibration correction setting has to have a negative sign Carry out a check measurement using the reference meter The procedure can be carried out for up to 3 calibration temperatures Example Correction of a temperature deviation in the load at 100 C 1 popu 0 C VO Set calibration temperature CALZ to 100 0 C in SETUP and set the corresponding calibration correction to 0 0 C Using a calibrated reference instrument an actual temperature of 99 6 C is measured in normal operation for a setpoint temperature of 100 C In SETUP set the calibration correction for CRL 2 to 0 4 C After the oven has settled down the reference instrument should read 100 0 C With CALI a further calibration temperature can be programmed below EAL 2 and with CRL 3 an additional calibration temperature above CALZ 100 C page 38 Note If all calibration corrections are set to 0 0 C the factory calibration is restored Calibration point 1 Calibration temperature Calibration correction Range down to 10 C below Range 9 9 C to 9 9 C CAL2 Calibration point 2 Calibration temperature Calibration correction Range 10 C above CAL1 to Range 9 9 C to 9 9 C 10 C below CAL3 Calibration point 3
36. or messages Language selection Alphanumeric text display Internal log memory with 1024 kB for storing actual temperature temperature setpoint vacuum and error states with time stamp Control of oven and logging of actual temperature values on MEMoryCard XL Programme sequence control for up to 40 ramp segments Vacuum pressure control for digital operation of the built in solenoid valves Programmable inlet valves for fresh air and inert gas Integrated weekly programmer with group function e g all workdays Recessing push turn control for simple operation of the oven Visual alarm indication Built in sounder as alarm if limit values are crossed as acoustic signal at programme end and to acknowledge input key click Digital monitor controller for overtemperature undertemperature and automatic setpoint following monitor ASF Mechanical temperature limiter TB protection class 1 Monitor relay to switch off heating in case of fault Each thermoshelf has a separate Pt100 DIN class A temperature sensor for temperature measurement and can be removed individually Convenient integral 3 point temperature and vacuum calibration Temperature dependent control unit ventilation USB interface for computer based temperature control programmes and to read out the controller s internal log memory MEMMERT software Celsius for remote operation of the oven via computer and for reading the controller s internal log memory A pre formatted blank ME
37. ove the value set as high alarm Where no undertemperature protection is required this has to be set to the lowest temperature Note The temperature monitor can be set independently of the operating mode During ramp operation the monitor temperature must always be set sufficiently far above the maximum working temperature page 33 VO The manually set monitor temperature and the electronic overtemperature protection are monitored on VO ovens by an adjustable temperature monitor TWW Protection Class 3 1 to DIN 12 880 23 2 3 Adjustable temperature monitor TWW Protection Class 3 1 to DIN 12 880 If the manually set monitor temperatur is exceeded the TWW takes over the control of the temperature and starts to control at the monitor temperature As a warning the alarm symbol A is flashing TB approx 20 C above Tmax emergency operation TWW set manually setpoint temperature x controller fault VO page 34 23 2 4 Automatic temperature monitor ASF AUTO A monitoring device which automatically follows the selected temperature setpoint The tolerance margin of the ASF is set in SETUP see the menu item Tolerance margin ASF in the Section Basic oven settings SETUP Automatic temperature Using the push turn control select the AUTO monitor OFF symbol Hold down the SET key and select GFF using ASF OFF the push turn control Automatic temperature Using the push turn control select the AUTO mo
38. ration In this operating mode up to 40 freely programmable temperature time ramps can be set Rotating the press turn control while holding down the SET key selects the following parameters in sequence after released the SET key a new programme can be programmed or an existing programme can be edited stops the programme starts the programme After EDIT has been activated the following parameters can be selected and can be altered as described in the Section Selecting the parameters Delayed programme start switch on day Range Monday to Sunday workdays Mo Fr weekend Sa Sun all days Mo Su or no day If no day of the week is selected the oven starts up immediately after the programme is started MNSTANT START Delayed programme start switch on time Range 08 00 to 23 59 If no switch on day has been selected it is not possible to select a switch on time and the programme starts immediately MSTART START page 23 VO Duration of first ramp segment Range 1 minute to 888 hours Setpoint temperature temperature at the end of the ramp segment Range 20 C to 200 Vacuum at the end of the ramp segment Adjustment range 18 to WEG mbar or LO Closure command of segment ramp Range NEXT SPLIT LOOP HOLD END see Section Closure commands for ramp segments Exit the programme write mode EDIT Turn the push turn control clockwise unti EXIT appears on the display briefly press
39. roximately equal The maximum number and the loading of the shelves can be found in the table in the Section Technical Data VO page 6 4 Technical data Chamber height B mm Chamber depth C mm pc 1 3 4 i 1 141 8 a 7 2285 rh p B o zu p zu E vec 1 i r a 4 gii Bi n E e us Be J Demi A A Een L 4o H fl 40 250 Oven width D mm Oven height E mm Oven depth F mm 1 Max number of shelves Max load per shelf kg Max load per oven kg Ambient temperature 5 C to 40 C rH 80 max no condensation Overvoltage category Il Contamination level 2 Ambient conditions Setpoint temperature range 20 C to 200 C 0 8 10mbar 1100mbar O 5 C mbar Working temperature range From 5 C above ambient temperature up to 200 C max 0 5 x 10 mbar 1 sec page 7 Chamber width A mm 8 3 U1 T N O Ol N N eo e NIB VO 4 1 Standard equipment of VO ovens basic variation Electronic fuzzy supported PID process controller with permanent power matching and time saving auto diagnostic system for rapid fault finding see section Err
40. s has to be assigned to the oven in sub menu SETUP option ABBRESS This is the address through which the PC communicates with the oven The default setting is ADDRESS D Using this address each oven can be addressed by the PC and programmed For this purpose the PC must be equipped with an RS485 interface or must be fitted with an RS232 RS485 converter The cabling has to suit the individual location using a screened cable The maximum total length of the cable is 150 m A maximum of 16 devices can be addressed on the RS485 bus A termination resistance of 220 Ohm has to be connected to the last device RS 485 9 pin serial MO EE ISE EA OR A OO E EN posee A cic aa ica dp mme paH page 43 VO 26 Log memory The controller continuously records all relevant measurements settings and error messages at 1 minute intervals The internal log memory is arranged as a ring memory i e the new data always overwrite the oldest report data The report function can not be switched off but remains active at all times The data are stored in the controller protected against any manipulation The controller memory can be read to produce documentation Every data set is stored with a unique date stamp The size of the internal log memory is 1024kB This corresponds to a memory capacity of approximately 6 months continuous operation During ramp operation a larger amount
41. selected in turn and altered as described in the Section Setting the parameters Reading the date of the first print page Reading the date of the last print page Start graphics print Print programme and configuration page Exit print menu and back to main menu page 29 VO 22 Basic oven settings In this operating mode it is possible to make the basic settings of the oven Clock time date day year and settings of sounder of address assignment monitoring units heater power and calibration are set here The following parameters can be selected by turning the push turn control and altered as described in the Section Setting the parameters Clock time in 24 hour format The winter summer time changeover does not take place automatically but must be set manually by the user Date The controller incorporates a calendar which automatically allows for the different lengths of the months and also for leap years Year Range from 2000 to 2 Audible signal at programme end Setting GFF or On Audible signal on alarm e g overtemperature ALARM SOUND Setting OFF or GF Communication address Range to 15 see Section Communication interface Tolerance margin ASF Range e to 28 C see Section Temperature monitor VO page 30 Language Settings GERMAN ENGLISH FRRRCERIS ESPA OL and TALIA Vent connection select IN1 or IN2 option Settings Mi or Md e g IN1 for
42. t heat liquids in closed vessels In order to prevent condensation in the working space heat liquids using a drying programme with venting cycles In order to prevent excessive condensation in the working space working temperature and venting cycles should be chosen to suit the moisture content of the load Do not heat any liquids releasing fumes which form an inflammable mixture with air During the evaporation of liquids with a large surface area it is possible that the cooling produced during evaporation may result in the set temperature not being reached The oven described in these Operating Instructions must never be used for drying or heating of loads releasing fumes which may form an inflammable mixture in combination with air The ovens described here must never be operated in areas with a hazardous atmosphere page 15 VO 10 Controls and indications time thermoshelves alarm indication display operating mode temperature pressure display indication display text display push turn control monitor temperature SET key main switch chip card reader indication 11 Operating the door The door is opened by pulling on the door handle The door is closed by the door handle being pushed in 12 Switching on The oven is switched on by pressing the push turn control Oven switched off The push turn control is pushed Oven switched on and can be operated using the in and protected against dama
43. takes place more rapidly and with reduced FAV DC energy consumption the wear on the pump is reduced 3 itch off This function can be de activated by removing the pump El END wit h d purge connecting cable at the back of the unit suchen 7 2 Demand controlled vacuum pump shut down option After the end of a drying programme or after prolonged operation with any vacuum demanded by the controller the vacuum pump incorporated in the pump module PM is switched off via the control line Note A control signal switches off the vacuum pump incorporated in the optional pump module PM The signal lamp in the main switch of the pump module remains alight even when the vacuum pump has been switched off via the control line Decisive advantage The demand controlled shut down of the vacuum pump reduces energy consumption and increases the life of the vacuum pump by reducing the wear on the pump diaphragms This function can be de activated by removing the pump purge connecting cable at the back of the unit The vacuum pump is then running continuously page 13 VO Loading and Inertgas The load must only be placed on the thermoshelves Slide in the thermoshelves up to the stop Do not dry or heat any load which releases fumes developing an inflammable mixture in combination with air Provide optimum heat transfer from the thermoshelf to the load Ensure that the load rests properly on the tray For maximum number of trays an
44. temperature protection MINJ essssssssssssssss eem eem eene nnne 33 23 2 3 Adjustable temperature monitor TWW Protection Class 3 1 to DIN 12 880 34 23 2 4 Automatic temperature monitor ASF LAUTO J sssssssssssssss mem emen 35 page 2 24 25 26 27 28 29 30 31 32 33 34 35 36 Galibratlony de cto 0 Les cs ON cita ele Ma Ng ll a eoa A ta t vete ace E e be doe oL Ap fit 38 24 1 Galibration tem peratures cited nce Stet te b yet ene t at siye eM ts 38 24 2 Calibration pressure vacuum ee emen nnnm nenne E nenne seen enne eene ee enn sense 40 Communication interface for the PC eie ottica ao 41 25 1 NE A eee mettere A IR ee een 41 25 2 Communication Interface RS232C Opt On a ge ette ar dae th dere ett eee a D pe tees e ede 42 25 3 a EEEE ETNE E e emen nennen nnne nhrnn nne eere nennen nr eee enn enne nnns 43 Log MENON pU cuu 44 26 1 Reading THE log MEMO td rhe rrt pet e ete Tent re poa E 44 26 2 Reading the log memory into the PC via RS232C ssssssssssssssssssee eee enn eene ener nenne nen nennen 44 26 3 Printing the log memory from the oven ssssssssssssss eene nennen rne nnne en nennen enne nnns 44 only for oven models with printer ports eene nnne een rre n enr nennen ene ren eene 44 Memo card MEMONCatd XL s aereis eter bett ioo on Det eet a emi Lee efe eiat 45 27 1 Programming the MEMoryCard XL from the oven sssssssssssssssse eee eene eene nennen nennen 45
45. the supply failure are documented in the record memory N Supply failure in programme operation After a supply failure lasting less than 15 minutes the current programme is continued at the point where it was interrupted The instant and duration of the supply failure are documented in the log memory On a supply failure lasting longer than 15 minutes the oven immediately starts in manual operation for safety reasons and all settings are set to safe default values see table Supply failure in remote operation On a supply failure in remote operation the oven immediately starts in manual operation for safety reasons and all settings are set to safe default values see table Programme continuation has to take place from the PC The instant and duration of the supply failure are documented in the log memory Default value 1 100mB VO page 50 34 CE Conformity Declaration EC Declaration of Conformity Manufacturer s name and address MEMMERT GmbH Co KG u ere Rittersbacher Stra e 38 D 91126 Schwabach Product Vacuum drying oven Type VO Sizes 200 400 500 Nominal voltage AC 230 V 50 60Hz The designated product is in conformity with the European EMC Directive 2004 108 EEC including amendments Council Directive of 03 May 1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility Full compliance with the standards listed below proves the conformity of the
46. the SET key to enter VO page 24 20 1 Closure commands for ramp segments Follow on with next programme segment Wait until the setpoint temperature is reached The oven only startsthe next programme segment when the programmed setpoint temperature has been reached even if the programmed heating time has already elapsed Wait until the set vacuum has been reached Theovenstartsthe next programme segmentonly when the programmed vacuum has been reached even if the programmed segment time has already elapsed or if the set temperature has already been reached Wait until temperature setpoint and vacuum setpoint have been reached The oven starts the next programme segmentonly when the programmed setpoint temperature and the programmed vacuum have been reached even if the programmed segment time has already elapsed Ramp repeat function The set programme is repeated after passing through all programmed segments 93 repeats COAT continuous repeat function End of programme without switching off the heating temperature and all other settings e g air valve are maintained Programme end heating is switched off chamber is vented The programme segments are linked together by the segment closure command These commands therefore control the programme sequence closure closure command command closure ramp ramp closure command segment 3 segment 4 command ramp SPUIT 7 in o ramp segment 2 C segment
47. ush turn control to the right until the INLET display flashes Hold down the SET key and select the desired air gas connection IN1 with the push turn control 19 Set closure command for third ramp segment Turn the push turn control clockwise until a segment closure command e g ERB appears Hold down the SET key and set NEXT with the push turn control 20 Select duration of fourth ramp segment Using the push turn control select the time indication Hold down the SET key and set the time 82 00 using the push turn control 21 Select temperature of fourth ramp segment Turn the push turn control clockwise until the temperature display is flashing Hold down the SET key and set the required temperature setpoint of H C using the push turn control 22 Setting the vacuum of fourth ramp segment Rotate push turn control clockwise until the vacuum indication is flashing Hold down the SET key and use the push turn control to set the required vacuum of imb 23 Setting the air gas connection IN1 of the fourth ramp segment only with corresponding additional fittings Turn the push turn control to the right until the INLET display flashes Hold down the SET key and select the desired air gas connection IN1 with the push turn control 24 Set closure command for fourth ramp segment Turn the push turn control clockwise until a segment closure command e g ENB appears Hold down the SET key and set EnD with the push turn contro
48. w It should not be disposed off as part of domestic refuse For disposal please contact your dealer or the manufacturer Products which are infected infectious or contaminated with health endangering substances are excluded from return Please note also all further regulations in this context 35 Address and customer service MEMMERT GmbH 4 Co KG PO Box 17 20 91107 Schwabach Germany Phone 49 0 9122 925 0 Fax 49 0 9122 14585 E mail sales memmert com Internet www memmert com Customer service Phone 49 0 9122 925 143 or 49 0 9122 925 126 E mail service memmert com When contacting customer service always quote the product serial number on the oven label VO page 52 36 Index A accessories 9 address 53 air supply 10 air valve 13 air valve indication 11 alarm indication 11 alarm symbol 26 28 ASF 29 automatic temperature monitor 29 B BALANCE 36 basic oven settings 24 bus interface 35 C calibration 32 calibration correction 32 calibration temperature 32 CE conformity declaration 50 cleaning 48 closure commands 19 connection 8 construction oven 10 controls 11 customer service 53 D day groups 15 delayed programme start 17 DIN 12 880 26 door 10 door handle 10 E END 19 error messages 49 F fan 10 fan indication 11 fan speed 13 H heating power distribution 36 HOLD 19 I indications 11 initial start up 5 installation faci
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