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1. Press Start Stop again to return to the starting point 14 27 12 0 02 bar 25 C Program Start Stop OO 6 5 Automatic preheating The Euroklav 23V S has a preheating function by means of which the autoclave chamber can be heated to the necessary temperature before a program starts or can be maintained at this temperature between cycles This not only shortens the time for each cycle but also reduces condensation on the walls of the chamber which helps to provide very good drying performance If the automatic preheating is activated then this begins as soon as the power is switched on In the default setting on delivery the automatic preheating is on The current setting for the automatic preheating can be changed as follows Operation Display message 1 Hold down button and also press button Select Function menu sub menu Print Program Start Stop OO Press or until the display shows the submenu autom Preheating Function autom Preheating Program Start Stop OO Press Program and the display shows the current option here Preheating Yes Preheating Yes Program Start Stop OO Pressing the Program button now alternates between the options Preheating Yes No here e g No Program Start Stop OO When the desired option has been selected press Start Stop and return to the Function menu then Function aut
2. Check the mains power supply installation if no errors can be found inform the service agent If there is a loss of power when the chamber is under pressure then there will be an additional reminder to sterilize the sterile filter since this may have become moist and non sterile Remove the sterile filter at the rear of the autoclave Sterilize the filter using the rapid program Page 40 Operating Manual for Euroklav 23V S Then replace the filter Malfunction 33 The time limit for the steam generator to reach the necessary pressure has been exceeded Pressure drop e If this occurs repeatedly inform your specialist dealer Malfunction 34 The minimum sterilization temperature has not been reached Sterilization TU Reduce the size of the load Malfunction 35 The maximum sterilization temperature has been exceeded SS g If this occurs repeatedly inform your specialist dealer Sterilization TO Malfunction 36 Sterilization pressure falls below the minimum level m i Reduce the size of the load Sterilization PU If this occurs repeatedly inform your specialist dealer Malfunction 37 The maximum sterilization pressure has been exceeded 50 f this occurs repeatedly inform your specialist dealer Sterilization PO Malfunction 38 The difference between measured and theoretical AS temperature is too large Sterilization TD e If this occurs repeatedly inform your specialist dealer Malfunctio
3. or until the display shows All cycles Program Start Stop delete All cycles Delete 4 Press the Program button to delete all Program Start Stop records Allocated 0 O or press Start Stop to terminate O p en 4 0 5 Then press Start Stop to return to Function Program Start Stop ud OO e and press Start Stop again to return to the Program Start Stop starting point 14 27 12 0 02 bar 25 C O Page 27 MELAG 6 3 7 Test print out In order to check the printer and its connection to the autoclave a test print out can be made as follows Operation Display message TL Hold down also press Select Function menu submenu Print button and Program Start Stop Press Program button Select Print menu submenu File transmission Start Stop O Program Print File transmission Press or until the display shows Test printout Program Start Stop Test printout Then press the Program button for a test print out or press Start Stop to terminate Program Start Stop Then press Start Stop to return to the Function menu Program Start Stop OO and press Start Stop again to return to the starting position Program Start Stop OO 14 27 12 0 02 bar 25 C Page 28 Operat
4. OO Press the Start Stop button to return to the initial display Program Start Stop ask 2c OO Page 24 6 3 4 Print all stored cycle records In order to print out all stored cycle records with a fully installed external printer then select the following options after switching on the autoclave Operation Display message Operating Manual for Euroklav 23v S 1 Hold down button and also press button Select Function menu submenu Print Program Start Stop OO Press Program button Select Print menu submenu File transmission Print File transmission Program Start Stop OO nu Press or until the submenu Print storaged cycles appears on the display Print storaged cycles Program Start Stop OO Press Program button to start the printout of all the stored records up to 401 or to terminate press Start Stop and return to the Function menu Once printing has started termination is only possible by switching off the power Program Start Stop OO When the print out is complete the display again shows the submenu Print stored cycles Program Start Stop OO Press the Start Stop button to return to the Function menu and then press Start Stop again to return to the initial display Program Start Stop OO 14 27 12 25 C 0 02 bar Program Start S
5. The availability of cooling water and feed water will be checked automatically with a conductivity measurement wwe 6 OO At the start of the quick program there will be an additional message Warning Only unwrapped instruments This message must be acknowledged by pressing Start again 4 7 Program progress After starting the program it will then progress automatically The display shows the current program status as follows Program status Display message Pre vacuum consisting of evacuation removal of air until the appropriate Program Start Stop evacuation pressure is reached followed by Pr e vacuum steam introduction up to slightly above atmospheric pressure 0 72 b ar 6 0 C O O Display show pressure in chamber and steam temperature Phase 1 and following Depending on the program chosen and the 2 s Program Start Stop temperature of the chamber at the start of 1 Fractionation the program a number of cycles of steam inflow and outflow follow to ensure 0 69 bar 115 C O adequate penetration of super heated steam into the items being sterilized Heating phase A heating up phase follows The continuous Program Start Stop introduction of steam raises pressure and Heat u p temperature in chamber to the values o needed for the program 1 80 bar 117 C O O Sterilization phase When the required pressure and Program Start Stop temperature have been reached the Sterilization sterilization proper then begin
6. 0 9bar 85 C Immediate removal Press STOP Vacuum drying sin 2 0 12 bar 60 C Immediate removal Press STOP Quick Program run succesfully Please wait Door unlocking Open door please Program Start Stop OO Program Start Stop OO Program Start Stop OO Programm Start Stop Program Start Stop OO Program Start Stop OO Program Start Stop OO Page 15 MELAG 4 8 Print out record The print out record contains the following information Program Universal program Date 134 C wrapped 03 04 2000 Time of day 13 10 30 Start Batch number 3 Time of start Running load number for the day Pru E Pre heating temperature Conductivity 14 US Zeg Program step Press Temp Conductivity of purified feed water bar C Start 0 00 SS Pre vacuum Evacuation 0 77 65 Steam entry 0 01 99 Fractionation Steam entry SOT 1 9 Press release 20 04 Program phases with the values for steam Fractionation pressure and temperature and time relative to Steam entry 01 20 S program start Press release 19 04 Fractionation Steam entry 00 19 Press release 20 05 Fractionation Steam entry 00 20 Press release 220 05 Fractionation Steam entry 00 1 9 Press release 20 05 Heat up 405 34 Steriliz begin 05 34 Steriliz end l3 36 Pressure release 47 18 rying begin x 18 current 05 Drying pumping 08 Vacuum drying Drying begin d 98 Drying sub atm
7. Euroklav 23V S Safety valve Sterile filter Connection for internal distilled demineralized water supply One way water outlet 3 4 Pipe connection for internal demineralized distilled water supply Mains power cable Adjustable front feet Serial data and printer port RS 232 as On CON 10 11 12 13 14 15 16 17 Fuses 2x 16 A FF Power switch Overheating trip switch steam generator Sliding door lock Door left side hinge Control panel Tank lid Outlet connection for wastewater Outlet for distilled demineralized water Page 4 Operating Manual for Euroklav 23v 1 2 Control panel 2 x 20 alphanumeric LED display showing program status and parameters for basic and special functions Program Start Stop Buttons for selecting adjusting and Program selection Start stop buttons to start displaying special functions for sterilization programs test programs and interrupt programs Printing date time pre heating and for selecting options sub menus of the drying and to control special total loads conductivity re setting special functions functions Fig 2 Control panel Euroklav 23V S 1 3 Technical data Sterilization space diameter x depth S 25cm x 47cm Electric power supply 3000W 230V AC 16 A 50 60Hz Sterilization pressure temperature l 2bar 134 C 1bar 121 C Maximum load f 4kg instruments or 1kg textiles Further technical details are inclu
8. Initialization of the printer Setting up immediate print out ssseeeneeee 8 3 2 Vacuum test icit tpa ee agat ect deett agat ced t duet e ita ug idet eve dete ege dde dotada da 9 33 Test mp e dat ce tcn ig it ou adc ddp avt do de t dee dd EEN 10 od InstallationireCOord iiit duc ee eod Hee d pe Eid ee eed AER avd 10 3 5 Safety Ee e ET 10 4 INSTRUCTIONS FOR ALL STERILIZATION PROCEDURE G ccsseeceeeeeeseeeeeseeeeeseeeeeeeeeseeeseseeeenseeeeeees 11 4 1 Electricity and water supplies sssssssssssseeseeeeeee enne nne nn treten rnnt nnns 11 4 1 1 Distilled or demineralized feed waer 11 4 1 2 Power SUpply ou dei rcc EE dodi dde Ll Ae AL n oed Te Pix dee Prodr nean 11 4 2 Preparing instruments for sterilization ssessssssssesesesee eee nnne nnns 11 4 3 Eoading the autoclave ue dic d ERE ed ee UL E Te ede Log de c RED p ate eee 12 4 4 Glosing the d90r ene ett p Ed eee Ud de OE d ap ev 13 4 5 Program selection codd tee ee qnd eL Ee ned ee de EE EE 13 4 6 Program start cett dd Benedic Cade eee Ere e LIE ETUR ETE ee 14 AT Program progre SS aia ea an a E NA A a A EAA NEE a N A A 14 48 PrntOUttecord uiuere died ee ae a EEN eivi ea RE e Pa ep Se 16 4 9 Removing the sterilized items 17 4 10 Sterile SIOrage sciet ipee EE 17 4 11 Sterilization frequency pauses enemies sn nrte entente inna isses 17 4 12 Manual termination of program 18 4 12 1 Termination o
9. MELAprinf42 press SEL button green LED SEL should shine R The internal printer memory is full 40 cycles recorded an Printer memo ry external printer is registered and in the Print menu the full option Immed print out No is selected The message is displayed when a program is started Pressing the Start Stop button again deleted the message and the program starts e You can continue operations simply by pressing the Start Stop button twice when you start a program e Select Immed print out Yes see Section 6 3 1 7 e Delete stored records See Section 6 3 6 if necessary print out all stored cycle records first see Section 6 3 4 In the Data transfer menu select the No printer option see Section 6 3 1 7 8 The service message is activated after a certain number of Execute service loads when a service is due The message appears before p lease the start of every program If you press the Start Stop button again the message is deleted and the program starts e You can continue operations by simply pressing the Start Stop button twice when you start a program Have a service carried out as recommended by an authorised MELAG servicing company or your specialist dealer The cycle counter for servicing should be reset after the service Page 37 The leak rate during the vacuum test exceeds the limit value Test unsuccessful Check and if necessary clean the door seal and the rim of the
10. Otherwise Gentle Program After the message Please wait Door 1 2 1 C wra p p e d unlocking the display for the selected program reappears To undo the program termination press the Page 18 Operating Manual for Euroklav 23V S 4 12 2 Terminate drying A program can be terminated after starting of the program step Drying e g in case of needing an instrument urgently for use Since the sterilization has been completed the items are sterilized at this point Drying is crucial for sterile storage Depending on when the drying phase was terminated in particular in the case of wrapped sterile items insufficient drying must be expected We therefore recommend that you do not interrupt the drying process for wrapped items in the Universal Program or Gentle Program With the Quick Program it may be desirable to interrupt the drying program so that items can be used again The unwrapped items will dry as they are cooling down Warning If the drying process is interrupted than steam may be released when the door of the autoclave is opened Display message The autoclave is in the drying phase The display shows the drying time EE Vacuum drying alternately with sin 3 0 9bar 68 C O Program Start Stop the option to terminate the drying phase Immediate removal Press STOP O O Press the Start Stop button EE To confirm press the Start Stop once i again within 5 secs Stop program O
11. Press Program button Program Start Stop and the display shows the current option here One W ater s y stem AP One way 4 Press the Program to switch between the option Program Start Stop One way and circle Water s ys tem ress again to return EE circle 5 When the desired option has been selected press a Program Start Stop the Start Stop button to Function return to the Function menu and Water system 6 Press the Start Stop button again to return to the initial position 14 27 12 0 02 bar 25 C 6 9 Program modifications The standard programs are designed to meet most practical operational needs subatmospheric pulsing heating sterilization pressure release drying and ventilation and to display the parameters of most interest pressure temperature time The operator is responsible for ensuring that the autoclave is not overloaded and that the load is arranged properly to ensure good drying There are two standard options Automatic preheating and Additional drying Any further program modification to suit specific individual requirements should only be carried out by authorised personnel after consultation with your dealer or with the experts at MELAG Program O Start Stop Page 33 MELAG 7 Operational errors Malfunctions 7 1 What to do if the autoclave malfunctions If the autoclave does not seem to be working properly e g poor drying warnings
12. Termination of sterilization A program can be terminated after starting of the program step Drying e g in case of needing an instrument urgently for use Since the sterilization has been completed the items are sterilized at this point Drying is crucial for sterile storage Depending on when the drying phase was terminated in particular in the case of wrapped sterile items insufficient drying must be expected Warning Steam may escape when the autoclave door is opened If the sterilization phase of the program had not been completed then it is advisable to carry out an empty sterilization run before reusing the autoclave Display message Press the Start Stop button P Start St To confirm press the Start Stop once m ias in withi g again within 5 seconds Stop DI ogram d Press STOP O If no confirmation is given then the program resumes normally If confirmation is given then the program Program Start Sto stops E D Program stopped The pressure inside the autoclave will then be equalised either by pressure release or by Program Start Stop TE Pressure release ventilation IT Vvacuu l E 1 52 bar 112 C O After pressure equalisation the display will Program Start Stop alternately show the messages Terminated and an offer to quit the S to p en d program termination 0 0 2 b ar 8 8 C Program Start Stop Acknowledge with button O O button Program Start Stop
13. any load the drying may be impaired for this first cycle and then reload the autoclave and repeat the interrupted operation cycle If an external printer is connected and Immed print out Yes is selected a record will automatically be printed out at the end of the termination The print out shows the full name of the error and if a program has been interrupted before completion it will also show Load not sterile The following list gives error reports the cause and possible remedies Page 38 Operating Manual for Euroklav 23V S z The monitoring time for reaching the evacuation pressure for Malfunction 1 the individual pressure cycles pressure release or for reaching the minimum drying pressure has been exceeded Vacuum s r tem Check that the door seal and the lip of the opening to the pressure chamber are intact and clean Check that the autoclave is standing properly see Section 2 3 Check that the outflow of condensate is not obstructed by fallen instruments pieces of filter paper etc on the floor of the pressure chamber Check that the flow filter is not blocked at the front of the base of pressure chamber I Check for leaks using the Vacuum test program If this occurs repeatedly inform your specialist dealer The monitored time was exceeded not only for the heating up Malfunction 2 phases during air removal by sub atmospheric pulsing but also for achieving the required sterilization pressure Causes Steam
14. chamber Leak rate 3 8 Repeat the vacuum test with a completely cold autoclave If no other error reports occur during operation you can continue to use the autoclave until the regular service when the cause of the leak will be identified e The monitoring of the internal device battery voltage has WARNING determined a too low voltage value Batter y dead The battery has to be changed by the MELAG service company service 7 4 Error reports Errors are generally reported by an Error on the display with the number of the error and its short name Error reports may occur without a program start when the power is switched on or soon after or during a program If errors are reported during a program then in addition to the error report the program will also be stopped This may be accompanied by the equalisation of the pressure in the autoclave and in this case the error message will alternate with the messages Pressure release or Ventilation and End After the termination the display will alternately show the error message and Quit with button and then Terminate End Pressing deleted the error message if the error is not permanent Until you have quit the error message the autoclave door cannot be opened If a program has been prematurely terminated in this way the autoclave load must always be regarded as being not sterilized We recommend that you unload the autoclave carry out a sterilization cycle without
15. d d dd 4 1 2 Gontrol panel dt re tee dite a He t dicc re ates Le E d qt IE i dando dde 5 13 Technical data EE 5 1 4 Performance features of this autoclave ssssssssssssssesseeeeeeen ener nnne nenas 5 1 4 1 Prevacuum procedure combined with pulsed flow method sse 5 1 4 2 Operating range for sterilization essssessssssssesssesss eene 5 1 4 3 Integrated steam generalinei miii a E a e a a enne nennen nnn nnne nnne 5 1 4 4 One way Closed loop system Conductivity measurement Automatic water refilling 5 1 4 5 Electronic Parameter Control EPO 6 1 4 6 Combined pressure pulsing and vacuum drying sse 6 1 4 7 NK ue WEE 6 1 4 8 Documentations cde eet adie tote od ED o TR o E AT ada 6 2 JNSTAEEAHION eT 6 2 1 Setting up the autoclave ninisi uaiiie ardiente tdeo d dod ed Leve de e Ee Rad 6 2 2 Transport rnIDDODS uerit itte ide dod dero NENNEN REENEN dot dde n 6 2 9 Eevellingi si iip trt ie EH c CA EX UR e a T o e HD E RICE UR X ERE Ud 7 2 4 Mains power supply sisi gets anana a ieee A ee i ee eee 8 2 5 Outlet connection for one way waer 8 2 6 Internal water supply with demineralized distilled water 8 2 7 Connection of a water purification SYStOM nennen nnne nnns nnn nre 8 3 INTTTAL STAR ET DP 8 3 1 Printer connection Initialization optional 8 3 1 1 Connecting the MELAprint 42 Dade Sau dois Pa vada E edi en dhad E 8 3 1 2
16. heating ca 0 14 kWh x temperature 134 C Stand by mode hour ca 0 22 kWh x Program run including drying 0 33 kWh x for Quick Program warm start low load to 1 8 kWh x for Gentle program cold start full load Consumption of distilled 450 ml 2 4 5 cent for Quick program demineralized water 600 ml 2 6 cent 2 for Universal program or Prion program 650 ml 6 5 cent for Gentle program These values are valid for a constant power supply of 230 V 1 x energy consumption in kWh x price for one kWh in kWh 2 Based on a price of 0 10 per litre distilled water from the MELAdest 65 Page 46 Operating Manual for Euroklav 23V S 9 3 Instructions on drying The Euroklav 23V S provides very good drying standards for sterilized items Particularly difficult drying tasks e g double wrapping can also be dried to very good standards with the help of the supplementary drying function and the automatic pre heating see Sections 6 2 6 5 Please read the following sections which may help you to optimise your drying results 9 3 1 Drying in sterilization containers In the autoclave steam is produced by heating water The steam transfers heat to the instruments and sterilization container and warms these This leads to steam condensing on the instruments and containers Condensate Formation of condensation on the sterili
17. i eae te ce Ea eL aer Re penat 29 6 5 Automatic preheatlng tite ete tate iine D aee ii ient lade 30 6 6 Totalload count 5 noa net tentant iiec ite 31 6 7 Distilled demineralized water supphy eene nennen nnn nnne 32 6 8 Wery STOM e a ae A Ea EEEa di aus pees eee aes eet SIS dte ue 33 6 9 Program modifications 2 jaz oet teuren Ie e Let ee EO e e ee ra asd eite dx on estet df sine dua 33 7 OPERATIONAL ERRORS MALFUNCTIONS e eeeeeeeeeseisee einn n nente enin na snnm n nennt usitas asina natn nasa nn 34 7 1 What to do if the autoclave malfunctions ssssssssssssesseeeen enne nnne nnne 34 7 2 Malfunctions without display messages eene ener entente neni nnn senten renis 34 7 2 1 reel 34 7 2 2 Excessive water CONSUMPTION nennen enne ener nennen ener nnn nnns 34 7 2 3 Seege le cU 34 7 9 Marning messages i ecole ile ten oli egent lae ient lie estet ciae eda 35 RA tele o oth des eec ete dte te mated Apc ien heut 38 8 TAKING CARE OF YOUR AUTOCLAVE 2 2 1 1 2 inunneinleeeuALeuIenieueils 42 8 1 Preparation of nstrumente enne enne sn aaa Tena A Rano na aan a eaaa iaaa aiaa a a nenas 42 8 2 Rust formation Drag in rust sseesessssssssssssssseees enne enne tnn nennt enisi nnns a KANE daa enai Taaa at 42 8 3 Taking care of the TEE 43 8 3 1 CIS AMIN BEE 43 8 3 2 Use of demineralized or distilled water 43 8 4 Checking the operation of the autoclave sssss
18. or error reports then follow these instructions in order to exclude possible operational errors Following these instructions continue to work with the autoclave If the malfunction occurs repeatedly then contact our dealer and authorised MELAG customer service or contact MELAG directly You should describe the problem precisely and include the works number of your appliance 7 2 Malfunctions without display messages 7 2 1 No display After switching on the autoclave the display should show the initial setting see Section 4 1 2 If there is no display Check Exchange the two power fuses page 4 Fig 1 Pos 9 under the switch as follows Disconnect the power cable and remove the screw cap over the fuses using a screwdriver or a coin Exchange the fuses two reserve fuses are on the inside of the door lining then replace the screw cap and reconnect the autoclave to the power supply If there is still no display when the autoclave is switched on or if the display blacks out repeatedly please inform your specialist dealer If you exchange the fuses order two new spare fuses through your dealer MELAG Art No 57590 1 Is the cable plugged into the mains 2 Is the mains supply OK if necessary check with another appliance 3 Exchange the two power fuses page 4 Fig 1 Pos 9 under the switch as follows Disconnect the power cable and remove the screw cap over the fuses using a screwdriver or a coin Exchange the fuses two res
19. steam sterilization is unsuccessful since not only the instruments are protected but also micro organisms 9 3 4 Loading the autoclave Textiles and instruments should not be sterilized together in one sterilization container Textiles and instruments in separate sterilization containers should as far as possible not be sterilized in the same load However where this is unavoidable for economic or other reasons the following rules should be observed e Instruments and sterilization containers should be placed at the bottom e Textiles should always be placed at the top e Transparent sterilization packages and paper sterilization packages should be placed at the top except when in combination with textiles in which case they must be at the bottom N E RU EERE em ii Ei Seet ern Loading the autoclave 9 3 5 Loading containers with soft sterilization packing material Soft sterilization packages such as paper bags or transparent sterilization packages can be sterilized either in sterilization containers or sterilization baskets To enable better drying arrange such soft sterilization packages side by side and close
20. the last 40 programs These records can be downloaded at a later stage via the serial interface RS232 When the memory is full 40 program runs then before the start of the next run the oldest record will automatically be overwritten H an external printer is connected and operable and the option Immed print out No has been selected then confirmation will be requested before the oldest record is overwritten see Section 7 3 Hardware details and the nature of the print out documentation is provided in the following sub sections 6 3 1 Record print out 6 3 1 1 External printer 6 3 1 2 Connecting the external MELAprint amp 42 printer In order to connect a printer to the autoclave then a printer cable should be connected between the 9 pole Socket on the front of the autoclave see page 4 Fig 1 Pos 8 s and the 25 pole on the back of the printer ensuring a good connection and tightening the locking screws The power supply to the printer is provided by the power unit supplied with the printer which connects to the Socket on the rear of the printer The printer is ready for operation when the voltage lamp P shines and the status display Online Offline SEL The operating manual of the printer includes further details including the assembly of an external paper feed inserting paper and the general operation of the printer Page 21 MELAG 6 3 1 3 Initializing the printer After connecting the printer to the autocl
21. the submenu aqua dem Function O O supply aqua dem supply 3 Press Program button the display will show the Program Start Stop current option here aqua dem supply O O intern Intern 4 Pressing the Program button switches between Program Start Stop the options internal and aqua dem su pp l y extern press again to return extern 5 When the correct option has been selected press Program Start Stop the Start Stop button to Function menu and aqua dem supply O return to the Function 6 Press the Start Stop button to return to the Program Start Stop initial position 14 27 12 0 02 bar 25 C Page 32 6 8 Water system The Euroklav 23V S also allows the choice between closed loop and one way system In the closed loop System the demineralized or distilled water is reused In the one way system the demineralized distilled water is only used once which is particularly good for the instruments and the sterilizer but which leads to increased water consumption approx 500 ml The water system is selected as follows Operation Operating Manual for Euroklav 23V S Display message 1 Hold down button and also press button Select Function menu submenu Print Program e Start Stop 2 Press or until the Program Siart Stop display shows the i n submenu Water system Function Q Water system 3
22. MELAG Operating Manual for the Autoclave Euroklav 23V S with device software version 3 20 et sqq Dear Doctor Thank you very much for the trust which you have shown by purchasing this autoclave For more than 50 years now MELAG a medium sized family owned and operated company has specialized in the production of sterilization equipment for medical practice During this period MELAG has succeeded in becoming a leading manufacturer of sterilization equipment More than 335 000 MELAG units sold throughout the world testify to the exceptional quality of our sterilizers which are manufactured exclusively in Germany As all other MELAG products this autoclave was manufactured and tested according to strict quality criteria Before placing this unit into operation please read this Operating Manual carefully The long term functional effectiveness and the preservation of the value of your autoclave will depend on careful preparation of instruments before sterilization and on proper care of the unit The staff and management of MELAG EN1717 MELAG To ensure the functional effectiveness of this unit and to preserve its value 1 Prepare the instruments to be sterilized carefully 2 Take proper care of the autoclave 3 Use only pure distilled or demineralized water CONTENTS 1 DESCRIPTION OF THE UNIT 2 1ccociec reru eere erue nnne udo EENS 4 CE Views ofthe urit zitat eid edad e eot REENEN
23. U U If no confirmation is given then the program P ress S T O P resumes normally If the Start Stop button has been pressed again to confirm then the program Program Start Stop terminates O O After the ventilation of the chamber the display shows that the program has been Frodram Start Stop successfully completed Quick program run succesfully alternately with Program Start Stop Open door please O O If a printer is connected and an immediate Program Start Stop report has been selected this is printed out together with confirmation that the drying process has been terminated Page 19 MELAG 4 13 Reaction to warnings error messages The Euroklav 23V S has a number of safety features and an extensive integrated control and monitoring System in order to ensure the greatest possible level of safety for the sterilization process and to eliminate risks for the patients and operators Various aspects of the operation of the appliance such as pressure and temperature sensors are automatically checked when the autoclave is switched on The power supply and the quantity and quality of the feed water and cooling water are checked before a program can start A successful program start is followed in the next stages by the monitoring of all parameters of relevance for the sterilization If any limit values for the individual program phases are exceeded then there is a malfunction report and the program is automati
24. and for checking purposes a MELAprinf42 printer can be connected to print out a record immediately after completion of a program or to print out records from the memory 2 Installation When setting up and installing the autoclave please consult the separate instruction leaflet Installing the Euroklav 23V S 2 1 Setting up the autoclave The autoclave should be set up in a dry place which is protected against dust The base should be stable and able to support the weight of the appliance unloaded weight 43 kg The space required by the autoclave can be seen from the external dimensions as in Section 1 1 A minimum additional space of 10 cm should be allowed on either side and above the autoclave in order to ensure that heat can escape The electrical power supply should be a separate 230V AC circuit with a 16 A fuse Should it be decided at some stage to install an automatic one way water system it is necessary to have a connection to the wastewater plumbing near the autoclave preferably a wall outlet NW 40 or a sink trap standard length of outflow pipe 2m 16 mm width The work surface on which the autoclave stands must be higher than the outlet and the outlet pipe must be without bends and twists which could prevent water flowing out freely At the same time the work surface must provide convenient access to the autoclave and the display must be clearly visible The autoclave can be supplied with demineralized distilled water from t
25. at 134 C 2 bar and with sterilization time extended to 20 min for sterilization of wrapped items especially instruments and or mixed loads i e packed and unpacked This program is recommended for sterilization of instruments used in situations in which the danger of infection by pathologically modified proteins is suspected for example Creutzfeld Jacob and BSE MELAsteam Cleaning at 136 C 2 3 bar and a maximum cleaning time of 60 min for the steam cleaning of instruments that have already been disinfected CAUTION Use only together with a permanently installed MELAsteam Pistol otherwise the system is disabled See the Operator s Manual for MELAsteam Bowie amp Dick Test Program at 134 C 2 bar and a sterilization time of 3 5 min Used to check the operation of the autoclave Steam penetration of special indicators Vacuum test program Used to check the autoclave for leaks from a cold start Program name Display message Universal Program 134 C wrapped Quick Program 134 C unwrapped Gentle Program 121 C wrapped Programm Prion Program 134 C wrapped 20 MELAsteam Cleaning 2 3bar 60 Bowie amp Dick Test 134 C 2 2bar 3 5 Vacuum test Page 13 MELAG Parameter Application Program name Display message Basic display no program selected dbi l 15 31 33 0 02bar 22 C 4 6 Program start Press the Start Stop button once the desired program is shown on the display
26. at least every two weeks and washed out with clear mains supply water Hard stains and oily residues may have to be removed using a little washing up liquid and warm mains supply water with a suitable soft brush followed by swilling with distilled demineralized water Should the right tank need cleaning after a lengthy period of close loop operation then this should be cleaned in the same way and also thoroughly swilled 8 3 2 Use of demineralized or distilled water Quality requirements For steam sterilization it is necessary to use high quality distilled or demineralized water The water used should at least comply with the specifications in accordance with European standard EN 13060 listed in the table below For the operation of the Euroklav 23V S however battery water in accordance with VDE 510 is sufficient as long as the VDE specifications are strictly adhered to conductivity on production lt 10 uS cm when used x 30 uS cm pH value identical with EN 13060 evaporation residues analogous Where to purchase the water Battery water in accordance VDE 510 is widely available in large drug stores supermarkets and do it yourself stores at low prices The necessary purity standards must be expressly detailed on the label because with insufficiently pure water calcium scaling could form in the steam lines and valves restricting the operation of the autoclave Aggressive water pH 5 or 7 5 can also lead to damage in the autoclav
27. ave it must be registered with the autoclave processing unit initialized Proceed as follows Operation Display message 1 Switch on autoclave Display shows time Program Start Stop pressure and temperature 14 27 12 0 02 bar 25 C O Q Hold down button and Program Start Stop also press button Select Function menu sub menu Print Press Program button T Select Print menu sub Prin t Program Start Stop menu File transmission O O File transmission Press Program button Program Start Stop Select File t ission i i i DEM lida pie transmission status e g No printer No pr inter rae of hb button Program Start Stop until display shows R External printer File transmission Qo External printer Press Program button Program Start Stop Confirm the setting P 1 rint return to Print menu Q Q File transmission Press Start Stop button Program Start Stop return to the Function D OO Press Start Stop button Program Start Stop and rear to me nigel 14 27 30 ed 0 02 bar 25 C 6 3 1 4 Connection to an external PC 6 3 1 5 Installation Records and archives can also be kept by using an external PC This requires a suitable connection between the serial port of the PC and the printer port of the autoclave For data transfer and data processing then you must first install the program MELAwin on the PC 6 3 1 6 Downloading to a PC After co
28. cally interrupted In addition to messages warnings or malfunction reports on the display if a printer is connected then a printout will provide details of the type of malfunction and when it occurred If any such warning message occurs then you should consult Section 7 which provides detailed advice and possible operational errors 4 14 Operational pauses In general the door should only be leant to during operational pauses in order to reduce wear on the door seal and to avoid premature failure or sticking In the event of longer breaks such as during vacations the cooling water supply should be turned off and the feed water supply from the water purifier if one is connected 5 Closing down Transport Reinstallation When closing down and transporting the autoclave you should proceed as follows e Switch off the power Disconnect from the mains allow the autoclave to cool down Turn off cooling water and feed water supplies Disconnect pipes at rear of autoclave If transporting the autoclave with trays and tray rack assemblies in place then protect the inside surface of the door by including a sheet of foam or similar material e Warning To avoid damage use the original packaging when transporting the autoclave If the appliance may be exposed to frost in transit then follow the relevant service instructions e When setting the appliance up for reuse after transport or repairs then proceed in accordance with Sections 2 an
29. d 3 Page 20 Operating Manual for Euroklav 23V S 6 Special functions 6 1 Water quality conductivity Chamber preheating temperature By repeatedly pressing the button the preheating temperature of the chamber and the conductivity of the purified feed water used for steam generation can be displayed alternately Display message 1 Press down the button to display the conductivity of the feed water uS cm Conductivity 15 uS cm Release the button to return to the basic display as shown here or the program 14 27 12 TUR 0 02 bar 25 C Press the button repeatedly and hold down Temp preht chamb Display shows the pre heating temperature o of the chamber 1 2 0 C 6 2 Selecting extra drying The standard drying times for the various programs provide adequate drying if the autoclave has been loaded correctly see Section 4 2 Nevertheless with certain loads residual moisture may remain By selecting the Extra drying function the drying time can be extended by 5096 Display message At the start of the program press the nun Program Start Stop and then the program runs as se ec t e d described in Section 4 7 but with 50 longer drying time button The display shows a 1 message confirming the extra drying Su pp lent dr ying O O 6 3 Records Load documentation In order to document the progress of the sterilization program then the processor memory stores records of
30. ded in the Annex 1 4 Performance features of this autoclave 1 4 1 Prevacuum procedure combined with pulsed flow method With the pre vacuum procedure most of the air is evacuated from the sterilization chamber and the load in a first step Then the pulsed flow method is used in which steam flows into and then out of the autoclave to ensure effective penetration of the items to be sterilized by superheated steam This makes it possible to carry out demanding sterilization tasks rapidly and reliably such as for example the sterilization of wrapped instruments or textiles The stream penetration can be tested by implementing a special test program for the Bowie amp Dick Test which is the standard test for large scale sterilization operations 1 4 2 Sterilization categories The Euroklav 23V S features three sterilization programs for temperatures at 134 C the Universal Program for wrapped objects the Prion Program a special Universal Program the Fast Program for unwrapped items and the Gentle Program a sterilization program for textiles and rubber articles at 121 C The user can at any time perform additional functional checks of the autoclave by running the Bowie amp Dick Test for steam penetration and the Vacuum Test for leak testing The additional program MELAsteam is available as an option and functions at a temperature of 136 C 1 4 3 Integrated steam generation The powerful steam generation i
31. distilled or demineralized water of the appropriate quality This warning appears when the supply of demineralized distilled water is set to external IN this case the water will be supplied from an external water purifier The internal flow monitor for the demineralized distilled water supply has not reacted when filling the steam generator Supply from MELAdem 47 e Check the water purifier If necessary open the water intake tap If the pressure water storage unit is empty wait approximately 1 hour before restarting the program If the message reappears repeatedly have the water purifier serviced Supply from MELAdem 37 e Check the water purification system If necessary open the water intake tap If the message reappears repeatedly have the water purifier serviced If the autoclave is being used for the first time or is being restarted after a break then this message may simply be caused by the fact that the tubes were initially empty just repeat the start procedure Page 35 MELAG Cause Remedy WARNING Wastewater tank discharge No start possible Acknowledge with button Water quality bad Exchange module cartridge Water quality insufficient No start possible Acknowledge with button e This warning appears if the wastewater tank left tank is full The warning is generated when the water reaches the maximum level in the container Empty the tank as follows e Pul
32. e Formation of spots on instruments The extent to which spots form on the instruments depends on the quality of the water used to produce the steam Specifications for water quality in accordance with the EN 13060 Evaporation residue lt 10 mg l Iron lt 0 2 mg l Conductivity at 20 C 15 uS cm pH degree of acidity 5 7 5 sediment Hardness of ions of alkaline earth lt 0 02 mmol l uS cm micro Siemens per centimetre Page 43 MELAG 8 4 Checking the operation of the autoclave 8 4 1 Safety with automatic monitoring The electronic parameter control means that all relevant parameters are constantly monitored a compared with standard process data so that error reports can be made immediately If a program is completed without problems then on its completion there is an End message The print out contains a corresponding report The operator of the autoclave can check the progress of the program at any time by means of the values shown on the display or after its completion by means of the print out 8 4 2 Periodical bacteriological testing twice a year The German industrial standard DIN 58 946 Part 8 Section 3 2 recommends Periodical testing shall be carried out at the place of installation e g at 6 monthly intervals They shall demonstrate that sterilization is carried out satisfactorily when the operating instruction for the small sterilizer are followed Hygiene institutes and
33. edures 4 1 Electricity and water supplies 4 1 1 Distilled or demineralized feed water The autoclave automatically monitors the availability of cooling water and purified water as well as the quality of the distilled demineralized water before starting a program In order to allow an immediate program start and to avoid error reports or interruptions of programs see Sections 7 3 and 0 e Before the first sterilization at the start of the working day check that the internal water supply has sufficient water in the right chamber of the double internal tank If necessary refill with water of appropriate quality see Section 8 3 2 e f the feed water is drawn directly from a MELAdem 47 water purifier check that its water supply is turned on in good time this may be up to an hour before starting a sterilization program if the water supply has been turned off over night for example 4 1 2 Power supply Switch on the power using the switch on the front of the autoclave bottom right About 15 seconds after the message Please wait Door release the appliance is in the start status Program Start Stop Time h min s 1 4 2 7 1 2 Pressure bar 0 F 0 2 b ar 2 5 C Steam Temperature C 4 2 Preparing instruments for sterilization MELAG rust free materials All parts of the Euroklav 23V S which come into contact with steam are made on non rusting materials the pressure chamber and the door of stain
34. erve fuses are on the inside of the door lining then replace the screw cap and reconnect the autoclave to the power supply If there is still no display when the autoclave is switched on or if the display blacks out repeatedly please inform your specialist dealer If you exchange the fuses order two new spare fuses through your dealer MELAG Art No 57590 7 2 2 Excessive water consumption The consumption of distilled or demineralized water will vary depending on the program and the load in the autoclave If much more water is consumed than the amount specified in the Annex see Section 9 2 then you should 1 Check that the autoclave has been set up correctly and is higher at the front so that condensation can flow out at the back see Section 2 3 2 Check that the condensation outflow is not blocked by dropped instruments filter paper etc on the floor of the pressure chamber 3 If neither of these measures help to reduce water consumption please inform your specialist dealer 7 2 3 Poor drying Good drying depends only on the correct operation of the autoclave but also on the way the autoclave is loaded If drying is not satisfactory 1 Check that the autoclave has been set up correctly and is higher at the front so that condensate can flow out at the back 2 Check that the condensation outflow is not blocked by dropped instruments filter paper etc on the floor of the pressure chamber 3 Check that the maxi
35. f sterillZatiOn i eiie trit tette erede ER eet eee eere i AO ve 18 4 12 2 Terminate drylng tiet meet cte ete eed e et Peru es ee qut rre tds 19 4 13 Reaction to warnings error MESSAGES nene nnnm nennen nennen nnns 20 4 14 Operational ET 20 5 CLOSING DOWN TRANSPORT REINSTALLATION eeeeeeeeeees seen enne nnne nnn nennt nn tn anna 20 Page 2 6 SPECIAL FUNCTIONS 2 2 Incun ee 21 6 1 Water quality conductivity Chamber preheating temperature cccceceeseecessesceeeeeeeeeesseeeesseseaeens 21 6 2 Selecting extra drying WEE 21 6 3 Records Eoad documemalOR EE 21 6 3 1 Record Print EE 21 6 3 1 1 SAIT 22 6 3 1 1 1 Connecting the external MELAprint 42 22 6 3 1 1 2 Initializing the printer sssesessssssesseseeeeeeeee enne enne nnne nnns nnns 22 6 3 1 2 Connection to an external PDC 23 6 3 1 2 1 InstallatiOli oc recte ene Een T eege pde eg 23 6 3 1 2 2 Downloading to ab 23 6 3 1 3 omoi d m ES 23 6 3 2 Immed print out eso 23 6 3 3 Printing out stored records eeraa ria aa eee eeeeeeeaeeeseeseeeceseessneeseeeaeseeseeeeseenenseseeneeneeeenenaes 24 6 3 4 Print al stored Cycle records e aiin ad eiie tenetis i teret il Eoo i dta basis adire 25 6 3 5 Display printer memory Stats 26 6 3 6 Deleting cycle records i eae d e eret eir ee erit e ttes e Pe e aerei eap 27 6 3 7 NK Hoo prec TE EE 28 6 4 Resetting date and time cease ese tut pea
36. fter exchanging the purified water container or after maintenance of the water purification equipment there may be another report because at first the supply tube and or measuring cell will not have been washed out with fresh pure water Conductivity of the demineralized or distilled water exceeds the second limit value a program start is no longer possible Proceed as above for Water quality poor Page 36 Operating Manual for Euroklav 23V S Cause Remedy WARNING The pressure for the ventilation drying lies outside the permitted range The report comes at the end of the program and as the last line of the print out The sterile filter may be clogged or torn Exchange the Sterile filter sterile filter MELAG Art No 53390 Replace Acknowledge with button Communication with the printer via the serial interface has Printer is been interrupted This message appears when a report cannot Not read y be printed out It is displayed for 20 seconds If the printer l becomes operational during this period the cycle record prints out e The autoclave may be operated without a printer Check under the Data transfer menu that the option No printer has been selected see Section 6 3 1 7 Check the cable connection between the printer and the autoclave Check the power supply to the printer In the MELAprinf42 the red light should indicate power on The printer may be Offline Select online
37. fter interrupting the drying process residual steam can escape from the autoclave chamber d After opening the door do not touch any metal surfaces these will be hot Danger of burns Always use the tray lifter to remove trays or wear suitable hand protectors when taking out other items d If you install the optional water purifier MELAdem 47 or MELAdem 40 we recommend the installation of a water leak detector see installation details Section 2 d If you intend to install a water purification unit from another manufacturer then consult MELAG before you do so d The appliance is not suitable for sterilizing liquids d Under current VDE regulations this appliances is not suited for use in areas where there are risks of explosion 8 the appliance must only be serviced and repaired by MELAG or by its authorised representatives specialist dealers or customer services using only original parts and following service instructions d Before opening the housing always disconnect from the mains power supply d In order to ensure effective sterilization with the autoclave observe the instructions in this operating manual and in particular ensure that the loading of the autoclave is appropriate for the program selected d This appliance is only intended for use outside the patient environment radius 1 5 metres around the treatment location Page 10 Operating Manual for Euroklav 23V S 4 Instructions for all sterilization proc
38. genera tor of this error GE 2 the following e Maximum loading amounts were exceeded e Reduced heating output since the mains voltage was too low Please check the electrical power supply from the building Try to see if the device works properly when connected to another electrical circuit Loss of water as a result of leaks or from formation or collection of water Do not allow water to collect in the objects to be sterilized be sure to turn bowls cups glasses and the like upside down so that their openings are downward Cassettes perforated on once side must be turned so that their perforated side faces downward Important It is not allowed to use cassettes that are completely closed Important It is not allowed to sterilize without using tray racks After the above possible causes have been eliminated press the reset button on the device Symbol UU Important After pressing the reset button perform an empty sterilization cycle in the Fast program sterilization with completely empty sterilization chamber If the problem continues notify your specialist MELAG dealer Cause remedy The monitoring time for the ventilation of the pressure Malfunction 4 chamber was exceeded e Check that the pressure releases at the rear of the Pressure release chamber are not blocked e lf this occurs repeatedly inform your specialist dealer S 7 Maximum difference between the program duration and the Malfunction 8 internal cloc
39. he MELAdem 47 or MELAdem 40 which can be directly connected to the autoclave S Page 5 MELAG Provided that the instruments are prepared carefully for the sterilization stains on the load and soiling of the autoclave itself can be prevented 1 4 5 Electronic Parameter Control EPS The microprocessor in the Euroklav 23V S makes it possible to monitor pressure temperature and time continuously during a program by Electronic Parameter Control The overall operating time can then be optimised according the load and the temperature of the autoclave The process assessment and monitoring system in the program control compare current process parameters with standard process data and monitors the process relative to limit values for temperatures times and pressures This makes it possible to identify faults as they occur and provides quality assurance for the sterilization process 1 4 6 Combined pressure pulsing and vacuum drying This method ensures good drying results even for wrapped instruments 1 4 7 Pre heating By activating the pre heating function the cold autoclave chamber can be warmed up before sterilization or the temperature can be maintained between sterilization runs This reduces the duration of cycles and considerably reduces the formation of condensation thus improving drying results 1 4 8 Documentation The electronic memory stores records of the previous 40 programs For effective hard copy documentation
40. he integrated two chamber storage tank with freshwater and wastewater chambers Alternatively the Euroklav 23V S can also be connected to an external water purifier MELAdem 47 or MELAdem840 or an equivalent water purification system However please note that this will require additional space 2 2 Transport ribbons Take the autoclave out of the packaging by means of the transport ribbons The ribbons themselves are each removed by undoing two retaining screws which must then be screwed firmly back in place without washers Page 6 Operating Manual for Euroklav 23V S 2 3 Levelling In order to ensure that condensate can drain out of the autoclave which is important if it is to operate properly the appliance must have be higher at the front than at the back The autoclave should first be installed in a horizontal position this should be checked with a spirit level at the chamber flange and then the front feet should be extended by giving them five 5 turns V Rear view Fig 3 Installation of the Euroklav 23V S with wall mounted trap 1 2 3 4 5 6 4 8 9 Tank lid One way outlet Connection for internal supply of demineralized distilled water Pipe link for internal supply of demineralized distilled water Y connection with non return valve included in Item 6 Wall mounted trap MELAG At No 37410 Wall outlet NW 40 Supply line for external supply of demineralized distilled water Main
41. ife Brand new instruments The cleaning procedures described above must also be followed before sterilizing brand new instruments These often carry small amounts of grease oil and soiling from the manufacturing process Important Carefully follow all instructions provided by manufacturers of instruments for the preparation of their products for first time sterilization and for subsequent sterilizations 8 2 Rust formation Drag in rust As already explained the non rusting materials used in the autoclave cannot cause rust formation in the autoclave Where rust forms this is drag in rust This originates from instruments or other metal items carrying traces of rust even though they are made of stainless steel or which are made of normal steel but which have a damaged galvanic coating Often a single rusty instrument is enough to pass rust on to other instruments or to lead to film rust forming in the autoclave resulting to corrosion damage Drag in rust must be removed from the affected instruments or from the autoclave and tray assembly using a mild commercial cleaning agent for stainless steel This should not contain of chlorine Do not use steel wool a wire brush or other abrasive cleaners Spots can be removed with a damp lint free cloth or a cloth with surgical spirits or alcohol Page 42 Operating Manual for Euroklav 23V S 8 3 Taking care of the Euroklav 23V S 8 3 1 Cleaning The tray assembly and the autoclave cha
42. ing Manual for Euroklav 23V S 6 4 Resetting date and time The date and time can be reset if necessary e g winter time summer time as follows Operation Display message di Hold down button and also press button Select Function menu submenu Print Program Start Stop Press or until the display shows the submenu Date Time of day Function Date Time Press Program the display shows the current hour 24 hour clock here for example 17 00 Date Time Hour 17 by pressing the or button the following options can be selected Date Time Minutes 23 Date Time Seconds 13 Date Time Day 14 Date Time Month 05 Date Time of day Year 00 Program Start Stop OO After finding the required option e g Minute press the Program button and the current value flashes Date Time Minute 33 Program Start Stop OO Press or to increase or reduce the value Date Time Minute 28 Program Start Stop OO Page 29 Operation Display message 7 Press Program to confirm the new value which then stops flashing If more adjustment are necessary return to Point 4 and begin again Date Time Minute 28 Program Start Stop OO or press Start Stop to return to the Function menu and Function Date Time Program Start Stop OO
43. ion packaging such as MELAfoP then the items should if possible be stood vertically on the tray or sterilized in foil holders MELAG Art No 22420 They should never be laid flat one on top of the other If seals split open during sterilization it may be necessary to increase the length of the impulse on the sealing device or to use a double seal Standard tray cassettes sealed in MELAfof 250 mm wide must be taped and clasped additionally to ensure that the side seals do not split open Multiple wrapping The pulsed vacuum method means it is possible to use multiple wrapping Maximum loads Loads should not exceed 4 kg of instruments or 1 kg of textiles Mixed loads If mixed loads of textiles and instruments are to be sterilized then as far as possible the textiles should be above the instruments and direct contact with the instruments should be avoided Inclusion of textiles and instruments in the same sterilization container is not desirable Textiles should never come into direct contact with the walls of the chamber If different types of packaging are included in a load then e Instruments and sterilization containers should be at the bottom e Transparent and paper sterilization packaging should be at the top but lower than textiles Liquids The appliance is not suitable for the sterilization of liquids Suitability for sterilization Relevant information provided by manufacturers of instruments and textiles about sterili
44. k exceeded Timebase If this occurs repeatedly inform your specialist dealer A Door not closed properly Malfunction 9 Press grip down until contact is made display should then show Door closed Door o pen If this occurs repeatedly inform your specialist dealer Page 39 MELAG Malfunction 10 Steamgen too hot Malfunction 12 Door lock Malfunction 14 Water supply Malfunction 18 Sens defect Nr Malfunction 21 Preheating Malfunction 22 Overheating Malfunction 23 Current Malfunction 26 A D Converting Malfunction 27 Temp sens def 1 2 The capillary tube level regulator is open at the start of the program error report immediately after start or the monitoring time until refilling with demineralised or distilled water during the program until the end of sterilization is exceeded e This problem can arise because after stopping a program and immediately restarting wait for two minutes and try starting again If this occurs repeatedly inform your specialist dealer Maximum permissible time for door locking Check the locking bolt can move freely If this occurs repeatedly inform your specialist dealer The flow monitor for the demineralized distilled water supply does not close during the program see message Warning no feed water page 34 The internal testing of the sensors for temperature pressure or conductivity showed an excessive deviation the error ca
45. less steel steam pipes of Teflon and screws and magnet valves of bronze Film rust The use of these materials means that no parts of the autoclave can initiate rust formation Where rust does attack the autoclave or instruments sterilized in it tests repeatedly show that this has been brought into the autoclave on instruments film rust Even top quality stainless steel instruments can form rust if they are not handled properly e g if they are treated with the wrong chemical cleaning or disinfecting agents Preparing items for sterilization The example of the formation of film rust shows how important it is to prepare items properly before sterilization Handpieces and contra angles must be cleaned before sterilization and maintained e g by oiling Other instruments must be disinfected and cleaned immediately after use in accordance with UVV VBG 103 or similarly strict national codes of practice in a disinfectant and or cleaning solution at the correct concentration for the correct length of time MELAG recommends the use of cleaning aids such as ultrasonic baths cleaning and maintenance equipment for handpieces for contra angles as well as thermo disinfecting devices It is essential that the instruments are well cleaned in order to avoid dirt and contamination being separated from the load in the autoclave and clogging filters valves and nozzles In particular locks joints and hinges must be cleaned thoroughly with a brush before s
46. lon the left plug on the front of the autoclave and withdraw the emptying pipe as far as possible Hold the end of the pipe over a container min capacity 5 litre standing on the floor pull the stopper out of the pipe and allow the water to drain out When all the water has drained away replace the stopper in the pipe and push the pipe back into the opening on the front of the autoclave The message can then be acknowledged Conductivity of the demineralized or distilled water is above the first limit value a start is possible by pressing the Start button once more For the one way option e Empty water from storage container right chamber clean tank with distilled demineralized water and refill to max with purified water to specifications For the closed loop option e Empty water from both chambers of the internal storage tank clean tank with distilled demineralized water and refill to max with purified water to specifications Water from the MELAdem 47 The demineralization cartridge in the ion exchanger may be exhausted Exchange in accordance with the operating manual Water from the MELAdem 37 The demineralization unit may be exhausted Exchange in accordance with the operating manual Water from other purification equipment Exchange the demineralization deionisation unit in accordance with the manufacturer s instructions After taking the appropriate steps carry out the program start When starting for the first time a
47. low installed Double chamber trap storage tank Example 3 EN1717 Example 4 EN1717 Euroklav 23V S rear view with installed MELAdem 40 Euroklav 23V S rear view with installed and MELAjef MELAdem 47 Double chamber trap Double chamber trap Leak detector with stop valve optional Leak detector with stop valve optional MELAdem 40 MELAdem 47 MELAjef optional Page 45 MELAG 9 2 Additional technical data 9 2 1 Capacity Weight Weight unloaded Chamber volume 22 litre Maximum load Loading options Mount B with max 4 standard tray cassettes or 4 MELAG trays Mount C with max 6 standard tray cassettes or 3 MELAG trays MELAG Sterilization containers 28MG 23R M G 15K M G 17K M G R Foil holder 9 2 2 External supplies Electric power suppl O O Mains supply 230 V AC 10 4 A 50 60 Hz Rating 3000 W 16 A fuses circuit breaker 30 mA Distilled demineralized water Distilled or demineralized water in accordance VDE 0510 9 2 3 Operational parameters 9 2 3 1 Programs Operation times Program Operation time without drying Drying time Warm start Warm low load max load Quick program unwrapped 134 C 2bar 13 15 min Universal program wrapped 134 C 2bar 22 26 min Gentle program 121 C tbar 27 30 min Prion Program 134 C 2bar 22 26 min Bowie amp Dick 134 C 2bar 9 2 3 2 Energy Water consumption Pre heating Warming up to pre
48. m The autoclave can be connected directly to a water purification unit which provides the demineralized or distilled water required see page 44 Fig 4 Instead of connecting the feed water inlet to a storage container it is simply connected directly to the water purification unit The reverse osmosis systems MELAdem 47 and MELAdem640 are ideally suited to provide the quantity and quality of water needed for the Euroklav 23V S Detailed instructions on the installation of these water purification units are provided in their operating manuals When connecting water purification systems from other manufacturers it is very important to ensure that they are able to provide sufficient amounts of water at the required purity You are generally advised to consult MELAG first 3 Initial start up 3 1 Printer connection Initialization optional 3 1 1 Connecting the MELAprinf 42 The autoclave can be connected to an external printer the MELAprinf42 This is not supplied as standard with the autoclave In order to connect the printer to the autoclave follow the description in Section 6 3 1 2 3 1 2 Initialization of the printer Setting up immediate print out Initialize the external printer registering with the processing unit of the autoclave as described in Section 6 3 1 3 In order to select the immediate print out option which means that a record of each sterilization is printed out automatically as soon as it has finished proceed as de
49. m Start Stop adeb folie 14 27 30 O O SE 0 02 bar 25 C Page 23 MELAG 6 3 3 Printing out stored records When an external printer is fully installed a print out of selected records from the memory can be produced by selecting the following options after switching on the autoclave Operation Display message 1 Hold down button and also press button Select Function menu submenu Print Program Start Stop OO Press Program button Select Print menu submenu File transmission Program Start Stop Print File transmission Press or until the submenu Last cycle print appears on the display Program Start Stop Last cycle print No 40 Press Program button the cycle record number flashes Program Start Stop Last cycle print No 40 To select another number press the or button until the right number is reached e g here No 25 Program Start Stop Last cycle print No 25 O CH Press Program button to start the print out of the Selected record or to terminate press Start Stop and return to the Function menu Program Start Stop OO If you wish to print further records then return to Point 4 or Program Start Stop Last cycle print No 40 Q to terminate press Start Stop and return to the Function menu Program Start Stop
50. m Start Stop OO Program Start Stop OQ Program Start Stop OC Program Start Stop OO Program Start Stop OO Program Start Stop OO Program Start Stop OO Program Start Stop OO Display message Page 9 Open door Program Start Stop Vacuum test Q If the leakage rate is above the limit value then the display and the print out will also show Test unsuccessful In this case follow the instruction in 7 3 3 3 Test run In order to check the operation of the autoclave under realistic conditions a test run should be carried out with the Universal Program 134 C wrapped and a relevant load After loading the autoclave and selecting the program with the Program button sterilization is started by pushing the Start Stop button If the program runs correctly the following message will appear on the display see Section 4 7 5 Program Start Stop Universal Program run successfully O O with the values for the maximum values for pressure and temperature If the immediate printout option has been selected for an external printer a record of the program run will be printed 3 4 Installation record As documentation that the autoclave has been set up properly an installation record should be produced by an authorised person and a copy sent to MELAG This is important in the event that you wish to make claims under warranty provisions 3 5 Safety instructions d When opening the door particularly a
51. mber including the contact area of the door gasket and the door opening should be inspected thoroughly at least once a week for signs of damage or soiling If necessary wipe out the autoclave chamber using a lint free cloth and surgical spirits This involves withdrawing the trays and tray guide assembly Stubborn spots can be removed using small amounts of a mild commercial steel cleaning agent pH levels from 5 to 8 Care must be taken to ensure that cleaning agent does not get into the pipes attached to the autoclave chamber The cleaning agent must not contain chlorine and should not be alkaline Do not use abrasive cleaning pads steel wool or brushes Inspect the door seal every week for signs of damage and soiling and if necessary clean it with a mild commercial liquid cleaning agent pH levels from 5 to 8 or with surgical spirits If necessary the seal can be removed The bolt of the door lock right side and the door hinge left side must be regularly lubricated with silicone grease MELAG Art No 24355 in order to ensure that the door can easily be locked and unlocked without unnecessary wear The outer parts of the autoclave can be cleaned with a mild commercial cleaning agent or with surgical spirits If water is supplied from and returned to the internal tank then this should be inspected before refilling with distilled demineralized water Whenever necessary it should be cleaned The wastewater tank on the left should be emptied
52. mum load has not been exceeded particularly for textiles that the autoclave has been loaded properly no direct contact with the walls of the pressure chamber and that the appropriate tray rack assembly has been used see Section 4 2 4 Activate automatic pre heating see Section 6 5 5 Start with Additional heating see Section 6 2 6 If none of these measures help to reduce water consumption please inform your specialist dealer Page 34 Operating Manual for Euroklav 23V S 7 3 Warning messages For the following warning messages please observe the comments made and restart the program in question If the warning occurs repeatedly please consult your specialist dealer Waring message Cause Remedy WARNING Door open No start possible Acknowledge with button WARNING Water supply aqua dem dest refill No start possible Acknowledge with button Warning Water supply Check supply aqua dem dest No start possible Acknowledge with button Door not closed properly Press grip down until contact is made display should then show Door closed This message appears when the supply of demineralized distilled water is set to internal so that water is supplied from the internal tank If the water level in the storage tank right chamber falls below the minimum mark the signal will be triggered e Check the level of water in the tank and refill to max with
53. n be reported on switching on the appliance or in the course of a program If this occurs repeatedly inform your specialist dealer The pre heating has not reached the necessary temperature within the specified time limit If this occurs repeatedly select the option Automatic preheating No and inform your specialist dealer see Section 6 5 The maximum preheating temperature was exceeded If this occurs repeatedly start the autoclave without preheating and inform your specialist dealer The monitoring time for the pressure release in the outflow process for the fractionation was exceeded e Check that the flow filter at the bottom of the chamber close to the door is not blocked If this occurs repeatedly inform your specialist dealer The limit deviation for internal analog digital signal conversion has been exceeded If this occurs repeatedly inform your specialist dealer The limit deviation between the two sensors for the steam temperature has been exceeded If this occurs repeatedly inform your specialist dealer Cause remedy Malfunction 31 System leak Malfunction 32 Power failure Sterile filter sterilize During the Vacuum test program the pressure was too high very large leak Repeat the vacuum test and if there is another error report inform your specialist dealer After starting the program there was a loss of power The error report is received when the electricity supply is restored
54. n 41 The monitoring period for the pressure release in the flow i release during drying was exceeded Current drying e Check that the flow filter at the bottom of the chamber close to the door is not blocked If this occurs repeatedly inform your specialist dealer The monitoring time for the pressure increase during Malfunction 42 pressure drying was exceeded Dr y in g press pump e Check that the sterile filter is not blocked if necessary replace fthis occurs repeatedly inform your specialist dealer The monitoring time for vacuum generation during vacuum Malfunction 43 drying was exceeded d 3 e Check that the flow filter in the chamber directly behind Drying Vac pump the door is not blocked If this occurs repeatedly inform your specialist dealer Page 41 MELAG 8 Taking care of your autoclave 8 1 Preparation of instruments MELAG rust free materials All parts of the Euroklav 23V S which come into contact with steam are made on non rusting materials the pressure chamber and the door of stainless steel steam pipes of Teflon and screws and magnet valves of bronze Film rust The use of these materials means that no parts of the autoclave can initiate rust formation Where rust does attack the autoclave or instruments sterilized in it tests repeatedly show that this has been brought into the autoclave on instruments film rust Even top quality stainless steel instruments can form rust if they are no
55. n the sterilization chamber makes it possible to sterilize large loads of instruments or textiles in a short time This system of steam generation means that excess temperatures in the sterilized chamber are not possible 1 4 4 One way Closed loop system Conductivity measurement Automatic water refilling The Euroklav 23V S can be operated in the tried and tested one way system in which steam condensed water and all dissolved impurities are led away at the end of every sterilization cycle and fresh demineralized or distilled water is then used This is particularly good for all the materials used However in some instances it is also important to use less water and the Euroklav 23V S can also be used in a water conserving closed loop mode In this case the used water flows from the left side of the double chamber storage container over the separating wall into the right hand chamber This water is then used again in the next sterilization cycle With the closed loop operation it is important that the instruments to be sterilized have been very carefully washed and swilled in purified water The water in the autoclave must also be exchanged once a week An integrated electrical conductivity meter monitors the quality of the demineralized or distilled water used to generate the steam Using the recommended one way operation for the autoclave the increased consumption of demineralized or distilled water can be provided by a water purifier such as t
56. njunction with a tray rack since this ensures that steam penetration and drying are as good as possible In exceptional situations e g when using sterilization containers from other manufacturers and after consultation with your specialist dealer or with MELAG the tray rack can be removed and the container can be placed directly in the autoclave chamber For the sterilization of instruments sealed in transparent sterilization wrapping it is recommended that you use the foil stand MELAG Art No 22420 This contributes considerably to the drying process for such wrapped instruments Trays Trays for objects which are to be sterilized must be perforated in order to allow condensation to run away MELAG trays are recommended If you use dishes or trays without perforations then the objects being sterilized will not dry properly Enclosed sterilization containers Enclosed sterilization containers must be perforated on at least one side preferably underneath or must have valves in order to ensure that steam can penetrate and condensate can run out All MELAG sterilization containers meet these requirements with perforations on two sides and filter cloth inlays Sterilization containers which only have perforations on the top only allow limited drying If sterilization containers are stacked in the autoclave it is important to ensure that the perforations are not blocked Transparent sterilization packaging If you use transparent sterilizat
57. nnecting the autoclave to a PC the print out option for External PC must be selected Proceed as for an external printer see Section 6 3 1 3 but under Point 5 use the or button to select the External PC option Page 22 Operating Manual for Euroklav 23V S 6 3 1 7 No printer In order to select the option No printer proceed as described as in Section 6 3 1 3 Under Point 5 however use the or button to reach the setting No printer 6 3 2 Immed print out Yes No When an external printer is fully installed a print out can be produced automatically at the end of each program run by selecting the following options after switching on the autoclave Operation Display message 1 Qn Hold down button and Program Start Stop also press button Select Function menu sub menu Print Press Program button P Start St Select Print menu sub P r i n t MM ar Sop menu File transmission O O File transmission Press button select sub menu Immed print Program Start Stop out Display shows Immed pr intout current option here e g N No oO The button Program can be used to switch Program Start Stop between Yes and No Immed print out Press Program button Y es Select Yes option Press Start Stop button P Start St Confirm the setting and oat M return to Function menu sub menu Print Press Start Stop button Progra
58. om preheating Program Start Stop OO press Start Stop again to return to the starting point 14 27 12 0 02 bar 25 C Program Start Stop OO Page 30 Operating Manual for Euroklav 23V S 6 6 Total load count The Euroklav 23V S keeps a running count of the total number of loads sterilized and this be displayed as follows Operation Display message 1 Hold down button and also press Program Start Stop Select Function menu submenu Print Press or until the display shows the Program Start Stop submenu Sum batch Function Q O ber ora Sum batch number Press Program the display shows the current Program Start Stop total load count e g Sum batch number 367 OO Close by pressing Start Stop and return to the Function menu then Function O O Sum batch number Program Start Stop Press Start Stop again to return to the starting Program Start Stop An te 2 O Page 31 MELAG 6 7 Distilled demineralized water supply The Euroklav 23V S allows a choice between external and internal distilled demineralized water the selection being made as follows Operation Display message 1 Hold down button and also press button Program Start Stop Select Function menu sub menu Print 2 Press or button until the display shows Program Start Stop
59. on system 9 3 8 Improving the drying The drying can be improved by the following measures Pre heating the autoclave empty sterilization Arranging transparent sterilization and paper packing vertically Selecting the program option Additional drying Extending the drying times please consult your MELAG customer service BA 3 GB 23VS doc Rev 0 07 258 Page 50
60. regional medical test centres can supply test spores on request and document the results of sterilization on a test form 8 4 3 Maintenance recommendations Regular maintenance of the autoclave is important if it is to have a long life and remain in good working order MELAG recommends that the Euroklav 23V S be serviced annually by a trained technician in accordance with maintenance instructions for this autoclave The annual service includes a visual inspection and a test of operational functions As well as all essential components and electrical elements parts are also inspected for wear and replaced as necessary A maintenance reminder appears on the display after 1000 sterilizations Consult your dealer of the MELAG Customer Service if you have any questions relating to servicing and maintenance Page 44 Operating Manual for Euroklav 23V S 9 Annex 9 1 Installation options Example 1 EO um 7 Example 2 Example 3 Fig 4 Installation options for the Euroklav 23V S A with double chamber trap B 1 Alternatively a separate outflow trap can be installed Example 1 Example 2 Euroklav 23V S rear view basic version Euroklav 23V S rear view with one way water Water supply be means of internal double chamber outf
61. s 88 Drying pumping j SES Drying end S oD End 86 Final report Mean sterilization temperature deviations PROGRAM PROPERLY EXECUTED Mean sterilization pressure deviations Temperature to 136 6 DL 0 1 C Pressure S 2 17 0 01 0 01 bar Duration of sterilization Sterilizate 3 min 30 s Time of day 13 49 49 End Time at end of program 12 00000815 3 16 1 13 Info line with total number of loads Works number and software version Page 16 Operating Manual for Euroklav 23V S 4 9 Removing the sterilized items After opening the door the sterilized items can be removed Be careful when removing the sterilized items Touching the metal surfaces can lead to burns Always use the appropriate aids to lift the trays MELAG tray lever standard tray lifter or wear suitable hand protection 4 10 Sterile storage After removing wrapped sterile items the wrapping should be checked for any signs of damage If it is defective e g split seals then the sterilization of the items must be repeated after the items have been re wrapped It is important for sterile storage that the items have been properly dried The Euroklav 23V S provides very good drying if the program has not been interrupted before its completion and the autoclave has been properly loaded see Section 4 2 Directly after sterilization there may still be residual condensation on the items or the container Because the i
62. s o The display shows alternately the pressure 2 1 8 b ar 1 3 5 C and temperature and the time remaining cl 7 Program Start Stop Sterilization still 2 min 12 sec O O Pressure release After completion of the sterilization time the Program Start Stop pressure is released and the steam Pressure release generator emptied Pressure and temperature fall 0 85 bar 96 C O O Page 14 Operating Manual for Euroklav 23V S Program status Display message 1st drying phase Flow drying After pressure release the drying phase begins Throughout the drying phases of the program can be ended without an error report since the sterilization itself has been completed However with the exception of the Quick Program you should normally wait until the drying is completed 2nd drying phase Vacuum drying The flow drying is then followed by a final pulsed vacuum drying phase Throughout the drying phases the program can be ended without an error report since the sterilization itself has been completed However with the exception of the Quick Program you should normally wait until the drying is completed Program end After ventilation of the chamber the program is completed If a printer is attached and print out yes is selected the record will be printed out immediately After the door has automatically unlocked the door can be opened to remove the sterilized objects Current drying sin 1
63. s power supply Page 7 MELAG 2 4 Mains power supply The electric cable of the appliance is plugged into a mains socket rated at 230 V 50 Hz The power rating of the autoclave is 3000 W In order to avoid overloading the electricity supply we recommend using a separate electrical circuit fitted with a 16 A fuse and optionally protected with a 30mA circuit breaker 2 5 Outlet connection for one way water The connection for the one way water outlet at the back of the appliance is connected to the drainage system of the building by means of the outlet pipe supplied textile reinforced transparent pipe DN16 It is important that the pipe should have a steady downward gradient without twists and kinks When connecting to a separate outflow pipe NW40 a wall mounted trap should be used MELAG Art No 37410 see Fig 3 2 6 Internal water supply with demineralized distilled water The internal supply of demineralized distilled water is used for the autoclave in closed loop operation see page 44 Fig 4 the water is extracted from the right chamber of internal water storage tank The autoclave is supplied with a pipe link with two swivel connections installed to connect the storage tank outlet with the inlet for demineralized distilled water To fill the tank the lid must be removed and the demineralized distiled water of suitable purity filled into the right hand chamber until the Max mark 2 7 Connection of a water purification syste
64. scribed in Section 6 3 1 7 Page 8 3 2 Vacuum test In order to check the operation of the autoclave in the course of the initial start up after long periods without being used or after moves as well as periodically during routine use a vacuum test should be carried out to check for leaks The vacuum test should be carried out as follows preferably on the cold autoclave DESI eed Switch on power then after the message the display will show the basic parameters Close the door Press the Program button several times until the display shows Vacuum test Press Start Stop button The evacuation pressure has been reached The equalisation period begins After waiting for the equalisation 5 min the measuring period starts running here e g for 7 min 52s After the measuring period 10 min the chamber is ventilated and then the leakage rate is displayed if the immediate printout option is selected for an attached printer then a record will also be printed After the message Please wait Door unlocking this alternating message will appear Operating Manual for Euroklav 23V S Please wait Door unlocking 14 27 12 0 02bar 25 C Vacuum test Vacu test Start Pressure 980mbar Vacu test 00 00 Press 240mbar Vacu test 07 52 Press 243 mbar Ventilate 0 56 bar 25 C Leak rate 0 3 mbar Open door please Program Start Stop OO Program Start Stop OO Progra
65. ssssssssesesseeeeee ener ennt enne 44 8 4 1 Safety with automatic monitoring sess nennen nnne 44 8 4 2 Periodical bacteriological testing twice a year ssesssssseeeneeneenn 44 8 4 3 Maintenance recommendations eene ennemis 44 Hi ANNEX 1 E EE Ee 45 9 1 Inst llation options os eed EE 45 9 2 Additional technical data TEE 46 9 2 1 Gapacity W Ee TEE 46 9 2 2 eee 46 9 2 3 Operational parameters sss enne nnne entes s innt sen trte innen nnns nnne enters 46 9 3 Instructions Ori ele dn WEE 47 9 3 1 Drying in sterilization containers enne nnne nnns nnns 47 9 3 2 RRE 48 9 3 3 tun Em 49 9 3 4 Loading the autoclave EE 49 9 3 5 Loading containers with soft sterilization packing material 49 9 3 6 Stacking sterilization containers sssssssssesssseseseeeeee enne nnne nnne nenas 50 9 3 7 Removing the sterilized EE 50 9 3 8 Improving the drying sui io eiie ttp e OM RERUM M REE 50 Page 3 MELAG 1 Description of the unit 1 1 Views of the unit i 1 KW Aer in d Sac Rear view Cat 2 Se o o S E AL TT Bs o Front view 10 a SE 249 Dis d Se 8 6 il i OS sa El R E ums 45 gt L 295 i e 425 1 6 1 7 230 260 e T Side view Fig 1 Views of the
66. t handled properly e g if they are treated with the wrong chemical cleaning or disinfecting agents Preparing items for sterilization The example of the formation of film rust shows how important it is to prepare items properly before sterilization Handpieces and contra angles must be cleaned before sterilization and maintained e g by oiling Other instruments must be disinfected and cleaned immediately after use in accordance with UVV VBG 103 or similarly strict national codes of practice in a disinfectant and or cleaning solution at the correct concentration for the correct length of time MELAG recommends the use of cleaning aids such as ultrasonic baths cleaning and maintenance equipment for handpieces for contra angles as well as thermo disinfecting devices It is essential that the instruments are well cleaned in order to avoid dirt and contamination being separated from the load in the autoclave and clogging filters valves and nozzles In particular locks joints and hinges must be cleaned thoroughly with a brush before sterilization No traces of cleaning and disinfecting agents should be allowed to enter into the sterilization chamber of the autoclave since this can give rise to corrosion The instruments should be swilled off with demineralized water and then dried off before being loaded in the autoclave Turbines and handpieces must be oiled in accordance with the manufacturer s instructions in order to ensure their long working l
67. team to flow in Do not stack textiles on top of each other as this hinders the penetration of steam into the packages of textiles Loading textiles properly When loading sterilization containers with textile items care should be taken to ensure that they retain their vertical orientation but that the items are not squashed together This would prevent the formation of flow channels for air and steam If the packages of textiles cannot be kept upright then it might be advisable to wrap them in sterilization paper The textiles must not touch the sides or the base of the sterilization container since they might become saturated with condensate For good drying results the textiles should also be as dry as possible when they are placed in the autoclave The heat stored in the chamber and sterilization container may not otherwise be sufficient to evaporate both the moisture and the condensation Page 48 Operating Manual for Euroklav 23V S 9 3 3 Instruments Where appropriate instruments should be disassembled before placing them in the autoclave as this will improve the drying results The use of lubricants such as instrument oil should be avoided unless absolutely necessary Prior confirmation should be obtained from the manufacturer of such agents that they are in fact suitable for steam sterilization Substances which are hydrophobic or impenetrable for steam can not only lead to poor drying results but may also mean that the
68. tems are hot on removal this will usually evaporate quickly The German industrial standard DIN 58953 Part 7 Section 7 contains the following comment about residual moisture on paper wrapping or transparent sterilization paper after sterilization small amounts of water on the wrapping are unproblematic provided they have evaporated within 30 minutes after removal from the steam sterilizer After cooling wrapped sterilized objects should be stored in a place where they are protected from dust e g instrument cupboard Given proper storage DIN 58953 Part 7 gives the following guidelines for the maximum storage periods for sterilized objects in basic wrapping e g transparent sterilization foil up to 6 weeks in double wrapping up to 6 months 4 11 Sterilization frequency pauses After completing or terminating the drying phase the autoclave can be reloaded and started immediately However continuous operation can lead to increased development of water vapour from the water storage tank This is not harmful for the Euroklav 23V S provided there is sufficient space around it for ventilation 10 20 cm and it is not fully enclosed e g in a cupboard In order to reduce formation of water vapour it is advisable to have a 20 min pause between loads The Euroklav 23V S should never be installed in an enclosed position and should always have sufficient space around it Page 17 MELAG 4 12 Manual termination of program 4 12 1
69. terilization No traces of cleaning and disinfecting agents should be allowed to enter into the sterilization chamber of the autoclave since this can give rise to corrosion The instruments should be swilled off with demineralized water and then dried off before being loaded in the autoclave Turbines and handpieces must be oiled in accordance with the manufacturer s instructions in order to ensure their long working life Brand new instruments The cleaning procedures described above must also be followed before sterilizing brand new instruments These often carry small amounts of grease oil and soiling from the manufacturing process Important Carefully follow all instructions provided by manufacturers of instruments for the preparation of their products for first time sterilization and for subsequent sterilizations Page 11 MELAG 4 3 Loading the autoclave It is of crucial importance for effective sterilization and good drying that the autoclave is loaded properly When loading the autoclave take account of the following points Tray rack For the Euroklav 23V S there are 2 types of tray rack Type B MELAG Art No 40224 for up to 4 trays or 4 standard tray cassettes Type C MELAG Art No 40242 for up to 6 trays or 3 standard tray cassettes Both types of tray rack are also suitable for the MELAG sterilization containers Type 15K M G Type 17K M G R Type 23R M G Type 28M G Normally the autoclave should be used in co
70. to each other This allows condensation to run off the packages while at the same time preventing them from expanded excessively and possibly bursting at the seams Packing soft sterilization packages in sterilization containers Page 49 Operating Manual for Euroklav 23V S 9 3 6 Stacking sterilization containers When arranging sterilization containers care should be taken that drops of condensate do not wet items being sterilized beneath but can flow away to the base of the chamber The best arrangement is a stack of sterilization containers of the same size so that condensate can flow down the sides Stacked sterilization containers 9 3 7 Removing the sterilized items Immediately after the sterilization process some condensate may remain on the sterilized items However heat transfer from the sterilized objects can evaporate this after the sterilization process has been completed The German standard DIN 58953 Part 7 Section 7 comments on residual moisture on paper bags or transparent sterilization paper after sterilization Small amounts of water on the surface of packages do not represent a cause for concern if they dry completely within thirty minutes after removal from a steam sterilizati
71. top OO Page 25 MELAG 6 3 5 Display printer memory status With a fully installed external printer the status of the printer memory can be displayed as follows Operation Display message 1 Hold down button and also press button Select Function menu submenu Print Program Start Stop Press Program button Select Print menu submenu File transmission Print File transmission Program Start Stop Press or button until the display shows the memory status e g Allocated 40 Open 0 Program Start Stop Press the Start Stop to return to the Function menu Program O Start Stop O and press Start Stop again to return to the starting display 14 27 12 0 02 bar 25 C Program Start Stop O Page 26 Operating Manual for Euroklav 23V S 6 3 6 Deleting cycle records In order to delete cycle records e g in the event of the warning message Printer memory full with the option Immed print out No selected see Section 7 3 then after switching on the appliance proceed as follows Operation Display message 1 Hold down button and also press Program Start Stop Select Function menu submenu Print 2 Press Program button Select Print menu Program Start Stop submenu Data transfer Print File transmission 3 Press
72. zation container The steam also heats the objects contained in the sterilization containers Condensation forms on the objects being sterilized and some of the condensation drops to the bottom of the sterilization container Formation of condensation on sterilized objects After sterilization during the drying phase all the condensation must evaporate from the sterilization container and from the sterilized items themselves This is achieved by the transfer to the condensate of heat stored in the walls of the sterilization container and in the sterilized items themselves It is preferable that the sterilization container be made of aluminium as this metal stores and conducts heat well ensuring faster drying than other materials Page 47 MELAG Condensate Heat Steam Drying For good drying it is essential that surplus heat be transferred to the objects which have been sterilized In addition the condensation must be led out of the sterilization containers The floor of the containers have channels and the lid has an arched filter area 9 3 2 Textiles When preparing textiles for treatment in the autoclave care must be taken that the folds in the textiles are arranged in parallel and that the items are packed side by side This vertical configuration ensures that channels can form between the textile folds for the air to flow out and s
73. zation should be strictly observed Page 12 4 4 Closing the door The door is closed by lightly applying pressure in the direction of the chamber flange and at the same time pressing down the sliding door catch The display shows the message Program Start Stop Door closed O O Operating Manual for Euroklav 23V S 4 5 Program selection A program should be selected which is appropriate for the physical properties of the items being sterilized and in particular their heat resistance and the type of packaging if any part of the load is wrapped then either the Universal Program or the Gentle Program must be used By pressing the Program selection button it is possible to review the display of the following programs for selection Parameter Application Universal program at 134 C 2 bar and a sterilization time of 3 5 min Sterilization of wrapped items in particular instruments no Hollow A or mixed loads unwrapped wrapped Quick Program at 134 C 2 bar and a sterilization time of 3 5 min Sterilization only of unwrapped instruments no Hollow A no textiles for rapid re use drying can be interrupted manually Gentle Program at 121 C 1 bar sterilization time 15 min Sterilization of all types of wrapped items except Hollow A in particular large amounts of textiles or thermolabile materials plastic rubber or mixed loads wrapped unwrapped Prion Program a special Universal Program

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