MELAG Vacuklav 24-B/L User Manual
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MELAG Vacuklav 24-B/L User Manual

MELAG Vacuklav 24-B/L User Manual

Autoclave
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User Manual
for the
Autoclave
Vacuklav
24-B/L
Dear Doctor:
Thank you very much for the trust which you have shown by purchasing this autoclave.
For more than 55 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 400,000 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 User 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

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Summary of Contents for MELAG Vacuklav 24-B/L

  • Page 1 Thank you very much for the trust which you have shown by purchasing this autoclave. For more than 55 years now, MELAG — a medium-sized family-owned and -operated company — has specialized in the production of sterilization equipment for medical practice.

  • Page 2: Table Of Contents

    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 demineralised water Views of the unit........................... 4 Control panel ............................
  • Page 3 ® User Manual Vacuklav 24-B/L Records / Load documentation ......................19 6.3.1 Record print-out ..........................19 6.3.1.1 External printer ............................19 ® 6.3.1.1.1 Connecting the external Melaprint 42 printer ..............19 6.3.1.1.2 Initialising the printer ......................20 6.3.1.2 Connection to an external PC ......................21 6.3.1.2.1 Installation ..........................

  • Page 4: Views Of The Unit

    Description of the unit Views of the unit ______________________________________________________ Rear view Front view Side view ® Fig. 1 Views of the Vacuklav 24-B/L Safety valve Fuses - 2 x 16 A / FF Sterile filter 10 Power switch Cooling water inlet (3/4" external thread) 11 Motor circuit breaker (vacuum pump) Cooling water outlet (3/4"...

  • Page 5: Control Panel

    ® User Manual Vacuklav 24-B/L Control panel _______________________________________________________ 2 x 20-alphanumeric LED-display, showing program status, and parameters for basic and special functions Program Start - Stop Buttons selecting, adjusting Program selection Start - stop buttons to start displaying special functions: for sterilization programs/ test programs interrupt programs,...

  • Page 6: Electronic Parameter Control (Eps)

    The autoclave must also be supplied with purified water for steam generation. The distilled or demineralised water can come either from a storage container (MELAG Art.-No. 244) or directly from the container in which purchased water is supplied. This should also be situated close to the autoclave (length of feed pipe supplied 1.5m, maximum height difference 1.5 m).

  • Page 7: Levelling The Autoclave

    Cooling water inlet pipe (pressure pipe) Cooling water outlet pipe DN16 Power connection Water stop cock with safety combination in accordance with DIN 1988 (MELAG Art.-No.: 37310) Leak detector with stop valve and sensor (MELAG Art.-No.: 1056) Wall- mounted trap (MELAG- Art.- No.: 37410) Wall outlet (NW 40) Storage container for distilled or demineralised water (MELAG Art.-No.: 244)

  • Page 8: Power Supply

    If you use the MELAG storage container (MELAG Art.-No.: 244) you will find the necessary instructions on the label. This container has a volume of 11.5 litres, enough for an average of 25 sterilization cycles.

  • Page 9: Vacuum Test

    ® User Manual Vacuklav 24-B/L 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.

  • Page 10: Test Run

    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.

  • Page 11: Instructions For All Sterilization Procedures

    If you use transparent sterilization packaging, such as MELAfol , 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.

  • Page 12: Closing The Door

    Maximum loads Loads should not exceed 7kg of instruments or 2.5kg 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.

  • Page 13: Program Start

    ® User Manual Vacuklav 24-B/L Program name/Display message Parameter/Application MELAsteam Cleaning at 136°C, 2.3 bar, and a maxi- Program M E L A s t e a m - c l e a n i n g mum cleaning time of 60 min., for the steam cleaning of instruments that have already been disinfected.
  • Page 14 Program status Display message Sterilization phase Start-Stop Program When required pressure S t e r i l i z a t i o n temperature have been reached the sterilization proper then begins. 2 . 1 8 b a r 1 3 5 °...

  • Page 15: Print-Out Record

    ® User Manual Vacuklav 24-B/L Print-out record _____________________________________________________ The print-out record contains the following information: ------------------------------------------ Program MELAG Vacuklav 24-B ------------------------------------------ Date Program : Universal-program 134°C wrapped Time of start Datum : 06.04.2000 Uhrzeit : 12:16:28 (Start) Charge Nr.: 5...

  • Page 16: Sterilization Frequency / Pauses

    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.

  • Page 17: Terminate Drying

    ® User Manual Vacuklav 24-B/L 4.11.2 Terminate drying _________________________________________________________________ A program can also be terminated during the drying phase, Since in this case the sterilization (or disinfection) has been completed, the items in this case can be treated as sterilized or disinfected respectively. However, depending on the stage at which the drying program is interrupted, the load may not have dried sufficiently, and wrapped items in particular may not be dry enough for sterile storage.

  • Page 18: Reaction To Warnings / Error Messages

    4.12 Reaction to warnings / error messages__________________________________ ® The Vacuklav 24-B/L 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.

  • Page 19: Special Functions

    ® User Manual Vacuklav 24-B/L Special functions Water quality (conductivity)/ Chamber temperature _______________________ By repeatedly pressing the "-" button then the preheating temperature of the chamber and the conductivity of the purified feed water used for steam generation can be displayed alternately. Operation Display message 1.

  • Page 20: Initialising The Printer

    6.3.1.1.2 Initialising the printer After connecting the printer to the autoclave it must be registered with the autoclave processing unit (initialised). Proceed as follows: Operation Display message 1. Switch on autoclave Program Start-Stop Display shows time, 1 4 : 2 7 : 1 2 pressure and temperature 0 .

  • Page 21: Connection To An External Pc

    ® User Manual Vacuklav 24-B/L 6.3.1.2 Connection to an external PC 6.3.1.2.1 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. ®...

  • Page 22: Printing Out Stored Records

    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 Program Start-Stop and also press "-"...

  • Page 23: Print All Stored Cycle Records

    ® User Manual Vacuklav 24-B/L 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 1. Hold down "+" button Start-Stop Program and also press "-"...

  • Page 24: Display Printer Memory

    6.3.5 Display printer memory ___________________________________________________________ With a fully installed external printer, the status of the printer memory can be displayed as follows: Operation Display message 1. Hold down "+" button Program Start-Stop and also press "-" F u n c t i o n : button.

  • Page 25: Deleting Cycle Records

    ® User Manual Vacuklav 24-B/L 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.

  • Page 26: Test Print-Out

    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 1. Hold down "+" button Program Start-Stop and also press "-" , F u n c t i o n : Select "Function"...

  • Page 27: Resetting Date And Time

    ® User Manual Vacuklav 24-B/L Resetting date and time _____________________________________________ The date and time can be reset if necessary (e.g. winter time/summer time) as follows: Operation Display message 1. Hold down "+" button Start-Stop Program and also press "-" F u n c t i o n : button.
  • Page 28 Operation Display message 7. Press "Program" Program Start-Stop confirm the new value, D a t e / T i m e which then stops flashing M i n u t e : 2 8 If more adjustment are necessary, return Point begin again,...

  • Page 29: Automatic Preheating

    ® User Manual Vacuklav 24-B/L Automatic preheating ________________________________________________  The Vacuklav 24-B/L 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 reduces 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.

  • Page 30: Total Load Count

    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. Page 30...

  • Page 31: Operational Errors / Malfunctions

    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.

  • Page 32: Warning Messages

    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. Warning message Cause / Remedy Door not closed properly: W A R N I N G ! ...
  • Page 33  The sterile filter may be clogged or torn. Exchange the sterile filter (MELAG Art. No.: 20160). R e p l a c e s t e r i l e f i l t e r A c k n o w l e d g e w i t h b u t t o n „...
  • Page 34  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 during the service.

  • Page 35: Error Reports

    ® User Manual Vacuklav 24-B/L Error reports__________________________________________________________ Errors are generally reported by a "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.
  • Page 36 Warning message Cause / Remedy The capillary tube level regulator is open at the start of the E r r o r 1 0 : program (error report immediately after start), or the O v e r h s t e a m g e n e r . monitoring time until refilling with demineralised or distilled water during the program (until the end of sterilization) is exceeded:...

  • Page 37: Taking Care Of Your Autoclave

    S t e r i l i z a t i o n T D Taking care of your autoclave Preparation of instruments______________________________________________ MELAG - non-rusting materials ® All parts of the Vacuklav 24-B/L which come into contact with steam are made of non-rusting material. The autoclave chamber and its door are made of stainless steel, pipes carrying steam are made of Teflon, and threaded fittings and magnet valves are made of brass.

  • Page 38: Rust Formation = Drag-In Rust

    If the feed water is not provided directly but is stored in a container then this should be inspected every time it is refilled to make sure it is clean. If necessary it should be cleaned before refilling. If you have a MELAG storage container then please note the instruction on the label. 8.3.2...

  • Page 39: Checking The Operation Of The Autoclave

    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 ddisplay every two years or after 1000 sterilizations. Consult your dealer of the MELAG Customer Service if you have any questions relating to servicing and maintenance. Page 39...

  • Page 40: Annex

    Annex Installation options __________________________________________________ Example 1 Example 2 Example 4 Example 3  Fig. 4 Installation options for the Vacuklav 24-B/L (A) with double-chamber trap (B) *1) Alternatively, two separate outflow traps can be installed Example 1 Example 2  ...

  • Page 41: Additional Technical Data

    Loading options: Mount "B" with max. 4 standard tray-cassettes or 4 MELAG-trays Mount "C" with max. 3 standard tray-cassettes or 6 MELAG-trays MELAG- Sterilization containers: 28M,G, 23R,M,G 15K,M,G, 17 K,M,G,R Foil holder 9.2.2 External supplies _________________________________________________________________ Elektric power supply Mains supply 230 V AC, 10.9 A, 50...60 Hz...

  • Page 42: Instructions On Drying

    Instructions on drying_______________________________________________ ® The Vacuklav 24-B/L 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. Please read the following sections, which may help you to optimise your drying results.

  • Page 43: Textiles

    ® User Manual Vacuklav 24-B/L Condensate+Heat=Steam Heat Heat Heat Heat Heat Drying For good drying it is essential that surplus heat be transferred to the objects which have been sterilized. In addition, the condensate must be led out of the sterilization containers. The floors of the containers have channels and the lid has an arched filter area.

  • Page 44: Instruments

    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.

  • Page 45: Stacking Sterilization Containers

    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_24BL_v0.doc Rev.: 0 – 05/223 Page 45...

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