Table of Contents
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User Manual
for the
Vacuklav
31
Autoclave
Dear Doctor:
Thank you very much for the trust which you have shown by purchasing this autoclave.
For nearly 50 years now, MELAG — a medium-sized family-owned and -operated busi-
ness — has specialized in the production of sterilization equipment for medical practice.
During this period, MELAG has succeeded in becoming a leading manufacturer of sterili-
zation equipment. More than 300,000 MELAG units sold throughout the world testify to
the exceptional quality of our sterilizers.
As all other MELAG products, this autoclave was manufactured and tested according to
strict quality criteria. Before placing this unit into operation, please carefully read this User
Manual. The long-term functional effectiveness and the preservation of the value of your
autoclave will primarily depend on careful preparation of instruments before sterilization,
and on proper care of the unit.
The staff and management of MELAG
We reserve the right to make technical modifications without prior notice.
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Related Manuals for MELAG Vacuklav 31
Summary of Contents for MELAG Vacuklav 31
- Page 1 Thank you very much for the trust which you have shown by purchasing this autoclave. For nearly 50 years now, MELAG — a medium-sized family-owned and -operated busi- ness — has specialized in the production of sterilization equipment for medical practice.
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Page 2: Table Of Contents
The functional effectiveness and the preserva- tion of value of this unit depend on: 1. Proper preparation of the instruments to be sterilized 2. Proper care of the autoclave 3. The use of sufficiently pure distilled / demineralized water 1 Description of the unit............................4 1.1 Views of the unit............................4 1.1.1 Front view ............................4 1.1.2 Elements on the front panel (front film scale)..................5... - Page 3 ® User Manual for the Vacuklav 4.5 Closing the autoclave door ........................21 4.6 Selecting the program..........................22 4.7 Starting..............................22 4.8 Air removal by subatmospheric pulsing ....................22 4.9 Heat-up ..............................22 4.10 Sterilization sequence...........................22 4.11 Pressure release...........................23 4.12 Drying and removing the sterilized items....................23 4.13 Supplementary drying ...........................23 4.14 Ventilation .............................23 4.15 Opening the door ..........................23...
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Page 4: Description Of The Unit
1 Description of the unit 1.1 Views of the unit ________________________________________________________ 1.1.1 Front view __________________________________________________________________________ Vacuklav Programmwahl Instrumente verpackt Instrumente unverpackt Textilien Desinfektion Bowie & Dick Test Vakuum Test Start/Stop Vorwärmung Zusatztrocknen Entleerung Drucken Wasser Tür offen Störung löschen Netzschalter Adjustable foot of the unit Door cover Tap for draining the water storage tank... -
Page 5: Elements On The Front Panel (Front Film Scale)
Dr uc k er an sc h l ME L p r i n t Ma g ne t v en Na c hs pe i s u 220V /0, MELAG Vacukl av Sterile filter Data interface for printer Connection for water feed (1/4") -
Page 6: Technical Data
1.2 Technical data __________________________________________________________ Dimensions of sterilization compartment (diameter depth) 23 cm 33 cm Power ratings 2500 W / 230V AC / 10.9A / 50 ... 60Hz Sterilization pressures and temperatures 2 bar / 134°C 1 bar / 120°C Disinfection pressure and temperature 0.25 bar / 105°C Maximum sterilization load... -
Page 7: Introductory Information
The MELAG company recommends the use of cleaning aids such as ultrasonic devices, cleaning and maintenance equipment for handpieces and contra angles, as well as thermo disinfecting systems. -
Page 8: Maintenance Of The Vacuklav 31
Do not use metal (mechanical) cooking-pot cleaners or steel brushes for this work. To clean off stubborn spots, the MELAG company recommends the use of cleaning agents especially made for stainless steel (for example, the German product Sidol™ or an equivalent). Cau- tion: When using such agents, make sure that they do not enter the pipes which lead off from the autoclave chamber. - Page 9 ® User Manual for the Vacuklav Stipulations for water quality according to CEN standard DIN EN 285: Table B.1: Contaminants in condensate and feed water Condensate Feed water 1.0 mg/kg 10 mg/l Evaporation residue 0.1 mg/kg 1 mg/l Silicium oxide, SiO ...
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Page 10: Functional Testing Of The Autoclave
Contaminated tweezers may also not touch the spore samples. Oth- erwise, the spore substance will be recontaminated. The MELAG company therefore recommends that the tweezers be sterilized together with the spore sample. The positive sample which is not sterilized must be kept separate from the sterilized sample. -
Page 11: Installation And Initial Startup
® User Manual for the Vacuklav 3 Installation and initial startup 3.1 Setting up the autoclave__________________________________________________ 3.1.1 Transport ribbons____________________________________________________________________ The autoclave must be lifted out of the transport carton by using the transport ribbons. When the unit has been taken out of the carton, remove the ribbons from the enclosure by unscrewing the two screws for each ribbon, removing the ribbons, and screwing the screws back into the enclosure. -
Page 12: Connection Of The Condensate Container
3.3 Connection of the condensate container ____________________________________ The one-way drain system [43] on the rear of the autoclave must be connected to the condensate container [80]. i ncor r ect 43 One-way drain system 73 Connection for drain to con- densate container 80 Condensate container 81 Connection for drain from... -
Page 13: Connection From The Autoclave To The Condensate Container
® User Manual for the Vacuklav 3.3.1 Connection from the autoclave to the condensate container ________________________ ® Connect the pressure-resistant tube [82] delivered with the Vacuklav 31 to the autoclave at the threaded fitting for the one-way drain system. Insert the other end as far as it will go (i.e., up to the stop) into the con- nector of the condensate container. -
Page 14: Filling Of The Water Storage Tank
Now press the "+" button three (3) times [17]. Display line 1: Date / Time of day Display line 2: Day: 21 Now press the program-selection button [18] once. Display line 1: Date / Time of day Display line 2: Day: 21 (flashes) Press the "+"... -
Page 15: Connection Of The Meladem
45 reverse-osmosis system and for the overflow system; MELAG recommends as first choice a washup sink trap with a branch pipe lead- ing off the main drain, with 1" outside threads; as alternative, MELAG recommends a wall drain with 1"... - Page 16 Connection to supply of untreated water (normal city water) ® Install the MELAdem 45 reverse-osmosis system in accordance with the installation instructions provided ® with the MELAdem 45 system. 45 reverse-osmosis system to a supply of untreated water (with a 6 1 hose) to a ®...
- Page 17 ® User Manual for the Vacuklav Tests for proper functioning Test for water feed / test for leaks in installation work ® Prepare the MELAdem 45 reverse-osmosis system for operation and fill the accumulator (pressure tank). Switch on the autoclave. The signal lamp for water [33] will light up, to indicate that there is insufficient water supply.
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Page 18: Reverse-Osmosis System To The Vacuklav ® 31
Power ratings: 230 V, 3 VA T-piece in 01045 For more detailed information on the connection of water-treatment systems by other-equipment manufac- turers, please consult your specialist MELAG dealer and mention the key words "External refilling of the ® Vacuklav 31."... -
Page 19: Vacuum Test
If the test is unsuccessful, check the door gasket and the sealing surface on the chamber, and clean them if required. Then repeat the vacuum test. If the vacuum test is once again unsuccessful, please contact your MELAG dealer, since it is possible that sterilization cycles can no longer be satisfactorily carried out. -
Page 20: Interfacing A Printer
This is signaled by a "0" in the display. The autoclave chamber can release small amounts of residual steam when the door is opened. Only persons authorized by the MELAG company, who use original spare parts in their service work, may service this device. -
Page 21: Instructions For All Sterilization Procedures
® User Manual for the Vacuklav 4 Instructions for all sterilization procedures 4.1 Power supply___________________________________________________________ Switch on the power switch [15]. The display [3] shows the time of day, the pressure, and the temperature. 4.2 Selecting the preheating function __________________________________________ The operator can choose to initiate the preheating function by pressing the preheating button [20]. -
Page 22: Selecting The Program
4.6 Selecting the program ___________________________________________________ You can press the program selection button [18] to select the following four standard programs and test pro- grams, indicated by illuminated LEDs: Sterilization for wrapped instruments [24] Sterilization for unwrapped instruments [25] ... -
Page 23: Pressure Release
® User Manual for the Vacuklav 4.11 Pressure release _______________________________________________________ ® After completion of the sterilization time, the Vacuklav 31 will automatically open the pressure-release valve to reduce pressure. The system will then cause the residual water from the steam generator and the cham- ber to flow into the condensate container. -
Page 24: Printout Of Sterilization Records
31 system by later installing a printer, see above (Section 3.8). Or get in touch with your MELAG dealer, in order that he can enable the data interface for your printer. The following are various print and data-saving possibilities which can be initiated by pressing the button for printing [22] and the "+"... -
Page 25: Sterilization Frequency / Waiting Period
® If you press the button for printing [22], the Vacuklav 31 will print out the address of the company MELAG as a trial. The purpose of this trial printout is to test the printer in case of malfunction. 4.17 Sterilization frequency / waiting period ____________________________________ After the end of the drying period, or after you have interrupted the drying period prematurely, you can load the autoclave with new items and start it immediately. -
Page 26: Disinfection
Danger: When you open the autoclave door, steam may be expelled from the autoclave. 4.20 Disinfection ___________________________________________________________ The information provided above for sterilization also applies (with corresponding differences) to steam- pressure disinfection. 5 Taking the autoclave out of operation/ transport / placing the autoclave back into operation The following steps are necessary for taking the autoclave out of operation, and for transport of the unit: ... -
Page 27: Malfunctions
Operate the door contact by hand to check whether the lamp for door open [34] goes out. If the contact is defective, or if it is improperly adjusted, so that the lamp does not go out, get in touch with your MELAG dealer. -
Page 28: Malfunctions With Error Display
The following error displays are reported on the display and/or as LED notification. If a printer is interfaced, it will print out the malfunction log. Before contacting the MELAG dealer, press the button for malfunction acknowledgment [23], and then repeat the program which you wish to execute. If the autoclave once again shows the error display, then note down the following information and provide it to the MELAG dealer: ... - Page 29 Press the button for acknowledging Pressure release" up: [35] error reports [23]. Then start the program again. If the system outputs a malfunction report, get in touch with your MELAG dealer. "MALFUNCTION The malfunction The sterile filter may be clogged. Press the button for acknowl- signal lamp lights edging error reports [23].
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Page 30: Appendix
7 Appendix 7.1 Additional technical data _________________________________________________ 7.1.1 Dimensions and mass ________________________________________________________________ Dimensions / mass Width: Height: Depth: Overall external dimensions 45 cm 44 cm 60 cm External dimensions up to the door front 45 cm 44 cm 57 cm (without door handle) Mass 42 kg... -
Page 31: Loading Limits
Amounts of loaded items: Max. of 1.5 kg of textiles Tray racks with a max. of five (5) MELAG trays Possibilities of loading: Tray racks with a maximum of three (3) standard tray cassettes, or three (3) MELAG trays MELAG sterilization containers (28G, 2 ... -
Page 32: Instructions On Drying
At the end of the sterilization process, during the drying process, the entire condensate must evaporate from the sterilization container and from the objects being sterilized. This evaporation takes place by transfer of stored heat in the walls of the sterilization container and in the sterilized objects. MELAG recommends the Page 32... -
Page 33: Textiles
® User Manual for the Vacuklav use of aluminum sterilization containers, since this material effectively stores and conducts heat, and there- fore ensures faster drying than do other materials. C ondensat e + heat = st eam H eat H eat H eat H eat H eat... -
Page 34: Instruments
For proper drying, it is also essential that the textiles be placed dry in the autoclave. If the textiles are origi- nally moist, the heat stored in the chamber and in the sterilization containers will not be sufficient to evapo- rate the condensate produced by the sterilization, plus the moisture originally carried into the autoclave in wet fabrics. -
Page 35: Loading Of Sterilization Containers
® User Manual for the Vacuklav Loading arrangement for "soft" sterilization packages in sterilization containers 8.6 Loading of sterilization containers _________________________________________ When stacking the sterilization containers in the chamber, make sure that the dripping condensate cannot saturate sterile items located under the containers. The condensate must be able to run off freely to the bottom of the chamber. -
Page 36: Removing The Sterilized Items
The use of transparent sterilization packages, and paper packages, with vertical arrangement (as in a card catalog), as described above Setting the program to provide longer drying times (please get in touch with your your MELAG dealer) ...
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