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1. 297700 Ultrasonic Cleaning Units 297700 OPTOSONIC silence QUALITY MADE english Elma GmbH amp Co KG Gottlieb Daimler Str 17 D 78224 Singen Fon 49 0 7731 882 0 Fax 49 0 7731 882 266 info elma ultrasonic com www elma ultrasonic com document ref 104 8498 Contents Contents 1 GEeREral lui 3 2 Important safety warnings 3 2 1 Instructions for the use of the present manual 3 2 2 Instructions for the use of the unit 4 9 EUDOHOPBIO arianna i 5 3 1 Ultrasonic cleaning factors a 5 A Product descripliOrtss sued creed urea edet ten 6 4 1 OPTOSONIC silence product features 6 4 2 CEGONSIMV eoe Leo or Eee 6 4 3 Delivered equipment 6 4 4 Description of operating elements 7 4 5 Operating and display functions 8 5 Initial operations TEE 9 5 1 Connecting the unit to the MainSs 9 6 Putting unit into operation 10 6 1 Filling of the BOLD aera rerom ta en nta oe e Coco iet te 10 6 2 Placement of cleaning items 11 6 3 De dgassIripor Tiguld sce opi ret tette 11 7 Ultrasonic cleaning process 12 7 1 Starting the cleaning process manually 12 7 2 Sweep function Kaas 13 7 3 Atterthe cicaniig onice 13 8 Gleaning imed
2. Do not use aqueous cleaning media with pH values in the acid range pH lt 7 directly in the ultrasonic tank if fluoride F chloride CI or bromide Br ions can be taken in by the removed dirt or through the cleaning chemical These can destroy the stainless steel tank by crevice corrosion within a very short period of ultrasonic operation Other media which can destroy the stainless steel tanks when used in high concentrations or with high temperatures during ultrasonic operation are nitric acid sulphuric acid formic acid hydrofluoric acid even diluted Completeness of list not guaranteed Risk of damage to the unit do not use cleaning solutions containing more than 0 5 mass alkali KOH and or NaOH in an ultrasonic cleaning tank The above limitations for the use of chemicals in an ultrasonic bath also apply for the aforementioned chemicals when these are brought into an aqueous particularly distilled water bath through entrainment or from the removed dirt For the ultrasonic treatment with the above mentioned media use an acid resistant tank available as accessory equipment The limitations of use also apply to the standard cleaners and disinfectants if these contain the above mentioned compounds Observe the safety warnings indicated by the manufacturer of the chemicals e g goggles gloves R and S phrases For queries please contact the manufacturer or your supplier List of recommended cleaning media
3. keep degas key pressed gt 2 sec Result unit is ready for operation unit is switched off ultrasound is operating ultrasound switched off ultrasound operates in sweep mode sweep function is switched off ultrasound continues in standard operating mode ultrasound operates in degas mode degas function is switched off ultrasound continues in standard operating mode ultrasound operates in auto degas mode for 10 minutes and then switches off Display on off LED is on all displays are off ultrasound LED is on ultrasound LED is off sweep LED is on ultrasound LED is on sweep LED is off ultrasound LED is on degas LED is on ultrasound LED is on degas LED is off ultrasound LED is on degas LED blinks ultrasound LED blinks BA_Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Initial operation Packing Check for transport damages Placement A DANGER Ambient conditions 5 1 Required mains conditions Connect mains cable Initial operation Please keep the original packing or dispose of it according to the relevant waste disposal regulations You can also return the packing to the manufacturer free destination to your account Check the OPTOSONIC silence for possible transport damages before initial operation In case of visible damage do not connect the unit to the mains Contact your supplier and forwarding agent For operation
4. place the unit on a dry and solid surface Ensure that the workplace is sufficiently ventilated Do not use a soft surface e g a carpet as this may impede the ventilation of the unit Risk of electrocution due to humidity inside the unit Protect the unit from entering humidity The unit inside is splash water proof Keep workplace and casing dry in order to prevent electrical accidents and damages on the unit e Allowed ambient temperature during operation 5 40 C e Allowed relative humidity of air during operation max 80 e In door operation only Connecting the unit to the mains Earth grounded socket 1 phase 220 240 V 1 N 1 PE protective earth The power supply must be protected by an earth leakage circuit breaker Use the plug in mains cable delivered with the unit Connect the unit to a grounded shockproof socket only Ensure that the values indicated on the nameplate of the unit correspond with the available connecting conditions The mains plug must be connected to an easily accessible socket only as it serves as interrupted device Elma GmbH amp Co KG BA_Optosonic silence B amp S EN Vers 01 2014 9 Putting unit into operation 6 6 1 Observe filling level Suitable cleaning agents Prohibited cleaning agents A DANGER AN CAUTION A Putting unit into operation Filling of the unit Fill the cleaning tank with a sufficient quantity of a suitable clean
5. present unit must be connected to a correctly grounded socket only The technical details indicated on the nameplate must correspond with the available mains connection details in particular those of the mains voltage and current connected value For purposes of maintenance and care of the unit in case of suspected humidity inside the unit or in case of malfunctions and after operation pull the mains plug The unit must be opened by authorised specialised personnel only Fill the unit with a sufficient quantity of cleaning liquid before switch on Flammable liquids must not be treated by ultrasound directly in the cleaning tank risk of fire and explosion Ultrasonic units can produce annoying sounds Wear personal ear protection devices when working close to an ultrasonic unit which is operated without cover Do not reach inside the cleaning liquid or touch sound carrying parts tank basket cleaning items etc during operation The manufacturer cannot be held liable for damages on persons equipment or cleaning items caused by improper use The operator is responsible for the instruction of the operating staff BA_Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Functioning 3 1 Mechanical energy Cleaning media Cleaning period Functioning Today cleaning by ultrasound is the most modern fine cleaning method The electric high frequency energy created by an ultrasonic generator is transf
6. supplier 10 BA_Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Putting unit into operation 6 2 AN CAUTION No cleaning items on the bottom of the tank Use cleaning basket Acid tank 6 3 Degas key Auto degas How to proceed Placement of cleaning items Caution The ultrasonic bath has been designed for the ultrasonic treatment of items and liquids only Do not clean living beings or plants Do not reach inside the tank during ultrasonic operation Cell walls can be damaged by prolonged exposure to ultrasonic activity For placing and taking out the cleaning items always switch off the unit Do not place the cleaning items directly onto the bottom of the cleaning tank as this might lead to damages to the unit Place the cleaning items into the stainless steel cleaning basket accessory equipment For the use of cleaning chemicals which might destroy or damage the stainless steel tank use a separate container For the special plastic cleaner tank for acid chemicals please contact your supplier Degassing of liquid Freshly mixed cleaning liquids are saturated with air which lessens the cleaning effect of the ultrasonic activity By sonification of the liquid over a period of several minutes before the cleaning process the tiny air bubbles in the liquid are eliminated Degas the fesh cleaning liquid for approx 5 10 minutes For switch on and switch off press the
7. Elma has a large range of suitable cleaning products on offer developed by chemical engineers in the Elma laboratory Please contact your supplier to find the most suitable cleaning chemical for your application The organic detergents contained in the elma clean cleaning concentrates are biodegradable Product informations and safety data sheets are available from the manufacturer Cleaning concentrate for glasses frames optical lenses and components Also suitable for plastics Elma GmbH amp Co KG BA Optosonic silence B amp S EN Vers 01 2014 15 Maintenance 9 1 A ATTENTION Electrical security Care of transducer 9 2 tank Care of casing Disinfection Maintenance Maintenance Care Pull the mains plug before carrying out any maintenance works The present OPTOSONIC silence unit is maintenance free Check the casing and the mains cable for damage regularly in order to prevent electrical accidents Lime deposits on the stainless steel tank can be cleaned gently e g with elma clean 40 or elma clean 115C operate the unit with concentrate water Residues of cleaning media can be wiped away with a household cleaner or decalcifier depending on the kind of contamination Do not put the unit in or under water If the unit is used for medical and sanitary purposes it is necessary to disinfect the transducer tank and the surfaces regularly standard surface disinfectants Service life of the tra
8. by unauthorised maintenance or repair works on the unit In case of a break down of the unit please contact the manufacturer or your supplier 10 Technical details Tank max Tank effective Tank Unit Basket internal Weight volume volume internal external dimensions approx kg approx litre approx litre dimensions dimensions WxDxH WxDxH WxDxH approx mm approx mm approx mm 0 8 0 7 190x85 x60 206x116x178 177x73x30 2 0 Mains voltage unit Ultrasound Power Ultrasonic power Ultrasonic variants frequency kHz consumption total RMS maximum peak Vac W W power W 220 240 80 30 30 240 The signal form of the wave results in a factor 4 or 8 for the ultrasonic peak max depending on the modulation of the wave O Elma GmbH amp Co KG BA Optosonic silence B amp S EN Vers 01 2014 17 Trouble shooting 11 Fault Casing damaged Mains cable damaged No operating functions all LEDs dark No ultrasonic function LED ultrasound dark No ultrasonic operation LEDs of LED cleaning period blink alternately running light fault indication ultrasound Unsatisfactory cleaning results Trouble shooting Possible cause damage by third party transport damage damage by third party transport damage mains cable not plugged in socket dead mains cable damaged interrupted fault of electronics turning knob for ultrasonic operation in 0 position unit is switched off key gt E ult
9. ce product features e cleaning tank made of cavitation resistant stainless steel e casing made of stainless steel hygienic and easy to clean e high performance sandwich transducer systems e sweep function for an optimised sound field distribution in the cleaning liquid e degas function for the efficient degassing of the cleaning liquid and for laboratory purposes e auto degas function for automatic degassing cycles i e with fresh cleaning liquids e plug in mains supply electronical turning knobs e splash water proof operating panel e automatic switch off after 12 h operation to prevent unintended permanent operation 4 2 CE conformity The present Elma ultrasonic unit is in compliance with the CE marking criteria The declaration of conformity is available from the manufacturer 4 3 Delivered equipment e Ultrasonic cleaning unit e Mains cable e Operating Instructions 6 BA_Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Product description 4 4 Description of operating elements 2 Do 6D o Illustration 4 4 View operating elements Turning knob cleaning period Setting options for short period operation 1 2 3 4 5 10 15 20 25 30 min with automatic switch off Permanent position for continued operation Here the unit must be switched off by hand For safety reasons the unit is automatically switched off after 12h permanent operation Temperature LED applies only for units with
10. degas key The OPTOSONIC silence units are equipped with an auto degas option When the programmed period has finished the degas function is automatically switched off 10 min See chart 4 5 Degas and sweep functions cannot be operated at the same time Elma GmbH amp Co KG BA Optosonic silence B amp S EN Vers 01 2014 11 Ultrasonic cleaning process 7 1 A CAUTION A ATTENTION A ATTENTION Set cleaning time Short period operation Ultrasonic cleaning process Please observe the following instructions before starting the ultrasonic cleaning process It is the user s responsibility to check the cleaning results Ultrasonic units can produce annoying sounds Wear personal ear protection devices when working close to an ultrasonic unit which is operated without cover Sensitive surfaces can be damaged when exposed to ultrasound over prolonged periods particularly at low cleaning frequencies Ensure that sensitive surfaces are exposed to ultrasonic acitivity for a suitable period only If in doubt check the cleaning progress regularly and observe the state of the surface material Ultrasonic energy is physically transformed into heat The unit and the cleaning liquid in the tank heat up during ultrasonic operation even with the heating switched off During permanent operation with cover temperatures exceeding 60 C can be reached For the cleaning of temperature sen
11. en in sections 8 1 and 8 2 will not be covered by the manufacturer s warranty Limitations of use of cleaners containing solvents Never use flammable liquids or solvents directly in an ultrasonic cleaning tank Risk of fire and explosion Ultrasound increases the volume of vaporisation of liquids and creates a very fine mist that can catch fire on any ignition source at any time Do not fill potentially explosive substances and flammable solvents e marked in compliance with the EEC directives by symbols and safety warnings R 1 to R9 e OrE F4 F OorR 10 R 11 or R 12 for flammable substances into the stainless steel tank for ultrasonic treatment In compliance with the general regulations on the protection of labour certain limited volumes of flammable liquids max 1 litre can be used in an ultrasonic cleaning unit under the following conditions these liquids must be filled into a suitable separate vessel e g beaker with sufficient ventilation this vessel beaker can then be put into the stainless steel tank which is filled with non flammable liquid water with a few drops of surfactant 14 BA Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Cleaning media 8 2 Acids and alkaline solutions Entrainment of chemical substances Acid resistant tank Disinfectants Safety regulations 8 3 Environment friendly products elma opto clean Limitations on aqueous cleaners
12. heating indicates heating operation Key sweep function for an optimised sound field distribution in the cleaning liquid Sweep LED Key degas function for the efficient degassing of fresh cleaning liquid and for special applications in the laboratory Degas LED Key start stop for ultrasonic operation and temperature controlled operation Ultrasonic LED Key on off for switching the unit on and off on off LED for setting the value turn knob clockwise for resetting the value turn knob anti clockwise Elma GmbH amp Co KG BA_Optosonic silence_B amp S_EN_Vers 01 2014 7 Product description 4 5 Action switch on unit switch off the unit start ultrasound NOW stop ultrasound before end of set period switch on sweep function sweep and degas cannot be operated at the same time switch off sweep function switch on degas function sweep and degas cannot be operated at the same time switch off degas function switch on auto degas function sweep and degas cannot be operated at the same time Operating and display functions Setting press on off key press on off key select period by turning knob for cleaning period press key gt B ultra sound turn set period to 0 or press key M select set period press key M press key sweep press key sweep select set period press key B press key degas Press key degas press key M
13. ia srl lialiilazgiagiio 14 8 1 Limitations of use of cleaners containing solvents 14 8 2 Limitations on aqueous cleaners 15 8 3 List of recommended cleaning media 15 9 Maintenance 16 9 1 Maintenance Care 16 9 2 Service life of the transducer tank 16 9 3 aeri Ren 17 10 Technical defalisa susa ote oo oio Evoe E eeaeee 17 Wie SDEOUDIS SHOODUIIO ET 18 12 Putting out of action and waste disposal 19 13 Manufacturer s contact address 19 BA Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG General 2 1 pbb Danger Warning Caution Attention General The present Operating Instructions are part of the delivered equipment They must be ready for use at any time and remain with the unit in case of resale We reserve the right to carry out technical modifications on the unit due to advanced development An operating manual cannot take account of every conceivable use An operating manual cannot take account of every possible use Contact your dealer or the manufacturer for further information or in the event of problems which are not covered or not sufficiently covered in this operating manual Important safety warnings Please observe any additional national safety regulations that may apply Instructions for the use of the present manual Carefully read the Operating Instr
14. ing liquid before switch on The optimum filling level is approx 2 3 of the tank volume Ensure that the chosen cleaning agent is suitable for treatment in an ultrasonic bath and observe the instructions on dosage and the compatibility of the material We recommend the use of the cleaning agents listed in section 8 3 Flammable products are generally not allowed for use in an ultrasonic bath Observe the safety warnings given in section 8 1 Risk of fire and explosion Never use flammable liquids or solvents directly in an ultrasonic cleaning bath Use the cleaning chemicals listed in section 8 3 Ultrasonic activity increases the vaporisation of liquids and creates a very fine mist which can catch fire on any ignition source Observe the instructions on limitations of use given in section 8 1 Risk of damage to the transducer tank Do not use any acid cleaning agents pH value lt 7 directly in the stainless steel tank if the cleaning items or the contamination of the cleaning items contain halogenides fluorides chlorides or bromides The same applies to NaCl solutions Use the cleaning chemicals listed in section 8 3 The stainless steel tank can be destroyed by crevice corrosion in a very short time Substances that cause crevice corrosion can be contained in household cleaners Observe the instructions on limitations of use given in section 8 2 For queries please contact the manufacturer or your
15. mpletely after 12 h permanent operation In case you wish to continue operation start the unit again Sweep function OPTOSONIC silence units are equipped with an optional sweep function A more homogeneous sounding of the cleaning bath is achieved by the continued displacement of the sound pressure maxima in the cleaning liquid Particularly for large cleaning items it may be useful to switch on the sweep function Press the sweep key to switch on or off Sweep and degas functions cannot be operated at the same time After the cleaning When the cleaning process is finished rinse the cleaning items e g under the tap Drain the liquid as soon as it is dirty or when the unit is not operated over a prolonged period of time Certain residues and types of contamination may destroy or damage the stainless steel tank Elma GmbH amp Co KG BA_Optosonic silence B amp S EN Vers 01 2014 13 Cleaning media A WARNING Exclusion of liability 8 1 A GEFAHR Exception Cleaning media The cleaning chemical to be used must be suitable for the use in an ultrasonic bath to prevent damage to the tank or injuries to the user Use the recommended cleaners mentioned in section 8 3 Observe the restrictions to cleaners containing solvents and aqueous cleaners mentioned in sections 8 1 and 8 2 For queries please contact the manufacturer or your supplier Damages caused by non compliance with the instructions giv
16. nsducer tank The transducer tank and particularly the ultrasound transmitting surfaces are wear parts The changes on the surfaces that occur after a certain operating period are visible first as grey areas and later on as material abrasions the so called cavitation erosion To prolong the service life of your ultrasonic unit even more we recommend to observe the following instructions e Regularly remove any cleaning residues in particular metal particles and rust films e Use suitable cleaning chemicals with particular caution concerning the kind of removed contamination see instructions section 8 2 e Abrasive particles from removed contaminations e g polishing pastes must be drained and removed from the cleaning tank as frequently as possible exchange the cleaning bath e Exchange the cleaning medium before it is too heavily contaminated e Do not operate the ultrasound unnecessarily switch off after the cleaning process 16 BA_Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Elma Technical details 9 3 Repair Opening by Repair and maintenance works which require the unit to be authorised connected and opened must be carried out by authorised and specialised Specialised personnel only personnel only A Risk of electrocution due to live parts inside the unit DANGER Pull the mains plug before opening the unit The manufacturer cannot be held responsible for any damage caused
17. ormed into mechanical energy by piezo electrical transducer systems and is then transmitted into the bath This process creates millions of tiny vacuum bubbles which implode due to the variations of pressure caused by the ultrasonic activity Highly energetic liquid jets are created These jets remove dirt particles from surfaces and even from the smallest grooves and bores Ultrasonic cleaning factors Basically the cleaning result depends on four factors Ultrasonic energy is probably the most important mechanical factor in the cleaning process This energy must be transmitted through a liquid medium to the surfaces which are to be cleaned The present Elmasonic unit is fitted with the innovative sweep function device electronic oscillation of the sound field sweep function prevents the formation of zones of low performance in the ultrasonic bath For saponification and removal of the dirt particles a suitable cleaning agent is required Elma has a large range of cleaning media on offer Cleaning chemicals are also necessary to reduce the surface tension This increases considerably the efficiency of the ultrasonic activity The cleaning period depends on the degree and the kind of contamination and on the correct selection of ultrasonic energy cleaning agent and temperature Elma GmbH amp Co KG BA_Optosonic silence B amp S EN Vers 01 2014 5 Product description 4 Product description 4 1 OPTOSONIC silen
18. rasound not pressed fault of electronics fault of electronics no or unsuitable cleaning medium used cleaning period too short Remedy return unit to supplier or manufacturer obtain original spare mains cable from manufacturer or supplier plug in mains cable check socket fuse replace mains cable return unit to supplier or manufacturer switch on the turning knob for ultrasonic operation Switch on the unit at key on off press key M return unit to supplier or manufacturer switch unit off and on if fault is indicated again return unit to supplier or manufacturer use suitable cleaning medium repeat cleaning interval 18 BA Optosonic silence B amp S EN Vers 01 2014 Elma GmbH amp Co KG Putting out of action and waste disposal 12 13 Putting out of action and waste disposal The unit can be taken to metal and electronics recycling stations or returned to the manufacturer Manufacturer s contact address Elma Hans Schmidbauer GmbH amp Co KG Gottlieb Daimler Str 17 D 78224 Singen Telefon 49 0 7731 882 0 Telefax 49 0 7731 882 266 info elma ultrasonic com www elma ultrasonic com a_ch_02 2012 Subject to technical and visual modifications Elm Elma GmbH amp Co KG BA_Optosonic silence B amp S EN Vers 01 2014 19
19. sitive items please take into consideration the heating up of the cleaning liquid Please observe that the temperature of the cleaning media remains below 42 C when cleaning parts contaminated with fresh protein or blood Starting the cleaning process manually Press the on off key to start the unit Use the turning button to set the required cleaning time LED off For short period operation set the required cleaning period at the turning knob Press the gt lil key to start the ultrasonic operation The unit starts the ultrasonic cleaning process LED on The ultrasound is automatically switched off when the set period has run down 12 BA Optosonic silence B amp S EN Vers 01 2014 O Elma GmbH amp Co KG Elna Ultrasonic cleaning process Permanent operation 7 2 Functioning How to proceed 7 3 Follow up treatment of cleaning items Drain the unit For permanent operation turn the turning knob clockwise into so position In this operating mode there is no automatic switch off The ultrasonic activity must be switched off by hand after the cleaning process has been finished press the gt m key to switch of Alternatively turn the turning knob back into 0 position Caution Turn the turning knob only anti clockwise into 0 position In order to avoid unintended permanent operation the OPTOSONIC silence units are equipped with a safety switch off automatically The unit switches off co
20. uctions before you operate the unit Do not use the present electrical unit for any purpose other than described in the Operating Instructions Warning symbols used in the present manual This symbol warns of the risk of injury and damage to the equipment This symbol warns of the risk of injury caused by electricity This symbol warns of the risk of injury caused by explosion and or deflagration This symbol marks additional information Signal words used in the present manual The signal word danger warns of a potential risk of serious injury and danger to life The signal word warning warns of the risk of serious injury and heavy damage to the equipment The signal word caution warns of the risk of light injury or damage to the equipment The signal word attention warns of the risk of damage to the equipment Elma GmbH amp Co KG BA_Optosonic silence B amp S EN Vers 01 2014 3 Important safety warnings 2 2 Intended use User Mains connection Prevention of electrical accidents Cleaning liquid Noise emission Sound transmission at physical contact Exclusion of liability Instructions for the use of the unit The present Elma ultrasonic cleaning unit has been designed for the treatment of items and liquids only No cleaning of living beings or plants Operation of the unit by authorized and instructed staff only Observe the instructions given in the manual For safety reasons the
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