Elmasonic EASY Operating Instructions

Contents

Contents 1

General... 4

2

Important safety warnings ... 4 2.1 2.2 2.3 2.4

3

Functioning ... 7 3.1

4

4.8 4.9 4.10

Filling of the unit ...17 Placement of cleaning items ...18 Degassing of liquid...18

Ultrasonic cleaning process... 19 7.1 7.2 7.3 7.4 7.5

2

Set up of the liquid drain (EASY 60 H – 300 H) ...15 Connecting the unit to the mains ...16

Putting unit into operation ... 17 6.1 6.2 6.3

7

Elmasonic EASY product features ... 8 CE conformity ... 8 RFI Statement (European Union) ... 8 Delivered equipment ... 9 Unit front view / side view... 9 Unit back view...10 Turning knob for draining the tank (from EASY 60 H) ...10 Description of operating elements ...11 Description of LED indicators ...12 Operating and display functions ...13

Initial operation ... 15 5.1 5.2

6

Ultrasonic cleaning factors ... 7

Product description ... 8 4.1 4.2 4.3 4.4 4.5 4.6 4.7

5

Instructions for the use of the present manual... 4 Instructions for the use of the unit ... 5 Intended use as medical device ... 6 Safety instructions on the machine ... 6

Heating up of the cleaning liquid (units with heating) ...20 Starting the cleaning process manually ...21 Sweep function ...21 Pulse Mode ...22 After the cleaning ...22

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Cleaning media ... 23 8.1 Limitations of use of cleaners containing solvents ..23 8.2 Limitations on aqueous cleaners ...23 8.3 List of recommended cleaning media ...24 8.3.1 Dental ...25 8.3.2 Medical ...25 8.3.3 Optics ...25 8.3.4 Laboratory ...26 8.3.5 Jewellery ...26 8.3.6 Watches ...26 8.3.7 Industry and workshop ...27

9

Maintenance ... 27 9.1 9.2 9.3

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Maintenance / Care...27 Service life of the transducer tank ...28 Repair ...28

10

Technical Details ... 29

11

Troubleshooting ... 30

12

Putting out of action and waste disposal ... 32

13

Manufacturer's contact address... 32

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1

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.

2

Important safety warnings Please observe any additional national safety regulations that may apply.

2.1

Instructions for the use of the present manual Carefully read the Operating Instructions 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 caused by electricity. This symbol warns of the risk of injury caused by explosion and/or deflagration. This symbol warns of the risk of injury caused by hot surfaces and liquids. This symbol warns of the risk of injury. This symbol warns of the risk of damage to the equipment. This symbol marks additional information. Signal words used in the present manual

4

Danger

The signal word Danger warns of a potential risk of serious injury and danger to life.

Warning

The signal word Warning warns of the risk of serious injury and heavy damage to the equipment.

Caution

The signal word Caution warns of the risk of light injury or damage to the equipment.

Attention

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2.2

Instructions for the use of the unit Intended use

The present Elma ultrasonic cleaning unit has been designed for the treatment of items and liquids only. No cleaning of living beings or plants!

User

Operation of the unit by authorized and instructed staff only. Observe the instructions given in the manual.

Mains connection

For safety reasons, the 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.

Prevention of electrical accidents

For purposes of maintenance and care of the unit, in the case of suspected humidity inside the unit or in the case of malfunctions and after operation, unplug the mains plug. The unit must only be opened by authorised specialised personnel.

Cleaning liquid

Hot surfaces and liquids

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! Risk of burning and scalding! Depending on the operational period of the unit, unit surfaces, cleaning liquid, basket and cleaning items can heat up considerably.

Noise emission

Ultrasonic units can produce annoying sounds. Wear personal ear protection devices when working close to an ultrasonic unit which is operated without cover.

Sound transmission at physical contact

Do not reach inside the cleaning liquid or touch sound-carrying parts (tank, basket, cleaning items, etc.) during operation.

Exclusion of liability

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.

Storage and transport conditions

Temperature during storage: +5 C (+41 F) to +40 C (+104 F) Temperature during transport: -15 C (+5 F) to +60 C (+140 C) Humidity and air pressure during storage and transport: 10 % - 80 % relative humidity; non-condensing Pressure range 500 hPa – 1060 hPa absolute

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Important safety warnings

2.3

Intended use as medical device Intended purpose

Ultrasonic cleaning of - surgical and medical instruments - microinstruments and - rigid endoscopes and accessories Only reusable medical devices that are approved for ultrasonic cleaning and authorised for the reprocessing are permitted to be cleaned (see information of the medical device manufacturer according to, e.g. ISO 17664). The cleaning of medical devices with Elmasonic Easy-Line products does not replace the subsequent cleaning, disinfection or sterilisation in automated standard processes (e.g. cleaning and disinfection unit (CDU) or autoclave). The user is responsible for checking the cleaning result.

Intended use Ultrasonic cleaning machines are exclusively intended for ultrasonic irradiation of objects and liquids. Thereby, no flammable liquids are permitted to be used directly in the cleaning tanks. The machine is only permitted to be operated by trained personnel and not by children. Operation and placement must be performed in accordance with the conditions and media defined in the operating manual. The service intervals and regional regulations for checking the equipment must be complied with.

2.4

Safety instructions on the machine This symbol warns about the risk of injury from hot surfaces and liquids.

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Functioning Today, cleaning by ultrasound is the most modern fine cleaning method. The electric high-frequency energy created by an ultrasonic generator is transformed into mechanical energy by piezoelectrical 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.

3.1

Ultrasonic cleaning factors Basically, the cleaning result depends on four factors:

Mechanical energy

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.

Cleaning media

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.

Temperature

The effect of the cleaning medium is improved by the optimised temperature of the cleaning liquid. For Elma cleaning products please observe the instructions given on the label or the product information leaflets.

Cleaning period

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The cleaning period depends on the degree and the kind of contamination and on the correct selection of ultrasonic energy, cleaning agent and temperature.

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Product description

4

Product description

4.1

Elmasonic EASY product features             

4.2

Transducer tank made of cavitation-resistant stainless steel Case made of hygienically easy to clean stainless steel Sandwich power transducer systems Sweep function for optimal sound field distribution in the cleaning liquid Liquid fast drain on the machine rear side (starting from Elmasonic EASY 60 H) Heating with dry-running protection" Machine can be plugged in to mains power socket Electronic selector switch Drip-proof control unit Plastic carrying handles (starting from Elmasonic EASY 60 H) Automatic safety shutdown after 8 hours operation to prevent accidental continuous operation Automatic safety shutdown at 90 °C bath temperature Protection against unintended restart, e.g. after automatic safety shutdown or power failure

CE conformity This Elma ultrasonic cleaner meets the requirements for the CE marking based on the EC/EU Low Voltage, Electromagnetic Compatibility (EMC) and RoHS Directives. Some models are also registered as medical devices. Refer to the EC/EU Declaration of Conformity that can be obtained from the manufacturer for details.

4.3

RFI Statement (European Union) This is a Class A product. Please note: This equipment has been approved for business purposes with regard to electromagnetic interference. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. For this please contact your supplier or the manufacturer of the unit.

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4.4

Delivered equipment

4.5



Ultrasonic cleaning unit



Mains cable



Tube socket with tube clamp (starting from Elmasonic EASY 60 H)



Operating Instructions

Unit front view / side view

A

B

D

C

Illustration 4.5 Front view / side view Elmasonic EASY 30 H

A

Filling line (not available on Elmasonic EASY 10 / S 10 H) indicates the recommended maximum filling level. This level should not be exceeded even with cleaning items inside.

B

Plastic carrying handles (from Elmasonic EASY 30 H) for the safe transportation of the unit even with hot casing.

C

Turning knob for the draining of the tank (from Elmasonic EASY 60 H) functional description see section 4.7.

D

Operating panel for the control of the operating functions. Description see section 4.8 and 0.

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Product description

4.6

Unit back view

A

B

Illustration 4.6 Unit back view (as delivered)

A

Liquid drain duct for draining the tank (up from EASY 30)

B

Mains supply socket for quick and easy removal of the mains cable e.g. for transportation purposes

4.7

Turning knob for draining the tank (from EASY 60 H) A

B

Illustration 4.7 View turning knob for draining the tank

10

A

Vertical position: drain open

B

Horizontal position: drain shut

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4.8

Description of operating elements A

B

C

D

E Illustration 4.8 View operating elements (unit with heating)

A

On/Off switch Cleaning time preselection * Setting options Short time operation: 1; 2; 3; 4; 5; 10; 15; 20; 25; 30 min (with automatic switch-off). Continuous setting ON for continuous operation. The switch-off must be performed manually here. However, the machine is switched off automatically after 8 hours continuous operation for safety reasons.

B

Start/Stop button for ultrasound operation Activation of the Pulse mode by pressing and holding for more than 3 seconds.

C

Ultrasound operation LED indicator Fault indicator (flashes - see chapter 11)

D

Temperature preselection * for machines with heater. Temperature selection range in 5 °C steps from 30°C – 80°C

E

Heater operation LED indicator for machines with heater, lights when the heater is active. Fault indicator (flashes - see chapter 11) * setting the preselection: turn clockwise reset of the preselection: turn anticlockwise

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Product description

4.9

Description of LED indicators Ultrasound operation LED indicator

Device status

off

ultrasound off

lights

ultrasound on ultrasound time running

flashes slowly (1x/sec)

ultrasound on ultrasound time running

Heater operation LED indicator Device status

off

heater off or setpoint temperature reached

lights

heater is heating

flashes quickly (4x/sec)

specified limit temperature exceeded

lights for approx. 3 seconds, then temperature limit has been goes out programmed

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Ultrasound operation LED indicator and heater operation LED indicator

Device status

pause, flashes, flashes, pause…

temperature of liquid too high

pause, flashes, flashes, flashes, pause…

temperature sensor defective

pause, flashes, flashes, flashes, flashes, pause…

ultrasound power too low

pause, flashes, flashes, flashes, flashes, flashes, pause

unknown program error

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4.10

Operating and display functions

Action

Input

Switch on machine

Turn On/Off rotary Machine operational switch from the "OFF" (12 o'clock) position to the "ON" (1 o'clock) position

The heater is activated if the heater rotary switch is not in the "0" (12 o'clock) position

Start ultrasonic cleaning (sweep mode)

Cleaning time rotary switch ≠ "OFF"

Ultrasound operating for the specified time in sweep mode

Ultrasound LED indicator lights

Ultrasound operating for the specified time in Pulse mode

Ultrasound LED indicator flashes slowly

Ultrasound off

Ultrasound LED indicator off

Result

and

Display

Start/Stop button pressed briefly Start ultrasonic cleaning (Pulse mode)

Cleaning time rotary switch ≠ "OFF" and Start/Stop button pressed and kept pressed (> 2 seconds)

Stop ultrasonic cleaning before expiry

Adjust cleaning time rotary switch or Press Start/Stop button briefly

Switch on heater

Heater rotary switch not in "0" position

Heater LED indicator lights until setpoint temperature is reached, then extinguishes

and Cleaning time rotary switch ≠ "OFF"

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Product description Switch off heater

Heater rotary switch in the "0" position

Heater LED off

or Cleaning time rotary switch ≠ "OFF" Program temperature limit Cleaning time rotary switch in "OFF" position

Specified temperature is programmed (also remains saved after switching off the machine)

and

The heater LED indicator lights for approx. 3 seconds, then goes out

Heater rotary switch = desired temperature limit or Press Start/Stop button and keep pressed (> 2 seconds)

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Initial operation Packing

Check for transport damages

Placement

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 Elmasonic EASY 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, 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.

DANGER

Ambient conditions

The unit inside is splash-water-proof. Keep workplace and casing dry in order to prevent electrical accidents and damages on the unit.   

5.1

Allowed ambient temperature during operation: +5 °C (+41 °F) to +40 °C (+104 °F) Allowed relative humidity of air during operation: max. 80 % In-door operation only

Set up of the liquid drain (EASY 60 H – 300 H) On the delivered unit, the drain duct for the cleaning liquid is closed off with a plastic screw cap. For setting up the liquid drain fix the delivered tube socket to the drain duct.

Proceed as follows

1. Unscrew (clockwise) the plastic screw cap (see illustration 5.1.1) 2. Screw the tube socket (included in delivery) onto the inside thread of the drain duct (clockwise). 3. Turn the tube socket into the required drain position (see illustration 5.1.2). The plastic thread is self-sealing when the socket has been screwed in by hand as far as possible. Note: Unscrewing the tube socket (anti-clockwise) can cause a leak of the thread.

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Initial operation 4. The drain duct is now ready for connection to a customerprovided discharge system. Use a standard tube (dia 1/2"). Push the tube onto the socket and fix it with the clamp included in the delivery.

Illustration 5.1.1 Drain with plastic screw cap

5.2

Illustration 5.1.2 Drain fitted with standard tube

Connecting the unit to the mains Required mains conditions

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.

Connect mains cable

16

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!

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Putting unit into operation

6.1

Filling of the unit Shut the drain

Observe filling level

Suitable cleaning agents

Prohibited cleaning agents

DANGER

Shut the drain duct before filling the tank. (Turning knob for draining of the tank into horizontal position (see section 4.7). Fill the cleaning tank with a sufficient quantity of a suitable cleaning liquid before switch-on. The optimum filling level is approx. 2/3 of the tank volume. The marked maximum filling level of the tank (not available on EASY 10 / EASY 10 H) indicates the recommended filling level with cleaning items in the bath (see also section 4 Illustration 4.5). 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.

CAUTION

Risk of damage to the transducer tank! Do not use any acid cleaning agents (pH value < 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 supplier. Danger of damage to the transducer system!

CAUTION

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Putting unit into operation

6.2

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! CAUTION

Cell walls can be damaged by prolonged exposure to ultrasonic activity. For placing and taking out the cleaning items always switch off the unit.

No cleaning items on the bottom of the tank Use cleaning basket

Do not place the cleaning items directly onto the bottom of the cleaning tank, as this might lead to damages to the unit.

Acid tank

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.

6.3

Place the cleaning items into the stainless steel cleaning basket (accessory equipment).

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.

Ultrasound button

18

Degas the fesh cleaning liquid for approx. 5 - 10 minutes.

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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. Risk of scalding by hot surfaces and cleaning liquid! CAUTION

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. During permanent operation with cover and heating temperatures exceeding 80°C can be reached. Do not reach inside the bath. If necessary touch unit and basket with protecting gloves!

Ultrasonic units can produce annoying sounds. CAUTION

ATTENTION

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. ATTENTION

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-sensitive 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.

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Ultrasonic cleaning process

7.1

Heating up of the cleaning liquid (units with heating) Depending of the degree and kind of contamination and on the cleaning medium used it might be required to heat up the cleaning liquid. For a quick heating-up process and in order to prevent unnecessary energy losses we recommend to use a cover (optional accessory equipment). The ultrasonic energy is transformed physically into heat. Low set temperatures can be exceeded during ultrasonic operation. The cleaning effect through ultrasonic cavitation is reduced when cleaning with high temperatures. We recommend not to exceed a temperature of 80°C inside the tank. For the recommended cleaning temperature please observe the product information of the used elma clean cleaner. High temperatures! Risk of burning and scalding! CAUTION

Cleaning liquid, cleaning tank, casing, cover, basket and cleaning items can heat up considerably. Do not reach inside the bath. If necessary wear protective gloves when touching unit and basket!

Cleaning temperature recommendations in the medical sector: Please observe that the temperature of the cleaning media remains below 42 °C when cleaning parts contaminated with fresh protein or blood. Please observe the temperature even when using low or no heating. How to proceed Heating control by turning temperature knob

Press the on/off key to start the unit. Set the desired cleaning temperature at the temperature selector switch for the temperature preselection. The heater is active until the preselected temperature is reached. The LED indicator lights while the heater is active. The LED extinguishes as soon as the preselected temperature is reached.

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