Elma Elmasonic P120H, Elmasonic P30H, Elmasonic P60H, Elmasonic P180H, Elmasonic P300H Instruction Manual
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Operating Instructions
Elmasonic P
Ultrasonic Cleaning Units
english
Elma GmbH & Co KG Kolpingstr. 1-7 D-78224 Singen Tel. +49 (0) 7731 / 882-0 Fax +49 (0) 7731 / 882-266
www.elma-ultrasonic.com
info@elma-ultrasonic.com
Content
Content
1 General....................................................................... 4
2 Important safety warnings .......................................... 4
2.1 Instructions for the use of the present manual............. 4
2.2 Safety instructions for the use of the unit..................... 5
3 Ultrasonic cleaning ..................................................... 6
3.1 Interesting facts on cleaning by ultrasound.................. 6
3.2 Ultrasonic cleaning process ........................................ 7
4 Product description..................................................... 7
4.1 Product features.......................................................... 7
4.2 CE conformity ............................................................. 8
4.3 Delivered equipment ................................................... 8
4.4 Description of unit front features.................................. 9
4.5 Description of unit rear features .................................10
4.6 Turning knob for the draining of the tank....................10
4.7 Description of operating elements..............................11
4.8 Description of display.................................................12
4.9 Short overview of operating and display functions......12
5 Initial operation ......................................................... 16
5.1 Prepare the drain duct................................................16
5.2 Connecting the unit to the mains................................17
6 Putting into operation ............................................... 18
6.1 Filling of the unit.........................................................18
6.2 Heating up of the cleaning liquid (if required for the
intended application)..................................................19
6.3 Automatic stirring during heating................................20
6.4 Degassing of liquid.....................................................20
7 Ultrasonic cleaning process...................................... 21
7.1 Starting the cleaning process manually......................22
7.2 Temperature-controlled cleaning start (if heating is
required) ........................................................................22
7.3 Degas mode...............................................................23
7.4 Sweep mode..............................................................23
7.5 Pulse mode................................................................24
7.6 Setting of the ultrasonic frequency .............................24
7.7 Setting of the ultrasonic power ...................................24
7.8 Placement of cleaning items ......................................25
7.9 After the cleaning .......................................................25
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Content
8 Cleaning media ........................................................ 26
8.1 Limitations of use of cleaners containing solvents......26
8.2 Limitations on aqueous cleaners................................27
8.3 List of recommended cleaning media.........................27
8.3.1 Dental ..................................................................28
8.3.2 Medical ................................................................28
8.3.3 Optics ..................................................................28
8.3.4 Laboratory ...........................................................29
9 Maintenance............................................................. 30
9.1 Maintenance and care................................................30
9.2 Service life of the transducer tank ..............................30
9.3 Repair ........................................................................31
10 Technical details.................................................... 32
11 Trouble shooting.................................................... 34
12 Putting out of action and waste disposal ............... 36
13 Manufacturer’s contact adress .............................. 36
© Elma GmbH & Co KG BA/Elmasonic P/D/05.10
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General
Danger
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.
2 Important safety warnings
Please observe any national safety regulations that may apply
in addition to the present instructions.
2.1 Instructions for the use of the present manual
Carefully read the present operating instructions and operate
the electric unit in compliance with the instructions only.
Warning symbols used in the present manual
Warning
Caution
Attention
This symbol warns of the risk of light injuries 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 warns of the risk of injury caused by hot surfaces
and liquids.
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.
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BA/Elmasonic P/D/05.10 © Elma GmbH & Co KG
Important safety warnings
User
Prevention of
accidents
Hot surfaces and
Sound transmission
through physical
contact
2.2 Safety instructions for the use of the unit
Intended use
Mains connection
electrical
Cleaning liquid
liquids
The present Elma ultrasonic cleaning unit has been designed
for the treatment of items and liquids only. Do not clean any
living beings or plants!
Operation of the unit by authorized and instructed staff only.
Observe the instructions given in the manual. Children are not
allowed to operate the unit.
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.
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.
Risk of fire and explosion! Do not fill flammable liquids into the
cleaning tank.
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
Exclusion of liability
Ultrasonic units can produce annoying sounds. We recommend
to operate the unit with the suitable cover (accessory
equipment) to reduce the noise level.
Wear personal ear protection devices when working close to an
ultrasonic unit which is operated without cover. A special noise
production box is available for units up to P 120.
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 any damages on
persons, equipment or cleaning items caused by improper use
against the instructions given in the present manual.
The operator is responsible for the correct instruction of the
operating staff.
© Elma GmbH & Co KG BA/Elmasonic P/D/05.10
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Ultrasonic cleaning
3 Ultrasonic cleaning
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 which
remove dirt particles from surfaces and even from the smallest
grooves and bores.
3.1 Interesting facts on cleaning by ultrasound
Basically, the cleaning result depends on four factors:
Physical energy
Cleaning media
Temperature
Cleaning period
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 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. We have a large range of cleaning
media on offer.
In addition, the use of cleaning media is required to reduce the
surface tension of the liquid. This increases the efficiency of the
ultrasonic activity considerably.
The effect of the cleaning medium is improved by the optimised
temperature of the cleaning liquid.
The cleaning period depends on the degree and the kind of
contamination, the cleaning agent used, the set temperature
and the cleaning process.
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3.2 Ultrasonic cleaning process
1. Fill the ultrasonic tank with water and cleaning concentrate
(Section 6.1).
2. Heat up the cleaning liquid, if required for the intended
cleaning application (Section 6.2).
3. Degas the cleaning liquid – operation in degas mode
(Section 6.4).
4. Select the required ultrasonic frequency depending on the
cleaning task - 37 kHz or 80 kHz (Section 7.6).
5. Activate the ultrasonic sweep mode – if required for the
intended cleaning application, e.g. for large cleaning items
(Section 7.4.).
6. Activate the ultrasonic pulse mode – if required for the
intended cleaning application, e.g. for coarse
contaminations (Section 7.5).
Product description
7. Switch on the ultrasound (manual or automatic start-up)
(Section 7.1 and Section 7.2).
8. Put the cleaning items into the cleaning bath (Section 7.8).
9. Rinse the cleaned items if necessary.
10. Dry the cleaned and rinsed items if necessary.
4 Product description
4.1 Product features
• ultrasonic tank made of cavitation-proof stainless steel
• casing made of stainless steel, hygienic and easy to
clean
• sandwich-type performance transducer systems
• two ultrasonic frequencies, switchable in one unit:
37 kHz und 80 kHz
37 kHz: for the removal of coarse contaminations and for
mixing, dissolving, dispersing and degassing
80 kHz: perfect for the cleaning of capillaries and fort he
use in quiet work areas, prolonged cleaning period
• automatic frequency switch-over for simultaneous
coarse and fine cleaning
• activatable Sweep mode for an optimised sound field
distribution within the cleaning bath
• activatable Pulse mode for an intensified ultrasonic
cleaning power, additional ultrasonic power up to 20%
© Elma GmbH & Co KG BA/Elmasonic P/D/05.10
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Product description
• activatable Degas mode for the quick degassing of
HPLC samples or solvents, and of fresh cleaning liquids
• Auto Degas mode for an automatic degassing cycle, e.g.
for fresh cleaning liquids
• ultrasonic power variable for sensitive surfaces
• temperature-controlled ultrasonic operation: ultrasound
starts automatically as soon as the preset temperature is
reached
• indication of unit settings (e.g. set and actual values) by
alphanumerical display
• saving of the last unit settings at switch-off
• electronic turning knobs
• drain duct mounted to the unit rear, operation of the
drain duct on the unit side
• automatic stirring during heating-up process
• pluggable mains cable
• plastic carrying handles
• automatic safety switch-off after 12 h operation to
prevent unintended permanent operation
• automatic safety switch-off at 90 °C to protect the
cleaning items against excess temperatures
4.2 CE conformity
The present ultrasonic cleaning unit complies with the CE
marking criteria.
The declaration of conformity is available from the
manufacturer.
4.3 Delivered equipment
• Ultrasonic cleaning unit
• Mains cable
• Hose nozzle complete with hose clamp
• Operating Instructions
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BA/Elmasonic P/D/05.10 © Elma GmbH & Co KG
4.4 Description of unit front features
Product description
A
B
D
E
Fig 4.4 Front view / side view
Maximum filling level marking marks the recommended
A
upper filling level. This filling level should not be exceeded even
with immersed cleaning items.
Plastic carrying handles for the safe transportation of the unit
B
even with heated casing.
Turning knob for the draining of the tank For a description
C
please see Section 4.6.
Display indicates the set and actual values. For a description
D
please see Section 4.78.
C
Operating elements for the control and operation of the unit
E
functions.
For a description please see Section 4.7.
© Elma GmbH & Co KG BA/Elmasonic P/D/05.10
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Product description
4.5 Description of unit rear features
A
Fig 4.5 View unit rear when delivered
Drain duct to drain the tank (blind plug when delivered)
A
Mains input socket quick and easy unplugging of the mains
B
cable, e.g. for transportation purposes
B
4.6 Turning knob for the draining of the tank
A
B
Fig 4.6 View turning knob for the draining of the tank
Vertical position: drain duct open
A
Horizontal position: drain duct closed
B
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BA/Elmasonic P/D/05.10 © Elma GmbH & Co KG
Product description
B
K
4.7 Description of operating elements
C
A
Fig 4.7 View operating panel (unit with heating)
Turning knob ultrasonic period (min) Possible settings for
A
F
H
I
G
D
short-term operation: 1; 2; 3;…10; 10; 15; 20;…50; 60 min
(automatic switch-off).
Permanent operation (--:--) for continued operation. Switch-off
by hand. For reasons of safety the unit is automatically
switched off after 12 h continued operation.
Key Degas mode (degas) with LED by hand or by Auto Degas
B
(see Section 7.3) for the efficient degassing of fresh cleaning
liquids and HPLC applications
E
Key Sweep mode (sweep) with LED for the perfect sound
C
field distribution within the cleaning bath
Key Pulse mode (pulse) with LED for an increase of the
D
ultrasonic power by 20%
Turning knob temperature (°C) temperature range between
E
30° – 80°C, variable by 5°C steps. The heating is switched on
as soon as the set temperature exceeds the actual
temperature.
Key frq to change the ultrasonic frequency
F
Key pow for the setting of the ultrasonic power between
G
30% – 100%, variable by steps of 10%
H
Key ultrasonic operation ►■ and temperature-controlled
ultrasonic operation
Key on/off with LED to switch the unit on and off
I
Key Pause ll for a temporary operating top
K
© Elma GmbH & Co KG BA/Elmasonic P/D/05.10
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