Elma Elmasonic X-tra Series User manual

X-tra 70 H
Elmasonic ultrasonic cleaning unit
Elma GmbH & Co KG · Kolpingstr. 1-7 · D-78224 Singen · Tel. [phone] / 882-0 · Fax [phone] / 882-266 · [e-mail]
www.elma-ultrasonic.com
Elma Order Nos
Elmasonic X-tra 70 H (230 V) 100 1021
Elmasonic X-tra 70 H (115 V) on request
Stainless steel lid 100 1476
Stainless steel basket (mm / inch)
276 x 126 x 80 / 10.9 x 5.0 x 3.1
100 1361
Additional accessories on request
product prole
Pictured X-tra 70 H
Technical and optical information are subject to change Elma_ch_01/2011
The extra legue of ultrasonic cleaners “Made in Germany“
● long life through new cavitation-resistant stainless steel tank, with extended warranty for 3 years
● powerful through additional transducer systems
● Sweep – for optimal sound distribution because of electrical oscillation of the sound field
● 2 cleaning modes: “power“ for intensive cleaning, “soft“ for careful cleaning of sensitive materials
● strong heating power for a short heat-up time
● dry-running proof heating elements
● practical handling through appliance inlet
● fast drainage, with welded pipes
● protected operating panel
● timer for ultrasonic activity, variable between 0 and15 min. and permanent operation
● temperature control 30 - 80 °C
Technical data
Mains voltage (Vac) 100-120V oder 200-240V
Mains connection 1 Ph. / 1N / 1 PE
Ultrasonic frequency (kHz) 35
Power consumption total (W) 600
Ultrasonic power effective (W) 110 / 180
Ultrasonic peak performance max.* (W) 720
Heating (W) 400
Power frequency (Hz) 50 / 60
Unit outer dimensions W / D / H (mm) 360 / 225 / 300
Tank int. dimensions W / D / H (mm) 300 / 150 / 150
Tank max. volume (litres) 6,5
Drain 3/8“
Weight (kg) 9,6
Material tank Stainless steel
Material casing Stainless steel
Protection class IP 20
* The signal form of the wave results in a factor 4 for the
ultrasonic peak max., depending on the modulation of the wave.
X-tra 70 H
Elmasonic ultrasonic cleaning unit
Elma GmbH & Co KG · Kolpingstr. 1-7 · D-78224 Singen · Tel. [phone] / 882-0 · Fax [phone] / 882-266 · [e-mail]
www.elma-ultrasonic.com
Elma Order Nos
Elmasonic X-tra 70 H (230 V) 100 1021
Elmasonic X-tra 70 H (115 V) on request
Stainless steel lid 100 1476
Stainless steel basket (mm / inch)
276 x 126 x 80 / 10.9 x 5.0 x 3.1
100 1361
Additional accessories on request
product prole
Pictured X-tra 70 H
Technical and optical information are subject to change Elma_ch_01/2011
The extra legue of ultrasonic cleaners “Made in Germany“
● long life through new cavitation-resistant stainless steel tank, with extended warranty for 3 years
● powerful through additional transducer systems
● Sweep – for optimal sound distribution because of electrical oscillation of the sound field
● 2 cleaning modes: “power“ for intensive cleaning, “soft“ for careful cleaning of sensitive materials
● strong heating power for a short heat-up time
● dry-running proof heating elements
● practical handling through appliance inlet
● fast drainage, with welded pipes
● protected operating panel
● timer for ultrasonic activity, variable between 0 and15 min. and permanent operation
● temperature control 30 - 80 °C
Technical data
Mains voltage (Vac) 100-120V oder 200-240V
Mains connection 1 Ph. / 1N / 1 PE
Ultrasonic frequency (kHz) 35
Power consumption total (W) 600
Ultrasonic power effective (W) 110 / 180
Ultrasonic peak performance max.* (W) 720
Heating (W) 400
Power frequency (Hz) 50 / 60
Unit outer dimensions W / D / H (mm) 360 / 225 / 300
Tank int. dimensions W / D / H (mm) 300 / 150 / 150
Tank max. volume (litres) 6,5
Drain 3/8“
Weight (kg) 9,6
Material tank Stainless steel
Material casing Stainless steel
Protection class IP 20
* The signal form of the wave results in a factor 4 for the
ultrasonic peak max., depending on the modulation of the wave.
Elmasonic X-tra 70 H (230 V) 110 1021
200 - 240V
Technical and optical information are subject to change
Änderungen, Verfügbarkeit und Preise der Produkte vorbehalten. Es gelten unsere Allgemeinen Geschäftsbedingungen, u. a. nachzu lesen unter www.beco-professionals.com. Bitte informieren Sie uns, wenn Sie unsere Werbung nicht mehr erhalten möchten.
Technical changes as well as changes in production and prices are subject to our approval. For our terms of delivery and payment please go to www.beco-professionals.com. Please let us know if you don‘t want to receive our promotion anymore.
Sitz der Gesellschaft/Reg. oce: D-21500 Geesthacht · Amtsgericht/Register Court: Lübeck HRB 314 GE · Geschäftsführer/Managing Directors: Jürgen Birkenstock, Marek Birkenstock · USt.Id.Nr./ VAT-Number: DE 135283788 · ILN 40 22739 00000 3 · WEEE.Reg.Nr.: DE12990100
BIRKENSTOCK & CO. GMBH · D-21500 Geesthacht · Germany · k +49 (0) 41 52 / 80 96 80 · +49 (0) 41 52 / 80 96 96 · www.beco-professionals.com
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Operating Instructions
Elmasonic X-tra
Ultrasonic Cleaning Unit
 english 

Content
2BA/X-tra/0908 © Elma GmbH & Co KG
1 General....................................................................... 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
3 Product description..................................................... 5
3.1 CE conformity ...............................................................5
3.2 Elma X-tra product features ..........................................5
3.3 Functioning ...................................................................5
3.4 Technical details ...........................................................6
3.5 Description and functioning of operating elements .......7
4 Initial operation ........................................................... 8
4.1 Filling of the unit............................................................8
5 Cleaning ................................................................... 10
5.1 Heating up of the cleaning liquid.................................10
5.2 Placement of cleaning items .......................................10
5.3 Start-up of the cleaning process .................................10
6 Cleaning media ........................................................ 12
6.1 Limitations of use of cleaners containing solvents.....12
6.2 Limitations on aqueous cleaners ................................13
6.3 List of recommended cleaning media .........................13
6.3.1 Dental ...................................................................14
6.3.2 Medical .................................................................14
6.3.3 Optics ...................................................................14
6.3.4 Laboratory ............................................................14
6.3.5 Jewellery ..............................................................15
6.3.6 Watches ...............................................................15
6.3.7 Industry and workshop .........................................15
7 Maintenance............................................................. 16
7.1 Maintenance / Care.....................................................16
7.2 Repair .........................................................................16
7.3 Troubleshooting ..........................................................17
8 Putting out of action and waste disposal .................. 18

General
© Elma GmbH & Co KG BA/X-tra/0908 3
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 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 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.
Dange
r
The signal word warning warns of the risk of serious injury and
heavy damage to the equipment.
Warning
The signal word caution warns of the risk of light injury or
damage to the equipment.
Caution
The signal word attention warns of the risk of damage to the
equipment.
Attention

Important safety warnings
4BA/X-tra/0908 © Elma GmbH & Co KG
2.2 Instructions for the use of the unit
The present Elma ultrasonic cleaning unit has been designed
for the treatment of items and liquids only.
Intended use
Do not treat living beings or plants in an ultrasonic unit
Operation of the unit by authorized and instructed staff only.
Observe the instructions given in the manual.
Use
r
Check unit and mains cable for transport damages. In case of
visible damages do not put the unit into operation.
Check for damages
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.
Mains connection
Place the unit at a dry and sufficiently ventilated workplace.
Keep the workplace, housing and operating elements dry.
Protect the unit from entering humidity!
Placement
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 authorized specialized personnel
only.
Prevention o
f
electrical accidents
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!
Cleaning liquid

Product description
© Elma GmbH & Co KG BA/X-tra/0908 5
3 Product description
3.1 CE conformity
The present Elma ultrasonic cleaning unit is in compliance with
the CE marking criteria.
The declaration of conformity is available from the
manufacturer.
3.2 Elma X-tra product features
Elma X-tra – High technology "made in Germany":
• transducer tank made of cavitation-proof special
steel with 3-year warranty
• powerful performance due to additional transducer
systems
• optimized sound distribution through continued
sweeping (electronic oscillation of the sound field)
• 2 cleaning stages: Powerclean for the intensive
cleaning and Softclean for the gentle cleaning of
sensitive items
• high heating power for quicker heating-up
processes
• dry-run protected heating
• quick draining through welded piping
• operating panel protected against splashing water
• easy handling due to removable unit connection
cable
3.3 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.
In order to achieve efficient cleaning results the liquid in the
cleaning bath must contain a suitable cleaning chemical.

Product description
6BA/X-tra/0908 © Elma GmbH & Co KG
3.4 Technical details
X-tra 30 H X-tra 50 H X-tra 70 H X-tra 150 H
Max. filling volume tank (lit.) / (gal) 3.0 / 0.8 4.5 / 1.2 6.5 / 1.7 14.0 / 3.7
Operating volume tank (lit.) / (gal) 2.0 / 0.5 3.5 / 0.9 5.0 / 1.3 10.0 / 2.6
Tank dimensions W x D x H (mm)
(inch)
240x130x100
9.5x5.1x3.9
240x130x150
9.4x5.1x5.9
300x150x150
11.8x5.9x5.9
300x240x200
11.8x9.4x7.9
Outer dimensions W x D x H (mm)
(inch)
360x230x250
14.2x9.0x9.8
360x230x300
14.2x9.0x11.8
420x250x300
16.5x9.8x11.8
420x340x350
16.5x13.4x13.8
Material tank / housing stainless
steel
stainless
steel
stainless
steel
stainless
steel
Drain 3/8“ 3/8“ 3/8“ 1/2“
Weight (kg) / (lbs) 7.1 / 15.6 8.3 / 18.3 9.6 / 21.2 13.2 / 29.1
Basket inner dimensions W x D x
H (mm) / (inch)
224x110x48
8.8x4.3x1.8
224x110x76
8.8x4.3x3.0
284x130x76
11.2x5.1x3.0
281x214x135
11.1x8.4x5.3
Mesh size of the basket (mm) /
(inch) 6 / 0.24 6 / 0.24 6 / 0.24 9 / 0.35
Mains voltage (Vac) 115 / 230 115 / 230 115 / 230 115 / 230
Mains frequency (Hz) 50 / 60 50 / 60 50 / 60 50 / 60
Mains connection 1 ph. prot.
earth
1 ph. prot.
earth
1 ph. prot.
earth
1 ph. prot.
earth
Power consumption (W) 540 580 600 1120
Ultrasonic frequency (kHz) 35 35 35 35
US power RMS (W) 70 / 120
switchable
100 / 160
switchable
110 / 180
switchable
180 / 300
switchable
HF permanent peak performance
max. (W) * 480 640 720 1200
Heating power (W)
variable between 20-80°C /
68°-176°F
400 400 400 800
Sweep function continuously    
Timer 15 min/permanent operation    
* Due to the form of the signal the value of the ultrasonic peak maximum is four times higher

Product description
© Elma GmbH & Co KG BA/X-tra/0908 7
3.5 Description and functioning of operating elements
A B C D
EF
Illustration 3.1 Elements front view
Timer for ultrasonic operation. Two operating modes: 1-15 min
for short period operation (with automatical switch-off)
permanent operation ∞(manual switch-off)
A
Ultrasound selector switch for two cleaning stages.
power: for intensive cleaning and
soft: for gentle cleaning of sensitive items
B
Heating switch
C
Control of heating thermostate 20 – 80°C
D
Ultrasound control lamp indicating ultrasonic operation
E
Heating control lamp indicating heating operation
F

Initial operation
8BA/X-tra/0908 © Elma GmbH & Co KG
4 Initial operation
Check the Elma X-tra for possible transport damages before
initial operation.
Check for transport
damages
In case of visible damages 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!
Placement
Risk of electrocution due to humidity inside the unit!
Protect the unit from entering humidity.
The unit inside is splashwater-proof. Keep workplace and
housing dry in order to prevent electrical accidents and
damages on the unit.
DANGE
R
Ambient conditions • Allowed ambient temperature during operation:
+5°C - +40°C
• Allowed relative humidity of air during operation: max. 80%
• No condensation
Connect the unit to a correctly grounded shockproof socket
only.
Connect the unit to
the mains
4.1 Filling of the unit
Fill the cleaning tank with a sufficient quantity of a suitable
cleaning liquid before operation. See illustration 4.1
Observe filling level
Illustration 4.1 optimum filling level at marking on tank wall

Initial operation
© Elma GmbH & Co KG BA/X-tra/0908 9
Dry running of the transducer tank can cause damage to the
unit.
Ensure that the cleaning tank is filled to the optimum level
during operation (see tank marking).
ATTENTION
Ensure that the chosen cleaning chemical is suitable for
treatment in an ultrasonic bath and observe the instructions on
dosage and the compatibility of the material.
Suitable cleaning
agents
We recommend the use of the cleaning agents listed in section
6.1.
Flammable products are not allowed for use in an ultrasonic
bath. Observe the instructions given in section 6 (cleaning
media).
Prohibited cleaning
agents
Restrictions concerning further cleaning media are also
indicated in the instructions given in section 6.
For queries please contact the manufacturer or your
supplier.
Freshly mixed cleaning liquids are saturated with air which
lessens the cleaning effect of the ultrasonic activity. By
sounding the liquid over a period of several minutes before the
cleaning process the tiny air bubbles in the liquid are
eliminated.
Degassing of liquids

Cleaning
10 BA/X-tra/0908 © Elma GmbH & Co KG
5 Cleaning
5.1 Heating up of the cleaning liquid
Depending on the degree and kind of contamination and on the
cleaning medium used it is recommendable to heat up the
cleaning liquid.
Switch on the heating. The yellow control lamp "heating" is
turned on.
Turn switch
„heating“ to position
„on“
Select the required cleaning temperature. The tank must be
filled at least half. The optimum filling level is marked on the
tank wall (page 7 - illustration 4.1).
Setting o
f
temperature at
thermostate
In order to achieve a uniform heating of the cleaning liquid it is
necessary to switch on the ultrasound from time to time or to
stir the liquid.
Without stirring of the liquid the heat will rise to the surface.
There will be a considerable gradient of temperature within the
cleaning tank (the temperature difference between the liquid
surface and the bottom of the tank can be as high as 40°C).
Also, lime settings will form around the heating element
because the high temperature is not fully transmitted to the
liquid.
5.2 Placement of cleaning items
Caution! Do not place the cleaning items directly on the bottom
of the transducer tank as this might lead to damages on the
unit.
Put the cleaning items into the stainless-steel cleaning basket.
Cleaning basket
5.3 Start-up of the cleaning process
Do not reach inside the tank during ultrasonic operation!
Cell walls can be damaged by prolonged exposure to ultrasonic
activity.
For taking out the cleaning items always switch off the unit.
CAUTION

Cleaning
© Elma GmbH & Co KG BA/X-tra/0908 11
Set the timer to the required cleaning period: timer operating
mode or permanent operating mode.
Switch on time
r
For short operating periods set the timer to timer operating
mode (1-15 min). The unit starts the ultrasonic cleaning process
and automatically switches off after the set period. This process
can be repeated as often as necessary.
Timer operating
mode
For longer cleaning cycles switch the timer to the left into
permanent operating mode (∞). In this operating mode the unit
does not automatically switch off. The ultrasound must be
switched off manually after the cleaning process is finished
(position "off").
Permanent operating
mode
Select the required power according to the intended cleaning
intensity:
Setting of powe
r
Gentle cleaning for the removal of light contamination and for
the cleaning of sensitive surfaces.
soft
Intensive cleaning for tenacious contamination and for the quick
cleaning of robust surfaces.
powe
r
After the cleaning process thoroughly rinse the cleaned items in
running water and dry in a drying unit or wipe with a cloth.
Aftertreatment:
rinsing/drying

Cleaning media
12 BA/X-tra/0908 © Elma GmbH & Co KG
6 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
6.3. Observe the restrictions to cleaners containing solvents
and aqueous cleaners mentioned in sections
ATTENTION
6.1 and 6.2.
For queries please contact the manufacturer or your supplier.
Damages caused by non-compliance with the instructions given
in sections
Exclusion of liability 6.1 and 6.2 will not be covered by the
manufacturer's warranty!
6.1 Limitations of use of cleaners containing
solvents
Risk of fire and explosion!
Never use flammable liquids or solvents directly in the
ultrasonic cleaning tank.
We recommend to use the cleaning media listed in section 6.
DANGE
R
Ultrasound increases the vapourisation of liquids and creates
finest vapours which can easily catch fire at ignition sources.
• marked in compliance with the EEC directives by symbols
and safety warnings R 1 to R 9
• or E, F+, F, O or R 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 interlacing agent).
Exception

Cleaning media
© Elma GmbH & Co KG BA/X-tra/0908 13
6.2 Limitations on aqueous cleaners
Risk of damage to the transducer tank!
Do not use acid cleaners (pH value below 7) directly in the
stainless-steel tank if the items to be cleaned carry
contaminations with halogenides (fluorides, chlorides or
bromides).
The same applies to salt solutions (NaCl).
ATTENTION
We recommend to use the cleaning media listed in section 6.
The stainless-steel tank can be destroyed by crevice corrosion
within a very short period. Such substances can be contained in
household cleaners.
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.)
Acids and alkaline
solutions
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.
Entrainment o
f
chemical substances
For the ultrasonic treatment with the above mentioned media
use an acid-resistant tank (available as accessory equipment).
Acid-resistant tank
The limitations of use also apply to the standard cleaners and
disinfectants if these contain the above mentioned compounds.
Disinfectants
Observe the safety warnings indicated by the manufacturer of
the chemicals (e.g. goggles, gloves, R and S phrases).
Safety regulations
For queries please contact the manufacturer or your supplier.
6.3 List of recommended cleaning media
Elma has a large range of suitable cleaning products 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.
Environment
–
friendly products

Cleaning media
14 BA/X-tra/0908 © Elma GmbH & Co KG
6.3.1 Dental
Universal cleaner for the cleaning of instruments and laboratory
equipment made of plastic, ceramic, stainless steel, rubber and
glass.
elma clean 10
Cleaner for impression spoons: removes dental plaster and
alginates. Ready-for-use cleaning bath.
elma clean 25
Cleaner for prostheses with activated oxygen for the cleaning of
dental prostheses made of metal and plastic. The released
oxygen refreshes the prosthesis hygienically.
elma clean 35
Chemical for the removal of cement and carbonate (lime). For
the cleaning of precious metals, ceramics, plastics, glass and
rubber. Removes metal oxide, cement, fluxing media, etc.
elma clean 40
Aldehyde-free drill cleaner for instruments made of stainless
steel. For the hygienical removal of amalgam remains, blood,
tissue, etc.; with anti-corrosion effect.
elma clean 55d
Acid cleaner for instruments made of stainless steel, glass and
plastic. Removes corrosion, rust films and mineral deposits.
elma clean 60
6.3.2 Medical
Universal cleaner for the cleaning of instruments and laboratory
equipment made of plastic, ceramic, stainless steel, rubber and
glass.
elma clean 10
Acid cleaner for instruments made of stainless steel, glass and
plastic. Removes corrosion, rust films and mineral deposits.
elma clean 60
6.3.3 Optics
Cleaning concentrate for glasses, frames, optical lenses and
components. Also suitable for plastics.
elma opto clean
6.3.4 Laboratory
Acid cleaner for instruments made of stainless steel, glass and
plastic. Removes corrosion, rust films and mineral deposits.
elma clean 60
Neutral laboratory and universal cleaner for glass, plastic,
metals and rubber.
elma clean 65
Mild alkaline laboratory cleaner for equipment made of glass,
metal, alkali-proof plastics, rubber and ceramics. Removes
dust, grease, oil, soot, etc.
elma clean 70
Ammoniacal cleaner with brightening effect for precious and
nonferrous heavy metals; for the removal of abrasive and
polishing pastes.
elma clean 75

Cleaning media
© Elma GmbH & Co KG BA/X-tra/0908 15
6.3.5 Jewellery
Ammoniacal cleaner with brightening effect for precious and
nonferrous heavy metals; for the removal of abrasive and
polishing pastes. Not suitable for soft stones, pearls or corals.
elma clean 75
Gentle cleaner for the jewellery workshop. Suitable for soft
stones and fancy jewellery.
elma clean 85
Cleaning and brightening of gold, silver and platinum jewellery
within seconds. Not suitable for soft stones, pearls or corals.
elma noble clean
Extra gentle cleaner for precious metal jewellery with stones.
Clean soft stones without ultrasound.
elma ultra clean
Cleaner for jewellery made of precious metals, with brightening
effect. Clean soft stones without ultrasound.
elma super clean
6.3.6 Watches
For the aqueous cleaning of disassembled watches / clocks;
removes resin residues and rust.
elma chrono clean
1:20
Aqueous cleaner for disassembled watches / clocks with
brightening effect.
elma reinigungs-
konzentrat 1:9
6.3.7 Industry and workshop
Cleaning concentrate (alkaline)for electronics and fine optics:
removes light oils, grease, fluxing agents, dust, finger prints,
etc.
elma tec clean A1
Intensive cleaner (ammoniacal) with brightening effect for
nonferrous and precious metals: removes grinding, polishing
and lapping media, grease, oil, etc.
elma tec clean A2
Cleaning concentrate (alkaline) for iron, steel, stainless steel
and precious metals: removes punching oil, drawing grease,
soot, forge, grinding and polishing media, high-performance
cooling lubricants, etc.
elma tec clean A3
Universal cleaning concentrate (alkaline): removes oil, grease,
soot, coking, forge, dust, finger prints, etc.
elma tec clean A4
Powerful cleaner (alkaline) in powder form for iron and light
metals: removes forged and gummed oil and grease, grinding
and polishing media, lacquer and paint remnants, wax, etc.
elma tec clean A5
Neutral cleaning concentrate: removes oil, grease, grinding,
lapping and polishing media, dust, sweat, finger prints, etc.
elma tec clean N1
Mild acid cleaning concentrate: removes rust, lime, oxide films
(e.g. verdigirs), grease, oil, etc.
elma tec clean S1
Strong acid cleaning concentrate: removes mineral
contaminations such as lime, rust and other oxides, films that
can be removed with corrosives, etc.
elma tec clean S2

Maintenance
16 BA/X-tra/0908 © Elma GmbH & Co KG
7 Maintenance
7.1 Maintenance / Care
Pull the mains plug before carrying out any maintenance works.
ATTENTION
The present Elmasonic S unit is maintenance-free.
Check the housing and the mains cable for damage regularly in
order to prevent electrical accidents.
Electrical security
In order to prolong the service life of the transducer tank,
remove the cleaning residues regularly, in particular metal
particles and rust film particles.
Care of transduce
r
tank
Lime deposits on the stainless-steel tank e.g. can be cleaned
gently with elma clean 40 or elma clean 115C (operate the unit
with concentrate + water).
If the unit is used for medical purposes we recommend to
disinfect the transducer tank and the tank edge regularly
(standard surface disinfectants).
Check regularly the grid of the air fan at the bottom of the unit
(not existent in all units).
Grid of air fan
Remove dirt if necessary to allow sufficient ventilation inside the
unit.
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 under water!
Care of housing
7.2 Repair
Repair and maintenance works which require the unit to be
connected and opened must be carried out by authorized and
specialized personnel only.
Opening by
authorized
specialized
personnel only
Separate the unit from the mains before opening up the
housing. The manufacturer cannot be held responsible for any
damage caused by unauthorized repair works.
WARNING
In case of damage please contact the manufacturer or your
supplier.

Maintenance
© Elma GmbH & Co KG BA/X-tra/0908 17
7.3 Troubleshooting
Fault / Malfunction Possible cause Remedy
housing or mains cable
damaged
• transport damage, caused by
third party
return unit to supplier or
manufacturer
no operation;
control lamps off
• mains plug not plugged in
• dead socket
• mains cable damaged /
interrupted
• plug in mains plug
• check socket / fuse
• return unit to
manufacturer/supplier
• return unit to
manufacturer/supplier
no ultrasound
control lamp US off,
heating OK
• timer not activated
• faulty timer
• switch timer "on"
• return unit to
manufacturer/supplier
no ultrasound
control lamp US on,
heating OK
• faulty electronics • return unit to
manufacturer/supplier
cleaning result not
satisfactory
• no cleaning medium /or
unsuitable cleaning medium
has been used
• cleaning cycle too short
• use suitable cleaning
medium
• repeat cleaning cycle
unit does not heat up;
heating control lamp off;
US can be activated
• faulty heating switch
• faulty control thermostate (no
clicking sound when switched)
• return unit to
manufacturer/supplier
• dto.
heating period too long • heating energy escapes
• no revolution of cleaning liquid
• use cover (optional
accessory
• e.g. switch on US (see
section 5.2)
unit makes boiling sounds
during heating-up period
• no revolution of cleaning liquid • e.g. switch on US (see
section 5.2)
set temperature is
exceeded
• temperature sensor does not
measure the average
temperature (no revolution)
• set temperature too low
• ultrasonic energy heats up the
liquid (physical process)
• stir liquid by US or by hand
• do not switch on heating for
low set temperatures
• switch on US for short
periods only

Putting out of action and waste disposal
18 BA/X-tra/0908 © Elma GmbH & Co KG
8 Putting out of action and waste disposal
The unit can be taken to metal and electronics recycling
stations or returned to the manufacturer.
Subject to technical and visual modifications. Elma_ch_0908