1120973 Elmasonic EPlus Easy Ultrasonic Cleaning Unit Instruction Manual

1120973 Elmasonic EPlus Easy Ultrasonic Cleaning Unit

Elma Schmidbauer GmbH
Gottlieb-Daimler-Strasse 17
78224 Singen (Germany)
www.elma-ultrasonic.com

Technical support:
Tel: + 49 (0)77 31 882 280
Email: support@elma-ultrasonic.com

About this manual

IMPORTANT Please read the manual before using the product. This manual forms part of the contents supplied with the unit. Keep the manual in an accessible place close to the product, and keep it with the product if it is sold on.
Meaning of the symbols used:

User
In the manual, the term User refers to all persons who transport, set up, connect, operate and maintain the unit. The manual is aimed at persons with appropriate technical knowledge and experience in handling similar units.
The user is at least 16 years old. They must have read and understood the manual and be capable of following all notes and instructions.
All tasks that go beyond the pure operation of the unit within the scope described here must be performed by qualified and authorised specialists.

Other applicable documents
In addition to the specifications given in this manual, the following documents and directives also apply and may take precedence. This list is not exhaustive:

• Regional safety regulations and other locally applicable provisions.
• Safety data sheet and dosing instructions of the cleaning agents used.

CE mark
This unit fulfils CE marking requirements in line with EU (EC/EEC) directives. Details are stated in the EU declaration of conformity that can be obtained from the manufacturer.
Technical changes to the unit must be approved by the manufacturer. The unit is no longer CE compliant if opened by an unauthorised person.

Proper use

Ultrasonic cleaning
Only use the product in line with the listed specifications. Using the unit in any other way is considered improper use.

• The product is intended for ultrasonic cleaning of objects with liquids.
• Do not use flammable liquids.
• Do not clean living creatures or plants.
• The product is only suitable for use in rooms.
• The product is designed for liquids that do not produce any vapours harmful to humans. If such liquids are used, extra safety measures must be implemented e.g., personal protective equipment.
• The user is responsible for assessing the cleaning results.
• Only authorised, qualified personnel who are familiar with the manual may operate this product. Unauthorised persons, in particular children, must not use this product.
• Only use original accessories made for this product.

Safety

The structure of warnings

injury

Possible dangerous situation         Death or serious injury

Possible dangerous situation         Slight injuries, damage to components or units

No risk of personal injury, but

Useful advice or tip                        possible damage to components or units

WARNING
CAUTION
NOTICE

Meaning of symbols on the nameplate

Safety information on specific types of hazard

Electrical power
Contact with live components can lead to serious injury or death due to electrocution!

• Do not connect the unit to the power supply if the connection cables or other components are visibly damaged.
• Keep the enclosure and control elements clean and dry.
• Protect the unit against penetrating moisture.
• The mains voltage and the connected load on the nameplate must correspond to the on-site connection conditions.
• Only operate the unit in power circuits that are protected by a fault-current circuit breaker.

Risk of fire and explosion
Critical injuries, burns

• Do not fill the cleaning tank with flammable liquids.
• Only use cleaning agents that are approved for this unit.
• In case of doubt, ask the manufacturer or supplier.

Infections
Danger of possible infection due to poor cleaning results, dirty cleaning fluid and insufficient maintenance and disinfection of the unit.

• Change the cleaning fluid when it becomes visibly dirty and at least once per day.
• Clean the tank and surfaces thoroughly after draining the fluid and disinfect, if necessary.
• Check the cleaning results. The operator is responsible for monitoring the cleaning results.

Hot liquids and surfaces
Danger of burns and scalds due to contact with hot fluids or surfaces caused by high operating temperatures or continuous ultrasound operation.

• Do not touch the surfaces, accessories or objects being cleaned.
• Danger of splashes caused by high temperatures, by switching on ultrasound operation or by careless insertion of the basket or objects. If necessary, wear suitable protective equipment.
• If work must be performed on hot components, switch off the unit and allow to cool. If necessary, wear suitable protective equipment.

Cleaning agents
Volatile, corrosive or aggressive cleaning agents can cause chemical burns to the skin and respiratory tract.

• Observe the safety data sheet when using cleaning agents.
• Wear the protective equipment stipulated in the safety data sheet.
• Where necessary, provide adequate extraction for the emitted vapours and regularly check that the extraction system is working correctly.
• Observe the information stipulated in the Cleaning agents chapter. In case of doubt, ask the manufacturer or supplier.

Ultrasound-conductive liquids and materials
Ultrasound damages the cell membranes and bone structure.

• Do not reach into the ultrasonic bath during ultrasound operation.
• During ultrasound operation, do not touch any parts that conduct ultrasound, such as the tank, basket or any accessories used.

Ultrasound noise emissions
Working with ultrasonic cleaning units for longer periods of time can damage your hearing.

• Use the lid or wear personal ear protection when working on ultrasonic units.
• Pregnant women must not be subjected to the noise emissions for longer periods of time.
• Keep animals away from the vicinity of ultrasonic devices.

Electromagnetic radiation
No binding statement can be made for persons with active medical implants, such as pacemakers or implanted defibrillators. A binding statement can only be made for specific workstations and in consultation with the implant manufacturer.

Use of cleaning agents

A cleaning agent can be added to the liquid in the tank to improve the cleaning results.
If using cleaning agents, observe and apply the instructions stated in the safety data sheet and product information.
Also observe the following information:

Permissible cleaning agents

• Only use aqueous cleaning agents for ultrasonic cleaning.
• Only use cleaning agents that are suitable for ultrasonic cleaning.

Elma provides a wide range of aqueous cleaning agents developed in-house that are optimised for ultrasonic cleaning.
A list of Elma cleaning agents can be found here: https://www.elma- ultrasonic.com/en/products/cleaning-chemistry

Cleaning agents
Use of aggressive, corrosive cleaning agents:
Aggressive, corrosive cleaning agents can cause severe chemical burns if they come into contact with eyes or skin. Insufficient ventilation can result in severe chemical burns to the respiratory tract.

• Before using any cleaning agents, read the safety data sheet and product information and observe and apply the instructions.
• Where necessary, install an effective extractor system for the emitted vapours (e.g. at higher temperatures) and regularly check that the extractor system is working correctly.
• Never reach into the tank when filled with cleaning agent.
• Wear suitable protective equipment in line with the safety data sheet.

Danger of fire or explosion when using combustible cleaning agents
Ultrasound and heat increase the evaporation of liquids and form extremely fine mists that readily ignite on contact with sources of ignition. This can result in severe burns or death.

• Do not use cleaning agents that are labelled with the pictograms GHS01 (explosive), GHS02 (flammable) or GHS03 (oxidising) in line with the CLP regulation (EC no. 1272/2008). Do not use cleaning agents that have a flashpoint.
• If necessary, clarify the cleaning agents that can be used by consulting the manufacturer or supplier.

Damage to stainless-steel tank caused by unsuitable cleaning agents
Unsuitable cleaning agents can cause pitting and therefore damage the stainless-steel tank within a short time.

• Consult the unit and cleaning agent manufacturers to clarify whether the cleaning agent is suitable.
• Do not use any cleaning agents in the acidic pH range at the same time as halides, such as fluoride, chloride, bromide or iodide.
• Only use cleaning agents that are suitable for ultrasound applications.

Technical data

Elmasonic E+ Easy 10, 10H, 20, 20H

Mechanical data
Max. external dimensions W/D/H (unit with cover)| mm| 235 / 130 / 200| 215 / 190 / 230
Max. opening dimensions W/D (inside of tank above stacking collar)| mm| 190 / 85| 150 / 135
Interior dimensions W/D (tank below fill level marking)| mm| 185 / 80| 140 / 125
Fill level (tank base to fill level marking)| mm| 40| 60
Working height (basket base to fill level marking)| mm| 30| 40
Interior dimensions of basket W/D/H (original accessories)| mm| 155 / 70 / 35| 110 / 105 / 50
Max. basket loading (original accessories)| kg| 1,0| 1,0
Total volume| L| 0,9| 1,6
Recommended tank operating capacity

Weight (unit with cover)

| L

kg

| 0,7

2,0

| 1,2

2,1

Performance data

Mechanical data
Max. external dimensions W/D/H (unit with cover)| mm| 305 / 190 / 230| 305 / 190 /

280

| 370 / 225 /

280

Max. opening dimensions W/D (inside of tank above stacking collar)|

mm

|

235 / 135

|

235 / 135

|

300 / 150

Interior dimensions W/D (tank below fill level marking)| mm| 220 / 120| 215 / 115| 280 / 130
Working height (basket base to fill level marking)| mm| 40| 80| 85
---|---|---|---|---
Interior dimensions of basket W/D/H (original accessories)|

mm

|

195 / 105 / 50

| 195 / 105 /

95

| 255 / 105 /

95

Max. basket loading (original accessories)| kg| 1,0| 3,0| 5,0
Total volume| L| 2,7| 3,9| 5,9
Recommended tank operating capacity| L| 1,6| 2,9| 4,3

Product contents

Important
Check delivery for damage to the packaging. Document any damage immediately (e.g. photo) ,and report it to the manufacturer or dealer.
Check that all parts of the delivery are complete and undamaged. Never put a damaged unit into operation.
Dispose of packaging materials that are no longer required in an environmentally friendly manner.

1. Ultrasonic unit 10H – 300H (with heating)
2. Ultrasonic unit 10 – 30 (without heating)
3. Cover or, turned over, usable as a trip tray for a basket
4. Hose connector for drain (60H and up)
5. Network cable (IEC connector )
6. Manual (not shown)

Unit description

1. Warning of hot surfaces
2. Controls
3. Handle (30/30H and up)
4. Mains connection
5. Nameplate, not shown
6. Drain (60H and up)
7. Rotary knob, drain open/closed (60H and up)
8. Feet, non-slip
9. Blower (120H and up)

Controls

1. Start/Stop button, switch ultrasonic cleaning on/off

2. LED temperature indicator (for units 10H–300H, with heating)
   flashes green – for the duration of heating mode to reach the set temperature. Heating is on.
   lights up green – once the set temperature is reached. Heating switches off once the set temperature is reached.
   flashes red or orange – there is a fault, see Chapter Malfunctions/fault messages [} 24].

3. Rotary knob for temperature 0–80 °C (for units 10H–300H, with heating), the temperature of the cleaning liquid can be set from 30–80 °C in 5 °C increments.
   0 = Heating off

4. Mode button, set the dyn (dynamic) or eco ultrasound mode; with LED indicators of the ultrasound modes dyn and eco, die LED indicator of the set ultrasound mode lights up.

5. Cleaning duration rotary knob
   ON/OFF, switch the unit on/off;
   set a cleaning duration of 1, 2, 3, 4, 5, 10, 15, 20, 25 or 30 minutes.

6. LED indicator for cleaning duration;
   flashes green – for the duration of ultrasonic cleaning,
   lights up green – when ultrasonic cleaning is complete,
   flashes red – there is a fault, see Chapter Malfunctions/fault messages [} 24].

Operating modes

• Switched off
  The cleaning duration rotary knob is turned to OFF. All LEDs are off.

• Switched on
  The cleaning duration rotary knob is turned to ON, or a cleaning duration of 1–30 minutes is set. The LED of the set ultrasound mode lights up.

• Safety switch-off with wake-up function
  The unit is switched on. Automatic safety switch-off occurs after 8 hours of inactivity or in case of a brief interruption of the power supply. The LEDs turn off. The unit can be switched on again by pressing a button or turning the rotary knob.

• Ultrasonic cleaning
  Ultrasonic cleaning was started by pressing the Start/Stop button. The LED for cleaning duration flashes during ultrasonic cleaning.
  You can press Start/Stop again to terminate ultrasonic cleaning at any time. The LED for cleaning duration is off.

• Ultrasonic cleaning complete
  A brief audible signal is emitted at the end of the cleaning duration. The LED for cleaning duration lights up.

Set up and connect the unit

Notes on installation site
The unit is designed to be set up in commercially used premises such as laboratories, medical practices, etc.

• The installation site must be well ventilated.
• The permissible ambient conditions are met.
• The unit must be installed on a sturdy, horizontal, non-slip, moisture-resistant work surface with the following characteristics:
  • The surface must be non-flammable.
  • There must be sufficient clearance above the unit to allow the cover and the objects being cleaned to be removed.
  • There must be an area available next to the unit for setting down the basket and inserts.
• Electrical connection conditions:
  • Splash-proof earthed socket near the unit (cable length approx. 1.5 m).
  • The power connection must be protected by a fault-current circuit breaker (RCD).
  • Ensure that the power supply required to operate the unit is available.
• Wastewater connection requirements:
  • Units without drains: select an installation site located close to a sink that can be used to empty the unit.
  • Units with drains: properly connect the unit drain to the on-site wastewater disposal system. If necessary, properly route the drain into a sink located nearby.

Set up the unit

• Unpack the unit completely.

• Keep the cover and accessories, e.g. basket, inserts, etc. on hand.

• Place the unit on the selected surface.
  IMPORTANT The controls, such as the rotary knobs, buttons and, if applicable, discharge tap, must be clearly visible and easily accessible.

• The unit has been set up.

Connect the unit

Connect the drain
Obtain the required connection materials, e.g. suitable heat-resistant hose and hose clips (the hose is not included).

1. Unscrew the yellow plug from the drain.
2. Screw the included hose nozzle into the drain.
3. Push the hose onto the hose nozzle and secure it using the hose clip.
4. Connect the hose to the wastewater disposal system. If necessary, properly route the hose into a sink.
5. Check the drain for leaks. To do so, fill the tank with cold water up to around 1/3 of the fill level. Then, open the discharge tap to test all joints for leaks.
6. Seal any leaks found.
   The drain is connected.

Connecting the network cable
Ensure that the required power connection is available.

1. Plug the power cord into the IEC connector on the unit.
2. Route the power cord in such a way that it does not pose a tripping hazard, cannot be damaged and is not exposed to moisture. The power cord must not touch the unit housing, as the housing becomes hot during operation.
3. Connect the plug. The plug must be easily accessible so that it can be disconnected in emergencies.

Fill the tank

Suitable cleaning liquids for ultrasonic cleaning are:

• Water
• Softened water
• Distilled water

Cleaning power can be improved by adding aqueous cleaning agents. See Metering cleaning agent.

• The unit and the tank are clean and, if necessary, disinfected.
• The recommended tank operating capacity for the relevant unit sizes is stated in the technical data. See Technical data [} 9].
• The unit is ready to use.

1. Add the fluid to the tank up to the fill level marking using, for example, a measuring jug. The fill level marking is the stacking collar (1). For unit sizes without stacking collars, the fill level is approx. 1.5 cm beneath the tank edge.
   CAUTION! An overfilled tank can cause the cleaning fluid to boil over at high temperatures.

2. The process of adding cleaning agents is explained in chapter Metering cleaning agent.

3. Fresh liquid must be degassed approx. 10 minutes prior to ultrasonic cleaning. See Degassing the liquid [} 18].
   IMPORTANT It is important to degas freshly inserted ultrasonic cleaning baths to remove any air bubbles and dissolved gases that may be present in the cleaning liquid. Failure to remove these gases will negatively impact cleaning power.
   The tank has been filled.

Insert a basket

1. Hang the basket filled with the items to be cleaned in the tank.
   IMPORTANT The fill level in the tank will increase once the basket or insert is placed inside. This may cause the tank to overflow in the case of full baskets or dosages > 5%. To avoid this, do not fill the tank right up to the fill level marking in such cases and fill the remaining space once the basket has already been inserted.

2. IMPORTANT! The objects being cleaned must be completely submerged in the fluid to achieve good cleaning results. If necessary, reduce the number of objects being cleaned.
   The tank is full, cleaning agent has been dosed (if necessary), liquid has been degassed and the basket has been inserted. Ultrasonic cleaning can be started.

Dosing cleaning agent
Cleaning power can be improved by adding aqueous cleaning agents.
WARNING! Please follow the safety instructions and instructions for use and observe the mixing ratio for the cleaning agent used!
Dosing information for the different unit sizes and typical volume concentrations are shown in the following table.

Device size| Tank operating capacity| Dosing quantities in ml for following concentrations
---|---|---
Volume concentration in %|  | 1%               2%                3% 5%
 | 1 l/1000 ml| 10 ml| 20 ml| 30 ml| 50 ml
E+ EASY 10/10H| 0.7 l / 700 ml| 7 ml| 14 ml| 21 ml| 35 ml
E+ EASY 20/20H| 1.2 l| 12 ml| 24 ml| 36 ml| 60 ml
E+ EASY 30/30H| 1.6 l| 16 ml| 32 ml| 48 ml| 80 ml
E+ EASY 40H| 2.9 l| 29 ml| 58 ml| 87 ml| 145 ml
E+ EASY 60H| 4.3 l| 43 ml| 86 ml| 129 ml| 215 ml
E+ EASY 100H| 6.8 l| 68 ml| 136 ml| 204 ml| 340 ml
E+ EASY 120H| 10 l| 100 ml| 200 ml| 300 ml| 500 ml
E+ EASY 180H| 14.2 l| 142 ml| 284 ml| 426 ml| 710 ml
E+ EASY 300H| 22 l| 220 ml| 440 ml| 660 ml| 1.1 l

The aqueous cleaning agent is chosen based on the type of cleaning
WARNING! Do not use flammable cleaning agents! See Use of cleaning agents [► 8].
The unit is filled with liquid (e.g. water) up to the recommended tank operating See Fill the tank [► 17].

1. Find the dosing quantity for the required concentration in the table and add the liquid to the
2. Stir the cleaning liquid to Stirring is also achieved by degassing the cleaning liquid. See Degassing the liquid [► 18].
   • The cleaning agent is dosed into the For further steps, see Fill the tank [► 17].

Degassing the liquid
Degassing of the liquid results in the following advantageous ultrasound effects:

• Improves the cleaning effect of the ultrasound.
• Stabilises the cleaning process.
• Ensures optimal mixing of the cleaning liquid.
• Improves the spatial temperature distribution in the liquid.

Procedure

• The unit is ready to use.
• Fresh liquid has been added to the tank.
• Cleaning agent has been added to the liquid, if applicable.

The basket with the objects to be cleaned is not
NOTICE! Always degas the liquid without the basket and objects.

1. Set the cleaning duration to 10 See Set the cleaning duration [► 20].
2. Start ultrasound mode dyn (dynamic). See Changing ultrasound mode [► 21].

NOTICE! Degassing can also be carried out with another ultrasound mode if the unit does not have the dyn ultrasound mode.
Let the unit run for at least 10 minutes in the set ultrasound mode.
The liquid has been degassed

Insert objects to be cleaned
Ensure that all optional original accessories e.g., baskets or inserts for holding the objects being cleaned, are available.
IMPORTANT Do not place objects on the bottom of the tank. The tank and the objects can be damaged through ultrasonic operation.

1. Position the basket or insert next to the unit. The cover can be used as a mat.
2. Place the objects inside the basket or insert without overfilling it. Arrange the objects being cleaned in such a way that fluid will be able to circulate around them without obstructions. IMPORTANT Only clean objects that are suitable for ultrasonic operation, the set temperature and, where applicable, the cleaning agent in use. In case of doubt, contact the manufacturer or dealer.
3. Hook the filled basket or insert inside the tank.
   The objects being cleaned have now been inserted.

Operating the unit

Damage caused by noise emissions

Hearing damage!

• When working with the unit in ultrasound mode, cover it with the lid or wear hearing protection.
• Pregnant women must not spend long periods of time near an ultrasonic unit in operation.
• Keep animals away from the ultrasonic unit

Caution Hot liquid, vapours and unit parts!

Burns or scalds.

• Do not reach into the tank.
• When working at high cleaning temperatures (> 50 °C), only touch baskets, covers and inserts wearing suitable protective gloves or allow them to cool before touching them.

CAUTION Dry running!
Damage to the tank and unit.

• Always fill the tank with fluid up to the fill level marking before operating the unit.
• Never operate the unit without cleaning fluid.
• Regularly monitor the filling level.

Set the cleaning duration

• The unit is ready to use.
• The unit is filled with liquid.
• The cleaning agent has been metered and added, if applicable.
• The liquid is degassed.
• The objects to be cleaned have been inserted.
• The unit is covered with the cover.

Changing ultrasound mode

Setting cleaning temperature
For units without heating, go straight to Chapter Starting/stopping ultrasonic cleaning [} 22].

• The cleaning duration is set.
• The ultrasound mode has been changed, if applicable.

Starting/stopping ultrasonic cleaning
The cleaning liquid also heats up in ultrasonic operation without heating. Especially during continuous operation, the cleaning liquid can become hot due to ultrasonic operation.

• The cleaning duration is set.
• The ultrasound mode has been changed, if applicable.
• The cleaning temperature is set (for units with heating).

Important! Check the temperature of the cleaning liquid regularly, especially when cleaning sensitive objects.
If the cleaning temperature is too high, allow the cleaning liquid to cool down or replace the cleaning liquid.

Remove cleaned objects
The end of ultrasonic cleaning is indicated by the End of cleaning symbol or, where applicable, an acoustic signal.

1. Carefully remove the lid, and allow any dripping water to drip into the tank. Then, place the lid upside down next to the unit to use as a drip tray.
   CAUTION! If using high cleaning temperatures > 50 °C, allow the liquid to cool down first or use suitable heat-insulating protective gloves.

2. Lift the basket or insert out of the tank, allow the excess fluid to drain briefly, and place it on the upturned lid.

Drain the unit

Hot liquids
Danger of burns and scalds caused by spilled fluid!

• Do not move or carry the unit when full of liquid.
• The exception to this is small units without a drain. Allow the liquid to cool down before emptying and disconnect the mains plug.

Emptying units with drains:

• Ultrasound operation has finished.
• The basket or insert has been removed.
• The drain (1) is connected to an on-site wastewater disposal system.

1. Open the discharge tap (2) to drain off the cleaning fluid.
   The tank is empty.

2. Clean and, if necessary, disinfect the tank. See Chapter Maintenance [} 25].

Emptying a unit without a drain

• Ultrasound operation has finished.
• The basket or insert has been removed.
• If using temperatures > 50 °C, allow the cleaning fluid to cool.

1. Disconnect the network cable.

2. Put the cover on.

3. Firmly take hold of the unit by the handles while holding the cover in place, and carry it carefully to a sink.

4. Remove the cover.

5. Slowly tip the unit over the sink with one corner at the lowest point, and carefully pour out the cleaning fluid.
   The tank is empty.

6. Clean and, if necessary, disinfect the tank. See Chapter Maintenance [} 25].

Malfunctions/fault messages

Troubleshooting

•    Switch on the unit

•    Check that the power cable is correctly connected and undamaged; replace if necessary

•    Check power supply

Buttons/rotary switches indicate no function| Controls defective| •    Contact the manufacturer.
Ultrasonic operation does not start| Ultrasonic unit defective| •    Contact the manufacturer.

Fault messages
If a fault occurs, various different flashing patterns indicate the fault type. Ultrasonic operation always switches off if a fault occurs.

socket of a different power circuit
Flashes red three times, pauses, repeats| Ultrasonic performance faulty (too high or too low)| Switch unit off, switch on again after 1 minute and restart cleaning  Increase or decrease liquid level, if applicable
Continuously flashes red| All other faults| Contact service centre or manufacturer
Continuously flashes or- ange (applies for units with heating)| Max. temperature > 90 °C reached| Switch unit off and allow the cleaning liquid to cool down, disconnect unit from the mains if necessary
Continuously flashes red (applies for units with heating)| Faulty temperature sensor| Contact service centre or manufacturer

Contact the service centre or the manufacturer in the following cases:

• The measures described here do not remedy the fault.
• The fault recurs (repeatedly), even after performing the following measures:
– The unit was disconnected from the mains and plugged in again about 1 minute later, and cleaning started again.
• The unit must be repaired at the factory.

IMPORTANT Empty the unit completely, and clean and disinfect it thoroughly before sending it for repair.

Maintenance

Faulty power cord
Electric shock or damage to the device
Check the power cord regularly for damage.

Replace the network cable
The network cable or plug contacts are visibly damaged.
Replace damaged network cables immediately.

NOTICE! Removable network cables may not be replaced with insufficiently measured network cables!
The network cable has been replaced.

Clean enclosure

• The enclosure is dirty.
• The network cable is unplugged.
• Wipe all surfaces using a damp cloth.
• WARNING! Do not spray the outside of the unit with water.
• The enclosure has been cleaned.

Cleaning the tank
The tank is full of limescale or dirty.
The tank is empty.

1. Use a damp cloth to wipe out limescale and dirt residue. If necessary, rinse the tank using a shower set.
   CAUTION! Do not spray the outside of the unit with water.
   The tank has been cleaned.

2. To descale the tank, fill it with tap water up to the fill level marking in the tank.

3. Heat up the unit to 40 °C.

4. Add 4–10% of Elma clean 60 or Elma clean 115C.

5. Once 40 °C has been reached, switch off the unit.
   Leave the solution to work for approx. 12 hours.

6. Then, switch on eco ultrasound mode for approx. 15 min.

7. Empty the tank.

8. Use a damp cloth to wipe out the remaining limescale and dirt residue. If necessary, rinse the tank using a shower set.

CAUTION! Do not spray the outside of the unit with water.
The tank has been descaled and cleaned.

Disinfect
We recommend the following disinfectants for wiping the unit:

• Incidin Liquid by Ecolab (ready-to-use, quick disinfectant).
• Terralin protect by Schülke (observe dosage and exposure time).
• Disinfect the tank and the enclosure using a commercially available surface disinfectant on a regular basis. CAUTION! Test the disinfectant on a small area first to ensure it does not affect the materials, particularly the controls.
  The unit has been hygienically disinfected.

Clean the blower and check that it is working correctly (sizes 120 and up)
Dust and dirt adhering to the protective grille of the blower can impair the cooling performance or cause unit malfunctions.

Regularly remove accumulated dust and dirt.
The unit is ready for operation and filled with fluid to enable the functions to be checked.

1. Heat up the unit to approx. 55 °C.

2. The blower will start after > 50 °C is reached.
   If the sound of the blower is clearly audible, the blower is working.
   If no sound can be heard from the blower, send the unit for repair immediately.

3. Switch off the unit.
   The blower function has been checked.

Disposal

CAUTION
Once the unit has reached the end of its service life, ensure that the unit and accessories are disposed of safely and correctly:

• Clean and disinfect the old device and accessories before disposal.
• Do not dispose of old devices with household waste, but instead at the local collection and disposal points.
• Secure the old device against unauthorised access until removal; if necessary, dispose of the power cable separately.
• Observe regionally applicable disposal directives.
• Data protection notice: The end user is responsible for deleting personal and confidential data from the unit being discarded.

References

• Startseite - Elma Schmidbauer GmbH
• Cleaning Chemistry - Elma Schmidbauer GmbH
• Reinigungschemie - Elma Schmidbauer GmbH

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