Durr Dental CAS 1 Installation And Operating Instructions Manual

CAS 1 Combi-Separator

Installation and Operating Instructions

EN

7117100018L30



1712V002

Contents

Important information

1 About this document � � � � � � � � � � � � � � � 3

1�1 Warnings and symbols � � � � � � � � � � 3
1�2 Copyright information � � � � � � � � � � � 3

2 Safety � � � � � � � � � � � � � � � � � � � � � � � � � � � 4

2�1 Intended purpose � � � � � � � � � � � � � � 4
2�2 Intended use � � � � � � � � � � � � � � � � � � 4
2�3 Improper use � � � � � � � � � � � � � � � � � 4
2�4 Systems, connection with other

devices � � � � � � � � � � � � � � � � � � � � � � 4
2�5 General safety information � � � � � � � � 5
2�6 Qualified personnel � � � � � � � � � � � � � 5
2�7 Protection from electric shock � � � � � 5
2�8 Only use genuine parts � � � � � � � � � � 5
2�9 Transport � � � � � � � � � � � � � � � � � � � � 5
2�10 Disposal � � � � � � � � � � � � � � � � � � � � � 5

Product description

3 Overview� � � � � � � � � � � � � � � � � � � � � � � � � 6

3�1 Scope of delivery � � � � � � � � � � � � � � 6
3�2 Special accessories � � � � � � � � � � � � 6
3�3 Disposable materials � � � � � � � � � � � � 6
3�4 Wear parts and spare parts � � � � � � � 6

4 Technical data � � � � � � � � � � � � � � � � � � � � 7

4�1 CAS 1 Combi-Separator � � � � � � � � � 7
4�2 Type plate � � � � � � � � � � � � � � � � � � � � 8
4�3 Conformity assessment � � � � � � � � � � 8
4�4 Approvals � � � � � � � � � � � � � � � � � � � � 8

5 Operation � � � � � � � � � � � � � � � � � � � � � � � � 9

5�1 Operation � � � � � � � � � � � � � � � � � � � 10
5�2 Separation � � � � � � � � � � � � � � � � � � 10
5�3 Spittoon connections � � � � � � � � � � 10
5�4 Station selection valve / safety

valve � � � � � � � � � � � � � � � � � � � � � � � 10
5�5 Amalgam separation � � � � � � � � � � � 10
5�6 Sediment level measurement � � � � 11
5�7 Operating problems � � � � � � � � � � � 11
5�8 Service key � � � � � � � � � � � � � � � � � � 11

Installation

6 Requirements� � � � � � � � � � � � � � � � � � � � 12

6�1 Installation/setup room � � � � � � � � � 12
6�2 Setup options � � � � � � � � � � � � � � � � 12
6�3 Hose materials � � � � � � � � � � � � � � � 12
6�4 Installation and routeing of hoses

and pipes � � � � � � � � � � � � � � � � � � � 12

6�5 Information about electrical

connections � � � � � � � � � � � � � � � � � 12

6�6 Information about connecting

cables � � � � � � � � � � � � � � � � � � � � � � 12

7 Installation � � � � � � � � � � � � � � � � � � � � � � 13

7�1 Combining devices safely � � � � � � � 13
7�2 Installation of the CAS 1 in

treatment units � � � � � � � � � � � � � � � 14
7�3 Electrical connections, controller � � 15
7�4 Electrical connections � � � � � � � � � � 15

8 Commissioning and first start-up� � � � � 16
9 Service program� � � � � � � � � � � � � � � � � � 17
10 Description of the service program � � � 18

10�1 Service program ON/OFF � � � � � � � 18
10�2 Display test � � � � � � � � � � � � � � � � � � 18
10�3 Sediment level measurement � � � � 18
10�4 Motor start - motor braking � � � � � � 18
10�5 Input and output signals � � � � � � � � 18

EN

7117100018L30 1712V002 1

Contents

Operation

11 Display/handling� � � � � � � � � � � � � � � � � � 19

11�1 Ready for operation � � � � � � � � � � � 19
11�2 Amalgam collector vessel is 95%

full � � � � � � � � � � � � � � � � � � � � � � � � 19

11�3 Amalgam collector vessel is

100% full � � � � � � � � � � � � � � � � � � � 19

11�4 Amalgam collector vessel not in

position � � � � � � � � � � � � � � � � � � � � � 19

EN

11�5 Motor fault � � � � � � � � � � � � � � � � � � 20

12 Disinfection and cleaning� � � � � � � � � � � 20

12�1 After every treatment � � � � � � � � � � � 20
12�2 Daily after the end of treatment � � � 20
12�3 Once or twice a week before the

midday break � � � � � � � � � � � � � � � � 21

13 Replace the amalgam collector

vessel � � � � � � � � � � � � � � � � � � � � � � � � � � 21

13�1 Disposal of the collector vessel � � � 22

14 Maintenance� � � � � � � � � � � � � � � � � � � � � 23

14�1 Tests � � � � � � � � � � � � � � � � � � � � � � 24

Troubleshooting

15 Tips for operators and service

technicians � � � � � � � � � � � � � � � � � � � � � � 25

16 Transporting the unit � � � � � � � � � � � � � � 28

16�1 Close CAS 1 � � � � � � � � � � � � � � � � � 28

Appendix

17 Information about EMC in

accordance with EN 60601-1-2 � � � � � � 29

17�1 General information � � � � � � � � � � � � 29
17�2 Abbreviations � � � � � � � � � � � � � � � � 29
17�3 Guidelines and manufacturer's

information � � � � � � � � � � � � � � � � � � 29

2 7117100018L30 1712V002

Important information

1 About this document

These installation and operating instructions
form part of the unit�

If the instructions and information in
these installation and operating instruc­tions are not followed, Dürr Dental will
not be able to offer any warranty or
assume any liability for the safe operation
and the safe functioning of the unit�

1.1 Warnings and symbols

Warnings

The warnings in this document are intended to
draw your attention to possible injury to persons
or damage to machinery�

The following warning symbols are used:

General warning symbol

Biohazard warning

The warnings are structured as follows:

SIGNAL WORD
Description of the type and source of

danger

Here you will find the possible conse­quences of ignoring the warning

i Follow these measures to avoid the

danger�

The signal word differentiates between four
levels of danger:

– DANGER

Immediate danger of severe injury or death

– WARNING

Possible danger of severe injury or death

– CAUTION

Risk of minor injuries

– NOTICE

Risk of extensive material/property damage

Other symbols

These symbols are used in the document and
on or in the unit:

Note, e�g� specific instructions regarding
efficient and cost-effective use of the unit�

Comply with the Operating Instructions�

Wear hand protection�

Switch off and de-energise the unit
(e�g�unplug from mains)�

Hose manifold connection

Spittoon connections

Suction unit connection

Drain connection

Unit in operation

Unit operation interrupted

Audible signal/melody sounds

Do not reuse

CE labelling

Order number

Serial number

Manufacturer

1.2 Copyright information

All names of circuits, processes, names, soft­ware programs and units used in this document
are protected by copyright�

The Installation and Operating Instructions must
not be copied or reprinted, neither in full nor
in part, without written authorisation from Dürr
Dental�

EN

7117100018L30 1712V002 3

Important information

2 Safety

Dürr Dental has designed and constructed this
device so that when used properly and for the
intended purpose there is no danger to people
or property� Nevertheless, residual risks can
remain� You should therefore observe the follow­ing notes�

2.1 Intended purpose

The CAS 1 Combi-Separator is designed for
continuous separation of liquids and air and for
separation of amalgam from the entire waste

EN

water from dental treatment units�

2.2 Intended use

Installation in accordance with the requirements
of the water authorities in the German Federal
States or in accordance with local regulations�

In accordance with the installation regulations of
DIBT Berlin�

The CAS 1 Combi-Separator is designed for the
separation of liquids and air as well as for the
separation of amalgam from the waste water
from a single treatment unit in a dry system�

Installation in dental treatment units and in prac­tice rooms (housing version)� Positioned in the
suction line after the spittoon and manifold�

The minimum volume of waste water that can
be supplied to the unit is 0�1l/min, but must not
exceed 4�0l/min� Here, a separation efficiency
of at least 95%is maintained with amalgam�

A rinsing unit with fresh water can be installed
in the suction line upstream of the Combi-Sep­arator�

Installation, servicing and repairs must only be
performed by qualified personnel specifically
approved and authorized by Dürr Dental�

The disposable amalgam containers must only
be used once�

For surgical treatments and when the
Airflow is being used, the CAS1 Com­bi-Separator requires a rinsing unit to be
installed, which feeds a small amount
of water to the device during aspiration�
This thins any liquid (e�g�saliva, blood)
that occurs so it can be transported
more easily�

The CAS 1 Combi Separator for KaVo treatment
units must be set up in a defined installation
setup in order to meet the relevant safety stand­ards� For this reason it must only be installed
in the treatment units that have been designed
and approved for this purpose by KaVo�

KaVo-approved treatment units:
New units delivered from 01/2016 onwards:

E50, E50 Life, E70/E80, E70/E80 Vision, 1058,
1058 Life

Spare parts requirements for old units such as
1078 and 1080 among others�

2.3 Improper use

Any other usage or usage beyond this scope
is deemed to be improper� The manufacturer
accepts no liability for damages resulting from
this� In these cases the user/operator will bear
the sole risk�

The Combi-Separator must only be used to pro­cess liquids from the oral cavity� It must not be
used for the aspiration of any other substances,
such as dust, sludge, plaster or similar�

Only chemicals and disinfectants that will not
damage the materials, e�g� OrotolPlus or equiv­alent, may be used�

The unit is not suitable for installation down­stream of 2 or more workplaces� The max�
water volume of 4�0l/min must not be
exceeded�

The device must not be run in continuous oper­ation; the braking process after the end of the
run is required in order to keep the centrifuge
drum clean�

The device must not be installed with the drain
higher than the connection piece on the device�

Do not use any risers� All pipes must have a
downward gradient�

Not suitable for wet rooms! Do not use this
device to aspirate flammable or explosive mix­tures� Do not use the unit in a potentially explo­sive environment!

2.4 Systems, connection with other devices

Additional devices connected with medical elec­trical devices must be proven to conform with
their corresponding IEC or ISO standards� All
configurations must continue to comply with the
standard requirements for medical systems (see
IEC 60601-1-1 or section 16 of the 3rdedition
of IEC60601-1 respectively)�

4 7117100018L30 1712V002

Important information

Whoever connects additional devices to med­ical electrical devices automatically becomes
the system configurator and is responsible for
ensuring that the system corresponds with the
standard requirements for systems� Local laws
take priority over the requirements outlined
above�

2.5 General safety information

i When operating this device always observe

all guidelines, laws, and other rules and
regulations that are applicable at the site of
operation�

i Prior to each use, check condition of the

device and make sure it is in perfect working

order�

i Do not convert or modify the units�
i Observe the Installation and Operating

Instructions�

i Make the Installation and Operating Instruc-

tions available to the person operating the

device at all times�

2.6 Qualified personnel

Operation

Persons who operate the units must ensure safe
and correct handling based on their training and
knowledge�

i Instruct or have every user instructed in han-

dling the unit�

Installation and repairs

i Installation, readjustments, alterations,

upgrades and repairs must be carried out by

Dürr Dental or by qualified personnel specifi-

cally approved and authorized by Dürr Dental�

2.7 Protection from electric shock

i When working on the units observe all the rel-

evant electrical safety regulations�

i Never touch the patient and unshielded plug

connections on the device at the same time�

i Immediately replace any damaged lines and

connections�

Observe the EMC rules concerning medical
devices

i Observe specific precautionary measures

relating to electromagnetic compatibility (EMC)

for medical devices, see "17 Information

about EMC in accordance with EN 60601-1-

2"�

2.8 Only use genuine parts

i Only use Dürr Dental parts or accessories and

special accessories specifically approved by
Dürr Dental�

i Only use only genuine working parts and

spare parts�

DÜRR MEDICAL accepts no liability for
damages or injury resulting from the use
of non-approved accessories or special
accessories, or from the use of non-gen­uine working parts or spare parts�

The use of non-approved accessories,
special accessories or non-genuine
working parts / spare parts (e�g�mains
cable) can have a negative effect in terms
of electrical safety and EMC�

2.9 Transport

The original packaging provides optimum pro­tection for the device during transport�

If required, original packaging for the unit can be
ordered from Dürr Dental�

Dürr Dental does not accept any respon­sibility or liability for damage occurring
during transport due to the use of incor­rect packaging, even where the unit is
still under guarantee�

i Only transport the device in its original pack-

aging�

i Keep the packing materials out of the reach

of children�

2.10 Disposal

The unit may be contaminated� Instruct
the company disposing of the waste to
take the relevant safety precautions�

i Decontaminate potentially contaminated parts

before disposing of them�

i Uncontaminated parts (e�g� electronics, plas-

tic and metal parts etc�) should be disposed
of in accordance with the local waste disposal
regulations�

i If you have any questions about the correct

disposal of parts, please contact your dental
trade supplier�

EN

7117100018L30 1712V002 5

1

Product description

3 Overview

EN

1 CAS1 Combi-Separator

3.1 Scope of delivery

The scope of delivery can vary slightly
depending on the version�

The following items are included in the scope of
delivery:

CAS1 . . . . . . . . . . . . . . . . . . . . .7117-100-51

– Combi-Separator
– Replacement disposable amalgam container
– Installation and operating instructions
– Operating Handbook

3.3 Disposable materials

The following materials are consumed during
operation of the device and must be ordered
separately:

Disposable amalgam container � � � 7117-033-00
DürrConnect protective strainer,

5pieces � � � � � � � � � � � � � � � � � � � 0700-700-18E
DürrConnect protective strainer,

5pieces � � � � � � � � � � � � � � � � � � � 0700-700-28E
Orotolplus (2�5 litre bottle) � � � � CDS110P6150
MD550 spittoon bowl cleaner

(750 ml bottle) � � � � � � � � � � � � � � CCS550C4500
MD 555 cleaner (2�5 litre bottle) � CCS555C6150

3.4 Wear parts and spare parts

The following working parts need to be changed
at regular intervals (refer to the "Maintenance"
section):

Bellows � � � � � � � � � � � � � � � � � � � � 7117-420-25E
Service kit (3-year interval) � � � � � � � 7117-980-32
Service kit (5-year interval) � � � � � � � 7117-980-30

Information on spare parts can be found
on the website portal for authorised spe­cialist dealers under:
www�duerrdental�net�

3.2 Special accessories

The following optional items can be used with
the device:

Various installation sets are available on request�
Display panel � � � � � � � � � � � � � � �7805-116-00E
Cable for display panel, 1m � � � � 9000-119-043
Cable for display panel, 3m � � � � 9000-119-042
Station selection valve � � � � � � � � � � 7560-500-60
Station selection valve for CAS1 /

CS1 � � � � � � � � � � � � � � � � � � � � � � � 7560-500-80
Vario rinsing unit � � � � � � � � � � � � � �7100-260-50
OroCup care system � � � � � � � � � � � 0780-350-00
Test vessel � � � � � � � � � � � � � � � � � � 7117-064-00

6 7117100018L30 1712V002

Product description

4 Technical data

4.1 CAS 1 Combi-Separator

Electrical data – centrifuge motor

Nominal voltage V 24 AC
Frequency Hz 50 / 60
Rated power VA 100

Electrical data – electronics

Nominal voltage V 24 AC
Nominal current A 0�2
Signal input from the hose manifold V 24 AC/DC

Media

Air flow volume l/min ≤ 300
Flow rate high
The suction system must be suitable for a high flow rate in accordance with ENISO10637�
Max� pressure hPa/mbar -160
Min� volume of aspiration fluid
max�
Water supply, spittoon l/min ≤ 3
Total flow of waste liquids l/min ≤ 4
Usable volume in amalgam collecting

container ccm c� 90
Replacement interval 4 - 6 months

l/min
l/min

≥ 0�1
≤ 1�0

EN

General data

Drive motor nominal speed rpm 2800
Operating mode S5 95% DC*
Type of protection IP 20
Protection class II
Noise level ** approx� dB(A) 56
Dimensions (H x W x D) mm 255 x 151 x 110
Weight, approx� kg 2�7
Separation rate % ≥ 95
Medical device (class) I

* DC = duty cycle
** Noise levels in acc� with EN ISO 1680 "airborne noise emissions"; measured in a sound-proofed

room� The levels are average values with a tolerance of ±1�5dB(A)� Higher values may be
obtained in rooms with reverberating sound characteristics�

Ambient conditions during storage and transport

Temperature °C -10 to +60
Relative humidity % < 95

Ambient conditions during operation

Temperature °C +10 to +40
Relative humidity % < 70

7117100018L30 1712V002 7

Product description

1

4.2 Type plate

The type plates are located on the cover of the
motor�

EN

1 Type plate

4.3 Conformity assessment

This device has been subjected to conformity
acceptance testing in accordance with the
current relevant European Union guidelines�
This equipment conforms to all relevant require­ments�

4.4 Approvals

Centre of Competence in Civil Engineering,
Berlin

Test number Z-64�1-20

Separation method compliant with stand­ard

ISO 11143 Type 1

8 7117100018L30 1712V002

5 Operation

9a
9b

10
9c

11

12

13

14

15

1

6

Product description

CAS 1

5

2

7

3

4

8

EN

1 Fluid intake
2 Vacuum, to suction unit
3 Aspiration input
4 Fluid output
5 Motor
6 Separation
7 Separation rotor
8 Centrifuge
9 Light barriers (3x)
10 Sensor enclosure
11 Cone pump
12 Amalgam collector vessel
13 Float sensor
14 Fluids
15 Amalgam particles

7117100018L30 1712V002 9

Product description

5.1 Operation

CAS1 Combi-Separator

The task of the CAS1 combi-separator is to
provide continuous separation of secretions and
air as well as the amalgam separation of all the
waste water from the treatment unit�

The waste water flows through the connection
(1) from the spittoon directly into the centrifuge
(8) and amalgam separation�

During the suction phase the aspirated secre­tions are separated from the aspirated air in the
separation unit (6)� The secretions accumulating
in the separation unit are continuously trans-

EN

ported to the centrifuge (8), where the amalgam
particles are then separated�

Underneath the centrifuge is a replaceable
amalgam collector vessel (12), into which the
separated amalgam particles (15) are rinsed
once the centrifuge (8) is switched off� A float
sensor (13) checks the level within the collector
vessel and sends a signal to the display panel
when it needs replacing� In combination with a
light barrier (9c), this float sensor also monitors
whether a collector vessel is in use�

The compact size of the CAS1 Combi-Separa­tor allows it to be installed in dental treatment
units� This results in short secretion carrying
lines� After the centrifuge is switched off, the
braking cycle triggers a self-cleaning process�
This self-cleaning process also leads to smooth
and silent running, as well as providing a sepa­ration efficiency of more than 95%, even under
heaviest loads�

5.2 Separation

At the inlet connection (3) of the CAS1, the
aspirated fluid/air mix is accelerated and set into
a spiral motion in the separation unit (6)� The
resulting centrifugal forces sling the aspirated
particles against the outer wall� The air is contin­uously separated from the fluid and escapes via
the spinning separation rotor (7) to the suction
unit�

The aspirated air is subject to high centrifugal
forces by the separation rotor (7), which is
driven by the motor (1), which ensures that no
fluid or blood foam can be carried into the suc­tion unit�

The spiral motion feeds the separated fluid con­tinuously to the pump wheel, which transports
the fluid into the collector vessel� The fluid is
transported to the centrifuge (8) via a pump
cone (11)�

An external station selection valve connects
the CAS1 with the suction unit via the vacuum
connection (2)�

5.3 Spittoon connections

The waste water from the spittoon flows through
a protective strainer on the fluid inlet (1) and
into the collector vessel (12)� Once sufficient
fluid has been collected, the float sensor (13)
activates a light barrier (9a) and (9b) via a sensor
housing (10) and switches on the motor (1)� The
fluid is transported to the centrifuge (8) via a
pump cone (11)�

5.4 Station selection valve / safety valve

The station selection valve has 2 tasks:
1st task:
The station selection valve interrupts the suction

flow between the hose manifold and the suction
unit� As soon as a suction hose is removed
from the hose manifold, a solenoid valve opens
the station selection valve and suction flow is
enabled�

2nd task:
The station selection valve also acts as a safety

valve� If the CAS1 is over-full or not functioning
properly, the system will perform a safety shut­down� This safety shutdown prevents fluids from
being drawn into the dry suction pipe�

For single station suction systems, the
station selection valve takes over the
function of the safety valve�

In various types, a station selection valve is
already integrated in the CAS1� The station
selection valve is on the connection (2) of the
CAS1�

5.5 Amalgam separation

The switches in the hose manifold or the light
barrier of the sensor system switch on the
motor and the associated centrifuge (8)�

The fluid containing amalgam particles flows
continuously to the collector vessel (12)� The
fluids ejected by the centrifuge are pumped
through the fluid output (4) to the central waste
water system�

10 7117100018L30 1712V002

As soon as no further fluid is fed to the amal­gam separator, e�g� when the suction hose is
placed back in the hose manifold, the centrifuge
drum is switched off after a short delay time�
This switch-off brakes the motor, as a result
of which the ring of water, which continues to
rotate due to inertia, rinses the separated parti­cles out of the centrifuge (8) downwards into the
collector vessel�

The separated amalgam particles form a sed­iment in the replaceable collector vessel� The
level of fluid in the collector is regulated by the
pump cone so that the risk of fluid escaping
when the collector vessel is changed can be
avoided�

5.6 Sediment level measurement

The fill level in the collector vessel (12) is
checked by a float sensor (13) every time the
main power switch is switched on�

The centrifuge motor starts, fluid is transported
via the pump cone to the centrifuge drum (8)
and provides a constant level of fluid (under­side of the cone pump) in the collector vessel�
The float sensor sinks� Two light barriers (9a)
and (9b) measure the fluid level� Once the level
reaches 95% in the collector vessel, this is dis­played on the display panel�

Product description

EN

5.7 Operating problems

If the unit is not ready for operation due to a
fault, this will be indicated on the display panel
via illuminated LEDs and an audible signal�

5.8 Service key

On the display panel there is a service key that
can be used to switch off the audible signal in
the event of a fill level warning or if a fault mes­sage is indicated� This button can also be used
to start the device manually� To do this, press
the button for longer than 2 seconds until the
drive motor starts up�

7117100018L30 1712V002 11

Installation

6 Requirements

6.1 Installation/setup room

The room chosen for set up must fulfil the fol­lowing requirements:

– Closed, dry, well-ventilated room
– Should not be a room made for another pur-

pose (e�g� boiler room or wet cell)

6.2 Setup options

EN

CAS1 Combi-Separator

– Directly in the treatment unit�
– In a special housing in an extension of the

treatment unit�

6.3 Hose materials

For waste connections and suction lines only
use the following hose types:

– Flexible spiral hoses made of PVC with inte-

grated spiral or equivalent hoses

– Hoses that are resistant to dental disinfectants

and chemicals

Plastic hoses will display signs of ageing
over time� Therefore, they should be
inspected regularly and replaced as nec­essary�

The following types of hoses must not be
used:

– Rubber hoses
– Completely PVC hoses
– Hoses that are not sufficiently flexible

6.4 Installation and routeing of hos­es and pipes

i Execute the on-site pipe installation in accord-

ance with the applicable local regulations and
standards�

i Lay the hose installation of the drains to or

from the unit at a sufficient incline�

If incorrectly laid, the hoses can
become blocked with sedimentation�

6.5 Information about electrical connections

i Ensure that electrical connections to the

mains power supply are carried out in accord­ance with current valid national and local reg­ulations and standards governing the installa­tion of low voltage units in medical facilities�

i Install an all-pole disconnect switch with a

contact opening width of at least 3mm in
the electrical connection to the mains power
supply�

i Observe the current consumption of the

devices that are to be connected�

i Install electrical lines without mechanical ten-

sion�

i Make the electrical connection via the main

power switch of the treatment unit or via the
main power switch of the practice�

6.6 Information about connecting cables

Mains supply cable

Installation type Line layout (minimum

requirements)

Fixed installation – Plastic sheathed cable

(e�g� typeNYM-J)

Flexible – PVC flexible line

(e�g�H05VV-F)

or

– Rubber connection

(e�g�H05RN-F or
H05RR-F)

12 7117100018L30 1712V002

Installation

Control cable

Installation type Line layout (minimum

requirements)

Fixed installation – Shielded sheathed cable

(e�g� (N)YM (St)-J)

Flexible – PVC data cable

with shielded cable
sheathing, as used for
telecommunications and
IT processing systems
(e�g� type LiYCY)

or

– Lightweight PVC control

cable with shielded
cable sheathing

Wire cross-section

Unit feed:

– 0�75 mm²

Connection external valves / units:

– 0�5 mm²

7 Installation

Prior to working on the device or in case
of danger, disconnect it from the mains
(e�g� pull the mains plug)�

7.1 Combining devices safely

Take care when connecting units together or to
parts of other systems as there is always an ele­ment of risk (e�g� due to leakage currents)�

i Only connect units when there can be no

question of danger to operator or to patient�

i Only connect units when it is safe to do so

and there is no risk of damage or harm to the
surroundings�

i If it is not 100% clear from the unit data sheet

that such connections can be safely made or
if you are in any doubt, always get a suitably
qualified person (e�g� the manufacturer) to
verify that the setup is safe�

A copy of the system manufacturer‘s
declaration in accordance with Article 12
of Directive 93/42/EEC can be found in
our download section at www�duerrden­tal�com (document no� 9000-461-264)�

EN

7117100018L30 1712V002 13

Installation

1

2

3

4

7.2 Installation of the CAS 1 in treatment units

WARNING
Infection due to contaminated unit

i Clean and disinfect the suction before

working on the unit�

i Wear protective equipment when

working (e�g� impermeable gloves,
protective goggles and mouth and
nose protection)�

Attach the unit vertically at a suitable position

EN

in the treatment unit�The unit is mounted on
rubber pads and suspended in a metal frame�
This mounting arrangement prevents the trans­mission of any vibrations to the treatment unit
while the device is running� Vibrations may
occur if the unit is not positioned vertically� A
minimum distance of 3mm must be maintained
to the surroundings�

Inlet and outlet hoses

Connect and attach the inlet and outlet hoses
with DürrConnect connectors to the relevant
connections on the unit�Route the hoses at an
incline�

Recommended diameter of the connection
hoses: ∅25mm�

The minimum nominal width for the outlet hose
is 15mm�

1 Hose manifold
2 Spittoon
3 Outlet
4 Suction unit

Spittoon connections

In some dental units it is possible that noises
can be heard at the spittoon, which are ampli­fied by the funnel shape of the spittoon itself�
In this case, the outlet between spittoon and

Station selection valve

In various types, the station selection valve is
directly mounted on the CAS1� The station
selection valve (for separate installation) should
be fitted in the suction pipe in the treatment
unit, preferably near the end connection in the
floor socket� In some installation setups the
station selection valve also functions as a safety
valve, so its actuation must be implemented via
the CAS1�

For further information, refer to the station selec­tion valve installation and operating instructions

14 7117100018L30 1712V002

CAS1 should be bled� A corresponding siphon
trap with ventilation is available as a special
accessory�

Rinsing unit

It is recommended that the suction system is
equipped with a rinsing unit, e�g� in the treat­ment unit� The rinsing unit provides a small
amount of water during aspiration� This dilutes
the aspirated fluids (blood, saliva, rinsing water,
etc�), which can then be transported more effec­tively�

For further information, refer to the rinsing unit
installation and operating instructions

Installation

81

B

7.3 Electrical connections, controller

Power supply:

– Safety transformer order number:

A Place selection valve
B Rinsing unit
C Suction unit relay (alternative)
D Display panel, external

9000-150-46

or

– Safety transformer 24VAC with a with an

isolator consisting of two means of patient
protection (MOPP) between the mains circuit
and secondary circuit, min� 100VA, second­ary fuse T4AH (or IEC60127-2/V T4AH,
250V)

H1

X9

M

F1

230V 24V

24V

A

C

X1

H2

X2

X3

X3.1

X3.2

X4

H3
H4

X8 X6

X6A

X7

D

X8

0

7.4 Electrical connections

Station selection valve / safety valve

i Connect the station selection valve / safety

valve using a 2-core wire with connector to
the X3 connection of the control�

Rinsing unit

i Connect the rinsing unit using a 2-core wire

with connector to the X3 connection of the
control�

At the connection for the rinsing unit, a
suction unit relay, forexample, can be
connected if there is no isolation pres­ent between the suction unit signal and
station selection valve in the treatment
unit� Note the power consumption of the
suction unit relay�

Display panel

The display panel is used to indicate
messages acoustically and visually (via
LEDs)�

A display panel is already integrated in the unit
and should be visible/audible at all times�

If the display panel is not visible/audible, fit an
additional display panel in an easily visible loca-

EN

tion� The display panel is connected to the X6

X1 Power supply in accordance with

EN60601-1, 24VAC
X2 Signal input 24VAC/DC
X3�1 Place selection valve / safety valve (only

CAS1, max� output 8W)
X3�2 Rinsing unit (CAS1 only)
X4 CAN bus
X6 Display panel, external (X6A = connection

for predecessor model)

socket (RJ-45 socket)� An existing Dürr Dental
display panel with a 6-pin connector can be
connected to the X6A connector when replacing
an older device�

If the installation of the amalgam separator in a
neighbouring room or in the basement results
in distances of more than 3m, we recommend
installing a shielded network cable with RJ-45
sockets�

X7 Sensor technology
X8 Production interface
X9 Motor
H1 Motor control display
H2 Manifold control display
H3 Place selection valve control display
H4 Control display, collecting container missing

7117100018L30 1712V002 15

Installation

8 Commissioning and first

start-up

In many countries technical medical
products and electrical devices are sub­ject to regular checks at set intervals� The
owner must be instructed accordingly�

i Turn on the unit power switch or the main

surgery switch�

i Carry out an electrical safety check in accord-

ance with applicable local regulations (e�g� the
German Ordinance on the Installation, Oper-

EN

ation and Use of Medical Devices / Medizin­produkte-Betreiberverordnung) and record the
results as appropriate, e�g� in the technical log

book�

i Check the aspiration function�
i Check the start function via the spittoon�
i Check the connections, hoses and device for

leaks�

16 7117100018L30 1712V002

9 Service program

Installation

EN

7117100018L30 1712V002 17

Installation

10 Description of the service

program

Wear protective equipment to avoid any
risk of infection (e�g� liquid-tight pro­tective gloves, protective goggles, face
mask)�

The various unit functions can be checked with
the aid of the service program�

The individual program steps are:

– Display test
– Sediment level measurement

EN

– Motor start and motor braking with rpm check
– Input and output signals

Function of the service key:

– By pressing the service key twice the next

individual program step is called up�
– By pressing the service key once that pro-

gram step is repeated�

A press of the service key is confirmed by an
audible signal�

10.1 Service program ON/OFF

On

– Press the service key and switch on the volt-

age supply to the unit�
– As soon as a signal melody can be heard,

release the service key�

The green, yellow and orange LEDs on the

display panel light up (display test) and the

service program is activated�

Off

Switch off the main supply to the unit�

10.2 Display test

The display test is activated as soon as the ser­vice program is started�
The LEDs on the display panel are checked�
All three LEDs must come on� There is also an
audible signal, which can be switched off by
pressing the service button�

10.3 Sediment level measurement

While the service program is activated,
the safety check for the collector vessel
is deactivated�

The sediment level measurement can be used
to check the function of the sediment sensor
and the function of the LEDs�

Every time the service key is pressed, the sedi­ment level is checked� If a test collector vessel is
used for this, the different levels can be scanned
and made visible on the display panel�

While changing the collectors (collector vessel ­test collector vessel ) in the service program the
unit remains in the ON state�

10.4 Motor start - motor braking

The drive motor starts and, after approx� 5sec­onds, braking is applied� If the service key is
pressed during these 5 seconds, the motor will
immediately be braked�

This procedure can be repeated by pressing the
service key 1x again�

The drive motor starts up�
As a result of the rpm monitoring, the LED will

change from orange to green upon start-up and
from green to orange upon braking�

10.5 Input and output signals

– After this program item is activated, the yellow

LED flashes and a cycled DC voltage (approx�
22-30 V) can be measured at the terminal for
the rinsing unit�

– If the suction hose is lifted off the hose mani-

fold the green LED will also come on�

– Removal of the collecting container causes

the red LED to illuminate�

18 7117100018L30 1712V002

2

3

4

5

6

1

Operation

11 Display/handling

11.3 Amalgam collector vessel is 100% full

Yellow LED is on

Red display flashes

Audible signal melody sounds

– At a fill level of 100% the signal melody can no

longer be switched off by pressing the reset
button�

– The collecting container needs to be replaced�

Wear protective equipment to avoid any
risk of infection (e�g� liquid-tight pro­tective gloves, protective goggles, face
mask)�

1 Display panel
2 RED display
3 GREEN LED
4 Audible signal/melody
5 Reset/service key
6 YELLOW LED

11.1 Ready for operation

Green LED is on

11.2 Amalgam collector vessel is 95% full

Yellow LED is on

Green LED is on

Audible signal melody sounds

– At a fill level of 95%, the signal melody can be

switched off by pressing the reset button� The
device is then ready for operation again�

– The yellow LED comes on as a reminder that

the amalgam collector vessel is due to be
changed� The level display is repeated every
time the unit is switched on at the main power
switch�

We recommend changing the amalgam
collector vessel when it reaches 95% full�

7117100018L30 1712V002 19

– The separator will not be ready for operation

again until the amalgam collecting container
has been replaced

11.4 Amalgam collector vessel not in position

Red display flashes

Audible signal

– Press the reset button briefly to switch off the

audible signal�
– Switch off the device�
– Insert the collecting container�
– Switch on the unit�
– Green LED lights up – "Ready for operation“

If this error message occurs when the
collecting container is correctly inserted,
this indicates that there is a technical
defect – inform your Service Technician�

EN

Operation

11.5 Motor fault

Red display and

green LED flash alternately

Audible signal

– Press the reset button briefly to switch off the

audible signal�

– If the reset button is pressed for longer than 2

seconds the unit can be restarted�

– Green LED lights up – "Ready for operation“

EN

If, after pressing the reset button repeat­edly, the fault report reappears again
each time, this indicates a technical
defect – inform your Service Technician�

12 Disinfection and cleaning

NOTICE
Device malfunctions or damage due
to use of incorrect media

Guarantee claims may become invalid
as a result�

i Do not use any foaming agents, e�g�

household cleaning agents or instru-

ment disinfection agents�

i Do not use abrasive cleaners�
i Do not use agents containing chlo-

rine�

i Do not use any solvents like acetone�

12.1 After every treatment

i Aspirate a glass of cold water through the

large and the small suction hoses� Do this
even if only the small suction hose was actu­ally used during treatment�

Suction through the large suction
hose causes a large amount of air to
be drawn up, thereby considerably
increasing the cleaning effect�

12.2 Daily after the end of treatment

After higher workloads before the midday
break and in the evening

The following are required for disinfection/clean­ing:

– Material-compatible, non-foaming disin-

fection/cleaning agents with Dürr Dental

approval, e�g� Orotol plus�
– Unit care system, e�g� OroCup

i To pre-clean, suck up 2 litres of water with the

care system�

i Aspirate the disinfection/cleaning agent with

the care system�

20 7117100018L30 1712V002

Operation

12.3 Once or twice a week before the midday break

Under harsher conditions (e�g� hard water
or frequent use of prophylaxis powders)
1x daily before the midday break

The following are required for cleaning:

– Material-compatible, non-foaming special

cleaning agents that have been approved by

Dürr Dental, e�g� MD 555 Cleaner
– Unit care system, e�g� OroCup

i To pre-clean, suck up 2 litres of water with the

care system�

i Aspirate the cleaning agent with the care

system�

i Rinse with ca� 2 l water after the application

time�

13 Replace the amalgam

collector vessel

WARNING
Risk of contamination if the amalgam
collector vessel is reused since the
collector vessel is not water-tight.

i Do not use the collector vessel more

than once (disposable item)�

Wear protective equipment to avoid any
risk of infection (e�g� liquid-tight pro­tective gloves, protective goggles, face
mask)�

We strongly recommend that the amal­gam collector vessel should only be
changed in the morning before the start
of work� This will prevent fluid from drip­ping out of the drum while it is being
changed�

i Disconnect all power from the device�
i Remove the full amalgam collecting container

and from the device�

i Pour disinfectant for suction units (e�g� Orotol

plus, 30 ml) into the full amalgam collector
vessel�

i Close and secure the full amalgam collector

vessel using the cap� Observe the markings
on the cap and on the collector vessel�

i Place the securely closed amalgam collector

vessel into its original packaging and seal�

i Insert a new amalgam collector vessel in the

unit and clamp it in position� Only use original
amalgam collector vessels�

i Switch on the power supply� The device is

ready for operation again�

EN

7117100018L30 1712V002 21

Operation

13.1 Disposal of the collector vessel

Used amalgam collector vessels must
not be sent in the post!

Dürr Dental is not a waste management
company and is not allowed by law to
accept any filled amalgam collector ves­sels�

i Arrange to have filled amalgam collector

vessels collected from the surgery by a local
waste management company�

i New amalgam collector vessels should be

EN

ordered from your specialist dental equipment
retailer�

i Document the replacement and legally com-

pliant disposal of the filled waste amalgam
collector vessel in the Operating Handbook�

In some countries the owner is required
to keep an operating handbook� This
operating handbook must document all
maintenance work, service work, checks
and amalgam disposal�

22 7117100018L30 1712V002

Operation

14 Maintenance

All maintenance work must be performed by a qualified expert or by one of our Service Tech­nicians�

Prior to working on the device or in case of danger, disconnect it from the mains (e�g� pull the
mains plug)�

WARNING
Infection due to contaminated unit

i Clean and disinfect the suction before working on the unit�
i Wear protective equipment when working (e�g� impermeable gloves, protective goggles

and mouth and nose protection)�

Maintenance interval Maintenance work

Dependent upon the
level of usage of the
device

Annually i Cleaning of the suction unit in accordance with the operating instruc-

Every 3 years i Replace the rubber grommets on the connections� *

Every 5 years i Replace the centrifuge drum and seal� *

* Only by customer services service technicians�

i Replace the amalgam collecting container when a fill level of 95% or

100% is indicated on the display panel

i Clean or replace protective sieves during replacement of the amalgam

collecting container� At the latest, do this when the suction or draining
power of the device decreases�

tions�

i Clean the float� *
i Replace the bellows� *

i Replace the float� *

i Replace all O-rings (from the replacement parts kit) in the device� *
i Replace the rubber grommets on the connections� *
i Replace the float� *

EN

7117100018L30 1712V002 23

Operation

14.1 Tests

WARNING
Infection due to contaminated unit

i Clean and disinfect the suction before

working on the unit�

i Wear protective equipment when

working (e�g� impermeable gloves,
protective goggles and mouth and
nose protection)�

In some countries the owner is required

EN

to keep an operating handbook� This
operating handbook must document all
maintenance work, service work, checks
and amalgam disposal�

Annual inspection

This inspection should only be carried out by
suitably trained staff�

For inspection, the following are required:

– Test vessel

Work steps to be performed:

i General functional check (e�g� aspiration, spit-

toon inlet)

i Service program

The following measurement times apply to fill
level measurements with a test vessel:

– For a fill level of 95%, the measurement result

is displayed after approx� 30sec, whereby the
drive motor is briefly switched off during the
measurement�

– At a fill level of 100% the measurement result

is displayed after approx� 90sec continuous
running�

Work steps to be performed:

i Fill the test vessel with water and insert it into

the unit�

i Start the device and wait until it switches off

again�

i Once the device has switched off, remove

the test vessel and measure the remaining
amount of water�

The unit is working correctly if:

– there is at minimum content of 140ml in the

test vessel�

If there is less fluid, clean the centrifuge drum or
check the operation of the unit�

Inspection of the general operating condition
every 5 years

This inspection must be carried out every 5
years (in accordance with the German Waste
Water Regulations, Annex 50, Dental Treatment)
by an inspector in accordance with national
regulations�

For inspection, the following are required:

– Test vessel
– Measuring beaker

24 7117100018L30 1712V002

3

5

6

1

Troubleshooting

15 Tips for operators and service technicians

Any repairs above and beyond routine maintenance must only be carried out by suitably quali­fied personnel or by one of our service technicians�

WARNING
Infection due to contaminated unit

i Clean and disinfect the suction before working on the unit�
i Wear protective equipment when working (e�g� impermeable gloves, protective goggles

and mouth and nose protection)�

Prior to working on the device or in case of danger, disconnect it from the mains (e�g� pull the
mains plug)�

2

4

EN

1 Display panel
2 RED display
3 GREEN LED
4 Audible signal/melody
5 Reset/service key
6 YELLOW LED

Fault Probable cause Solution
Device not "ready for

operation"
No display on the display

panel.

7117100018L30 1712V002 25

The main power switch of the
treatment unit or surgery is not
switched on

If an external display panel is
fitted: cable not correctly con­nected

i Main power switch ON

i Check cable connections

Troubleshooting

Fault Probable cause Solution
Yellow display is on

GREEN LED illuminates
Audible signal melody

sounds

Yellow display is on
Red display flashes
Audible signal melody

sounds

EN

The RED and GREEN dis­plays flash alternately

Audible signal

Orange LED flashes
Audible signal

Water accumulating in the
spittoon

Suction power too weak or
interrupted

Device running continu­ously

Noise at the spittoon Outlet ineffective or not vented i Check or retrofit the ventilation� *

Amalgam collecting container is

95% full

Float sensor dirty or blocked i If this display occurs repeatedly

Amalgam collecting container is

100% full

Float sensor dirty or blocked i If this display occurs repeatedly

Waster water line/siphon trap

dirty

Motor is dirty or defective i Check motor for smooth run-

Contact problems at X9 i Plug in the connector correctly� *

Amalgam collecting container not

correctly in position

Float sensor missing i Insert the float sensor� *

Coarse sieve in the fluid inlet

blocked

Outlet ineffective or not vented i Check or retrofit the ventilation� *

Coarse sieve is blocked on the

inlet of the aspiration

Place selection valve not or

incompletely open

Float sensor blocked in water

start position

Start signal at the signal input (X2) i Check the control voltage� *

Waster water line/siphon trap

dirty

i Change the amalgam collecting

container�

even when the collecting con­tainer is empty, check that the
float sensor can move freely�

i Change the amalgam collecting

container� Audible signal can no
longer be switched off�

even when the collecting con­tainer is empty, check that the
float sensor can move freely�

i Clean the waste water line/si-

phon trap� *

ning; replace the centrifuge if
necessary� *

i Replace the device� *

i Replace the PCB main board

and connector on the motor� *

Press the service key briefly to
switch off the audible signal

i Switch OFF the device�
i Insert the amalgam collecting

container in the correct position�

i Switch ON the device�

i Clean the coarse sieve�

i Clean the coarse sieve�

i Check the control voltage� *
i Clean the place selection valve�

*

i Clean the float� *
i Free up the float sensor linkage

so that it can move freely� *

i Clean the waste water line/si-

phon trap� *

26 7117100018L30 1712V002

Fault Probable cause Solution
Increased vibration of the

device

Water cannot be pumped
away or only insufficiently

* Only by customer services service technicians�

Pump cone dirty i Clean or replace the pump

Centrifuge dirty i Clean or replace the centrifuge� *
Water supply too low i Introduce water into the suction

Centrifuge dirty i Clean or replace the centrifuge
Waster water line/siphon trap

dirty

cone� *

pipe�

i Retrofit the rinsing unit� *
i Check the rinsing unit for its

correct installation position� *

i Check the function of the rinsing

unit� *

i Clean the waste water line/

siphon trap

Troubleshooting

EN

7117100018L30 1712V002 27

Troubleshooting

16 Transporting the unit

WARNING
Infection due to contaminated unit

i Disinfect the unit before transport�
i Close all media connections�

Wear protective equipment to avoid any
risk of infection (e�g� liquid-tight pro­tective gloves, protective goggles, face
mask)�

i Before disassembly, clean and disinfect the

suction unit and the unit using a suitable disin-

EN

fectant approved by Dürr Dental�

i Disinfect a defective unit using a suitable sur-

face disinfection agent�

i Seal all connections with sealing caps�
i Pack the unit securely in preparation for trans-

port�

16.1 Close CAS 1

2

1

21

1 Dummy bushing
2 Ring clamp

28 7117100018L30 1712V002

Appendix

17 Information about EMC in accordance with EN 60601-1-2

17.1 General information

The information in this leaflet includes excerpts from the relevant European standards for electrical,
medical devices� It must be observed when installing Dürr Dental devices or combining them with
products of other manufacturers� If you are uncertain about anything, please refer to the complete
standard�

17.2 Abbreviations

EMC Electromagnetic compatibility
HF High frequency
U

T

V

1

E

1

P Rated power of the transmitter in Watts (W) in accordance with the specifications of the

d Recommended safety distance in metres (m)

17.3 Guidelines and manufacturer's information

Electromagnetic emissions for all devices and systems

The device is designed for operation in an electromagnetic environment as specified below� The cus­tomer or operator of the device should ensure that the device is operated in such an environment�

Interference emission
measurements

HF emissions in accord­ance with CISPR11

HF emissions in accord­ance with CISPR11

Harmonics in acc� with
IEC61000-3-2

Voltage fluctuations/flickers
in acc� with IEC61000-3-3

Rated voltage of the device (supply voltage)

, V2Compliance level for the test in acc� with IEC61000-4-6

Compliance level for the test in acc� with IEC61000-4-3

transmitter manufacturer

Compli­ance

Group 1 The separator uses HF energy exclusively for internal

Class B The separator is suitable for use in all facilities including

Class A

Compliant

Electromagnetic environment - guidelines

functions� For this reason, HF emissions are very low
and it is unlikely that any interference will be caused to
neighbouring electronic devices�

those in living areas and areas that are directly con­nected to the public mains electricity supply which also
supply buildings used for residential purposes�

EN

7117100018L30 1712V002 29

Appendix

Resistance to electromagnetic interference (immunity) for all devices and systems

The device is designed for use in electromagnetic environments specified below� The customer or
operator of the device should ensure that the device is operated such an environment�

Interference immu­nity tests

Electrostatic dis­charge (ESD) in acc�
with IEC61000-4-2

IEC 60601 - test
level

±8kV contact dis­charge

±2; 4; 8; 15kV air
discharge

Compliance level Electromagnetic environment

- guidelines

±8kV contact dis­charge

±2; 4; 8; 15kV air
discharge

Floors should be made of wood
or cement, or covered with
ceramic tiles� If the floor is cov­ered by synthetic material, then
the relative humidity must be at
least 30%�

Electrical fast tran-

EN

sient/burst immunity
test in accordance
with IEC61000-4-4

Voltage surge in
accordance with
IEC61000-4-5

±2kV for mains
cables

±1kV for input and
output cables

±0,5; 1kV voltage
outer conduc­tor-outer conductor

±2kV for mains
cables

±1kV for input and
output cables

±0�5; 1kV symmetri­cal voltage

The quality of the supply voltage
should correspond to a typical
commercial or hospital environ­ment�

The quality of the supply voltage
should correspond to a typical
commercial or hospital environ­ment�

Voltage drops, short­term interruptions
and fluctuations of
the supply voltage
in accordance with
IEC61000-4-11

(> 95%

< 5% U

T

drop in UT) for 1/2
period

70% U

(30% drop

T

in UT) for 25 periods
< 5% U

(> 95%

T

drop in UT) for 5 s

(> 95%

< 5% U

T

drop in UT) for 1/2
period

70% U

(30% drop

T

in UT) for 25 periods
< 5% U

(> 95%

T

drop in UT) for 5 s

The quality of the supply voltage
should correspond to a typical
commercial or hospital envi­ronment� If the operator of the
device needs the unit to con­tinue working even if the mains
power supply is interrupted,
we recommend powering the
device from an uninterruptible
power supply (UPS) or from a
battery�

Magnetic field for
a supply frequency
(50/60Hz) in
accordance with
IEC61000-4-8

30 A/m 30 A/m The magnetic fields at electrical

frequency should be within the
range of typical values encoun­tered in a commercial or hospi­tal environment�

Table 1: Resistance to electromagnetic interference (immunity) for all devices and systems

30 7117100018L30 1712V002

Appendix

Electromagnetic interference immunity for devices or systems that are not life-sustaining

Portable and mobile communication devices should not be used any closer to the unit (including
cables) than the recommended safety distance, which is calculated based on the applicable formula
for the transmission frequency�

Interference
immunity tests

Conducted HF
disturbance

IEC 60601 - test
level

3V

150kHz to

eff

80MHz

Compliance

Recommended safety distance

level

[V1] = 3 V d = 1�2 ⋅ √P

variables in
accordance with
IEC61000-4-6

Emitted HF distur­bance variables in
accordance with

3 V/m 80MHz to
2�5GHz

] = 3 V/m d = 1�2 ⋅ √P for 80 MHz to 800 MHz

[E

1

d = 2�3 ⋅ √P for 800 MHz to 2�5 GHz

IEC61000-4-3

EN

P Rated power of the transmitter in Watts (W) in accordance with the specifications of the

transmitter manufacturer

d Recommended safety distance in metres (m)

The field strength of stationary communication devices should be lower than the compli­ance level for all frequencies based on inspections on sitea�

b

Interference is possible in the environment of units that have the following symbols�

Comment 1 The higher frequency range applies for 80 MHz and 800 MHz�
Comment 2 These guidelines may not apply in all cases� The propagation of electromagnetic

radiation is affected by absorption and reflection on the building, objects and
people�

a

The field strength of stationary transmitters, such as the base stations of mobile phones and land
mobile radios, amateur radio stations, AM and FM radio and television broadcasters, for example,
cannot be accurately predicted� In order to determine the electromagnetic environment with regard to
stationary transmitters, a study of electromagnetic phenomena at the site should be considered� If the
measured field strength at the location where the unit is used exceeds the compliance levels stated
above, the unit should be monitored to verify that it works as intended� If unusual performance char­acteristics are observed additional measures may be required, such as a changing the orientation of
the unit or moving it to a different location�

b

Over the frequency range of 150 kHz to 80 MHz, the field strength should be less than [V1] V/m�

7117100018L30 1712V002 31

Appendix

Recommended safety distance between portable and mobile HF communication devices and
the unit

The device is designed for use in the electromagnetic environments specified below, in which the HF
disturbance variables are controlled� The customer or the operator of the device can help to prevent
electromagnetic interference by maintaining the minimum distances between mobile HF communica­tion equipment (transmitters) and the device as recommended below in accordance with the maxi­mum output line of the communication equipment�

Keep a minimum distance of 30 cm between the device and mobile communication devices�

Rated power of the
transmitter (W)

EN

0�1 0�38 0�38 0�73
1 1�2 1�2 2�3
10 3�8 3�8 7�3
100 12 12 23

Table 2: Recommended safety distance between portable and mobile HF communication devices
and the unit

For transmitters whose maximum rated power is not specified in the table shown above, the rec­ommended safety distance d in metres (m) can be determined from the formula that belongs to the
respective column where P is the maximum rated power of the transmitter in watts (W) in accordance
with the specifications of the transmitter manufacturer�

Comment 1 The higher frequency range applies for 80 MHz and 800 MHz�
Comment 2 These guidelines may not apply in all cases� The propagation of electromagnetic

waves is affected by absorption and reflection on the building, objects and
people�

Safety distance based on the transmission frequency (m)

150 kHz to 80 MHz
d = 1.2 ⋅√P

80 MHz to 800 MHz
d = 1.2 ⋅√P

800 MHz to 2.7 GHz
d = 2.3 ⋅√P

32 7117100018L30 1712V002

Hersteller/Manufacturer:

DÜRR DENTAL SE
Höpfigheimer Str. 17
74321 Bietigheim-Bissingen
Germany
Fon: [phone]
www.duerrdental.com
[e-mail]