Sirona DAC UNIVERSAL User manual

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Dear Customer, Sirona Dental A/S
Operating Instructions DAC UNIVERSAL
Dear Customer,
Thank you for purchasing a DAC UNIVERSAL unit.
DAC UNIVERSAL cleans, oils and sterilizes / disinfects 6 instruments
automatically. Wrapped and solid instruments can also be sterilized in
next to no time and are therefore back in action quickly. DAC
UNIVERSAL saves you time-consuming manual reprocessing and
reliably protects you and your patients from cross-contamination.
These operating Instructions are designed to assist you prior to initial use
and whenever you require information later on. It is important to observe
all safety information to prevent personal injury and material damage.
Please follow the instructions below for care and cleaning of the DAC
UNIVERSAL.
We wish you a great deal of success and enjoyment with DAC
UNIVERSAL.
Your DAC UNIVERSAL team

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Sirona Dental A/S Table of Contents
Operating Instructions DAC UNIVERSAL
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Table of Contents
1General Information................................................................................................. 9
1.1 Contact information ...................................................................................... 9
1.2 General notes............................................................................................... 9
1.3 Versions of the DAC UNIVERSAL ............................................................... 10
1.4 CD "User E-Guide" DAC UNIVERSAL......................................................... 10
1.5 Other valid documents ................................................................................. 10
1.6 Structure of the document ............................................................................ 11
1.6.1 Identification of the danger levels.................................................... 11
1.6.2 Formats and symbols used ............................................................. 11
1.7 Warranty and liability .................................................................................... 12
1.8 Intended use................................................................................................. 13
1.9 Contraindications.......................................................................................... 13
1.10 Scope of delivery.......................................................................................... 14
2Safety instructions ................................................................................................... 15
2.1 Electrostatic discharge ................................................................................. 15
2.2 Caution symbols on the device .................................................................... 17
2.3 Flammable materials .................................................................................... 18
2.4 Reducing the risk of burns............................................................................ 18
2.5 Instruction of practice personnel .................................................................. 19
2.6 Installation site.............................................................................................. 19
2.7 Maintenance................................................................................................. 19
3Product description.................................................................................................. 20
3.1 Functions...................................................................................................... 20
3.1.1 Functions with the STANDARD lid .................................................. 20
3.1.2 Functions with the BASKET lid........................................................ 22
3.1.3 Functions with the WRAPPED lid.................................................... 23
3.1.4 Functions with the FLEX lid............................................................. 24
3.2 Controls and functional elements of the DAC UNIVERSAL ......................... 26
3.2.1 Overview of the DAC UNIVERSAL ................................................. 26
3.2.1.1 Overview DAC UNIVERSAL ADVANCED........................ 26
3.2.1.2 Overview DAC UNIVERSAL STANDARD........................ 27
3.2.2 Lid.................................................................................................... 28
3.2.3 Display and key pad ........................................................................ 29
3.2.3.1 Display and keyboard DAC UNIVERSAL ADVANCED .... 29
3.2.3.2 Display and keyboard DAC UNIVERSAL STANDARD .... 30

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Table of Contents Sirona Dental A/S
Operating Instructions DAC UNIVERSAL
3.2.4 Back of unit ...................................................................................... 31
3.2.5 Safety ring ........................................................................................ 32
3.2.6 Water tank with sieve ....................................................................... 32
3.2.7 NitramOil #2 lubrication concentrate ................................................ 33
3.3 Programs and program selection .................................................................. 33
3.4 Technical data............................................................................................... 35
3.5 Presentation of the sterilization process ....................................................... 37
3.6 Electromagnetic compatibility........................................................................ 44
3.6.1 Electromagnetic emission ................................................................ 44
3.6.2 Interference immunity....................................................................... 45
3.6.3 Working clearances.......................................................................... 47
3.7 Safety devices............................................................................................... 48
3.8 Transport....................................................................................................... 48
4Installation ................................................................................................................ 49
4.1 Requirements of the location / Ambient conditions ....................................... 49
4.2 Installation of DAC UNIVERSAL connections ............................................... 49
4.2.1 Power supply.................................................................................... 50
4.2.2 Compressed air connection ............................................................. 50
4.2.3 Water connection ............................................................................. 50
4.2.3.1 Permanent water connection............................................. 51
4.2.3.2 Manual filling of the water tank.......................................... 51
4.2.4 Waste water connection................................................................... 51
4.2.4.1 Connecting the waste water tank ...................................... 52
4.2.4.2 Connecting the siphon....................................................... 52
4.3 Using the lubrication concentrate .................................................................. 53
4.4 Mounting adapters ........................................................................................ 53
4.4.1 Mounting adapters on the STANDARD lid ....................................... 53
4.4.2 Mounting adapters on the FLEX lid.................................................. 54
4.5 Setting the display language on the DAC UNIVERSAL STANDARD ........... 55
4.6 Connecting to a documentation device ......................................................... 56
4.6.1 Connecting to a documentation device DAC UNIVERSAL
ADVANCED
57
4.6.2 Connecting to a documentation device DAC UNIVERSAL
STANDARD
58
4.7 Validation ...................................................................................................... 58
5Operation DAC UNIVERSAL ADVANCED............................................................... 59
5.1 Regular activities........................................................................................... 59
5.1.1 Pre- and post-reprocessing of instruments ...................................... 59
5.1.2 Checking the reprocessing result with an indicator / PCD test device 59

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5.1.2.1 Testing with a chemical indicator...................................... 60
5.1.2.2 Testing with a PCD process challenge device ................. 64
5.1.2.3 Testing with a protein residue test.................................... 66
5.1.3 Adding/replacing the lubrication concentrate .................................. 66
5.1.4 Pumping lubrication concentrate through the system ..................... 68
5.1.5 Filling the water tank ....................................................................... 69
5.1.6 Pumping water through the system................................................. 69
5.2 Using the menu and display information DAC UNIVERSAL ADVANCED ... 70
5.2.1 Display information DAC UNIVERSAL ADVANCED....................... 71
5.2.2 Menu system DAC UNIVERSAL ADVANCED ................................ 77
5.2.2.1 Menu overview DAC UNIVERSAL ADVANCED .............. 77
5.2.2.2 Navigation in the menu structure DAC UNIVERSAL
ADVANCED
83
5.2.2.3 Menu options DAC UNIVERSAL ADVANCED ................. 83
5.2.3 Standard settings and Resetting the menu DAC UNIVERSAL
ADVANCED
94
5.2.4 Symbol definitions DAC UNIVERSAL ADVANCED ........................ 95
5.3 Reprocessing with the DAC UNIVERSAL ADVANCED ............................... 98
5.3.1 Switching ON/OFF/Standby mode DAC UNIVERSAL ADVANCED 98
5.3.2 Reprocessing with the STANDARD lid DAC UNIVERSAL
ADVANCED
99
5.3.2.1 General placement of instruments DAC UNIVERSAL
ADVANCED
99
5.3.2.2 Start cycle on the STANDARD lid DAC UNIVERSAL
ADVANCED
100
5.3.3 Reprocessing with the BASKET lid DAC UNIVERSAL ADVANCED 104
5.3.3.1 Start cycle on the BASKET lid DAC UNIVERSAL
ADVANCED
104
5.3.4 Reprocessing with the WRAPPED lid DAC UNIVERSAL
ADVANCED
110
5.3.4.1 Start cycle on the WRAPPED lid DAC UNIVERSAL
ADVANCED
111
5.3.5 Reprocessing with the FLEX lid DAC UNIVERSAL ADVANCED ... 115
5.3.5.1 General placement of instruments DAC UNIVERSAL
ADVANCED
115
5.3.5.2 Start cycle on the FLEX lid DAC UNIVERSAL
ADVANCED
117
6Cleaning and maintanance DAC UNIVERSAL ADVANCED................................... 121
6.1 Checking oil supply to the chamber of the DAC UNIVERSAL ADVANCED 122
6.2 Checking water supply to the chamber of the DAC UNIVERSAL
ADVANCED
122
6.3 Checking water supply to the lids of the DAC UNIVERSAL ADVANCED.... 123

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Operating Instructions DAC UNIVERSAL
6.4 Checking oil supply to the STANDARD lid of the DAC UNIVERSAL
ADVANCED
124
6.5 Drain the water tank of the DAC UNIVERSAL ADVANCED ......................... 125
6.5.1 Drain the water tank via the menu ................................................... 125
6.5.2 Drain the water tank via a hose........................................................ 126
6.6 Cleaning the water tank ................................................................................ 128
6.7 Cleaning the drain filter ................................................................................. 130
6.8 Remove and clean the drain tank ................................................................. 131
6.9 Checking the adapters and the respective O-rings ....................................... 133
6.10 Cleaning the empty chamber of the DAC UNIVERSAL ADVANCED ........... 134
6.11 Cleaning the housing of the unit.................................................................... 136
6.12 Cleaning the lids............................................................................................ 136
6.13 Checking the safety ring of the DAC UNIVERSAL ADVANCED................... 137
6.14 Changing the drain filter ................................................................................ 138
6.15 Changing the O-rings on the adapters .......................................................... 139
6.16 Biennial Service ............................................................................................ 139
7Display messages DAC UNIVERSAL ADVANCED ................................................. 140
7.1 Display messages and what they mean DAC UNIVERSAL ADVANCED..... 142
7.2 Errors without a message ............................................................................. 151
7.3 Reset DAC UNIVERSAL ADVANCED.......................................................... 152
8Operation DAC UNIVERSAL STANDARD............................................................... 153
8.1 Regular activities........................................................................................... 153
8.1.1 Pre- and post-reprocessing of instruments ...................................... 153
8.1.2 Checking the reprocessing result with an indicator / PCD test device 153
8.1.2.1 Testing with a chemical indicator ...................................... 154
8.1.2.2 Testing with a PCD process challenge device .................. 158
8.1.2.3 Testing with a protein residue test..................................... 160
8.1.3 Adding/replacing the lubrication concentrate ................................... 160
8.1.4 Pumping lubrication concentrate through the system ...................... 162
8.1.5 Filling the water tank ........................................................................ 163
8.1.6 Pumping water through the system.................................................. 163
8.2 Using the menu and display information DAC UNIVERSAL STANDARD .... 164
8.2.1 Display information DAC UNIVERSAL STANDARD........................ 164
8.2.2 Menu system DAC UNIVERSAL STANDARD ................................. 165
8.2.2.1 Navigation in the menu structure DAC UNIVERSAL
STANDARD
165
8.2.2.2 Menu overview DAC UNIVERSAL STANDARD ............... 166
8.2.3 Standard settings and Resetting the menu system DAC
UNIVERSAL STANDARD
169

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Sirona Dental A/S Table of Contents
Operating Instructions DAC UNIVERSAL
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8.2.4 Omitting parts of cycles DAC UNIVERSAL STANDARD ................ 169
8.3 Reprocessing with DAC UNIVERSAL STANDARD ..................................... 171
8.3.1 Switching ON/OFF/Standby mode DAC UNIVERSAL STANDARD 171
8.3.2 Reprocessing with the STANDARD lid DAC UNIVERSAL
STANDARD
172
8.3.2.1 General placement of instruments DAC UNIVERSAL
STANDARD
172
8.3.2.2 Start cycle on the STANDARD lid DAC UNIVERSAL
STANDARD
174
8.3.3 Reprocessing with the BASKET lid DAC UNIVERSAL STANDARD 177
8.3.3.1 Start cycle on the BASKET lid DAC UNIVERSAL
STANDARD
177
8.3.4 Reprocessing with the WRAPPED lid DAC UNIVERSAL
STANDARD
182
8.3.4.1 Start cycle on the WRAPPED lid DAC UNIVERSAL
STANDARD
183
8.3.5 Reprocessing with the FLEX lid DAC UNIVERSAL STANDARD.... 187
8.3.5.1 General placement of instruments DAC UNIVERSAL
STANDARD
187
8.3.5.2 Start cycle on the FLEX lid DAC UNIVERSAL
STANDARD
188
9Cleaning and maintenance DAC UNIVERSAL STANDARD ................................... 192
9.1 Checking oil supply to the chamber of the DAC UNIVERSAL STANDARD. 193
9.2 Checking water supply to the chamber of the DAC UNIVERSAL
STANDARD
193
9.3 Checking water supply to the lids of the DAC UNIVERSAL STANDARD .... 194
9.4 Checking oil supply to the STANDARD lid of the DAC UNIVERSAL
STANDARD
195
9.5 Drain the water tank of the DAC UNIVERSAL STANDARD ........................ 196
9.5.1 Drain the water tank via the menu................................................... 196
9.5.2 Drain the water tank via a hose....................................................... 197
9.6 Cleaning the water tank................................................................................ 198
9.7 Cleaning the drain filter ................................................................................ 201
9.8 Remove and clean the drain tank................................................................. 202
9.9 Checking the adapters and the respective O-rings ...................................... 204
9.10 Cleaning the empty chamber of the DAC UNIVERSAL STANDARD........... 205
9.11 Cleaning the housing of the unit................................................................... 207
9.12 Cleaning the lids........................................................................................... 207
9.13 Checking the safety ring of the DAC UNIVERSAL STANDARD .................. 208
9.14 Changing the drain filter ............................................................................... 209
9.15 Changing the O-rings on the adapters ......................................................... 210

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Operating Instructions DAC UNIVERSAL
9.16 Biennial Service ............................................................................................ 210
10 Display messages DAC UNIVERSAL STANDARD ................................................. 211
10.1 Display messages and what they mean DAC UNIVERSAL STANDARD..... 212
10.2 Errors without a message ............................................................................. 216
10.3 Reset DAC UNIVERSAL STANDARD .......................................................... 217
11 Accessories .............................................................................................................. 218
11.1 Adapters for the STANDARD lid ................................................................... 219
11.1.1 Attaching instruments to the respective STANDARD lid adapters... 220
11.1.1.1 ISO/INTRAmatic and Osada HL-C adapter....................... 220
11.1.1.2 Adapter for KaVo MULTIflex ............................................. 221
11.1.1.3 Adapter for contra-angle handpiece head......................... 222
11.1.1.4 Adapter for W&H Roto Quick ............................................ 223
11.1.1.5 Adapter for Sirona quick coupling R/F/B ........................... 224
11.1.1.6 Adapter for Sirona T1 CLASSIC/TE .................................. 225
11.1.1.7 Bien Air UNIFIX adapter.................................................... 226
11.1.1.8 Adapter for Castellini CERAMIC FREEDOM .................... 227
11.1.1.9 Adapter for NSK PTL......................................................... 228
11.1.1.10Adapter for NSK QDJ........................................................ 229
11.1.1.11Midwest/ISO 4/5-hole fixed connection adapter................ 230
11.1.1.12Adapter for Borden 2/3-hole fixed connection ................... 231
11.1.1.13Adapter for Morita Alpha ................................................... 232
11.1.1.14Adapter for Morita CP4 ..................................................... 233
11.1.1.15Adapter for Osada OFJ ..................................................... 234
11.1.1.16Adapter for Yoshida QUICK JOINT................................... 235
11.1.1.17EMS Ultrasonic Scaler without light adapter ..................... 236
11.1.1.18Adapter for EMS ultrasonic scaler with light...................... 237
11.2 Adapters for the FLEX lid .............................................................................. 238
11.2.1 Attaching instruments to the respective FLEX lid adapters.............. 238
11.2.1.1 Adapter Scaler tips ............................................................ 238
11.2.1.2 Adapter Scaler TL ............................................................. 239
11.2.1.3 Adapter Scaler L................................................................ 239
11.2.1.4 Adapter Sprayvit................................................................ 240
11.2.1.5 Adapter Sprayvit 4000....................................................... 240
11.3 NitraClean cleaning tablet ............................................................................. 241
11.4 Printer............................................................................................................ 242
12 Consumables, spare parts, and tools....................................................................... 245
13 Disposal.................................................................................................................... 247

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Sirona Dental A/S 1General Information
Operating Instructions DAC UNIVERSAL 1.1Contact information
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1General Information
1.1 Contact information
Contact information_Sirona
Customer Service Center For technical questions, use the contact form on the Internet at
www.sirona.com. Follow the menu items "CONTACT" / "Customer
Service Center" and click on the "CONTACT FORM FOR TECHNICAL
INQUIRIES" button.
You can call our Customer Service Center at:
+49 (0)6251/16-1670
Manufacturer Sirona Dental A/S
Rho 10
DK-8382 Hinnerup
Denmark
www.sirona.com
For a list of technical service locations, please refer to our website:
www.sirona.com/en/contact/dealer-search/
1.2 General notes
Observe theOperating Instructions
Observe the Operating Instructions Please familiarize yourself with the unit by reading through these
Operating Instructions before putting it into operation. It is essential that
you comply with the specified warning and safety information.
Keep documents safe Always keep the Operating Instructions handy in case you or another
user require(s) information at a later point in time. Save the Operating
Instructions on the PC or print them out.
If you sell the unit, make sure that the Operating Instructions are included
with it either as a hard copy or on an electronic storage device so that the
new owner can familiarize himself with its functions and the specified
warning and safety information.
Homepage_Sirona
Online portal for technical documents We have set up an online portal for the Technical Documents at http://
www.sirona.com/manuals. There, you can download these operating
instructions and further documents. Please complete the online form if
you would like a hard copy of a particular document. We will then be
happy to send you a printed copy free of charge.
Help If you reach an impasse despite having thoroughly studied the Operating
Instructions, please contact your dental depot.

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1General Information Sirona Dental A/S
1.3Versions of the DAC UNIVERSAL Operating Instructions DAC UNIVERSAL
1.3 Versions of the DAC UNIVERSAL
Versions_Siro na_Nitram without Ja pan
This manual covers 2 different versions of the DAC UNIVERSAL. These
versions have different user interfaces and are operated differently.
Please check the serial number of your machine, in order to be able to
know which type you have. The serial number is located on the back of
the DAC UNIVERSAL.
The DAC UNIVERSAL with a graphical user interface carries serial
numbers above 500.000.
These autoclaves are in this manual known as the DAC UNIVERSAL
ADVANCED.
The DAC UNIVERSAL with a text display carries serial numbers below
500.000.
These autoclaves are in this manual known as the DAC UNIVERSAL
STANDARD.
1.4 CD "User E-Guide" DAC UNIVERSAL
A "User E-guide" CD is included with DAC UNIVERSAL that contains all
operating instructions and important technical information.
1.5 Other valid documents
DAC UNIVERSAL includes other separate documents. The instructions
as well as any warning and safety information contained therein must also
be observed:
Addition al documents_Sirona w ithout Japan REF
Check & Clean 65 33 033
65 46 431
Brief operating instructions 65 37 588
65 46 480
Installation instructions 65 52 678

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Sirona Dental A/S 1General Information
Operating Instructions DAC UNIVERSAL 1.6Structure of the document
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1.6 Structure of the document
1.6.1 Identification of the danger levels
To prevent personal injury and material damage, please observe the
warning and safety information provided in these operating instructions.
Such information is highlighted as follows:
Tip: Information on making work easier.
1.6.2 Formats and symbols used
The formats and symbols used in this document have the following
meaning:
DANGER
An imminent danger that could result in serious bodily injury or death.
WARNING
A possibly dangerous situation that could result in serious bodily injury
or death.
CAUTION
A possibly dangerous situation that could result in slight bodily injury.
NOTICE
A possibly harmful situation which could lead to damage of the product
or an object in its environment.
IMPORTANT
Application instructions and other important information.
Prerequisite
1. First action step
2. Second action step
or
➢Alternative action
Result
➢Individual action step
Prompts you to do something.
See "Formats and symbols
used [ → 11]"
Identifies a reference to another text
passage and specifies its page
number.
● List Designates a list.
"Command / menu item" Indicates commands, menu items or
quotations.

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1General Information Sirona Dental A/S
1.7Warranty and liability Operating Instructions DAC UNIVERSAL
1.7 Warranty and liability
The manufacturer guarantees that the product delivered to you (DAC
UNIVERSAL) was subjected to a thorough quality test before it left the
factory.
A warranty period of 12 months is given for DAC UNIVERSAL starting on
the day it is delivered. The warranty covers production and material
defects and includes both replacement parts and work.
Warranty
The warranty does not cover defective products
● That were serviced by service technicians not authorized by the
manufacturer
● If non-original spare parts have been used
● That were handled improperly or damaged in transport
● That were used in a manner other than described in the operating
instructions
● For which the prescribed maintenance was not carried out
● That no longer function because water conductivity exceeded
3.0 mS/cm.
The manufacturer retains the right to make changes/improvements of all
kinds to the product manufactured or sold by the manufacturer without
being obligated to apply these changes to products that were
manufactured or sold by the manufacturer before this time.
Exclusion of liability
The manufacturer assumes no liability whatsoever in cases involving:
● Service or repairs made by other persons who are not authorized by
the manufacturer or dealer
● Use of the DAC UNIVERSAL that does not comply with its intended
use
● Use of non-original components or parts that are not included in
"Accessories [ → 218]"
● Infections or cross-contamination caused by unwrapped sterilized
instruments for treatments that require sterile instruments (e.g.
invasive treatment)
● Instruments already damaged before reconditioning

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Sirona Dental A/S 1General Information
Operating Instructions DAC UNIVERSAL 1.8Intended use
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1.8 Intended use
The DAC UNIVERSAL is intended to clean, lubricate and steam sterilize
dental handpieces. Dental handpieces is defined as rotating instruments
split up into the categories straight handpieces, contra angles and
turbines.
The DAC UNIVERSAL is intended to clean and steam sterilize solid
dental instruments.
Intended use_FLEX lid
The DAC UNIVERSAL is intended to clean and thermally disinfect Sirona
ultrasonic scaler handpieces of type SIROSONIC, SIROSONIC L,
SIROSONIC TL, PerioSonic and similar dental ultrasonic scaler
handpieces, which are comparable concerning weight, materials,
surface, construction principles, gaps and geometry.
The DAC UNIVERSAL is intended to clean and thermally disinfect Sirona
Scaler tips of the types Instrument L, PE, PS, SIRORETRO, SIROPREP
and similar dental scaler tips, which are comparable concerning weight,
materials, surface, construction principles, gaps and geometry including
the associated torque wrench.
The DAC UNIVERSAL is intended to clean and thermally disinfect Sirona
Sprayvit nozzles of the types SPRAYVIT, SPRAYVIT 4000, SPRAYVIT
4000E and similar dental sprayvit nozzles, which are comparable
concerning weight, materials, surface, construction principles, gaps and
geometry.
The DAC UNIVERSAL is intended to clean and steam sterilize EMS
Piezon ultrasonic scaler handpieces of type EN-041, EN-060 and similar
dental ultrasonic scaler handpieces, which are comparable concerning
weight, materials, surface, construction principles, gaps and geometry.
The DAC UNIVERSAL is intended to sterilize wrapped solid instruments,
straight handpieces, contra angles and turbines.
1.9 Contraindications
The DAC UNIVERSAL is not intended to clean, lubricate or sterilize/
disinfect liquids, cloth loads, biomedical waste or other devices and
materials not specified above.
Furthermore DAC UNIVERSAL is not intended to sterilize/ disinfect
medical devices which are not compatible with steam sterilization.
The processing of articles other than specified above may result in
incomplete cleaning or sterilization/ disinfection, damage to the
incompatible articles, and/or damage to the DAC UNIVERSAL.
The DAC UNIVERSAL is not intended to reprocess Implant, Endo and
CEM tips.
The DAC UNIVERSAL is not intended to reprocess ultrasonic scaler
handpieces of type SIROSON and SIROSON S.

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1General Information Sirona Dental A/S
1.10Scope of delivery Operating Instructions DAC UNIVERSAL
1.10 Scope of delivery
The scope of delivery of the DAC UNIVERSAL includes the following
parts:
● STANDARD lid without adapter
● STANDARD indicator holder
● 1 bottle of NitramOil #2 lubrication concentrate
● Air filter
● Waste water hose
● CD User E-Guide
● Relevant international power plug *
* included in some countries.
The adapters for the STANDARD lid can be freely selected and must be
purchased separately. See "Accessories [ → 218]" for an overview of
available adapters.

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Sirona Dental A/S 2Safety instructions
Operating Instructions DAC UNIVERSAL 2.1Electrostatic discharge
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2Safety instructions
2.1 Electrostatic discharge
Protective measures
Electrostatic discharge (abbreviated: ESD – ElectroStatic Discharge)
Electrostatic discharge from people can damage electronic components
when the components are touched. Damaged components usually have
to be replaced. Repairs must be performed by qualified personnel.
Measures to protect against ESD include:
● Procedures to avoid electrostatic charging via
– air conditioning
– air humidification
– conductive floor coverings
– non-synthetic clothing
● discharging the electrostatic charges from your own body through
contact with
– a metallic unit casing
– a larger metallic object
– any other metal part grounded with the protective earth
Endangered regions are indicated on the unit by the ESD warning label:
We recommend that all persons working with this system are made aware
of the significance of the ESD warning label. A training course should also
be held to inform users about the physics of electrostatic charges.
Physics of electrostatic charges
An electrostatic discharge requires prior electrostatic charging.
There is a danger of electrostatic charges building up whenever two
bodies rub against each other, e.g. when:
● walking (soles of shoes against the floor) or
● moving (chair casters against floor).
The amount of charge depends on several factors: The charge is:
● higher at low air humidity than at high air humidity, and
● higher with synthetic materials than with natural materials (clothing,
floor coverings).
The following rule of thumb can be applied to assess the transient
voltages resulting from an electrostatic discharge.
IMPORTANT
This product is intended for use by qualified healthcare professionals
only. Before operating the DAC UNIVERSAL, carefully read and follow
these instructions and save them for future reference. Observe all
cautions.

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2Safety instructions Sirona Dental A/S
2.1Electrostatic discharge Operating Instructions DAC UNIVERSAL
An electrostatic discharge is:
● perceptible at 3,000 V or higher
● audible at 5,000 V or higher (cracking, crackling)
● visible at 10,000 V or higher (arc-over)
The transient currents resulting from these discharges have a magnitude
of over 10 amps. They are not hazardous for humans because they last
for only several nanoseconds.
Tip: 1 nanosecond = 1/1,000,000,000 second = 1 billionth of a second
Voltage differentials exceeding 30,000 volts per centimeter may lead to a
charge transfer (electrostatic discharge, lightning, arc-over).
Integrated circuits (logical circuits and microprocessors) are used in order
to implement a wide variety of functions in a device. The circuits must be
miniaturized to a very high degree in order to include as many functions
as possible on these chips. This leads to structure thicknesses as low as
a few ten thousandths of a millimeter. Integrated circuits that are
connected to wires leading externally are therefore particularly at risk
from electrostatic discharge.
Even voltages that are imperceptible to the user can cause breakdown of
the structures, thus leading to a discharge current that melts the chip in
the affected areas. Damage to individual integrated circuits may cause
malfunction or failure of the unit.

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Sirona Dental A/S 2Safety instructions
Operating Instructions DAC UNIVERSAL 2.2Caution symbols on the device
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2.2 Caution symbols on the device
Meaning: Warning of danger
This symbol is found on the back of the DAC UNIVERSAL next to:
● The COM PORT: External computer hardware that is connected to
this serial interface must be labeled "The connected device must
comply with the UL 1950 and IEC/EN 60950 standards and may be
connected only to safety extra low voltage (SELV) circuits."
Please read the corresponding sections in "Connecting to a
documentation device [ → 56]".
● The water, air, and waste water connections. See "Installation of DAC
UNIVERSAL connections [ → 49]" for the respective installation.
Meaning: Warning of hazardous electrical voltage
Meaning: Warning of a hot surface
Safety symbols FLEX lid
Special safety symbols on the FLEX lid
Disinfection
No sterile instruments

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2Safety instructions Sirona Dental A/S
2.3Flammable materials Operating Instructions DAC UNIVERSAL
2.3 Flammable materials
2.4 Reducing the risk of burns
CAUTION
Risk of explosion
Never use the DAC UNIVERSAL in the presence of flammable
anesthetics or gases.
CAUTION
Risk of explosion
Do not hold the NitramOil #2 bottles near an open flame.
CAUTION
Danger of burning!
The bottom of the DAC UNIVERSAL may be hot.
CAUTION
Danger of burning!
The PCD test device may be hot.
CAUTION
Danger of burning!
Never hold on to the lid or hold your head directly over the DAC
UNIVERSAL when it opens, as steam will emerge from the device.
CAUTION
Danger of burning!
Even when the lid of the DAC UNIVERSAL is partly or completely open,
the instruments are still hot. Allow the instruments that become very hot
during the process to cool off.
CAUTION
Danger of burning!
The metal part of the lid is very hot. After the end of the cycle, touch only
the plastic part of the lid.
CAUTION
Danger of burning!
Please do not open the DAC UNIVERSAL when the temperature is still
above 104°C (219°F), see display indicator. Hot steam may emerge
from the chamber.

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Sirona Dental A/S 2Safety instructions
Operating Instructions DAC UNIVERSAL 2.5Instruction of practice personnel
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2.5 Instruction of practice personnel
The personnel responsible for operation and maintenance of the DAC
UNIVERSAL must be instructed in the safe operation of the DAC
UNIVERSAL by a service technician trained by the manufacturer. A
person in the practice must be designated who is responsible for
instructing all personnel who use and service the DAC UNIVERSAL.
2.6 Installation site
2.7 Maintenance
CAUTION
Danger of burning!
The drain hose, filter housing, drain filter, and drain tank are very hot
during the reprocessing process. Switch the DAC UNIVERSAL off and
let it cool down (about 15 minutes) before emptying and cleaning the
drain tank or cleaning or replacing the drain filter.
CAUTION
Risk of crushing!
The total height of the open DAC UNIVERSAL is 53 cm. To prevent
injuries, a minimum distance of 70 cm must be maintained between the
counter and overhead cabinet.
CAUTION
Please observe the regulations applicable in your country when
handling the waste water tank and waste water filter.
The manufacturer recommends to wear your personal protective gear
when handling the waste water tank and waste water filter.

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3Product description Sirona Dental A/S
3.1Functions Operating Instructions DAC UNIVERSAL
3Product description
3.1 Functions
The DAC UNIVERSAL reduces the risk of cross-contamination and
ensures the proper maintenance of your instruments.
DAC UNIVERSAL automatically cleans, lubricates, and sterilizes 6
instruments in about 16 minutes with the STANDARD lid. The
instruments can be used again immediately after cooling down.
The BASKET lid is available optionally for the cleaning and sterilization of
a maximum of 5 unwrapped solid instruments.
The WRAPPED lid and a sterile filter are needed for sterilizing wrapped
instruments in the DAC UNIVERSAL. The WRAPPED lid holds 3
instruments at a time.
Function FLEX lid
The optional FLEX lid is available for the cleaning and thermal
disinfection of a maximum of 6 unwrapped instruments. The instruments
reprocessable on the FLEX lid are following:
● ultrasonic scaler handpieces
● scaler tips / torque wrenches (maximum 2 at a time)
● SPRAYVIT nozzles
These instruments are further called FLEX lid instruments.
3.1.1 Functions with the STANDARD lid
The unwrapped instruments are reprocessed as follows using the adapter
on the STANDARD lid.