Pro-tec Polydoros RFX User manual

PROTEC GmbH & Co. KG
In den Dorfwiesen 14, 71720 Oberstenfeld, Germany
Telephone: [phone] E-Mail: [email protected]
Version: 4.0
Issued: 2022-01-20
Subject to alterations
Polydoros RFX
High-voltage generator ith Mini Console
Model/ID: 7021-8-9571
7021-8-9671
7021-8-9871
Manufactured by Siemens Healthcare GmbH
Material number: 11011021; 110115 0
Instructions for use
Ident. Nr. 5021-0-1002

NOTE
The legal manufacturer of this product is
Siemens Healthcare GmbH
Henkestr. 127 | 1052 Erlangen
Germany
NOTE
All sheets of this document contain proprietary and confidential information of
PROTEC GmbH & Co. KG and is intended for exclusive use by current PROTEC GmbH
& Co. KG customers. Copying, disclosure to other or other use is prohibited without
the express written authorization of PROTEC´s law department. Report any
violations of this requirement to PROTEC GmbH & Co. KG.
© 2021 PROTEC GmbH & Co. KG, Oberstenfeld
These accompanying documents were created and distributed by the documentation department.
Comments and questions about the documentation, please contact:
PROTEC GmbH & Co. KG
In den Dorfwiesen 14 | 71720 Oberstenfeld
Germany
Phone: (+ 49) 7062 – 92 55 0
Fax: (+ 49) 7062 – 92 55 60
E-Mail: [e-mail]
Internet: .protec-med.com

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Table of contents
Page
Table of contents ........................................................................................................................... 3
Document Effectivity .................................................................................................................... 6
Introduction ................................................................................................................................... 8
1.1 General Information ........................................................................................................................................................................ 8
1.1.1 Product lnformation ........................................................................................................................................................... 8
1.1.1.1 High-voltage Generator Models ........................................................................................................................... 8
1.1.1.2 Slide-in Module Service Parts .................................................................................................................................
1.1.1.3 Console Models...............................................................................................................................................................
1.1.1.4 Intended use .....................................................................................................................................................................
1.1.1.5 Improper Use ....................................................................................................................................................................
1.1.1.6 Indications ..........................................................................................................................................................................
1.1.1.7 Contra indications ...................................................................................................................................................... 10
1.1.1.8 Intended patient population ............................................................................................................................... 10
1.1.1. Intended user ................................................................................................................................................................ 10
1.1.2 Document Information.................................................................................................................................................. 11
1.1.2.1 Purpose of this Document .................................................................................................................................... 11
1.1.2.2 Text Layout ...................................................................................................................................................................... 11
1.1.2.3 Illustrations ...................................................................................................................................................................... 12
1.1.2.4 Value Statement .......................................................................................................................................................... 13
1.1.3 Acronyms and Abbreviations .................................................................................................................................... 13
1.1.4 Laws, Standards, and Regulations ........................................................................................................................... 14
1.1.4.1 High-voltage generator .......................................................................................................................................... 14
1.1.4.2 Mini Console .................................................................................................................................................................. 15
1.2 Safety Information ......................................................................................................................................................................... 16
1.2.1 Installation, Repair, or Modifications ...................................................................................................................... 16
1.2.2 Staff Qualification .............................................................................................................................................................. 17
1.2.2.1 Operating Staff .............................................................................................................................................................. 17
1.2.2.2 Installation, Maintenance and Repair Staff .................................................................................................. 17
1.2.3 Safety lnstructions............................................................................................................................................................. 17
1.2.3.1 Unpacking Hazards .................................................................................................................................................... 17
1.2.3.2 Installation Hazards .................................................................................................................................................... 17
1.2.3.3 Operating Hazards...................................................................................................................................................... 18
1.2.4 Cleaning and Disinfection and Sterilization ...................................................................................................... 21
1.2.4.1 High-voltage generator .......................................................................................................................................... 21
1.2.4.2 Mini Console .................................................................................................................................................................. 21

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1.2.5 Electromagnetic Compatibility ................................................................................................................................. 22
1.2.5.1 Electromagnetic Emissions ................................................................................................................................... 22
1.2.5.2 Electromagnetic Immunity ................................................................................................................................... 23
1.2.5.3 RF Immunity ................................................................................................................................................................... 25
1.2.6 Interfaces ................................................................................................................................................................................ 27
1.2.7 Maintenance ........................................................................................................................................................................ 27
1.2.8 Checks ...................................................................................................................................................................................... 27
1.2. Labels and Pictograms on the Product and Package ................................................................................. 2
1.2. .1 High-voltage generator .......................................................................................................................................... 2
1.2. .2 Mini Console .................................................................................................................................................................. 33
1.2. .3 Description of the Identification Label .......................................................................................................... 34
1.2. .3.1 High-voltage generator .................................................................................................................................... 34
1.2. .3.2 Mini Console............................................................................................................................................................ 35
1.2. .4 Description of the Logistic Material Number Label ............................................................................... 35
1.2. .5 Description of the Product Packing Label for Logistic Numbers .................................................. 36
1.2. .6 Description of the Product Packing Label for Shippable Configuration Elements ............ 37
1.2. .6.1 High-voltage generator .................................................................................................................................... 37
1.2. .6.2 Mini Console............................................................................................................................................................ 38
1.2. .7 Label Positions .............................................................................................................................................................. 3
1.2. .7.1 Location of the Labels on the Polydoros RFX ..................................................................................... 3
1.2. .7.2 Location of the Labels on the High-voltage Tank ............................................................................ 41
1.2. .7.3 Location of the Labels on the AMC Box ................................................................................................. 42
1.2. .7.4 Mini Console............................................................................................................................................................ 43
1.2.10 Disposal ................................................................................................................................................................................... 44
2 Technical Data .................................................................................................................... 45
2.1 Electrical Data ................................................................................................................................................................................... 45
2.1.1 Mains Connection ............................................................................................................................................................. 45
2.1.2 Internal Line Resistance ................................................................................................................................................. 45
2.1.3 Fuses Overview ................................................................................................................................................................... 45
2.1.4 Performance Data ............................................................................................................................................................. 46
2.1.4.1 High-voltage generator .......................................................................................................................................... 46
2.1.4.2 Mini Console .................................................................................................................................................................. 48
2.2 Mechanical Data ............................................................................................................................................................................. 4
2.2.1 Hardware Configuration ............................................................................................................................................... 4
2.2.2 Dimensions and Weight ............................................................................................................................................... 50
2.2.3 Paint color .............................................................................................................................................................................. 50
2.2.4 Control and Display Elements ................................................................................................................................... 51

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2.2.5 Interfaces of the Mini Console ................................................................................................................................... 52
2.3 Dimensional Drawings ............................................................................................................................................................... 53
2.3.1 Mini Console Dimensions ............................................................................................................................................ 53
2.3.2 Mounting Hole Dimensions ....................................................................................................................................... 54
2.3.3 Vertical Design .................................................................................................................................................................... 55
2.3.4 Horizontal Design.............................................................................................................................................................. 56
2.3.5 Room Planning ................................................................................................................................................................... 57
2.4 Environmental Conditions ....................................................................................................................................................... 58
2.4.1 Transport and Storage Conditions ......................................................................................................................... 58
2.4.1.1 High-voltage generator .......................................................................................................................................... 58
2.4.1.2 Mini Console .................................................................................................................................................................. 58
2.4.2 Operating Conditions ..................................................................................................................................................... 58
2.4.2.1 High-voltage generator .......................................................................................................................................... 58
2.4.2.2 Mini Console .................................................................................................................................................................. 58
2.5 Classification ..................................................................................................................................................................................... 5
2.5.1 High-voltage generator ................................................................................................................................................. 5
2.5.2 Mini Console ......................................................................................................................................................................... 5
3 Console Operation ............................................................................................................ 60
3.1 Switching On/Off the Generator .......................................................................................................................................... 60
3.2 Exposure Release ........................................................................................................................................................................... 61
4 Soft are Operation ........................................................................................................... 62
4.1 Software X-ray Generator Control ....................................................................................................................................... 62
4.2 Parameters of the Software X-ray Generator Control .............................................................................................. 62
5 Error messages ................................................................................................................... 64

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NOTE
The information contained in this document conforms to the configuration of the
equipment as of the date of manufacture. Revisions to the equipment subsequent
to the date of manufacture will be addressed in service updates distributed to the
PROTEC Technical Service Organization.
Document Effectivity
Revision No. Date
List of
effective
pages
Comments
1.0 2020-11-24 all Original issue
2.0 2021-02-17
1
2
Added “Manufactured by Siemens Healthcare GmbH” incl.
Model/ID
Added note for legal manufacturer
3.0 2021-0 -15
7 Chapter 1.1.1.1 “High-Voltage Generator Models” table 2
updated
8
Chapter 1.1.1.3 “Slide-in Module Service Parts” table
updated
Chapter 1.1.1.4 “Accessories and Auxiliary Devices” removed
(Cooling fan package)
11 Symbol: Change “Electrical shock” into “Warning, electricity”
12 Chapter 1.1.2.4 “Value Statement”: 2
nd
and 3
rd
paragraph
removed
17 Chapter 1.2.3.2 “Installation Hazards”: “Improper lifting” box
changed
18 Chapter 1.2.3.3 “Operating Hazards”: “Accessible voltages”
box changed
1 Chapter 1.2.3.3 “Operating Hazards”: “Wrong power supply
cords” box changed
26
Chapter 1.2.8 “Checks”: Paragraph “Checks after switching
on the generator”: Remark on the power LED safety feature
(double design -> 2 LEDs)
28, 30 Chapter 1.2. .2.1 “High-voltage generator”: Cooling fan
labels removed
42 Chapter 1.2. .7.3 “Location of the Labels on the Cooling
Fan” removed
42 Chapter 1.2. .7.4 “Mini Console”: additional information
added
47 Chapter 2.1.4.2 “Mini Console”: Remark on the power LED
safety feature (double design -> 2 LEDs)
4
Chapter 2.2.1 “Hardware Configuration” Cooling fan
package removed. Instead general description of external
cooling fan included.
50
Chapter 2.2.2 “Dimensions and Weight” Cooling fan
package removed. Instead general description of external
cooling fan included.
55 Chapter 2.3.3 “Vertical Design” drawings updated.
56 Chapter 2.3.4 “Horizontal Design” drawings updated.
57
Chapter 2.3.5 “Room planning”: External cooling fan
included to room planning (air flow rate).

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4.0 2022-01-20
8 Chapter 1.1.1.1 “High-voltage Generator Models”: table 1:
reference number “1” added
13 Chapter1.1.3 “Acronyms and Abbreviations”: “OEM”
removed
14 Chapter 1.1.4.1 “High-voltage generator”: table: typing
errors corrected
15 Chapter 1.1.4.2 “Mini Console”: typing errors corrected
17 Chapter 1.2.2.1 “Operating Staff”: “personnel” replaced with
“Staff”
17 Chapter 1.2.3 “Safety Instructions”: first sentence updated
17 Chapter 1.2.3.1 “Unpacking Hazards”: “Improper
unpacking…” changed from Notice to Warning
32 Chapter 1.2. .1 “High-voltage generator”: typing errors
corrected
43 Chapter 1.2. .7.4 “Mini Console”: drawing updated,
important information added.
46
Chapter 2.1.4.1 “High-voltage generator”: table additional
hint added, values for 30 kW and 40 kW generator removed,
material number for AMC module added
56 Chapter 2.3.4 “Horizontal Design”: labelling corrected
5
Chapter 2.5.2 “Mini Console”: “Further classification
statements are dependent on the overall context of the
system periphery.” added.

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Introduction
1.1 General Information
1.1.1 Product lnformation
The Polydoros high-voltage generators are designed for use in a wide range of radiography systems. The
modular design of the Polydoros family allows for adaption to the requirements of all medical X-ray
applications.
The Polydoros RFX supports the following operating modes:
•Radiographic exposures on film, CR screens, and DR panels
The Mini Console provides a control panel for switching on/off the generator and releasing exposure
including a radiation indicator. The radiographic parameters are to be set by the system via the digital
interface.
The intended medical and patient application must be determined and described by the system
manufacturer.
1.1.1.1 High-voltage Generator Models
This document applies to the following high-voltage generator models:
Model Po er rating PROTEC article number
1
Polydoros RFX Low Power 55 kW 7021-8- 571
Polydoros RFX Low Power 65 kW 7021-8- 671
Polydoros RFX High Power 80 kW 7021-8- 871
1. The logistic material number specifies the high-voltage generator model (Low/High Power)
The Polydoros RFX comprises the following slide-in modules, depending on the high-voltage generator
model:
Module High-voltage generator model
Polydoros RFX Lo Po er Polydoros RFX High Po er
MRC_1  
RCE_1 
RCE_2 
INV_1   (2x)
RFM_1  
GCB_1  

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1.1.1.2 Slide-in Module Service Parts
Module Description Service part number
MRC_1 Mains rectifier and capacitor module 11011621
RCE_1 Resonant circuit extension module
High Power configuration 111011611
RCE_2
Resonant circuit extension module
Low Power configuration 11011612
INV_1 Inverter module 11011620
RFM_1 RAC filament and misc. module 11011622
GCB_1 Generator control board module 1101161
1.1.1.3 Console Models
This document applies to the following console model:
Model Description
Mini Console Package Control panel for switching on/off the generator and releasing X-ray. An
appropriate cable for connecting the generator is enclosed.
1.1.1.4 Intended use
These generators are standard, high-voltage generating devices which are intended to be integrated in
diagnostic X-ray systems. An HV-generator is used to establish high voltage, the filament heating and
(where applicable) the drive of the stator needed by the X-ray tube assembly for generating the X-ray
beam.
Stationary HV-generators are integral components of diagnostic X-ray systems. They are used to regulate
incoming voltage and current to provide an X-ray tube assembly with the power needed to produce an
X-ray beam of the desired voltage (kV) and current (mA).
Especially these generators are intended to be used for radiography/fluoroscopy applications.
1.1.1.5 Improper Use
The manufacturer will not be held responsible for the safety features, reliability and performance of the
product if
•the component is used in a manner other than specified in this document,
•personnel not authorized by the manufacturer performs installation, upgrades, modifications,
or repairs,
•components affecting product safety are not replaced with original spare parts from PROTEC,
•electrical wiring in the operating room does not meet the specifications of local regulations.
1.1.1.6 Indications
Indication for use of the HV-generator is every clinical indication which requires a radiographic image or
a fluoroscopic examination using a diagnostic X-ray system. The specific indications, parts of the body
and the duration of the exposure for which the HV-generator can be used (once or repeated) are defined
by the diagnostic X-ray system in which the HV-generator is integrated.

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1.1.1.7 Contra indications
For HV-generators no other contra-indications besides the ones for general radiologic procedures are
currently known. Specific contra-indications might need to be defined by the system integrator of the
diagnostic X-ray system in which the HV-generator is integrated.
1.1.1.8 Intended patient population
The HV-generator may be used for each patient who is admitted for an X-ray examination, from newborn
to geriatric. The patient population might need to be restricted on system level as result of the integration
of the HV-generator into a diagnostic X-ray system by the system integrator.
1.1.1.9 Intended user
HV-generators are intended to be integrated into diagnostic X-ray systems by a system integrator, for
whom it is required to have specific technical and clinical knowledge and skills, including but not limited
to radiation protection, electrical and mechanical safety and clinical procedures for which the finalized
system is released. Integrated into the diagnostic X-ray system, generators are intended to be operated
by adequately trained clinical users.

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1.1.2 Document Information
1.1.2.1 Purpose of this Document
This document (Instructions for Use) contains the required specifications of the high-voltage generator
and the Mini Console required from standards and laws.
The information for installing, starting up, adjusting, operating, servicing, and maintaining the Polydoros
RFX is given in the following accompanying document(s):
•Installation and Startup
1.1.2.2 Text Layout
Note:
NOTE
Example of a Note
A note emphasizes important information without there being any direct danger and helps you to
operate the product properly and to avoid errors. It also provides additional useful explanations about a
subject.
Ho safety information is structured:
NOTICE
Cause/Source of danger.
Possible consequences
Precautions or remedies
Classification:
Warning Indicates a hazard that if disregarded can cause death or serious injury.
Caution Indicates a hazard that if disregarded can cause minor or moderate injury.
Notice Indicates a situation that if disregarded can cause damage to the product or
something else in your environment.

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Symbols / Pictograms:
Symbols / Pictograms and their meanings as they may apply to your product (IEC standard):
General Warning
X-ray radiation: Warning of ionizing radiation.
Torque: Note about a threaded connector with a torque value.
Warning, electricity: Dangerous electrical voltage > 25 V AC or > 60 V DC.
Radio frequency: Warning of non-ionizing radiation.
Hot surfaces: Warning of hot surfaces.
Type B applied part
Po er ON button
Po er OFF button
Radiation LED
Exposure button
1.1.2.3 Illustrations
All illustrations of the equipment in this document are examples only.
Differences in detail may occur in your product due to the installed options, configurations, and constant
development of the product.
Reproduction of images can cause loss of detail.
Pictures in this document do not therefore provide any indication of the image quality.

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1.1.2.4 Value Statement
All technical data are typical values unless specific tolerances are stated.
1.1.3 Acronyms and Abbreviations
AEC Automatic Exposure Control
AMC AEC Multi Converter
CE Communauté Européenne
CFR Code of Federal Regulations
EEC European Economic Community
EMC Electromagnetic Compatibility
ESD Electrostatic Discharge
EU European Union
FTT Fault Tolerance Time
GCB Generator Control Board
HV High Voltage
HVT High-Voltage Tank
IEC International Electrotechnical Commission
INV Inverter
LED Light Emitting Diode
MFOT Multiple Fault Occurrence Time
MFF Mains Fuses and Filter
MRC Mains Rectifier and Capacitor
RAC Rotating Anode Control
RCE Resonant Circuit Extension
RF Radio Frequency
RFM RAC, Filament, and Miscellaneous
RöV X-ray Ordinance (Röntgenverordnung)
RoHS Restriction of certain Hazardous Substances
VDE Association for Electrical, Electronic & Information Technologies

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1.1.4 La s, Standards, and Regulations
1.1.4.1 High-voltage generator
The high-voltage generator has been manufactured and developed in agreement with the applicable
requirements according to the following laws, directives and design regulations:
•Council Directive RoHS directive 2011/65/EU with 2015/863 on the restriction of the use of
certain hazardous substances in electrical and electronical equipment, following the
requirement of standard EN IEC 63000:2016
•ISO 13485:2016 (eq EU: EN ISO 13485:2016+AC:2016) — Medical devices – Quality management
systems - Requirements for regulatory purposes
•lSO14 71:2007 (eq Eu: EN ISO 14 71 :2012) — Medical devices - Application of risk management
to medical devices
•21 CFR Part 1020, Performance standard for ionizing radiation emitting products, (USA)
•21 CFR Part 820 Quality System Regulation, (USA)
•International Electrotechnical Commission (IEC), the following standards are considered
especially:
Standard Title
IEC 60601-1 :2012+C1:2012
(eq EU: EN 60601-1 :2006+AC:2010+A1:2013)
Medical electrical equipment - Part 1: General
requirements for basic safety and essential
performance
IEC 60601-1-2:2014
(eq EU: EN 60601-1-2:2015)
Medical electrical equipment - Part 1-2:
General requirements for basic safety and
essential performance - Collateral standard:
Electromagnetic disturbances - Requirements
and tests
IEC 60601-2-54:2015
(eq EU: EN 60601-2-54:200 +A1:2015)
Medical electrical equipment - Part 2-54:
Particular requirements for the basic safety and
essential performance of X-ray equipment for
radiography and radioscopy
IEC 62304:2015
(eq EU: EN 62304:2006+AC:2008+A1:2015)
Medical device software - Software life cycle
processes (EN: Corrected and reprinted in 2008-
11)

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1.1.4.2 Mini Console
The Mini Console has been manufactured and developed in agreement with the following laws,
directives and design regulations:
•Council Directive 2011/65/EU of June 08, 2011 on the restriction of the use of certain hazardous
substances in electrical and electronical equipment, following the requirements of harmonized
standard EN 50581:2012 (RoHS)
•ISO 13485:2016 (eq EU: EN ISO 13485:2016+AC:2016) — Medical devices – Quality management
systems - Requirements for regulatory purposes
•lSO14 71:2007(eq EU: EN ISO 14 71:2012) — Medical devices - Application of risk management
to medical devices
•21 CFR Part 1020, Performance standard for ionizing radiation emitting products, (USA)
•21 CFR Part 820 Quality System Regulation, (USA)
•International Electrotechnical Commission (IEC), the following standards are considered
especially:
Standard Title
IEC 60601-1:2012+C1:2012
(eq EU: EN 60601-1:2006+AC:2010+A1:2013)
Medical electrical equipment - Part 1: General
requirements for basic safety and essential
performance
IEC 60601-1-2:2014
(eq EU: EN 60601-1-2:2015)
Medical electrical equipment - Part 1-2:
General requirements for basic safety and
essential performance - Collateral standard:
Electromagnetic disturbances - Requirements
and tests
IEC 60601-1-6:2010+A1:2013
(eq EU: EN 60601-1-6:2010)
Medical electrical equipment - Part 1-6:
General requirements for basic safety and
essential performance – Collateral standard:
Usability

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1.2 Safety Information
NOTICE
Risk of improper use of the high-voltage generator and the Mini Console.
When performing the work steps and checks, the general safety information for medical products
must be observed.
Before handling the high-voltage generator or Mini Console, please carefully read the safety
information contained in this document.
1.2.1 Installation, Repair, or Modifications
NOTE
Only qualified staff is permitted to unpack, install, and operate the generator unit and
the Mini Console.
NOTE
Precautions to be observed before the first loading upon completion of the
installation of an X-ray tube assembly, and special procedures for conditioning the X-
ray tube, as appropriate.
Additions to the product must be made in accordance with the legal regulations and generally accepted
engineering standards.
The manufacturer cannot accept responsibility for the safety features and for the reliability and
performance of the equipment as the manufacturer, assembler, installer, or importer, if:
•installation, readjustments, or repairs are not carried out by persons authorized by us to do so,
•components affecting safe operation of the product are not replaced by original spare parts in
the event of a malfunction,
•the electrical installation of the room does not meet the requirements of the VDE regulations or
the corresponding national regulations, or the product is not used in accordance with the
documentation.
WARNING
 No modification of this equipment is allowed. Maintenance work may only be performed by
the manufacturer's authorized customer service
NOTICE
We accept no responsibility for repairs performed without our express written approval.
We recommend that you obtain a report indicating the nature and the extent of the work
performed from the persons carrying out such work.
The report should include all changes in rated parameters or operating ranges as well as the
date, the name of the company and a signature.

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1.2.2 Staff Qualification
1.2.2.1 Operating Staff
Using this product in accordance with regulations is only possible if the operating staff has the required
specialized knowledge and is familiar with the operating instructions. These must be studied thoroughly
before startup.
The operating staff should have practical training in the correct operation. The training should be
repeated at appropriate intervals of time. It is recommended that emergencies are simulated and
corresponding measures are trained.
1.2.2.2 Installation, Maintenance and Repair Staff
Only persons having expert knowledge of electrical systems and radiation protection are allowed to
install, maintain, and adjust the product, electrical engineers or technicians, for example.
Furthermore, the installation and maintenance staff must have practical training in the installation,
maintenance and repair of the product and be authorized by the distributor or manufacturer to perform
this kind of work.
1.2.3 Safety lnstructions
The generator and the Mini Console may only be operated in compliance with all safety instructions in
this document. The system owner is responsible for compliance with the regulations that apply for the
installation and operation of an X-ray system.
The hazards listed in this chapter are to be included in the technical documentation of the system.
1.2.3.1 Unpacking Hazards
WARNING
Improper unpacking and unrecognized shipment damages.
Risk of physical injury and system malfunctions.
Check the shipment for damage which could have an adverse effect on function and safety.
Use proper tools.
When cutting tensioning straps, secure the cut ends from lashing back.
Pull only nails out of the crate boards that have a cardboard or metal disk under the heads.
Pull nails out completely and dispose of them properly.
Wear sturdy shoes.
Follow the directional markings on the crates during transport, storage, and unpacking.
1.2.3.2 Installation Hazards
NOTICE
Risk of damage to property.
Do not install the generator unit and Mini Console before it has acclimatized to room
temperature.
Compliance with general ESD directives must be ensured when handling the product.

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NOTICE
Avoid improper lifting and moving of the heavy and bulky generator.
Recommendation when setting up the generator:
Wear protective clothing, e.g. safety shoes and gloves
At least two people are needed for lifting the generator.
If possible, use mechanical means for lifting the generator.
WARNING
Wrong installation.
Wrong installation may cause serious physical injury or death.
To avoid the risk of electric shock, this equipment must only be connected to a supply with
protective earth.
WARNING
Wrong installation of protective earth.
Wrong installation of protective earth may cause serious physical injury or death.
The protective earth connection shall be tested after the installation of the generator.
1.2.3.3 Operating Hazards
WARNING
Accessible voltages. Risk of electric shock.
Contact with accessible voltages may cause serious physical injury or death.
This equipment may only be operated, when all electrical connectors are installed completely.
WARNING
Accessible voltages.
Contact with accessible voltages may cause serious physical injury or death.
De-energize the system.
If checks or measurements require live-line working, cover energized parts to prevent
unintentional contact.
Perform live-line working with extreme caution.
Use only measurement equipment and devices which are suited to the task.
Read and observe the safety labels.

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WARNING
Accessible voltages.
Contact with accessible voltages may cause serious physical injury or death.
To avoid the risk of electric shock, this equipment must be disconnected from supply before
opening.
WARNING
Accessible voltages.
Contact with accessible voltages may cause serious physical injury or death.
Before any work within the opened generator or at the XTA, the generator shall be
disconnected from mains by opening the internal mains circuit breaker.
Remark: the switch off function of the generator does not disconnect the mains voltage from
generator line input. After switch off all components of the generator and the XTA are still
powered. After disconnect from mains, behind fuses F1-F3 all components of the generator
and the XTA are deenergized.
CAUTION
Usage of wrong fuses.
Risk of fire.
Replace fuses only with same type and rating.
CAUTION
Being exposed to X-ray radiation without knowing it.
Risk of moderate injury caused by X-ray radiation.
Only enter the examination room, if the X-ray indicator is off.
CAUTION
Specified load limits of generator are exceeded.
Plastic smolders and produces toxic gases.
Limiting values for usage of the generator must not be exceeded.
WARNING
DC-link is powered.
Contact with line voltage may cause serious physical injury or death.
Remove the MRC cover only, when all LEDs on the MRC-board(s) are off.

Polydoros RFX Instructions for use 5021-0-1002
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NOTICE
Wrong power supply cords.
When setting up the generator
Only use power supply cords that meet the specifications.