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Block Optic CaraT, Technical Manual, Page: 7 / 34

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Block Optic CaraT Technical Manual Download Page 7

Model „VarioCarat®“ 

Block Optic Design GmbH., Semerteichstr. 60, 44141 Dortmund, Tel.: +49 231 1087785-0, Fax: +49 231 1763065 

3 

 

 

Copyrights and trademarks 

All rights to these operating manual, in particular the right of reproduction, distribution and 
translation, are reserved by Block Optic. Infringements are punishable by law and will result in 
liability for damages. All rights to the exercise trademarks are reserved by Block Optic. 

 

Limitation of liability 

All information and notes in these operating instructions have been compiled taking into account the 

applicable standards and regulations, the state of the art and our many years of knowledge and 

experience. 

 

 

The company Block Optic assumes no liability for damage caused by: 

 

failure to follow the manual 

 

untrained staff 

 

unauthorised conversions 

 

unapproved technical modifications 

 

use in spite of visible damage to electrical connections 

 

use in spite of electrical or mechanical problems 

 

a general malfunction 

 

use of unauthorised spare parts by Block Optic 

 

 

Repair and spare parts 

The examination/refraction unit can only be repaired by Block Optic or by a specialist company 

authorised by Block Optic. 

 

 

 

Warranty conditions 

The "General Terms and Conditions of Sale and Delivery" of the company Block Optic. These can be 

viewed on our website 

www.block-optic.com

. 

 

 

Customer Service 

Our customer service is available for technical information. In addition, our staff are constantly 

interested in suggestions for improvements resulting from the application and leading to 

improvements of the examination/refraction unit. 

 

Safety 

This section serves as an overview of all safety instructions that ensure the smooth and safe 
operation of the VarioCarat® examination/refraction unit. Compliance with the handling instructions 
and the safety instructions must be ensured. 
Failure to comply may result in danger for the operator and/or patient. 
 

 

CAUTION! 

Non-approved spare parts can impair safety and lead to damage, malfunctions or total 
failure. 
Please use only original spare parts from the manufacturer. 

 

Summary of Contents for CaraT

Page 1: ...bH Semerteichstr 60 44141 Dortmund Tel 49 231 1087785 0 Fax 49 231 1763065 Technical manual Examination and refraction unit VarioCarat Sample image Original operating instructions since 2015 Update October 2021 Subject to technical changes ...

Page 2: ...ured and tested according to strict quality criteria Continuous development may result in changes to the design and scope of delivery The illustrations in these operating instructions may therefore differ from the delivered unit in individual cases The illustration shows the right hand version For the left hand version the arrangement of the unit is correspondingly mirror inverted If you have any ...

Page 3: ...5 Space requirement 5 Connection values 5 Operating conditions 6 Label 6 Delivery 6 Scope of delivery 6 Optional accessories 6 Wrapping 7 Mounting and electrical connection of the examination refraction unit 7 Mounting 7 Electrical connection 7 Mounting third party devices on or at the examination refraction unit 8 Basic concept 8 Handling 9 Keyboard 9 Functions via the keyboard 9 Chair functions ...

Page 4: ...tch off bar ASL 18 Phoropter rail with phoropter arm tilting device optional 20 Safety and usage instruction for the chair and its function 20 Repairs 21 Possible errors 22 Maintenance 23 Service 23 Cleaning and care of the examintion unit 24 Disinfection of the surfaces oft the examination refraction unit 24 Optional upgrade options 25 Lighting 25 Unit 25 Multifunctional column 25 Phoropter rail ...

Page 5: ... liability for damage resulting from improper operation of the VarioCarat examination refraction unit and or failure to observe the provisions of this operating manual Notice The illustrations in this manual may be shown differently than the actual delivery and are only for understanding the functions General safety regulations The VarioCarat examination refraction unit is used exclusively in the ...

Page 6: ...he precautions marked in this way to avoid endangering persons or damaging property IMPORTANT Indicates important information Please read this information to maintain the high safety and functional standard of the examination refraction unit NOTE Indicates information on correct use Please read this information to avoid operating errors DANGER Indicates a potential danger to life due to electric s...

Page 7: ...chanical problems a general malfunction use of unauthorised spare parts by Block Optic Repair and spare parts The examination refraction unit can only be repaired by Block Optic or by a specialist company authorised by Block Optic Warranty conditions The General Terms and Conditions of Sale and Delivery of the company Block Optic These can be viewed on our website www block optic com Customer Serv...

Page 8: ...ce with the EN 55011 interference emission compliance with the IEC 801 interference immunity Operator responsibility The operator is responsible for the flawless technical condition of the examination refraction unit Therefore the following applies The operator must clearly regulate and define the responsibilities for operation maintenance and cleaning The operator must comply with the maintenance...

Page 9: ...ut inclinable backrest 1769 x 1100 x 2000 mm minimum and maximum travel distance of the Vario function from the floor to the upper edge of the unit table top min 730 mm max 930 mm NOTE A height of 2000 mm is reached without a chart projector at an examination refraction unit with a chart projector column Connection values Specification Value line voltage 230 V AC frequency 50 Hz permissible deviat...

Page 10: ...al number year of manufacture VAC line voltage and frequency max VA max Power draw CLASS risk class CE label disposal note read manual carefully Delivery Scope of delivery The scope of delivery of the examination refraction unit VarioCarat varies depending on the equipment variants The respective scope of delivery is listed in detail on the delivery note Optional accessories A list of the extensiv...

Page 11: ...ng on the equipment of the Innovario examination refraction unit it can be permanently connected to the practice clinic building installation by means of a PLD or EASY wall connection box NOTE The packaging weight is min 200 kg Please ensure that all individual parts belonging to the unit are removed completely A Main switch if the unit Turning it to the 0 position switches off the examination ref...

Page 12: ...commodate the examination refraction devices commonly used in ophthalmology and optometry The examination refraction unit with the installed devices is the central point for the devices and any connected external wiring e g curtain pull or room lighting An extension of the examination refraction unit VarioCarat is possible according to the modular principle Due to the large number of possible comb...

Page 13: ...mination refraction unit on or into stand by mode The rotary potentiometer is used to adjust the brightness of the connected table top units up to 12 volts The keyboard is available in different versions Functions via the keyboard Chair functions Figure Function Description Chair UP The chair moves upwards by electric motor Chair DOWN The chair moves downwards by electric motor Chair AUTO DOWN The...

Page 14: ...rail position 0 is approached Pos 1 e motoric The table moves to position 1 by electric motor Pos 2 e motoric The table moves to position 2 by electric motor Pos 3 e motoric The table moves to position 3 by electric motor Phoropter e motoric The phoropter rail moves into the phoropter position by electric motor NOTE The motors for the electromotive movement of the table and phoropter rail are not ...

Page 15: ...nt chair The height of the patient chair is adjusted using the three buttons on the keyboard A foot switch is also available as an option please refer to the instructions for the Block Optic patient chair for more details NOTE Whenever the height of the chair is adjusted or the table is turned make sure that the patient is not exposed to any danger Especially when adjusting the height of the chair...

Page 16: ...Speedy software B Keyboard Figure 6 USB port for Speedy software Table position 1 manual By pulling out on the recessed grip of the hand table the telescopic table locks into the working position by means of a magnet When the examination refraction is finished the lock must be released by pressing the Pos 0 button At the same time only then can the table be pushed into the home position A Handle f...

Page 17: ...button and pushing it at the same time A Release button for the 2nd and 3rd position in the case of a non electromotive table displacement Figure 8 Release button for the 2nd and 3rd position Phoropter arm with phoropter rail There are two different versions of the phoropter arm Physiologically pre inclined phoropter arm rigid with phoropter splint Figure 9 Physiologically inclinable phoropter arm...

Page 18: ...ter arm C Reading lamp optional D Mounting block for phoropter Figure 9 Physiologically pregelatinised phoropter arm rigid A Physiologically inclinable phoropter arm B Handle phoropter arm C Mounting point reading lamp optional D Mounting block for phoropter E Release mechanism for tilt phoropter arm F Pivot point for horizontal tilt G Phoropter arm status indicator Figure 10 Physiologically incli...

Page 19: ...t stepless from min 630 mm to max 930 mm This function is intended for wheelchair patients or to adjust the user s optimal working height Height adjustement area of the VARIO function min 730 mm max 860 mm from the ground to the table top edge CAUTION Before driving through the danger zone please make sure to check the front and rear areas of the examination unit This must be free of objects or ob...

Page 20: ... for two battery handles Figure 11 Undulated tray and charging case Room light optional Depending on the equipment of the examination refraction unit VarioCarat the room light can be adjusted to the customer s requirements when the unit is mounted The room light reacts to the respective position of the telescopic rail and the phoropter rail with phoropter arm A later room light adjustment is possi...

Page 21: ...C Patient chair on rollers Figure 13 Docking station unlocked FORBIDDEN RISK OF TIPPING It is forbidden to use the Block Optic patient chair when the locking pedal is NOT locked as this puts the patient chair at risk of tipping over It is forbidden to undock dock and or move the Block Optic chair when the patient is sitting on it It is forbidden to tilt the optional backrest when the chair is undo...

Page 22: ...n customer request With interior light automatic with memory function The brightness values of the individual positions are saved using a key combination on the keyboard Process of storing the brightness By electromotive system 1 Set the examination unit in the respective position 2 Set the desired brightness value using the room light button 3 Press and hold the Maddox Store button to save Then p...

Page 23: ...f bar ASL is triggered the chair will not move upwards and the examination refraction unit will not move downwards There must always be a small gap between the shut off bar and the micro switch Figure 14 A Detailed view ot the switch off bar B Movable contact plate of the switch off bar C Microswitch of the switch off bar with distance to the contact plate Figure 14 Switch off bar ASL ...

Page 24: ...pressing the corresponding button for safety reasons If the time is less than approx one second NO movement is carried out Permanent repeated pressing of the button so called nervous finger automatically extends the respective safety release If the examination refraction unit VarioCarat is equipped with an optional docking station the following must be done after actuating the automatic down funct...

Page 25: ...a video of the problem with a short description to support block optic com NOTE A comprehensive repair may only be carried out by Block Optic or by a specialist company authorised by Block Optic A trained electrician can be consulted for an initial diagnosis Following is required the matching circuit documents of the Innovario examination refraction unit a measuring device with continuity tester f...

Page 26: ...the wall junction box in position 1 Check the position of the toggle switch and turn it to pos 1 Figure 2 Figure 3 Is the unit switched on via the keyboard Switch on the unit using the standby button on the membrane keypad Figure 4 Figure 5 Chair does not go up examination refraction arm does not go down Is the shut off bar activated obstacle Remove the obstacle under the switch off bar Figure 14 ...

Page 27: ...g contacts Inspection of foreign parts in the unit Inspection of the safety devices Cleaning of the rails Lubrication of the rails Service intervals type B every 2 years Safety inspection STK incl DGUV A3 according to VDE 0751 Inspection of the condition of all external cables check for insulation damage General check of correct function Inspection of the sliding contacts with inspection of foreig...

Page 28: ... to dry completely before putting it back into operation Disinfection of the surfaces oft the examination refraction unit All surfaces can be disinfected by the disinfectant Meliseptol Foam Pure or Meliseptol Rapid Wet all plastic and painted surfaces completely with Meliseptol Foam Pure and rub with a clean cloth Do not rub the surfaces too dry IMPORTANT Make sure never to wet the keyboard and th...

Page 29: ...0 V devices Multifunctional column Chart projectors incl projector adapter Reading lamp incl adapter Monitor holder Phoropter rail with phoropter arm Straight Physiologically inclined With tilt device physiological tilt device Chair All patient chairs from Block Optic Dditional foot switch for the lifting movement of the patient chair Docking station for a handicapped accessible examination refrac...

Page 30: ... ensures that valuable raw materials are not wasted and harmful substances are not released into the environment Note and manufacture s declaration regarding electromagnetic compatibility EMC The VarioCarat examination refraction unit fulfils the EMC requirements according to EN 60601 1 2 and is constructed in such a way that the generation and emission of electromagnetic disturbances are limited ...

Page 31: ...del VarioCarat Block Optic Design GmbH Semerteichstr 60 44141 Dortmund Tel 49 231 1087785 0 Fax 49 231 1763065 27 Drawings Figure 16 Examination and refraction unit VarioCarat right version for 2 devices ...

Page 32: ...on the approximation of the laws of the Member States 2014 30 EU electromagnetic compatibility 2017 745 EU medical devices The following standards were used to assess the products EN 60601 1 2006 medical electrical equipment EN 55011 interference emission IEC 801 interference immunity This declaration becomes the responsibility of the manufacturer Block Optic Design GmbH Semerteichstr 60 44141 Dor...

Page 33: ...Model VarioCarat Block Optic Design GmbH Semerteichstr 60 44141 Dortmund Tel 49 231 1087785 0 Fax 49 231 1763065 29 ISO Certificate ...

Page 34: ...Model VarioCarat Block Optic Design GmbH Semerteichstr 60 44141 Dortmund Tel 49 231 1087785 0 Fax 49 231 1763065 30 ...

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