Durr Dental XR 24 Installation And Operating Instructions Manual Download Page 3

3

IMPORTANT INFORMATION

1. Notes

1.1 CE - Labeling

This product bears the CE- Labeling in
accordance with the guidelines of the
Medical Products Committee 93/42/EWG and
satisfies all criteria of the Appendix I to said
guidelines.

1.2 Electromagnetic Compatibility

• This product conforms to all requirements

laid down for Electromagnetic Compatibility
of Medical Appliances.

1.3 General Notes

• These Installation and Operating

Instructions form an integral part of the unit.
They must be kept close to the unit and in
readiness whenever required. Precise
observance of these instructions is a pre-
condition for use of the unit for the intended
purpose and for its correct installation and
operation.
These Installation and Operating
Instructions should be passed on to any
future purchaser or explained to any new
operator.

• Safety for the operator as well as trouble-

free operation of the unit are only ensured if
use is made of original equipment parts.
Moreover, use may only be made of those
accessories that are specified in the
technical documentation or that have been
expressly approved and released by Dürr
Dental for the intended purpose.

Any warranty or 

guarantee

 becomes

invalid

 in the case where parts or

accessories are used which are not
supplied by Dürr Dental.

• Dürr Dental only regard themselves as

being responsible for the equipment with
regard to safety, reliability and proper
functioning if assembly, resettings,
changes or modifications, extensions and
repairs have been carried out by Dürr
Dental or an agency authorized by Dürr
Dental and if the equipment is used in
conformity with the Installation and

Operating Instructions.

• The developer unit herein described

conforms to the relevant safety standards
valid at this time. All switches, processes,
trade marks, software programs and
appliances named in this document are
registered names.

• Any reprinting of the technical

documentation, in whole or in part, is
subject to prior written approval of Dürr
Dental.

1.4 General Safety Information

This appliance has been so designed and
constructed by Dürr Dental that any danger
arising from the use of this product is
virtually excluded provided it is fitted
according to the instructions. However, in
order to avoid any possible damage or injury
we are obliged to point out the following
safety measures.

• When operating this appliance all local

rules and regulations must be observed!
Any modification whatsoever is not
permitted: any guarantees covered by
Dürr Dental thus become invalid. In the
interests of ensuring problem-free running
the owner and operator are responsible for
observing all rules and regulations.

• Retain all packing material for possible

return of the product to the manufacturer.
Take care that it does not fall into the hands
of children. Only the original packing
guarantees optimal safety of the appliance
during transport.

Should return of the product to the
manufacturers be necessary during the
guarantee period, Dürr Dental accepts no
responsibility for damage occurring during
transport where the original packaging
was not used!

• This product is a technical appliance and

may only be installed and operated or
used by someone who has been trained or
who has experience of how to use the
appliance correctly.

• Before every use the operator must check

the functional safety and the condition of
the appliance.

Summary of Contents for XR 24

Page 1: ...Installation and Operating Instructions DÜRR Regeneration Unit for X ray developers XR 24 XR24 II XR 24 Nova XR 24 Pro 2006 01 ...

Page 2: ...Regeneration Unit RU 24 connected to XR 24 PRO 7 Installation 7 Set up alternatives for Regeneration Unit 8 8 Preliminary measures 9 8 1 Remove front cover 9 8 2 Remove rear cover 9 8 3 Remove side covers 9 9 Hose connections 10 10 Electrical connections 11 10 1 XR 24 XR 24 II XR 24 NOVA 11 10 2 XR 24 PRO 11 11 Setting the Regeneration Electronics12 11 1 XR 24 12 11 2 XR 24 II and XR 24 NOVA 13 11...

Page 3: ...is used in conformity with the Installation and Operating Instructions The developer unit herein described conforms to the relevant safety standards valid at this time All switches processes trade marks software programs and appliances named in this document are registered names Any reprinting of the technical documentation in whole or in part is subject to prior written approval of Dürr Dental 1 ...

Page 4: ...xtension cables should be used to connect the machine to the power outlet Warning Check the appliance and the power supply cables for correct installation and possible damage before switching on Damaged cables plugs and sockets must be replaced before use The appliance should not be used in the patient s vicinity A minimum distance to patient of 1 5 meters is recommended 1 7 WarningsandSymbols In ...

Page 5: ...ion as described in section 11 2 The assembly set 1700 284 00 is then no longer required 3 1 Accessories 1 Assembly set for XR 24 Pro only 1700 284 00 3 2 SpecialAccessories The following parts are not part of the standard contents Order separately if required 1 PCB conversion set only for XR 24 II and XR 24 NOVA 1700 212 00 4 Technical Data Regeneration Unit RU 24 for X ray developers XR 24 Model...

Page 6: ...6 50 OFF 100 ON REG S1 0 10 20 30 40 50 60 A2 B C D G H A1 A I B H J 5 2 Regeneration Unit connected to XR 24 PRO 5 FUNCTIONALDIAGRAM 5 1 Regeneration Unit connected to XR 24 XR 24 II XR 24 NOVA ...

Page 7: ...ive motor impulse generator A2 XR24 Nova Drive motor impulse generator B Regeneration Unit C PCB regeneration switch On Off D Potentiometer for time setting G Reduction of regeneration time to 50 30s H Film intake light barrier 6 2 Regeneration Unit RU 24 connected to XR 24 PRO The regeneration pumps of the XR 24 PRO are reactivated after every length of 1 3m of developed film material For the dur...

Page 8: ...als regularly Set up of Regeneration Unit RU 24 above the level of the X ray developer is not permissible This set up position makes it possible that chemicals leak into the X ray developer baths Please ensure that all connecting hoses from the Regeneration Unit RU 24 to the X ray developers are laid without any twists or bends The distance between Regeneration Unit and X ray developer should not ...

Page 9: ...een catch 3 and the clips 4 of the dryer roller set 5 Swing the dryer roller set 5 towards the rear and lift out Rinse the baths with warm water Close the water tap Remove the cover necessary for working 8 1 Remove front cover Unscrew the two quick release screws 11 from the front cover panel 12 Unscrew the three Philip s screws 7 and remove the front cover panel 12 8 2 Remove rear cover Unscrew t...

Page 10: ...s Uncsrew the locking nuts 18 on the connectors 16E and 16F Remove the black plugs 20 Slide the locking nuts 18 and the grey hose locking ring 19 onto the connecting hose 13 and 14 Slide the connecting hose for developer black 13 and fixer red 14 all the way onto the appropriate connector sleeve 16E and 16F of the bath and secure in place with the locking nut 18 E Developer bath F Fixer bath 9 2 H...

Page 11: ...4 PRO Remove socket cap 15b to the rear of the X ray developer Use the connection port 15a from the assembly set provided 1700 284 00 Put connection port into the prepared opening using the 4 screws Connect the cable set as illustrated Fig 9 Place the Regeneration Unit plug in the socket and secure in place with the locking screw X1 X2 Plug X3 Regeneration Unit Circuit diagram XR 24 PRO 8 15a 15b ...

Page 12: ...s set to ON then additionally regeneration will take place every time the appliance is switched on Switch S1 50 100 If switch 21 is set to 100 then the maximum pump running time of the Regeneration Unit is 60s By turning the switch 21 to 50 then the maximum pump running time of the Regeneration Unit is halved to 30s Potentiometer REG regeneration time The amount of chemical transported to the X ra...

Page 13: ...eration is additionally activated and when the X ray developer is switched on regeneration occurs If switch 27 is set to OFF regeneration occurs only after 1 3m of film has been developed Switch X4 50 100 If switch 26 is set to 60s then the maximum pump running time of the Regeneration Unit is 60s If switch 26 is set to 30s then the maximum pump running time of the Regeneration Unit is halved to 3...

Page 14: ... 9000 600 74 30 See section 18 6 Service Routine Start Service Routine Switch off appliance at main switch press min 2 s Simultaneously press min 4s Appliance is in service set up routine Service function selection Using keys and display select REGENERATE then select REGEN ON Alter setting Factory setting 30s or changes the parameter value confirms new value Finish service set up routine Switch of...

Page 15: ...er If necessary alter the pump transport settings See section 13 Setting regeneration pump piston stroke 12 2 XR 24 PRO A processor in the electronics of the XR 24 PRO stores the complete developing time therefore setting option selection is not required Check regeneration impulse for film length Switch on the X ray developer and select program Endo film transport time 2 45 min Lay a film in the f...

Page 16: ...crew 30 14 Commissioning After finishing all re setting that may be necessary drain all water from the baths in the regeneration unit of the X ray developers and place the chemicals into position as appropriate for the model of X ray developer and according to the Installation and Operating Instructions of that model The X ray developer should never be operated without the roller set If a roller s...

Page 17: ...on on operation deactivated Switch the X ray developer on and select fast forward operation Lay a film in the film intake such that the film intake flap is activated but so that the film is not transported Wait approx 30 min until the Regeneration Unit has operated 4 times Remove the film from the film intake and let the cycle continue til the end lifting bath in upper position Switch off X ray de...

Page 18: ... appropriately Possiblecauses Frequent use of the appliance main switch surgery mains switch or constant interruption of power supply Only when Regeneration on Operation activated Electronic relay K3 of XR24 sticks or electronics defect Regeneration containers empty Pump operating time too short Regeneration containers or their hoses are interchanged Non return valve of regeneration pump stuck or ...

Page 19: ...lean non return valve replace if required Check for correct positioning Lay the hoses with no twists or bends Observe film shelf life date Observe chemicals shelf life date If shelf life of chemicals is exceeded do not use and dispose of appropriately Check the impulses of the light barrier and the impulses of the roller drive or replace electronics Check all cable connections Check the motor for ...

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