IMPORTANT INFORMATION Operating Instructions. • The developer unit herein described conforms to the relevant safety standards 1. Notes valid at this time. All switches, processes, trade marks, software programs and 1.1 CE - Labeling appliances named in this document are This product bears the CE- Labeling in registered names.
1.7 Warnings and Symbols • The operator must be knowledgeable in the operation of the appliance. In the Installation and Operating Instructions • The product is not designed to be used in use is made of the following terms or medical treatment areas where there exists symbols to denote information of special the danger of explosion.
230 - 240 Is the regeneration unit to be Frequency (Hz) connected to a developer of the Power model XR 24, XR 24 II, XR 24 NOVA consumption (A)0.65 / 0.9 to an XR 24 PRO? Output (W) 50 - 80...
5. FUNCTIONAL DIAGRAM 5.1 Regeneration Unit connected to XR 24, XR 24 II, XR 24 NOVA 50% OFF REG. 100% ON 5.2 Regeneration Unit connected to XR 24 PRO...
The software in the service program of the XR 24 PRO allows the running time of the regeneration pumps to be set at any interval between 0 s and 60 seconds, see section 11.3.
INSTALLATION 7. Set-up alternatives for Regeneration Unit • Set-up of Regeneration Unit RU 24 next to the X-ray developer: Where sufficient space is available, this set-up is preferred. • Set-up of Regeneration Unit RU 24 in a cupboard: The operator must be instructed to check the state of the chemicals regularly.
8. Preliminary measures The following measures need only be taken when the Regeneration Unit is subsequently being connected to a X-ray developer. • Remove mains plug (1) from socket • Lift cover (2) • Drain any chemicals from the X-ray developer •...
9. Hose connections 9.1 Hose connection to XR24, XR 24 II, XR 24 NOVA or to XR 24 PRO with serial number up to T005999 The regeneration connection is effected using the nozzles to the tank at 16E and 16F, see figs. 6 and 7.
10. Electrical connections 10.1 XR 24, XR 24 II, XR 24 NOVA • Place the appliance plug into the socket (15a) to the rear of the X-ray developer and secure in place with the locking screw. 10.2 XR 24 PRO •...
11.2 XR 24 II and XR 24 NOVA The controller for the Regeneration Unit of XR 24 II and XR 24 Nova is not integrated into the main board. For these models the controller can be found on the PCB (24), Order No.
X-ray developer (Fig. 14). Please refer to the Installation and Operating Instructions of the X-ray developer XR 24 PRO (order no. 9000-600-74/30) See section 18.6 Service Routine. • • • • • Start Service Routine Switch off appliance at main switch (press min.
12. Check Settings 12.1 XR 24, XR 24 II, XR 24 NOVA 12.2 XR 24 PRO Check regeneration at start of operation A processor in the electronics of the XR 24 PRO stores the complete • Main switch ON developing time, therefore setting •...
13. Setting Regeneration Pump Piston Stroke The amount of chemicals actually transported by the Regeneration Unit can be adjusted by % OF STROKE altering the setting of the piston stroke. If the amounts pumped by the developer pump and the fixer pump are not the same then this can be regulated by altering the piston stroke of each pump.
See section 15.1 or 15.2. Every 3 months Change chemicals (See Installation and 15.1 XR 24, XR 24 II, XR 24 NOVA Operating Instructions 9000-600-74/30) Regeneration on operation activated • Switch the X-ray developer on and wait...
Repairs may only be carried out by Dürr Dental or by a person or agency authorised by Dürr Dental. Before carrying out any repair or maintenance procedures remove power supply! 18. Troubleshooting Tips for XR 24, XR 24 II, XR 24 NOVA Fault Possible causes Remedy 1.Regeneration...
(e.g. turn the fan wheel). • Regeneration time at • Set potentiometer to ca. 30s and potentiometer set at 0s. check amount of regeneration material pumped. 19. Troubleshooting Tips XR 24 PRO Fault Possible causes Remedy • Regeneration time set too long. 1.Regeneration •...
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