Buchi Rotavapo R-250 User Manual

Operation Manual096796 enRotavapor® Rä250

10 Rotavapor R-2504 Putting into OperationFig. 4.1: Fitting the support rod4.3 Connecting to the Source of EnergyThe rotary evaporator may only be c

11Rotavapor R-250 4 Putting into Operation4.5 Attachement and Removal of the EasyClamp ConnectionAttachment of the EasyClamps #AREFULLYLAYTHE%A

12 Rotavapor R-2504 Putting into Operation4.6 Installation of the Receiving Glass AssemblyAll glassware used must be intact, with no signs of cracks

13Rotavapor R-250 4 Putting into OperationFig. 4.6: Reflux glass assembly4.7 Installation of the Reflux Glass AssemblyAll glassware used must be intac

14 Rotavapor R-2504.8 Installation of the Descending Glass AssemblyAll glassware used must be intact, with no signs of cracks, spreading impact mark

15Rotavapor R-250 4 Putting into Operation4.9 Attaching and Removing the Evaporating FlasksAttaching the flasks 7ITH THESNAP mANGECOUPLING OPEN

16 Rotavapor R-2504 Putting into OperationFig. 4.12: Opening the snap flange couplingFig. 4.11: Releasing the snap flange couplingRemoving the flasks 3

17Rotavapor R-250 4 Putting into Operation4.10 Operating the Shut-off tapThe shut-off tap is of a special design. It does not have a con ti nuous th

18 Rotavapor R-2504 Putting into Operation4.12 Flask Suction (Optional)s !MMDIA04&%HOSEISROUTEDFROMTHEINSIDETHROUGHthe SVL 15 th

19Rotavapor R-250 4 Putting into Operation4.13 Vacuum Controller (Accessory)The process is carried out under vacuum to optimize evapo-risation. The

20 Rotavapor R-2504.14 Connections to the Vacuum and Cooling MediumVacuumThe Rotavapor R-250 is connected to the vacuum source on the rear panel. Th

21Rotavapor R-2504.15 Heating MediumNever operate the heating bath when there is no heating medium in it!Suitable heating media include:s 7ATERSO

22 Rotavapor R-2505 OperationFig. 5.1: Operating unit of the R-2505 OperationMake sure that the unit has been commissioned properly as described in C

23Rotavapor R-250 5 OperationAdjusting the Optional Automatic Lowering of the Baths 0RESS THE BUTTON h,)&4 DOWNv 햳, simultaneously swit ch

24 Rotavapor R-2505 Operation5.4 List of SolventsSolvent Formula Molar Mass Evaporation Boiling Point Spec.Gravity Vacuum in mbar for a

25Rotavapor R-250 5 Operation5.5 TroubleshootingFault Possible cause RemedyBath is not lifted No power supply for bath lift, Contact service depar

26 Rotavapor R-2505 Operation5.7 Error MessagesError messages indicate a defect on the unit and are signalled ONTHEBATHTEMPERATUREDISPLAY4HEYA

27Rotavapor R-250 6 Maintenance6 MaintenancePlease note all rules aimed at keeping the rotary evaporator in a functional condition. These also includ

28 Rotavapor R-2506 Maintenance6.2 Dismantling/Assembling the Flask Snap Flange CouplingDismantling the snap flange couplings #LOSETHETWOSEGMENTS

29Rotavapor R-250 6 Maintenance6.3 Removing/Inserting the Evaporating Flask SealRemoving the evaporating flask seals 3EALTHEHOLDERFORTHESEALBY

3Rotavapor R-250 Table of ContentsTable of Contentsen, Version E (44 Pages) Ordering No.R-250 Operation Manual 96796Read this Operating Manual thro

30 Rotavapor R-2506 Maintenance6.4 Changing the Seals on the Distribution Heads /PENTHE$.%ASY#LAMPBYRELEASINGTHEKNURLEDNUTSon all 3 bolt

31Rotavapor R-250 6 Maintenance6.6 Testing for LeaksWith the assembled rotary evaporator in a clean and dry condition, test it to ensure that the va

32 Rotavapor R-2507 Taking out of Operation7 Taking out of OperationRemove all hazardous materials and clean the unit thoroughly. This prevents any

33Rotavapor R-250 8 Spare Parts and Accessories8 Spare Parts and AccessoriesOnly original BÜCHI accessories and spare parts ensure safe operation an

34 Rotavapor R-2508 Spare Parts and AccessoriesFig. 8.1: Spare parts: Reflux glass assemblyR4113041348411314115127289413082727741336413174143641159357

35Rotavapor R-250 8 Spare Parts and AccessoriesDFig. 8.2: Spare parts: Descending glass assembly27277413354134841334116541076411514113041131414363577

36 Rotavapor R-2508.3 Spare Parts, Drip TrayComponent Ordering No.Single receiverEasyClamp, DN25 41130Industrial tap, small 41062Spindle support

37Rotavapor R-250Component Ordering No.Sealing elementsSupport ring inlet valve 41147Seal SVL 30 00398Screw Cap SVL 30 03223Screw Cap SVL 15 03549

38 Rotavapor R-2508 Spare Parts and AccessoriesFig. 8.6: Snap flange coupling complete with toolFig. 8.7: Cooling water tap, complete41448038104141203

39Rotavapor R-250 8 Spare Parts and AccessoriesFig. 8.9: FlasksFig. 8.10: Splash protection8.5 AccessoriesComponent Ordering No.KolbenEvaporating flas

4 Rotavapor R-2501 Scope of Delivery1 Scope of DeliveryFig. 1.1: R-250, Overall viewComponent1 Chassis, complete, with Control Rotation drive Heat

40 Rotavapor R-2508 Spare Parts and AccessoriesFig. 8.11: Vacuum controller incl. supportFig. 8.12: Water valveComponent Ordering No.Vacuum Controlle

41Rotavapor R-250 8 Spare Parts and Accessories8.6 Hose ConnectionsComponent Ordering No.Water:PVC hose, ID 10 mm 27146PVC hose, ID 14 mm 17383Y-pi

42 Rotavapor R-2508 Spare Parts and AccessoriesFig. 8.13: Connections to rear panel8.7 Connections to Rear Panel햵햲햳햴Component Ordering No.Vacuum Con

43Rotavapor R-250 9 Appendix9 Appendix9.1 Technical DataR-250Power connection 7.5 kWConnection voltage 400 – 440 V (3P +N), 50 / 60 HzFuse (live, n

44 Rotavapor R-2509 Appendix 9.3 Declaration of Conformity

BÜCHI Labortechnik AGCH-9230 Flawil 1 / SwitzerlandT +41 71 394 63 63 F +41 71 394 65 65 www.buchi.com Quality in your hands

5Rotavapor R-250 2 Safety2 SafetyThis unit has been built in accordance with the latest state of the art and with recognized rules of safety.Neverthe

6 Rotavapor R-2502 Safety2.4 Unauthorized UseAny use other than those indicated above, and any use that is not in conformity with the Technical Data

7Rotavapor R-250It is always mandatory to wear personal protective gear such as protective eyewear and protective clothing.The machine must never be r

8 Rotavapor R-2503 FunctionFig. 3.1: Functional elements of the R-2503 FunctionA vacuum rotary evaporator is used for quick single-stage distillation

9Rotavapor R-250 4 Putting into Operation4 Putting into OperationThe danger zone around the Rotavapor R-250 can extend outward by up to 10 m. When w