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Buchi Rotavapor R-187EL, Instructions Manual, Page: 11 / 42

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11

BÜCHI 

Rotavapor

 R-187EL

4.5 Mounting the support

(for descending glass assembly)

•

Push support bar 

 

 on the cone 

 and screw tight with

clamp 

•

Tighten the condenser contact ring 

 a distance of 560

mm above the top edge of the housing.


Figure 8: Support for descending glass assembly

4 Putting into operation

Summary of Contents for Rotavapor R-187EL

Page 1: ...trical unit 37 8 7 Accessories 38 9 Appendix 40 Subject to change without prior announcement No part of these operating instructions may be reproduced in any form or be pro cessed duplicated or distributed by electronic or optical means without the written permission of Büchi Labortechnik AG All rights reserved Copyright Büchi Labortechnik AG 1996 Read these operating instructions carefully before...

Page 2: ...and 13 for illustrations Enclosed items Order No 1 Hex head wrench set SW2 SW10 03776 1 Hook wrench small 03753 1 Hook wrench large 34870 1 Seal removal tool 20057 1 Hydraulic oil 15L 28830 1 Operating instructions German 96610 English 96611 French 96612 Table 1 Scope of delivery 1 Scope of delivery 1 Scope of delivery Figure 2 R 187 descending glass assembly Figure 1 R 187 Reflux glass assembly ...

Page 3: ... customer The Rotavapor must only be operated by persons who have the training or professional experience to comprehend the hazards that can arise when using the instrument Personnel without such training or persons currently undergoing a course of training require thorough instruction These operating instructions should form the basis of this instruction 2 3 Proper use The Rotavapor is designed a...

Page 4: ...luted solvents which in the course of distillation may form residues that lead to spontaneous reactions e g metal hydrides solvents which can form peroxides risk of explosion solvents with low ignition flash and or explosion temperatures mixtures of unknown composition or with impurities damaged glassware combustible gases or solvent vapors which are not permitted by the explosion proof safety sta...

Page 5: ...sonnel These operating instructions are also available in other languages for this purpose They are to be considered an integral part of the Rotavapor and must always be kept at the unit s point of use The customer shall notify the manufacturer immediately of any incidents involving safety aspects during the use of the appliance Modifications Modifications are only permitted after consulting with ...

Page 6: ... contents from overheating Level regulation with bath overflow Glassware Use of high grade inert 3 3 borosilicate glass Grease free ground glass joints with inserted PTFE seal for inert non stick vacuum connections Flexible ball and socket couplings with plastic insert for stress free fastening of the ground glass joints Threaded glass connections on all remaining glass joints to prevent glass bre...

Page 7: ...otating evaporating flask generates intensive turbulence in the flask and forms a thin film of solvent on the inside surface of the flask This combination of turbulence and film prevents local overheating and guaran tees a high rate of distillation Rotary drive The drive unit ensures uniform rotation of the evaporating flask Cooling zone The solvent vapor flows at high speed into the condenser Thi...

Page 8: ...ÜCHI Rotavapor R 187EL 3 2 Overview of components Evaporating flask Control panel Chassis with hydraulic drive Bath Glass assembly Sealing system Receiving flask Figure 4 Components of the R 187 3 Function ...

Page 9: ... surface in a rarely frequented area to minimize glass breakage Always make sure that the unit s explosion proof classification complies with the room s explosion proof classification 4 2 Unpacking Open all boxes carefully to avoid any glass breakage Wooden crate Box for the distribution piece Box for the oil canister Box for the other glass components Box for the metal parts Box for the small con...

Page 10: ... the Max mark on the level indicator Figure 6 Hydraulic unit with oil filling neck 4 4 Mounting the support for reflux glass assembly Push support bar on the cone and screw tight with clamp Tighten the condenser contact ring a distance of 770 mm above the top edge of the housing Tighten the aftercondenser clamp a distance of 325 mm above the top edge of the housing Figure 7 Support for reflux glas...

Page 11: ...rt for descending glass assembly Push support bar on the cone and screw tight with clamp Tighten the condenser contact ring a distance of 560 mm above the top edge of the housing Figure 8 Support for descending glass assembly 4 Putting into operation ...

Page 12: ...ing a flexible coupling Preassemble the shut off valve with adapter and shut off valve flexible couplings DN 25 Tighten the outlet valves to the receiving flask using flexible couplings Place the receiving flask on the support rings Place the pre assembled shut off valves on the receiving flasks and fasten Raise both support rings until the shut off valve can be screwed to the distillate condenser...

Page 13: ...xible couplings Place the receiving flask on the support rings Preassemble the shut off valve with adapter and shut off valve Place the pre assembled shut off valves on the receiving flask and fasten Connect the distillate condenser to the backflow distri butor piece and shut off valve and fasten with clamp If necessary adjust the height with the support ring Tightly screw the coolant hose connect...

Page 14: ...pairing the hydraulic system s efficiency As an option operation with a cooling brine with a temperaure below 5 C is possible Please ask your Büchi Service Centre 4 Putting into operation 4 9 Connections Vacuum connection Hose connector Ø 21 mm external Coolant inlet Hose connector Ø 21 mm external Coolant with temperatures below 5 C can only be used with a control valve see Section 4 8 Coolant ou...

Page 15: ... connector Ø 14 mm external Control valve for bath trickle feed device 4 Putting into operation Figure 13 Bath connections Vacuum hose Coolant hose outlet Coolant hose inlet The vacuum connection for the descending glass assembly is on the distillate cooler Figure 14 Connections for reflux glass assemby ...

Page 16: ...ase switch power off immediately and reverse the phase wires Prolonged use in the wrong direction will damage the hydraulic motor Figure 15 Wiring diagram 4 11 Heating medium Never operate the heating bath without heating medium Suitable heating media are Water if distilled or demineralised water is used add some Borax Heat transfer oil suitable for applications up to 160 C e g Ucon HTF 14 Fluka A...

Page 17: ...al position neutral 5 Operating the Rotavapor Figure 16 Controls and indicators on the R 187 EL electrical heated 5 2 Controlling the bath temperature After switching on the main power of the R 187 you will read P nr in the upper display of the controller In the lower the actual programnumber X X After ca 5 sec the controller switches to the user mode automatically Operation The operation of the c...

Page 18: ...the distillation temperature For optimum conditions of distillation the energy transferred to the distillation from the bath must also be removed by the condenser To guarantee this relationship it is advisable to apply the following rule of thumb Cooling water T2 Boiling temperature T1 Bath max 20 ºC 40 ºC 60 ºC How do you obtain these conditions Set the bath temperature to 60 C Set the cooling wa...

Page 19: ...4 O 102 0 318 68 0 724 375 Dioxane C4 H8 O2 88 1 406 101 1 034 107 DMF Dimethylformamide C3 H7 NO 73 1 153 0 949 11 Ethanol C2 H6 O 46 0 879 79 0 789 175 Ethyl acetat C4 H8 O2 88 1 394 77 0 900 240 Heptane C7 H16 100 2 373 98 0 684 120 Hexane C6 H14 86 2 368 69 0 660 335 Isopropyl alcohol C3 H8 O 60 1 699 82 0 786 137 Isoamyl alcohol 3 Methyl 1 Butanol C5 H12 O 88 1 595 129 0 809 14 Methyl ethyl k...

Page 20: ...lic hoses reversed Call Customer Service in wrong direction Bath does not heat up Polluted thermostat Call Customer Service Heating element not connected Insert heating plug Protecting switch is losen Open the socket by loosing the 4 screws and activate the protecting switch Close the socket again Figure 19 System has a leak Valves open Close valves Seals defective Check seals Glass connections le...

Page 21: ...hydraulic oil at intervals of approx 3000 operating hours Hose 20 litre vessel Pump The oil must be fully emptied to carry out any repairs to the hydraulic unit Possible hydraulic oil brands Agip OSO 45 NUTO H 46 Aral Vitam HF 46 FINA Hydran 46 Aral Vitam DE 46 RENOLIN MR 15 AVILUB Hydr Oil RSL 46 RENOLIN B 15 AVILUB Hydr Oil HVI 46 GULF Harmony 46AW BLASOL 158 HYDROLUBRIC VG 46 BP Energol HLP 46 ...

Page 22: ...al Do not change the vacuum seal when a batch is on the unit This can cause contamination of the product by particles The vacuum seal should be cleaned according to how intensively the unit is used but at least once every six months During the run in period of approx 10 hours the seal is subject to a higher rate of abrasion This is normal for PTFE seals Cleaning To remove the seal pack you must fi...

Page 23: ... not overtighten or you may damage the seal To prolong the life of the seal note the following points Never apply any grease to the seal Never touch the seal with sharp objects Examine and clean the seal regularly 6 6 Leak test After you have completely assembled the rotary evaporator and before you put it into operation i e in a clean and dry condition check that it is vacuum tight To do so evacu...

Page 24: ...ransporting the unit and the glass components Use only the original packaging when transporting the items to another location 7 3 Disposal To help you dispose of the rotary evaporator in as environment friendly a way as possible we have listed the materials and material codes of its main parts in Chapter 9 Annex Table 12 You are thus able to sort the parts accordingly for recycling The disposal of...

Page 25: ...d accessories is only permitted with the express consent of the manufacturer The spare parts catalogue may only be used in conjunction with Chapter 4 and 7 of these operating instructions for installation and dismantling purposes Third parties are not allowed access to or possession of this manual The use of this manual for production purposes is prohibited Copyright is retained by Büchi AG 8 Spar...

Page 26: ...8671 003842 028684 028706 028705 003636 003842 028684 003644 028706 027147 016814 017496 016814 028697 027147 016814 003842 017279 028709 003841 003627 003841 028711 027958 027704 028710 003841 028720 003841 034367 003842 028712 003844 003839 X X 003631 003842 028690 028690 8 Spare parts ...

Page 27: ...ox 13 18 28 016814 Spiralflex hose 017496 PVC plastic hose 027147 Evaporating flask 100L 027704 Evaporating flask 50L 027958 Receiving flask 20L 028671 Hose connector DN25 028684 Slanted seat valve DN25 028690 Corner valve 028692 Glass tube 028693 Corner valve DN25 028697 Support bar 028705 Fixing clip 028706 Temperature sensor 0 120 028708 Angle tube 028709 Condenser descending 1 6 m2 028710 Dist...

Page 28: ...3842 028684 003644 028706 027147 016814 017496 016814 028697 027147 016814 003842 028671 028693 027958 027704 028711 003841 028661 017279 028732 028684 003842 028663 003841 003842 028720 028664 003842 034367 003842 003842 028690 x x 8 Spare parts Figure 24 Spare parts for reflux glass assembly ...

Page 29: ...ask 100L 027704 Evaporating flask 50L 027958 Distribution piece for reflux 028661 Reflux condenser 1 6 m2 028663 Distillate cooler 0 1 m2 028664 Receiving flask 20L 028671 Hose connector DN25 028684 Slanted seat valve DN25 028690 Corner valve 028692 Glass tube 028693 Corner valve DN25 028697 Support bar 028705 Fixing clip 028706 Tube clip DN160 028707 Front panel complete 028708 Distribution piece...

Page 30: ...55 028741 028740 028738 028751 L 400 034386 028742 L 600 034135 028740 5x 028741 027752 026384 028739 019780 028740 028741 028789 B 028745 028741 026384 027752 8 Spare parts Figure 25 Service parts for the hydraulic drive A C 028743 L 1000 C B C ...

Page 31: ...500 mm 028738 Sealing ring 1 2 028739 Socket 3 8 028740 Angle connection 028741 Hydraulic hose L 600 mm 028742 Hydraulic hose 1000 mm 028743 Hydraulic hose L 800 mm 028744 Socket 028745 Hydraulic hose L 400 mm 028751 Hydraulic unit 028755 Aluminium tube for flange tool 028757 Oil cooler 028789 Hydraulic oil 5L 028983 Screw cap A7 034135 Oil filter 034386 Table 7 Spare parts for the hydraulic drive...

Page 32: ...027147 L 800 027147 L 900 A B C B C A C C B B 003810 003693 028672 028674 028801 016814 028801 028675 028673 028801 028677 028676 003822 001297 016814 028678 028673 028675 028769 016814 028801 Figure 26 Spare parts and Service parts for the cooling water and vacuum tube connections ...

Page 33: ... 13 18 28 016814 Spiralflex hose L 700 mm 017496 PVC hose L 800 mm 027147 Partition coupling 1 2 028672 Partition coupling G 3 4 028673 Reducing nipple 3 4 1 2 028674 Double nipple 3 4 028675 Double reducing nipple 3 4 1 4 028676 T piece 3 4 028677 Angle sleeve 3 4 028678 Threaded coupling 028679 Threaded coupling 028769 Hose socket 3 4 028801 Table 8 Spare parts for the cooling water and vacuum t...

Page 34: ... gear head upper side view lower front view 027595 022633 027977 027976 027597 003828 027743 010677 027511 027746 027748 027745 028600 022823 022819 003654 003653 022636 019921 019922 027200 027510 027595 027742 028602 027741 8 Spare parts 003828 028611 027978 ...

Page 35: ... complete 022819 main flange 022823 Lock complete 027200 Nut cap D 15 027301 Steering Rack 027510 Hub 027511 Union nut 027595 Threaded ring 027597 Bearing ring 027740 Motor flange 027741 Gear shaft 027742 Bearing cover 027743 Spacing bush 027745 Spacing bush 027746 Helical gear 027748 Flange clamping ring 027976 Evaporating flask seal 027977 Axial piston motor 027978 Ring nut M 75 x 2 028600 Seali...

Page 36: ...HI Rotavapor R 187EL 8 Spare parts 003015 028650 001297 028656 L 420 mm L 310 001297 003815 028651 001297 028646 003081 028649 Figure 28 Service parts for the electrically heated unit 50 L 027759 100L 034446 ...

Page 37: ...zle 003081 Hose nozzle D 16 3 8 003815 Screw in angle RK 3 8 D 15 028646 Ball valve 028649 Shut off corner valve 028650 Screw in angle RK 3 8 D 10 028651 EDPM condenser hose D 13 mm 028656 Bath pan 50 L 027759 Bath pan 100 L 034446 Table 10 Spare parts for the steam heated unit 8 Spare parts ...

Page 38: ...ts The baffles fitted around the flask circumference ensure intensive circulation of the flask contents 20 L drying flask 028882 50 L drying flask 028878 Splash guard for the 50 L water bath 028885 Splash guard for the 50 L oil bath 028879 Figure31 Splashguard 8 Spare parts 8 7 Accessories 20 L evaporating flask 028880 50 L evaporating flask 027958 100 L evaporating flask 028704 ...

Page 39: ...r R 187EL Figure32 Adapter 8 Spare parts Adapter complete for flask neck 115mm 028881 PTFE vacuum seal Adapter ring Flange clamping ring Union nut Screw for positioning the adapter ring Vacuum pump Sogevac SV 40 034063 ...

Page 40: ...essure range 1 mbar atmospheric pressure Dimensions Reflux assembly 163 x 90 76 x 280 cm LxBxH Descending assembly 163 x 90 76 x 265 cm LxBxH Net weight approx 340 kg Voltage 3 x 230 V 50 Hz 3 x 400 V 50 Hz 3 x 220 V 60 Hz Power requirement approx 6000 W Current consumption max 10 A at 400 V Coolingwaterconsumption approx 600 litres h Heating bath temperature 20 100 C range Max evaporation capacit...

Page 41: ...Material code Chassis St 50 2 1 0632 6 Inside bath wall X 2 CRNIMO 18143 1 4435 acid resistant Outside bath wall X 5 CRNI 1810 1 4301 stainless steel Glass Borosilicate 3 3 Seal Polytetrafluor ethylene PTFE Casters Solid rubber Table 12 Materials used 9 Appendix ...

Page 42: ...uipment for mesurement control an laboratory use General requirements EN 55011 1991 B VDE 0875 B VDE 0871 B Limits and methods of measurement of radio disturbance characteristics of industrial scientific and medical radiofrequency equipment EN 61000 3 2 1995 1996 Limits for harmonic current emissions EN 61000 3 3 1995 Limitation of voltage fluctuations and flicker Following the provisions of EU Di...

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