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Büchi Labortechnik AG

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Operation Manual Rotavapor® R-250 Pro

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10.5

Adjusting the cooling water flow sensor

Precondition:

The cooling water flow sensor is installed on
the instrument. See Chapter 5.8.4 "Installing
the cooling water flow sensor (option)",
page 38

The instrument is switched on.

The display does not show an error.

Loosen the screw.

Move the sensor until the display shows an
error.

Secure the sensor in place with the screw

Switch the water supply to on.

The error on the display disappear.

10.6

Adjusting the level sensor

Status LED

Explanation

Liquid is detected

OFF

Liquid is not detected

Precondition:

The sensor is connected to the instrument. See
Chapter 5.8.5 "Installing the level sensor
(option)", page 39

Open the protective cap.

Hold the Sensor next to the liquid.

Adjust the adjustment screw so that the LED
light is on when the sensor is near to the liquid.

10.7

Adjusting the foam sensor

Status LED

Explanation

Liquid is detected

OFF

Liquid is not detected

Summary of Contents for Rotavapor R-250 Pro

Page 1: ...Rotavapor R 250 Pro Operation Manual 11594225 A en...

Page 2: ...s the right to make changes to the manual as deemed necessary in the light of experience especially with respect to structure illustrations and technical details This manual is copyrighted Information...

Page 3: ...High internal pressure 10 2 7 3 Hot surfaces and liquids 10 2 7 4 Rotating parts 10 2 7 5 Faults during operation 10 2 7 6 Glass breakage 10 2 8 Modifications 11 3 Product description 12 3 1 Descripti...

Page 4: ...pply with a recirculating chiller option 33 5 6 2 Installing the cooling water supply without a recirculating chiller option 34 5 7 Heating bath installations 35 5 7 1 Installing the splash protection...

Page 5: ...g the overtemperature protection 56 10 4 Replacing the inlet valve plunger 56 10 5 Adjusting the cooling water flow sensor 57 10 6 Adjusting the level sensor 57 10 7 Adjusting the foam sensor 57 11 Ta...

Page 6: ...character draws attention to a requirement that must be met before the instructions below are carried out u This character indicates an instruction that must be carried out by the user This character...

Page 7: ...in areas which require explosion safe instruments Use of the instrument for processing substances in the food animal feed or cosmetics industries Use of samples which can explode or inflame example ex...

Page 8: ...service technicians Service technicians authorized by BUCHI have attended special training courses and are authorized by B CHI Labortechnik AG to carry out special servicing and repair measures 2 4 P...

Page 9: ...vice damage Dangerous electrical voltage Hot surface Hand injuries Fig 1 Location of the warning symbols on the instrument 2 7 Residual risks The device has been developed and manufactured using the l...

Page 10: ...acuum connection open 2 7 3 Hot surfaces and liquids The heating bath evaporating flask and parts of the condenser can become very hot If touched they can cause skin burns u Do not touch hot surfaces...

Page 11: ...s for damage every time they are to be used u Do not continue to use glass components that are damaged u Always wear protective gloves when disposing of broken glass 2 8 Modifications Unauthorized mod...

Page 12: ...o the coolant fluid so that the vapor re condenses The resulting solvent is collected in the receiving flask and can then be reused or properly disposed of Distillation under vacuum Distillation capac...

Page 13: ...1 U tube 2 Distribution piece 3 Gear box 4 Snap flange coupling 5 Evaporation flask 6 Heating bath 7 Castor wheels 8 Holder vacuum pump option 9 Drain valve heating bath 10 Heating bath lift 11 Hex k...

Page 14: ...le glassware 1 Expansion vessel 2 Vapor temperature sensor 3 Condenser 4 Support rod 5 Yoke 6 Receiver aeration valve 7 Cooling water flow sensor option 8 Vacuum valve option 9 Aeration valve 10 Heati...

Page 15: ...on slots 2 VacuBox see Operation Manual Interface I 300Pro 3 Cooling water temperature marked CW TEMP 4 Level sensor 2 marked LEVEL 2 5 Reserve marked R SERVE INPUT 6 BUCHI standard communication port...

Page 16: ...s of the configuration of the purchase order Accessories are delivered as per the purchase order order confirmation and delivery note 3 4 Type plate The type plate identifies the instrument The type p...

Page 17: ...on degree 2 Overvoltage category II Pump outlet max 2 A Rotation speed range 5 120 rpm Heating bath temperature range 20 180 C 2 C Adjustment accuracy 1 C Regulation precision At 60 C 1 C At 95 C 2 C...

Page 18: ...allation site meets the requirements for the connected devices See related documentation The installation site meets the safety requirements See Chapter 2 Safety page 7 The installation site meets the...

Page 19: ...ransport NOTICE Risk of breakage due to incorrect transportation u Make sure that the device is fully dismantled and all parts of the device are safely packed in such a way as to prevent breakage idea...

Page 20: ...4 Transport and storage B chi Labortechnik AG 20 78 Operation Manual Rotavapor R 250 Pro u Loosen the transportation lock screws u Remove the transportation lock...

Page 21: ...ctrician or a person with similar expert knowledge u After installation check electrical safety The instrument is design for stationary installation Precondition R The electrical installation is as sp...

Page 22: ...the glassware NOTE Glassware is delivered as per the purchase order order confirmation and delivery note 5 4 1 Glassware assembling instructions Assembling instruction EasyClamp DN40 u Attach the two...

Page 23: ...u Secure the connection in place with the easy clamp Assembling instruction glass bracket u Attach the glass bracket to the condenser Assembling instruction bracket u Attach the expansion vessel to th...

Page 24: ...ruction shut off tap NOTICE Tighten the shut off tap with your hands u Attach the shut off tap to the glassware using the white handle 5 4 2 Installing the inlet valve example u Attach the inlet valve...

Page 25: ...truction bracket page 23 3 See Chapter Assembling instruction glass bracket page 23 4 See Chapter Assembling instruction bracket page 23 5 See Chapter Assembling instruction EasyClamp DN40 page 22 6 S...

Page 26: ...2 3 See Chapter Assembling instruction glass bracket page 23 4 See Chapter Assembling instruction glass bracket page 23 5 See Chapter Assembling instruction bracket page 23 6 See Chapter Assembling in...

Page 27: ...ceiving vessel support page 24 3 See Chapter Assembling instruction EasyClamp DN25 page 22 4 See Chapter Assembling instruction EasyClamp DN25 page 22 5 See Chapter Assembling instruction shut off tap...

Page 28: ...hapter Assembling instruction EasyClamp DN25 page 22 3 See Chapter Assembling instruction shut off tap page 24 4 See Chapter Assembling instruction EasyClamp DN25 page 22 5 4 8 Connecting the receiver...

Page 29: ...epared See related documentation u If possible locate the vacuum pump at the vacuum pump location of the instrument See Chapter 3 2 Configuration page 13 u Attach the vacuum hose to the Aeration valve...

Page 30: ...f a vacuum pump is used prepare the vacuum pump See related documentation u Attach the vacuum valve to the instrument u Attach the vacuum hose to the vacuum valve u Connect the vacuum valve and the ae...

Page 31: ...31 78 u Attach the vacuum hose to Y piece u Attach the condenser vacuum hoses to the Y piece u Attach the vacuum hoses to the condensers u Attach the hose barb to the condenser u Attach the vacuum hos...

Page 32: ...Box 5 5 5 Installing the vacuum connection glass assembly D option u Attach the vacuum hoes to the Aeration valve u Attach the vacuum hose to the condenser u Attach the hose barb to the condenser u At...

Page 33: ...umentation R The inlet water hose for the condenser is prepared u Connect the chiller cable to the related connection on the instrument See Chapter 3 2 Configuration page 13 u Attach the inlet water s...

Page 34: ...lating chiller option Precondition R The water supply meets the technical specification See Chapter 3 5 Technical data page 17 u Attach the water supply hose to the cooling water tap u Secure the wate...

Page 35: ...outlet water supply hose to the Y piece u Attach the outlet condenser hoses to the Y piece u Secure the hoses in place with a hose clamp u Put the other end of the hose in a sink 5 7 Heating bath inst...

Page 36: ...ting bath NOTE u If a heating medium other than clean water is used Obey local regulations and statutory requirements regarding disposal u Attach the drain hose to the drain valve u Install the other...

Page 37: ...s assembly D option page 37 Installing the vapor temperature sensor at the glass assembly R option u Attach the vapor temperature sensor to the distribution piece u Connect the vapor temperature senso...

Page 38: ...distribution piece has the option to install a foam sensor u Attach the foam sensor to the to the distribution piece u Connect the sensor cable to the related connection on the instrument See Chapter...

Page 39: ...onnect the sensor cable to the related connection on the instrument See Chapter 3 2 Configuration page 13 u Activate the sensor in the sensor menu See Chapter 5 8 6 Setting up the sensors page 39 u If...

Page 40: ...Tap the up button to change the status for the level sensor 1 according the requirements u Tap the Aerate button on the interface The setting for the level sensor 1 is saved The instrument shows the...

Page 41: ...1 78 u Install the cover in place u Connect the connection cable to the BUCHI standard communication port COM on the interface u Connect the other end of the connection cable to the BUCHI standard com...

Page 42: ...e 4 According to the current operation Rotation speed Error code 5 UP button According to the current operation Bath lift Sensor settings 6 Down button According to the current operation Bath lift Hea...

Page 43: ...moving the evaporation flask NOTE Removing is done in reverse sequence u Move the heating bath in a lower position u Put the evaporation flask and the flask handler option an the instrument u Lift the...

Page 44: ...g the inlet valve u Attach the solvent hose to the inlet valve u Put the solvent hose into the solvent u Set the flow rate 7 3 Preparing the heating bath CAUTION Risk of skin burns from oil splashes u...

Page 45: ...13 7 4 Draining distillate Precondition R A distillate collection is available u Close the shut off tap u Make sure that the plunger closes the hole u Loose the aeration valve u Open the drain valve...

Page 46: ...7 Preparing for an evaporation B chi Labortechnik AG 46 78 Operation Manual Rotavapor R 250 Pro u Secure the splash protection in place...

Page 47: ...or open the water tap u Set the vacuum option on the Interface See operation manual Interface I 300 Pro u Add product Add product See Chapter 7 2 Operating the inlet valve page 44 u Lift the heating b...

Page 48: ...8 Carrying out an evaporation B chi Labortechnik AG 48 78 Operation Manual Rotavapor R 250 Pro 8 5 Shutting down the instrument u Switch the On Off master switch to off...

Page 49: ...ethanol u Wipe the sealing lip with a soft lint free cloth monthly Instrument u Perform a leak test See operation manual Interface I 300 Pro u If necessary search for leaks u If necessary change the...

Page 50: ...flask seal NOTE Installing is done in reverse sequence u Remove the snap flange coupling with the provided tool NOTICE Make sure that the vapor duct does not fall down during carrying out this action...

Page 51: ...light force and turn the vapor duct until the shaft starts turning 9 5 Setting max heating bath temperature u Push and hold the SET button u Set the On off master switch to On SET u Select the maximum...

Page 52: ...ure sensor is de fect u Contact BUCHI Customer Service Over temperature protec tion is active u Reset over temperature protection See Chapter 10 3 Resetting the overtemperature protection page 56 Evap...

Page 53: ...e instrument u Rotate evaporating flask manually u Check for causes of the blocking and remove u Contact BUCHI Customer Service The rotary drive is blocked E04 The battery voltage is too low u Switch...

Page 54: ...I Customer Service E13 The receiving vessel 1 filling level is reached u Empty receiving vessel 1 u Press the Aerate button u Adjust the level sensor See Chapter 10 6 Adjusting the level sensor page 5...

Page 55: ...rotection See Chapter 10 3 Resetting the overtemperature protection page 56 u Contact BUCHI Customer Service E32 Heating bath runs dry Temperature 200 C u Switch off the instrument u Wait until the he...

Page 56: ...x ternal electrical consumers 24 V u Unplug the external consumer u Replace external defective consumer u Contact BUCHI Customer Service E43 Electronic malfunction u Start the instrument again u Conta...

Page 57: ...ws an error u Secure the sensor in place with the screw u Switch the water supply to on The error on the display disappear 10 6 Adjusting the level sensor Status LED Explanation ON Liquid is detected...

Page 58: ...ro Precondition R The sensor is connected to the instrument See Chapter 5 8 3 Installing the foam sensor option page 38 u Remove the protective cover u Put the sensor 1 cm in the product u Adjust the...

Page 59: ...bles from the device 11 2 Disposal The operator is responsible for proper disposal of the instrument u When disposing of equipment observe the local regulations and statutory requirements regarding wa...

Page 60: ...nser Vapor temperature sensor Other vacuum source option Autodest Sensor option Foam sensor option VacuBox Vacuum Valve Fig 11 Vacuum connection 12 1 2 Cooling water circuit Cooling water flow sensor...

Page 61: ...577 003577 003577 003577 003577 003577 003577 003577 027289 027289 027289 027289 027289 027289 041130 041130 041130 041131 041131 041155 041155 041159 041159 005155 005155 041336 041348 027277 041338...

Page 62: ...041131 Pivoting clamp complete 041151 Glass clamp 100 mm complete 041155 Cooler 3 coil closed PLG 041159 Set of bolts for EasyClamp DN25 041240 Set of bolts for EasyClamp DN40 041241 Distillate coole...

Page 63: ...27277 Spare parts glass assembly RB 003577 003577 003577 003577 003577 003577 003577 003577 005155 005155 027289 027289 027289 027289 027289 027289 027824 027824 041130 041130 041130 041131 041131 041...

Page 64: ...041131 Pivoting clamp complete 041151 Glass clamp 100 mm complete 041155 Cooler 3 coil closed PLG 041159 Set of bolts for EasyClamp DN25 041240 Set of bolts for EasyClamp DN40 041241 Distillate coole...

Page 65: ...acuum feeding industrial Rotavapor 027277 Spare parts glass assembly D 001165 041335 041348 027277 041334 041337 001129 005155 041130 041076 003577 003577 003577 003577 027289 027289 027289 027289 027...

Page 66: ...rature sensor complete 041076 EasyClamp DN25 041130 EasyClamp DN40 041131 Pivoting clamp complete 041151 Glass clamp 100 mm complete 041155 Cooler 3 coil closed PLG 041159 Set of bolts for EasyClamp D...

Page 67: ...e per m Use Vacuum feeding industrial Rotavapor 027277 Spare parts glass assembly D3 001165 005155 027277 041076 041159 041334 041335 041337 041436 041130 003577 003577 003577 003577 003577 003577 027...

Page 68: ...oil PLG 027308 Vapor temperature sensor complete 041076 EasyClamp DN25 041130 EasyClamp DN40 041131 Pivoting clamp complete 041151 Glass clamp 100 mm complete 041155 Cooler 3 coil closed PLG 041159 Se...

Page 69: ...Order no Image Inlet valve complete 041348 Extension 041270 Order no PTFE hose connection SVL 22 027338 Seal PTFE 005155 Tubing PTFE 8 10 mm white per m Use Vacuum feeding industrial Rotavapor 027277...

Page 70: ...0 78 Operation Manual Rotavapor R 250 Pro Order no Image EasyClamp DN25 041130 Industrial tap small 041062 Angle seat drain valve 041405 Receiving flask 20 lt PLG 041446 Branching piece R 250 PLG 0414...

Page 71: ...s double receiver 041445 041048 041048 041130 041130 041130 041130 041130 041130 041062 041062 041405 041405 041446 041446 041480 041480 Order no Image Branching piece 1 PLG 041048 EasyClamp DN25 0411...

Page 72: ...rder no Image O ring 130x5 0 Fpm70 027378 EasyClamp element DN70 041135 PTFE coated silicon gasket for DN25 set of 5 11056381 PTFE coated silicone gasket for DN40 set of 5 11065382 Set of 5 O rings 64...

Page 73: ...ix 12 Operation Manual Rotavapor R 250 Pro 73 78 Order no Image Reducer x 041448 12 2 3 Inlet valve Order no Image PTFE bellow 041388 Glass body 041346 Set of 5 SVL 15 seals 041946 Screw Cap SVL 15 00...

Page 74: ...condenser Capacity and final vacuum 3 1 m h 1 5 mbar 11V600810 Holder vacuum pump 11071091 Manual flask handler for 50 L flask For easy mounting and removal of the flasks along with safe transport 04...

Page 75: ...he coolant temperature for optimal dis tillation settings 11055988 Cooling water valve Eliminates unnecessary water waste by stopping cooling water flow when not in use 041191 Level sensor for receivi...

Page 76: ...k handler 041494 12 2 5 Hoses Order no Image Softaflex ID 19 mm 037617 Y piece 12 mm 16 mm 041473 Order no Tubing PVC 10 15 mm transparent per m Use cooling tube to Rotavapor R 220 Pro 027146 PVC hose...

Page 77: ...12 Operation Manual Rotavapor R 250 Pro 77 78 12 2 6 Gear box Order no Image Seal tool 020075 Vapor duct 041084 Seal holder 041094 Vacuum seal 041095 Evaporating flask seal complete 041121 Set of 5 di...

Page 78: ...91 22 667 18986 india buchi com www buchi com in en Indonesia PT BUCHI Indonesia ID Tangerang 15321 T 62 21 537 62 16 F 62 21 537 62 17 indonesia buchi com www buchi com id in Japan Nihon BUCHI K K J...

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