Buchi V-300 User manual

Vacuum Pump V-300
Operation Manual
11593756 | H en

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Product Identification:
Operation Manual (Original) Vacuum Pump V-300
11593756
Publication date: 05.2021
Version H
BÜCHI Labortechnik AG
Meierseggstrasse 40
Postfach
CH-9230 Flawil 1
E-Mail: [email protected]
BUCHI reserves 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 from it may neither be reproduced, distributed, or used for
competitive purposes, nor made available to third parties. The manufacture of any component with the
aid of this manual without prior written agreement is also prohibited.

Büchi Labortechnik AG Table of contents
Operation Manual Vacuum Pump V-300 iii
Table of contents
1 About this document...........................................................................................................6
1.1 Connected devices ................................................................................................................6
1.2 Warning notices in this document..........................................................................................6
1.3 Symbols.................................................................................................................................6
1.3.1 Warning symbols ........................................................................................................6
1.3.2 Mandatory directive symbols ......................................................................................7
1.3.3 Other symbols.............................................................................................................7
1.4 Available languages ..............................................................................................................7
1.5 Trademarks ...........................................................................................................................7
2 Safety....................................................................................................................................8
2.1 Intended use..........................................................................................................................8
2.2 Use other than that intended .................................................................................................8
2.3 Staff qualification ...................................................................................................................8
2.4 Residual risks ........................................................................................................................9
2.4.1 Dangerous vapors ......................................................................................................9
2.4.2 Faults during operation ...............................................................................................9
2.4.3 Hot surfaces................................................................................................................9
2.5 Personal protective equipment ............................................................................................10
2.6 Modifications........................................................................................................................10
3 Product description...........................................................................................................11
3.1 Description of function .........................................................................................................11
3.2 ATEX II 3G T3 IIC X rating ..................................................................................................11
3.3 Configuration .......................................................................................................................12
3.3.1 Front view .................................................................................................................12
3.3.2 Rear view..................................................................................................................13
3.3.3 Connections..............................................................................................................14
3.3.4 Internal view..............................................................................................................16
3.3.5 Type plate .................................................................................................................17
3.3.6 ATEX supplementary plate .......................................................................................17
3.4 Specifications supplied ........................................................................................................18
3.5 Technical data .....................................................................................................................19
3.5.1 Vacuum Pump ..........................................................................................................19
3.5.2 Ambient conditions ...................................................................................................19
3.5.3 Materials ...................................................................................................................19
4 Transport and storage ......................................................................................................21
4.1 Transport .............................................................................................................................21
4.2 Storage ................................................................................................................................21

Table of contents Büchi Labortechnik AG
iv Operation Manual Vacuum Pump V-300
5 Installation..........................................................................................................................22
5.1 Important considerations prior to commissioning ................................................................ 22
5.2 Installation site.....................................................................................................................23
5.3 Securing against earthquakes ............................................................................................. 24
5.4 Connecting laboratory equipment........................................................................................25
5.5 Connecting the silencer .......................................................................................................26
5.5.1 Connecting silencer directly to V-300 .......................................................................26
5.5.2 Connecting the silencer to the outlet of the secondary condenser ...........................27
5.6 Connecting a Woulff bottle ..................................................................................................28
5.6.1 Connecting the Vacubox via a Woulff bottle .............................................................29
5.7 Connecting a secondary condenser .................................................................................... 31
5.8 Connecting a secondary cold trap ....................................................................................... 32
5.9 Fitting an Interface I-300......................................................................................................33
5.10 Fitting a VacuBox ................................................................................................................33
5.11 Connecting the vacuum pump to the power supply.............................................................35
5.12 Connecting communication cables to the V-300 ................................................................. 36
5.13 Assembling the BUCHI distillation system...........................................................................37
5.13.1 Overview: Setting up communication connections (COM) .......................................38
5.13.2 Overview: setting up coolant tubing connections......................................................39
5.13.3 Overview: setting up vacuum tubing connections.....................................................40
5.14 Operating the vacuum pump with 2 Rotavapor systems ..................................................... 41
6 Operation............................................................................................................................44
6.1 Operating V-300 without Interface I-300/I-300 Pro..............................................................44
6.2 Operating V-300 with Interface I-300/I-300 Pro...................................................................44
7 Cleaning and servicing .....................................................................................................45
7.1 Cleaning ..............................................................................................................................45
7.1.1 Important considerations when cleaning ..................................................................45
7.1.2 Cleaning the pump....................................................................................................45
7.1.3 Cleaning the casing ..................................................................................................46
7.1.4 Cleaning glass components......................................................................................46
7.1.5 Cleaning internal pump tubing ..................................................................................47
7.1.6 Cleaning the diaphragm............................................................................................47
7.2 Servicing..............................................................................................................................47
7.2.1 Notes on servicing ....................................................................................................47
7.2.2 Dismantling and reassembling pump head...............................................................49
7.2.3 Replacing the diaphragm..........................................................................................52
7.2.4 Replacing the non-return valve.................................................................................53
7.2.5 Replacing connecting tubes......................................................................................55
7.2.6 Replacing O-rings .....................................................................................................57
7.2.7 Removing non-return valve from elbow connector ...................................................58
7.2.8 Fitting GL14 cap nut with tube seal ..........................................................................59
8 Help with faults ..................................................................................................................60
8.1 Faults, possible causes and remedies ................................................................................ 60
8.2 Customer service.................................................................................................................61
9 Taking out of service and disposal..................................................................................62
9.1 Taking out of service ...........................................................................................................62
9.2 Disposal...............................................................................................................................62

Büchi Labortechnik AG Table of contents
Operation Manual Vacuum Pump V-300 v
10 Appendix ............................................................................................................................63
10.1 Solvent table........................................................................................................................63
10.2 Spare parts and accessories ...............................................................................................64
10.2.1 Accessories ..............................................................................................................64
10.2.2 Wearing parts ...........................................................................................................67
10.2.3 Spare parts ...............................................................................................................69
10.3 Document: 11594022 ATEX................................................................................................71
10.4 Health and safety approval..................................................................................................72
10.5 Health and safety.................................................................................................................73