1
BÜCHI Rotavapor R-220
Table of Contents
Table of Contents
en, Version F (46 Pages) Ordering No.
R-220 Operation Manual 96737
Read this Operating Manual through carefully before using
the Büchi Rotavapor R-220. Always keep these Instructions
readily available in the immediate vicinity of the unit so that
they make be consulted at any time.
Chapter 2 contains important safety rules which must be ob-
served to ensure the safe operation of the rotary evaporator.
We reserve the right to make technical changes without
prior notification. No portion of this Operating Manual
may be reproduced, processed using electronic or optical
systems, duplicated, or distributed in any form without
the prior written approval of Büchi Labortechnik AG.
All rights reserved.
© Büchi Labortechnik AG, 1999-2001
6 Maintenance 23
6.1 Taking Apart the Snap Flange Coupling 23
6.2 Assembling the Snap Flange Coupling 24
6.3 Removing the Evaporating Flask Seal 24
6.4 Inserting the Evaporating Flask Seal 25
6.5 Replacement of the Seals for the Distribution Head 25
6.6 Replacement of the Vacuum Seal 26
6.7 Cleaning 26
6.8 Vacuum Seal 26
6.9 Testing for Leaks 27
6.10 Customer Service 27
7 Taking out of Operation 28
8 Spare Parts and Accessories 29
8.1 Glass Assemblies D, D2, DB, DB2 30/31
8.2 Glass Assemblies R, RB, C 32/33
8.3 Miscellaneous 34
8.4 Accessories 37
9 Appendix 42
9.1 Technical Data 42
9.2 Materials Used 42
9.3 Error Messages 43
9.4 FCC requirements (for USA and Canada) 44
9.5 Declaration of Conformity 45
1 Scope of Delivery 2
2 Safety 3
3 Function 6
3.1 Principle of Operation 6
4 Putting into Operation 7
4.1 Installation Location 7
4.2 Unpacking 7
4.3 Setting up the Support Rod 8
4.4 Attachment of the EasyClamp 9
4.5 Removal of the EasyClamp 9
4.6 Installation of the Reflux Glass Assembly 10
4.7 Installation of the Descending Glass Assembly 11
4.8 Installation of the Descending Glass Assembly
with a 2
nd
Cooler 12
4.9 Installation of the Receiving Fixture 13
4.10 Attaching and Removing Flasks 14
4.11 Hose Coupling 16
4.12 Operating the Shut-off tap 18
4.13 Bath Replenishment (Optional) 18
4.14
Reset of the over-temperature protection 19
4.15 Heating Medium 19
4.16 Checking Installation 19
5 Operation 20
5.1 Arrangement of the Operator Control and
Display Elements 20
5.2 Adjusting the Maximum Set-Point Temperature
and Automatic Lowering of the Bath in Case of
a Power Interruption 20
5.3 Tips and Tricks 21
5.4 Table of Solvents 22