1
Digestion Unit
K-424
Contents
Contents
Read these instructions thoroughly before you use the
Digestion Unit
K-424
. Store these instructions in the im-
mediate vicinity of the apparatus so that they may be consulted
at any time.
The unit must only be connected to the mains and switched
on after having completed all necessary preparations.
Chapter 2 contains important safety information. Knowledge
of this is imperative for the safe operation of the Digestion
unit.
Subject to technical change without notice. No part of these
instructions may be reproduced in any form whatsoever or
processed, reproduced or disseminated by means of
electronic or optical systems without the express written
permission of Büchi Labortechnik AG. All rights reserved.
Copyright © Büchi Labortechnik AG 2008
en, Version E
Order No.
K-424 Operating instructions
96711
1
Scope of delivery
2
2
Safety
3
2.1
Symbols
3
2.2
Requirements for the operator
3
2.3
Regulation use
3
2.4
Non-regulation use
3
2.5
General hazards
4
2.6
Safety measures
4
3
Function
6
3.1
Principle of operation
6
4
Putting into operation
7
4.1
Setup location
7
4.2.
Unpacking
7
4.3
Connection to the mains
7
4.4
Hose connections
8
5
Operation
9
5.1
Operating elements
9
5.2
Operating elements and their function
9
5.3
General information
9
5.4
Execution of the Kjeldahl disintegration
11
5.5
Malfunctions
11
6
Maintenance
12
6.1
General information
12
6.2
Upkeep
12
6.3
Gaskets
12
6.4
Replacing the insulation
13
6.5
Replacing the O-rings
13
6.6
Fuses
14
6.7
Customer service
14
7
Taking out of operation
15
7.1
Storage/Transport
15
7.2
Disposal
15
8
Replacement parts
16
9
Appendix
17
9.1
Technical Data
17
9.2
Materials used
17
9.3
FCC requirements
18
9.4
Declaration of conformity
19
Summary of Contents for K-424
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