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MANUAL REVISION INDEX AND APPROVAL
Issue No. Revision Summary Authorised
By
Date
1
st
Issue - KH 06 / 97.
2
nd
Issue Sections on safety, connection to liquid nitrogen supply, initial liquid
phase filling, sensor position diagram and maintenance added.
Causes and corrective action added to alarm code table.
KH 05 / 99.
3
rd
Issue Page 6 - Note added regarding disabled functions.
Page 12 - Fill timer changed from 0-90 mins to 0-125 mins.
KH 12 / 99.
4
th
Issue Appendix H - Replacement Parts added. KH 06 / 00.
5
th
Issue Appendix G – Filter cleaning procedure added. KH 07 / 00.
6
th
Issue Page 7 – Instruction for conducting initial fill with lid open added. KH 01 / 02.
7
th
Issue Front cover – Biosystem 12, 24, 36 & 45 models added.
References changed throughout where applicable.
KH 04 / 03.
8
th
Issue Front cover – Biosystem 80 model added.
References changed throughout where applicable.
KH 02 / 05.
9
th
Issue Front cover – range of models updated.
References changed throughout where applicable.
Appendix A – Sensor position information updated.
KH 01 / 12.
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