OPERATING INSTRUCTIONS
CO
2
/NH
3
CASCADE UNIT
250 - 1000 KW
_551511_om_kas_gbr_1_.doc 7
4.6.14.1 Chemical cleaning ...................................................................................... 49
4.6.14.2 Mechanical cleaning .................................................................................. 49
4.7 Steps to be followed before starting the system after major repairs ................................... 50
4.7.1 Repair information...................................................................................................... 50
4.7.2 Pressure test, leak test ................................................................................................ 50
4.7.3 Vacuum Test................................................................................................................ 50
4.8 Repair work............................................................................................................................. 50
4.9 Guide to disturbances, their causes and remedies................................................................. 51
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