Bitzer K073 Series, Operating Instructions Manual

Page: 23 / 68

KB-200-5 23
Table of contents
1 Introduction........................................................................................................................................................ 24
1.1 Also observe the following technical documents ......................................................................................... 24
2 Safety.................................................................................................................................................................. 24
2.1 Authorized staff............................................................................................................................................ 24
2.2 Residual risks .............................................................................................................................................. 24
2.3 Safety references......................................................................................................................................... 24
2.3.1 General safety references................................................................................................................ 24
3 Classification of the condensing units and their components according to EU directives....................... 26
4 State of delivery and schematic design of the condensing units................................................................. 28
5 Application ranges ............................................................................................................................................ 29
5.1 Maximum allowable pressure ...................................................................................................................... 29
5.2 Use of flammable refrigerants of the A2L safety group (e.g. R1234yf)........................................................ 30
5.2.1 Use restrictions for flammable refrigerants ...................................................................................... 30
5.2.2 Condensing unit and refrigeration system requirements ................................................................. 30
5.2.3 General operation requirements ...................................................................................................... 31
6 Mounting ............................................................................................................................................................ 31
6.1 Transporting the condensing unit ................................................................................................................ 31
6.2 Transport locks for condensing units ........................................................................................................... 31
6.3 Pipelines ...................................................................................................................................................... 31
6.4 Installing the condensing unit ...................................................................................................................... 31
6.5 Connections................................................................................................................................................. 33
7 Electrical connection ........................................................................................................................................ 35
7.1 Electrical connection of EC fans for LH32E/.. to LH135E/........................................................................... 35
8 Commissioning.................................................................................................................................................. 42
9 Operation............................................................................................................................................................ 42
9.1 Regular tests................................................................................................................................................ 42
10 Decommissioning.............................................................................................................................................. 43
10.1 Standstill ...................................................................................................................................................... 43
10.2 Disassembly of the condensing unit or of components ............................................................................... 43
10.3 Drain oil........................................................................................................................................................ 43
10.4 Remove or dispose of the compressor and other components ................................................................... 43