Table Des Matières - Bitzer 2KES-05 Instructions De Service

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Table of contents
1 Introduction............................................................................................................................................................ 4
1.1 Also observe the following technical documents ........................................................................................... 4
2 Safety .................................................................................................................................................................... 4
2.1 Authorized staff.............................................................................................................................................. 4
2.2 Residual risks ................................................................................................................................................ 4
2.3 Safety references........................................................................................................................................... 4
2.3.1 General safety references..................................................................................................................  4
3 Application ranges ................................................................................................................................................. 5
3.1 Use of flammable refrigerants of the A2L safety group (e.g. R1234yf).......................................................... 5
3.1.1 Compressor and refrigeration system requirements..........................................................................  6
3.1.2 General operation requirements ........................................................................................................  6
4 Mounting................................................................................................................................................................ 6
4.1 Transporting the compressor......................................................................................................................... 6
4.2 Installing the compressor............................................................................................................................... 7
4.2.1 Vibration dampers..............................................................................................................................  7
4.2.2 Type I vibration dampers ...................................................................................................................  8
4.2.3 Type II vibration dampers ..................................................................................................................  8
4.2.4 Type III vibration dampers .................................................................................................................  8
4.3 Connecting the pipelines ............................................................................................................................... 9
4.3.1 Pipe connections................................................................................................................................  9
4.3.2 Shut-off valves ...................................................................................................................................  9
4.3.3 Pipelines ............................................................................................................................................  9
4.4 Start unloading (SU) and Capacity control (CRII) ....................................................................................... 10
4.4.1 Start unloading (SU) ........................................................................................................................  11
4.4.2 Capacity control (CRII).....................................................................................................................  11
4.5 Connections and connection diagrams........................................................................................................ 12
4.5.1 Connection diagrams of single compressors ...................................................................................  12
4.5.2 Connection diagrams of tandem compressors ................................................................................  16
5 Electrical connection ........................................................................................................................................... 17
5.1 Mains connections ....................................................................................................................................... 18
5.1.1 Motor version ...................................................................................................................................  18
5.2 High potential test (insulation strength test)................................................................................................. 19
5.3 Line start permanent magnet motor (LSPM) ............................................................................................... 19
5.3.1 Overload protection for LSPM motors..............................................................................................  19
5.4 Protection devices ....................................................................................................................................... 20
5.4.1 SE-B1 or SE-B3 ...............................................................................................................................  20
5.4.2 SE-B2 or SE-B3 ...............................................................................................................................  20
5.4.3 Differential oil pressure switch Delta-PII (option) .............................................................................  20
5.4.4 Opto-electronic oil level monitoring OLC-K1 (option).......................................................................  20
5.4.5 Discharge gas temperature sensor..................................................................................................  20
5.4.6 Safety devices for pressure limiting (HP and LP) ............................................................................  21
5.4.7 Oil heater .........................................................................................................................................  21
5.4.8 CIC system ......................................................................................................................................  21
6 Commissioning .................................................................................................................................................... 21
6.1 Checking the strength pressure................................................................................................................... 22
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