Bitzer GSD60120 Instructions De Service page 21

Table of contents
1 Introduction........................................................................................................................................................ 23
2 Safety.................................................................................................................................................................. 23
2.1 Authorized staff............................................................................................................................................ 23
2.2 Residual risks .............................................................................................................................................. 23
2.3 Safety references......................................................................................................................................... 23
2.3.1 General safety references................................................................................................................ 23
3 Application ranges ............................................................................................................................................ 24
3.1 Name plate .................................................................................................................................................. 24
3.2 Maximum applied pressure limits ................................................................................................................ 24
3.3 Use of flammable refrigerants of the A2L safety group ............................................................................... 24
3.3.1 Compressor and refrigeration system requirements........................................................................ 25
3.3.2 General operation requirements ...................................................................................................... 25
4 Mounting ............................................................................................................................................................ 26
4.1 Transporting the compressor....................................................................................................................... 26
4.2 Installing the compressor............................................................................................................................. 26
4.2.1 Installation location .......................................................................................................................... 26
4.2.2 Vibration dampers............................................................................................................................ 26
4.3 Connecting the pipelines ............................................................................................................................. 28
4.3.1 Pipe connections.............................................................................................................................. 28
4.4 Connections................................................................................................................................................. 30
5 Electrical connection ....................................................................................................................................... 32
5.1 General information ..................................................................................................................................... 32
5.2 Mains connections ....................................................................................................................................... 33
5.3 High-voltage test.......................................................................................................................................... 33
5.3.1 Soft starter and frequency inverter operation................................................................................... 33
5.4 Line start permanent magnet motor (LSPM) ............................................................................................... 33
5.5 Protection devices ....................................................................................................................................... 34
5.5.1 SE-B2 and SE-B3 ............................................................................................................................ 34
5.5.2 Discharge gas temperature sensor (option)..................................................................................... 34
5.5.3 Pressure switch (HP + LP)............................................................................................................... 34
5.5.4 Oil heater ......................................................................................................................................... 34
6 Commissioning.................................................................................................................................................. 35
6.1 Checking pressure strength......................................................................................................................... 35
6.2 Checking tightness ...................................................................................................................................... 35
6.3 Evacuation ................................................................................................................................................... 35
6.4 Charging refrigerant .................................................................................................................................... 36
6.5 Checks prior to compressor start................................................................................................................. 36
6.5.1 OEM run-test stands ........................................................................................................................ 37
6.6 Compressor start ......................................................................................................................................... 37
6.6.1 Checking the rotation direction ........................................................................................................ 37
6.6.2 Lubrication / oil level monitoring....................................................................................................... 37
6.6.3 Vibrations ......................................................................................................................................... 37
6.6.4 Cycling rate ...................................................................................................................................... 37
6.6.5 Checking the operating data ............................................................................................................ 37
ESB-130-8 21