Bitzer HS.8561, Operating Instructions Manual

Page: 30 / 89

SB-110-4 30
Table of contents
1 Introduction........................................................................................................................................................ 32
1.1 Also observe the following technical documents ......................................................................................... 32
2 Safety.................................................................................................................................................................. 32
2.1 Residual risks .............................................................................................................................................. 32
2.2 Authorized staff............................................................................................................................................ 32
2.3 Safety references......................................................................................................................................... 32
2.3.1 General safety references................................................................................................................ 32
3 Application ranges ............................................................................................................................................ 33
3.1 Use of flammable refrigerants of the A2L safety group ............................................................................... 34
3.1.1 Compressor and refrigeration system requirements........................................................................ 34
3.1.2 General operation requirements ...................................................................................................... 35
4 Mounting ............................................................................................................................................................ 35
4.1 Transporting the compressor....................................................................................................................... 35
4.2 Installing the compressor............................................................................................................................. 35
4.2.1 Vibration dampers............................................................................................................................ 36
4.3 Connecting the pipelines ............................................................................................................................. 36
4.3.1 Pipe connections.............................................................................................................................. 37
4.3.2 Shut-off valves ................................................................................................................................. 37
4.3.3 Pipelines .......................................................................................................................................... 37
4.4 HS.85: Capacity control (CR) and start unloading (SU) .............................................................................. 38
4.5 HS.95: Capacity control (CR) and start unloading (SU) .............................................................................. 40
4.6 Connections and dimensional drawings ...................................................................................................... 41
5 Electrical connection ........................................................................................................................................ 44
5.1 Dimensioning components .......................................................................................................................... 44
5.2 Motor version ............................................................................................................................................... 45
5.3 High potential test (insulation strength test)................................................................................................. 45
5.4 Protection devices ....................................................................................................................................... 45
5.4.1 SE-E1............................................................................................................................................... 45
5.4.2 HS.85: Protection devices for operation with FI............................................................................... 46
5.4.3 Safety switching devices for limiting the pressue (high pressure switch and low pressure switch) . 46
5.4.4 Monitoring the oil circuit HS.85 ........................................................................................................ 46
5.4.5 Monitoring the oil circuit HS.95 ........................................................................................................ 47
5.5 Compressor module CM-SW-01.................................................................................................................. 48
6 Commissioning.................................................................................................................................................. 48
6.1 Checking pressure strength......................................................................................................................... 49
6.2 Checking tightness ...................................................................................................................................... 49
6.3 Evacuation ................................................................................................................................................... 49
6.4 Charging with oil .......................................................................................................................................... 49
6.5 Charging refrigerant..................................................................................................................................... 49
6.5.1 Use of flammable refrigerants of safety group A2L.......................................................................... 50
6.6 Tests prior to compressor start .................................................................................................................... 50
6.7 Compressor start ......................................................................................................................................... 50
6.7.1 Lubrication / oil level monitoring....................................................................................................... 50