Table Des Matières - Bitzer HS.8551 Instructions De Service

Table of contents
1 Introduction............................................................................................................................................................ 4
1.1 Also observe the following technical documents ........................................................................................... 4
2 Safety .................................................................................................................................................................... 4
2.1 Residual risks ................................................................................................................................................ 4
2.2 Authorized staff.............................................................................................................................................. 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
4.3 Connecting the pipelines ............................................................................................................................... 7
4.3.1 Pipe connections................................................................................................................................ 8
4.3.2 Shut-off valves ................................................................................................................................... 8
4.3.3 Pipelines ............................................................................................................................................ 8
4.4 HS.85: Capacity control (CR) and start unloading (SU) ................................................................................ 9
4.5 HS.95: Capacity control (CR) and start unloading (SU) .............................................................................. 10
4.6 Connections and dimensional drawings ...................................................................................................... 11
5 Electrical connection............................................................................................................................................ 14
5.1 Mains connections ....................................................................................................................................... 14
5.2 Motor version ............................................................................................................................................... 14
5.3 High potential test (insulation strength test)................................................................................................. 15
5.4 Protection devices ....................................................................................................................................... 15
5.4.1 SE-E1............................................................................................................................................... 15
5.4.2 HS.85: Protection devices for operation with FI............................................................................... 15
5.4.3 Safety devices for pressure limiting (HP and LP) ............................................................................ 15
5.4.4 Monitoring the oil circuit HS.85 ........................................................................................................ 16
5.4.5 Monitoring the oil circuit HS.95 ........................................................................................................ 17
5.5 Compressor module CM-SW-01.................................................................................................................. 18
6 Commissioning .................................................................................................................................................... 18
6.1 Checking pressure strength......................................................................................................................... 19
6.2 Checking tightness ...................................................................................................................................... 19
6.3 Evacuation ................................................................................................................................................... 19
6.4 Charging with oil .......................................................................................................................................... 19
6.5 Charging refrigerant..................................................................................................................................... 19
6.6 Tests prior to compressor start .................................................................................................................... 20
6.7 Compressor start ......................................................................................................................................... 20
6.7.1 Lubrication / oil level monitoring....................................................................................................... 20
6.7.2 Start ................................................................................................................................................. 20
2 SB-110-3