AGL_Ref_ST_YBK1G_EN_Rev01
About these guidelines ................................................................................................ 1
1Safety instructions............................................................................................ 1
1.1 Icon explanation.................................................................................................................1
1.2 Safety statements ..............................................................................................................2
1.3 General instructions...........................................................................................................2
2Product description .......................................................................................... 3
2.1 Compressor range .............................................................................................................3
2.2 Nomenclature.....................................................................................................................3
2.3 BOM variations ..................................................................................................................3
2.4 Application range ...............................................................................................................4
2.4.1 Qualified refrigerant and oil....................................................................................4
2.4.2 Application limits.....................................................................................................4
2.4.3 PED category and maximum allowable pressure PS ............................................4
2.5 Dimensions ........................................................................................................................5
3Installation......................................................................................................... 6
3.1 Compressor handling.........................................................................................................6
3.1.1 Transport and storage............................................................................................6
3.1.2 Positioning and securing........................................................................................6
3.1.3 Installation location.................................................................................................6
3.2 Mounting parts ...................................................................................................................7
3.3 Brazing procedure..............................................................................................................7
3.3.1 General brazing procedure.....................................................................................8
3.3.2 Brazing procedure for YB*K1G compressors in parallel applications....................8
3.4 Pressure safety controls ....................................................................................................9
3.4.1 High-pressure protection........................................................................................9
3.4.2 Low-pressure protection.........................................................................................9
3.5 System protection for operation below atmospheric pressure...........................................9
3.6 Crankcase heater.............................................................................................................10
3.7 Soft starters......................................................................................................................11
3.8 Discharge gas temperature protection.............................................................................11
3.8.1 Excessive discharge gas temperatures ...............................................................12
3.8.2 Discharge line thermostat.....................................................................................12
3.9 Discharge check valve.....................................................................................................13
3.10 Filter screens ...................................................................................................................13
3.11 Mufflers ............................................................................................................................13
3.12 Sound shell ......................................................................................................................14
3.13 Insulation material............................................................................................................14
3.14 Sound and vibration.........................................................................................................14
3.15 Compressor oil return, oil balancing, refrigerant floodback and oil dilution tests ............14
3.16 Suction line accumulator..................................................................................................15
