Table Of Contents - Emerson Copeland YB56K1G Application Manuallines

About these guidelines ................................................................................................ 1
1 Safety instructions ............................................................................................ 1
1.1 Icon explanation ................................................................................................................. 1
1.2 Safety statements .............................................................................................................. 2
1.3 General instructions ........................................................................................................... 2
2 Product 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
3 Installation ......................................................................................................... 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
AGL_Ref_ST_YBK1G_EN_Rev01