AGL_HA_ST_Discus_A2L_A1_EN_Rev00
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 Nameplate information ..................................................................................................... 4
2.4 Application range ............................................................................................................. 4
2.4.1 Qualified refrigerants and oils .............................................................................. 4
2.4.2 Application limits ................................................................................................... 5
2.4.3 PED category and maximum allowable pressure PS .......................................... 5
2.5 Design features ................................................................................................................ 5
2.5.1 Compressor construction ..................................................................................... 5
2.5.2 Compressor cooling ............................................................................................. 5
2.5.3 Liquid injection / Demand cooling ........................................................................ 5
2.5.4 Unloaded start ...................................................................................................... 6
2.5.5 Capacity control .................................................................................................... 7
2.5.6 Oil pump ............................................................................................................... 7
2.5.7 Oil pressure .......................................................................................................... 7
2.5.8 Oil circulation ........................................................................................................ 8
2.5.9 Oil level ................................................................................................................. 8
2.5.10 System oil return .................................................................................................. 8
2.6 Dimensions ...................................................................................................................... 9
3 Installation ...................................................................................................... 10
3.1 Compressor handling ..................................................................................................... 10
3.1.1 Delivery............................................................................................................... 10
3.1.2 Transport and storage ........................................................................................ 10
3.1.3 Positioning and securing .................................................................................... 10
3.1.4 Installation location ............................................................................................. 11
3.1.5 Mounting parts .................................................................................................... 11
3.2 Pressure safety controls ................................................................................................ 11
3.2.1 High-pressure protection .................................................................................... 11
3.2.2 Low-pressure protection ..................................................................................... 12
3.2.3 Protection of A2L-refrigerant systems operating below atmospheric pressure . 12
3.2.4 Internal pressure relief valve .............................................................................. 13
3.2.5 Oil differential pressure control .......................................................................... 13
3.2.6 Maximum allowable pressures ........................................................................... 13
3.3 Brazing procedure .......................................................................................................... 13
To Next Page
Loading...
