Table Of Contents - Emerson Copeland Scroll ZR24KRE Application Manuallines

About these guidelines ............................................................................................... 1
1 Safety instructions ........................................................................................... 1
1.1 Icon explanation ............................................................................................................... 1
1.2 Safety statements ............................................................................................................ 1
1.3 General instructions ......................................................................................................... 2
2 Product description ......................................................................................... 3
2.1 Common information about Copeland Scroll™ compressors .......................................... 3
2.2 Nomenclature ................................................................................................................... 3
2.3 BOM Variation .................................................................................................................. 3
2.4 Dimensions ...................................................................................................................... 4
2.5 Application range ............................................................................................................. 7
2.5.1 Qualified refrigerants and oils .............................................................................. 7
2.5.2 Application limits ................................................................................................... 7
3 Installation ........................................................................................................ 8
3.1 Compressor handling ....................................................................................................... 8
3.1.1 Transport and storage .......................................................................................... 8
3.1.2 Positioning and securing ...................................................................................... 8
3.1.3 Installation location ............................................................................................... 8
3.1.4 Mounting parts ...................................................................................................... 8
3.2 Brazing procedure ............................................................................................................ 9
3.3 Shut-off valves and adaptors ......................................................................................... 10
3.4 Suction accumulators ..................................................................................................... 10
3.5 Screens .......................................................................................................................... 11
3.6 Mufflers .......................................................................................................................... 11
3.7 Suction line noise and vibration ..................................................................................... 11
4 Electrical connection ..................................................................................... 13
4.1 General recommendations............................................................................................. 13
4.2 Electrical installation ...................................................................................................... 13
4.2.1 Terminal box ....................................................................................................... 15
4.2.2 Motor windings ................................................................................................... 15
4.2.3 Protection devices .............................................................................................. 15
4.2.4 Crankcase heaters ............................................................................................. 15
4.3 Pressure safety controls ................................................................................................ 16
4.3.1 High-pressure control ......................................................................................... 16
4.3.2 Low-pressure control .......................................................................................... 16
4.3.3 Internal pressure relief valve .............................................................................. 16
4.4 Discharge temperature protection ................................................................................. 16
4.5 High-potential testing ..................................................................................................... 17
5 Starting up & operation.................................................................................. 18
5.1 Strength pressure test .................................................................................................... 18
C6.2.41/0219/E