Table Of Contents - Emerson Copeland Scroll ZRH49KJE Application Manuallines

1 Safety instructions.............................................................................................. 1
1.1 Icon explanation .............................................................................................................. 1
1.2 Safety statements............................................................................................................ 1
1.3 General instructions......................................................................................................... 2
2 Product description ............................................................................................ 2
2.1 Common information about Copeland Scroll™ compressors........................................... 2
2.2 About this guideline ......................................................................................................... 2
2.3 Nomenclature .................................................................................................................. 3
2.4 Application range............................................................................................................. 3
2.4.1 Qualified refrigerants and oils............................................................................... 3
2.4.2 Application limits .................................................................................................. 3
3 Installation ........................................................................................................... 4
3.1 Compressor handling ...................................................................................................... 4
3.1.1 Transport and storage .......................................................................................... 4
3.1.2 Positioning and securing ...................................................................................... 4
3.1.3 Installation location............................................................................................... 5
3.1.4 Mounting parts ..................................................................................................... 5
3.2 Brazing procedure ........................................................................................................... 5
3.3 Shut-off valves and adaptors ........................................................................................... 6
3.4 Accumulators................................................................................................................... 7
3.5 Mufflers............................................................................................................................ 7
4 Electrical connection.......................................................................................... 8
4.1 General recommendations .............................................................................................. 8
4.2 Electrical installation ........................................................................................................8
4.2.1 Cable connectors ................................................................................................. 8
4.2.2 Terminal box ........................................................................................................ 8
4.2.3 Motor winding....................................................................................................... 8
4.2.4 Protection devices................................................................................................ 8
4.3 Inverter operation ............................................................................................................ 9
4.4 Crankcase heater ............................................................................................................ 9
4.5 Pressure safety controls .................................................................................................. 9
4.5.1 High-pressure control ........................................................................................... 9
4.5.2 Low-pressure control.......................................................................................... 10
4.6 Discharge temperature protection.................................................................................. 10
4.7 Motor protection............................................................................................................. 11
4.8 High potential testing ..................................................................................................... 11
5 Starting up & operation .................................................................................... 12
5.1 Strength pressure test ................................................................................................... 12
5.2 Tightness/pressure test ................................................................................................. 12
5.3 Preliminary checks - Pre-starting .................................................................................. 12
C6.2.7/0302-1007/E