Table Of Contents - Emerson Copeland Scroll ZRH49K Series 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 General information about Copeland Scroll™ compressors ........................................... 3
2.2 Nomenclature ................................................................................................................... 3
2.3 Application range ............................................................................................................. 3
2.3.1 Qualified refrigerants and oils .............................................................................. 3
2.3.2 Application limits ................................................................................................... 4
2.3.3 Comparison between ZRH* and ZBH* compressors ........................................... 4
2.4 Special requirements for transport applications............................................................... 4
2.5 Dimensions ...................................................................................................................... 5
3 Installation ........................................................................................................ 7
3.1 Compressor handling ....................................................................................................... 7
3.1.1 Transport and storage .......................................................................................... 7
3.1.2 Positioning and securing ...................................................................................... 7
3.1.3 Installation location ............................................................................................... 7
3.1.4 Mounting parts ...................................................................................................... 8
3.2 Brazing procedure ............................................................................................................ 8
3.3 Shut-off valves and adaptors ........................................................................................... 9
3.4 Accumulators ................................................................................................................. 10
3.5 Screens .......................................................................................................................... 10
3.6 Mufflers .......................................................................................................................... 10
4 Electrical connection ..................................................................................... 11
4.1 General recommendations............................................................................................. 11
4.2 Electrical installation ...................................................................................................... 11
4.2.1 Molded plug connection ..................................................................................... 11
4.2.2 Assembly of the molded plug cable ................................................................... 11
4.2.3 Removing the molded plug cable ....................................................................... 12
4.2.4 Wiring diagram ................................................................................................... 12
4.2.5 Motor winding ..................................................................................................... 12
4.2.6 Protection devices .............................................................................................. 13
4.2.7 Crankcase heater ............................................................................................... 13
4.3 Inverter operation ........................................................................................................... 13
4.4 Pressure safety controls ................................................................................................ 15
4.4.1 High-pressure protection .................................................................................... 15
4.4.2 Low-pressure protection ..................................................................................... 15
4.4.3 Internal pressure relief valve .............................................................................. 15
C6.2.7/1007-0619/E