Emerson Copeland 4MF-13X - Page 3

AGL_Stream_ST_A2L_A1_4M_6M_EN_Rev00
3.5 Insulation material .......................................................................................................... 15
4 Electrical connection ..................................................................................... 16
4.1 General recommendations............................................................................................. 16
4.2 Electrical installation ...................................................................................................... 16
4.2.1 Part-winding motors (YY/Y) – Code A ................................................................ 17
4.2.2 Star / Delta motors (Y/∆) – Code E .................................................................... 17
4.2.3 Terminal box isolators and jumpers position ...................................................... 17
4.3 Terminal box .................................................................................................................. 18
4.4 Electrical protection ........................................................................................................ 18
4.5 Compressor protection ................................................................................................... 18
4.5.1 Compressors with Copeland compressor electronics ........................................ 18
4.5.2 Compressors with CoreSense Diagnostics ........................................................ 23
4.5.3 Compressors with CoreSense Protection .......................................................... 26
4.6 Crankcase heaters ......................................................................................................... 30
5 Start-up & operation ....................................................................................... 31
5.1 Compressor tightness test ............................................................................................. 31
5.2 System evacuation ......................................................................................................... 31
5.3 Preliminary checks – Pre-starting .................................................................................. 31
5.4 Charging procedure ....................................................................................................... 32
5.5 Initial start-up ................................................................................................................. 32
5.6 Minimum run time .......................................................................................................... 33
5.7 Recommended inverter range ....................................................................................... 33
6 Maintenance & repair ..................................................................................... 34
6.1 Qualification of workers .................................................................................................. 35
6.2 Preparation and work procedure ................................................................................... 35
6.3 Unbrazing system components ..................................................................................... 35
6.4 Disassembling system components .............................................................................. 35
6.5 Exchanging the refrigerant ............................................................................................. 36
6.6 Replacing a compressor ................................................................................................ 36
6.6.1 Compressor replacement ................................................................................... 36
6.6.2 Compressor return procedure for A2L systems ................................................. 37
6.7 Lubrication and oil removal ............................................................................................ 37
6.8 Oil additives ................................................................................................................... 38
7 Dismantling & disposal .................................................................................. 38
Appendix 1: Stream compressor connections ........................................................ 39
Appendix 2: Tightening torques in Nm .................................................................... 40
DISCLAIMER .............................................................................................................. 40