Emerson Copeland Scroll YHV 2P Series - Page 3

AGL_HP_VS_YHV2P_E_Rev0
4.4.2 Low-pressure protection ....................................................................................... 22
4.5 Discharge gas temperature protection ............................................................................. 22
4.6 High-potential testing ....................................................................................................... 23
5 Start-up & operation ........................................................................................ 24
5.1 Strength pressure test ...................................................................................................... 24
5.1.1 Compressor strength-pressure test ...................................................................... 24
5.1.2 System strength-pressure test ............................................................................. 24
5.2 Compressor tightness test ............................................................................................... 24
5.3 Preliminary checks – Pre-starting .................................................................................... 25
5.4 Charging procedure ......................................................................................................... 25
5.5 Run-in time ....................................................................................................................... 25
5.6 Initial start-up ................................................................................................................... 26
5.7 Start-and-stop routine ...................................................................................................... 26
5.8 Starting sound .................................................................................................................. 26
5.9 Deep vacuum operation ................................................................................................... 26
5.10 Shell temperature ............................................................................................................. 26
5.11 Pump-down cycle ............................................................................................................. 26
5.12 Refrigerant floodback and oil dilution ............................................................................... 27
5.13 Minimum run time ............................................................................................................ 27
5.14 Oil level ............................................................................................................................ 28
6 Maintenance & repair ...................................................................................... 29
6.1 Qualification of workers .................................................................................................... 29
6.2 Preparation and working procedure ................................................................................. 30
6.3 Disassembling system components ................................................................................ 30
6.4 Provisions of legislation and leak check requirements .................................................... 30
6.5 Exchanging the refrigerant ............................................................................................... 31
6.6 Replacing a compressor .................................................................................................. 31
6.6.1 Compressor replacement ..................................................................................... 31
6.6.2 Start-up of a new or replacement compressor ..................................................... 31
6.6.3 Compressor return procedure .............................................................................. 32
6.7 Lubrication and oil removal .............................................................................................. 32
6.8 Oil additives ..................................................................................................................... 33
7 Troubleshooting .............................................................................................. 34
8 Dismantling & disposal ................................................................................... 37
9 Reference list of related technical information ............................................. 37
DISCLAIMER ............................................................................................................... 37