Emerson Copeland Scroll ZH04K1P Manual page 3

4.6 Kriwan protector functional check and failure detection .................................................. 20
4.6.1 Checking the connection ...................................................................................... 21
4.6.2 Checking the compressor thermistor chain .......................................................... 21
4.6.3 Checking the protection module ........................................................................... 21
4.7 High-potential testing ....................................................................................................... 21
5 Starting up & operation................................................................................... 22
5.1 Strength pressure test ...................................................................................................... 22
5.2 Tightness/pressure test .................................................................................................... 22
5.3 Preliminary checks - Pre-starting .................................................................................... 22
5.4 Charging procedure ......................................................................................................... 22
5.5 Initial start-up ................................................................................................................... 23
5.6 Rotation direction ............................................................................................................. 23
5.7 Starting sound .................................................................................................................. 23
5.8 Deep vacuum operation ................................................................................................... 23
5.9 Shell temperature ............................................................................................................. 23
5.10 Pump-down cycle ............................................................................................................. 24
5.11 Pump-out cycle ................................................................................................................ 24
5.12 Minimum run time ............................................................................................................ 24
5.13 Shut-off sound .................................................................................................................. 24
5.14 Supply frequency and voltage ......................................................................................... 24
5.15 Oil level ............................................................................................................................ 25
5.16 Oil stub ............................................................................................................................. 25
6 Maintenance & repair ...................................................................................... 26
6.1 Exchanging the refrigerant ............................................................................................... 26
6.2 Rotalock valves ................................................................................................................ 26
6.3 Replacing a compressor .................................................................................................. 26
6.3.1 Compressor replacement ..................................................................................... 26
6.3.2 Start-up of a new or replacement compressor ..................................................... 26
6.4 Lubrication and oil removal .............................................................................................. 26
6.5 Oil additives ..................................................................................................................... 27
6.6 Unbrazing system components ....................................................................................... 27
7 Troubleshooting .............................................................................................. 28
8 Dismantling & disposal ................................................................................... 32
9 References ....................................................................................................... 32
DISCLAIMER ............................................................................................................... 32
C6.2.26/1013-1116/E