Emerson COPELAND ZH04K1P, Application Manuallines

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AGL_HP_ST_ZHK1P_EN_Rev00
4.4.1 Internal line break motor protection ..........................................................21
4.4.2 External protection with Kriwan................................................................21
4.5 Kriwan protector f unctional check and failure detection..........................................22
4.5.1 Checking the connection ........................................................................22
4.5.2 Checking the compressor thermistor chain ................................................22
4.5.3 Checking the protection module...............................................................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 Initial start-up ..................................................................................................25
5.6 Rotation direction ............................................................................................26
5.7 Starting sound ................................................................................................26
5.8 Deep vacuum operation ...................................................................................26
5.9 Shell temperature ............................................................................................26
5.10 Pumpdown cycle .............................................................................................26
5.11 Pump-out cycle ...............................................................................................27
5.12 Minimum run time ............................................................................................27
5.13 Shut-off sound ................................................................................................27
5.14 Supply frequency and voltage ...........................................................................27
5.15 Oil level..........................................................................................................28
5.16 Oil stub ..........................................................................................................28
6 Maintenance & repair .................................................................................. 29
6.1 Exchanging the refrigerant ................................................................................29
6.2 Rotalock valves...............................................................................................29
6.3 Disassembling system components....................................................................29
6.4 Replacing a compressor ...................................................................................30
6.4.1 Compressor replacement........................................................................30
6.4.2 Start-up of a new or replacement compressor ............................................30
6.5 Lubrication and oil removal ...............................................................................30
6.6 Oil additives....................................................................................................31
7 Troubleshooting .......................................................................................... 32
8 Dismantling & disposal ............................................................................... 35
9 References .................................................................................................. 35
DISCLAIMER........................................................................................................... 35