Maersk Container Industry Star Cool SCI-20 Operating And Service Manual page 5

4 of 112 pages
15. Location of valves .....................................................................................................................................66
16. Location of motors, temperature sensors, humidity sensor and air exchange potentiometer ..................67
17. Location of pressure transmitters, high pressure switch and oil outlet port .............................................68
18. Location of AV and CA components ...........................................................................................................69
19. Replacements ............................................................................................................................................72
19.1 Replacement of evaporator motor and fan ..............................................................................................72
19.2 Replacement of condenser motor and fan ..............................................................................................72
19.3 Replacement of evaporator ...................................................................................................................73
19.4 Replacement of heating elements ..........................................................................................................74
19.5 Replacement of FC ..............................................................................................................................75
19.6 Replacement of compressor..................................................................................................................76
19.7 Replacement of compressor valve plate/cylinder head gasket ...................................................................77
19.8 Replacement of filter dryer ...................................................................................................................78
19.9 Replacement of vacuum pump heating element ......................................................................................78
20. Service and maintenance ..........................................................................................................................79
20.1 Evacuation of refrigerant ......................................................................................................................79
20.2 Compressor pump down and operation ..................................................................................................80
20.3 Compressor pump down (replaced) .......................................................................................................80
20.4 Pump down of unit ..............................................................................................................................81
20.5 Pressure test ......................................................................................................................................81
20.6 Charging of refrigerant ........................................................................................................................82
20.6.1 Charging of an empty unit .................................................................................................................82
20.6.2 Charging of unit low on charge ...........................................................................................................82
20.7 Leakage detection ...............................................................................................................................83
20.8 Fan motors .........................................................................................................................................83
20.9 Compressor ........................................................................................................................................84
20.9.1 Check of oil level ..............................................................................................................................84
20.9.2 Charging of oil ..................................................................................................................................84
20.9.3 Draining of oil from compressor .........................................................................................................85
20.10 Soldering ..........................................................................................................................................86
20.10.1 Welding .........................................................................................................................................86
20.11 CA manual inspection .........................................................................................................................86
20.12 Container leak test ............................................................................................................................87
20.13 CA+ flushing .....................................................................................................................................87
20.14 Container venting procedure ........................................................................................................... ...88
20.15 Calibration of air exchange sensor .................................................................................................... ..88
20.16 Sensor calibration using StarView ........................................................................................................89
21. General trouble shooting ..........................................................................................................................89
21.1 Trouble shooting for the Star Cool the main controller .............................................................................90
21.2 Trouble shooting the vacuum system .....................................................................................................90
21.3 Trouble shooting the vacuum hose ........................................................................................................91
21.4 Trouble shooting the membrane ............................................................................................................91
21.5 Trouble shooting the vacuum pump/controller module .............................................................................91
22. Emergency operation ............................................................................................................................... 92
22.1 FC defective ...................................................................................................................................... 92
22.2 Controller defective ............................................................................................................................ 92
23. Tables ........................................................................................................................................................93
23.1 Datalog description ........................................................................................................................... .93
23.2 Temperature sensor - resistance table ...................................................................................................95
23.3 Temperature sensor - voltage table .......................................................................................................96
23.4 Air exchange sensor voltage table - m
23.5 Air exchange sensor voltage table - m
Operating and service manual
3 /h for 35 CMH ..............................................................................97
3 /h for 75 CMH ..............................................................................97