5
9.3.5 Changing Refrigerant Lubrication Filters ....................................................................................... 102
9.3.6 Purge Carbon Filter ....................................................................................................................... 102
9.3.7 Changing refrigerant pump ............................................................................................................ 102
9.3.8 Inspect Refrigerant Float System .................................................................................................. 103
9.3.9 Inspect Safety Relief Devices and Piping ...................................................................................... 104
9.3.10 - Periodic check of the safety loop ............................................................................................... 104
9.3.11 – Compressor bearing maintenance ........................................................................................... 105
9.3.12 – Inspect the Heat Exchanger Tubes and Flow Devices ............................................................. 106
9.3.13 Water Leaks ................................................................................................................................. 106
9.3.14 Water treatment ........................................................................................................................... 106
9.3.15 - Inspect / remove the power cabinet equipment ......................................................................... 106
9.3.16 Recalibrate Pressure Transducers .............................................................................................. 108
9.3.17 Recalibrate Temperature Thermistors ......................................................................................... 108
9.3.18 Corrosion control.......................................................................................................................... 108
9.3.19 Ordering Replacement Chiller Parts ............................................................................................ 108
10. TROUBLE SHOOTING GUIDE .......................................................................................................... 108
10.1 overview ............................................................................................................................................. 108
10.2 Checking Display Messages .............................................................................................................. 108
10.3 Checking Temperature Sensors ......................................................................................................... 108
10.4 Resistance Check ............................................................................................................................... 109
10.5 Voltage Drop Check ........................................................................................................................... 109
10.6 Check Sensor Accuracy ..................................................................................................................... 110
10.7 Checking Pressure Transducers ........................................................................................................ 111
10.8 High Altitude Locations ....................................................................................................................... 112
10.9 Quick Test .......................................................................................................................................... 112
10.10 Quick Calibration .............................................................................................................................. 112
10.11 Pumpdown/Lockout .......................................................................................................................... 112