User Setup – Miscellaneous Current Sensors .......................................................................................................................................... 20
Figure 53 - User Setup – Miscellaneous Control Setup .............................................................................................................. 20
Compressor Demand ........................................................................................................................................................................................ 20
Figure 54 - User Setup – Compressor Demand Setup ................................................................................................................ 20
Table 9 – Compressor Demand Parameters .................................................................................................................................... 20
Menu 1 – Trending ............................................................................................................................................................................................. 21
Figure 55 - System Trending 1 .............................................................................................................................................................. 21
Figure 56 - System Trending 2 .............................................................................................................................................................. 21
Menu 2 – Full Screen ......................................................................................................................................................................................... 21
Figure 57 - Menu 2 – Full Screen ......................................................................................................................................................... 21
Modbus ................................................................................................................................................................................................................... 22
Table 10 – Modbus .................................................................................................................................................................................... 22
Start-Up .................................................................................................................................................................................................................. 23
Step 1 – Connect Main Power ................................................................................................................................................................... 23
Step 2 – Fill Coolant Circuit ........................................................................................................................................................................ 23
Step 3 - Condenser Water Temperature and Flow ........................................................................................................................... 24
Step 4 – Check Refrigerant Valves ........................................................................................................................................................... 24
Step 5 – Check Low Temperature Alarm ............................................................................................................................................... 24
Step 6 – Turn On Control Power .............................................................................................................................................................. 24
Step 7 – Establish Coolant Flow ................................................................................................................................................................ 24
Step 8 – Initial Chiller Operation .............................................................................................................................................................. 24
Preventive Maintenance ................................................................................................................................................................................... 25
Once a Week .................................................................................................................................................................................................... 25
Once a Month .................................................................................................................................................................................................. 25
Once Every 6 Months .................................................................................................................................................................................... 25
Once a Year ....................................................................................................................................................................................................... 26
Once Every 5 years ......................................................................................................................................................................................... 26
Maintenance ......................................................................................................................................................................................................... 26
Cleaning the Operator Interface ............................................................................................................................................................... 26
Troubleshooting .................................................................................................................................................................................................. 27
Drawings................................................................................................................................................................................................................. 28