Sterlco GP Series 20-60 HP Packaged Chillers - Manual (Page 6)

GP Series Portable Chillers vi
4-4 Access Levels ............................................................................................................. 45
4-5 Controller Setpoints ..................................................................................................... 45
4-6 Configuration Settings ................................................................................................. 49
4-7 Alarms ......................................................................................................................... 51
4-8 Optional Communications ........................................................................................... 51
CHAPTER 5: MAINTENANCE ................................................. 52
5-1 Lubrication ................................................................................................................... 52
5-2 Filter Cleaning ............................................................................................................. 52
5-3 Maintaining the Condenser ......................................................................................... 52
Air- and Remote Air-Cooled Chillers ................................................................... 52
Water-Cooled Chillers ......................................................................................... 52
5-4 Maintaining the Evaporator ......................................................................................... 53
5-5 Evaporator Process Piping Y-Strainer ......................................................................... 53
5-6 Preventative Maintenance Service .............................................................................. 53
CHAPTER 6: TROUBLESHOOTING ....................................... 54
6-1 Identifying the Cause of a Problem ............................................................................. 54
Non-Controller Related Issues ............................................................................ 60
CHAPTER 7: APPENDIX .......................................................... 62
7-1 Technical Assistance ................................................................................................... 62
Parts and Service Department ............................................................................ 62
Sales and Contracting Department ..................................................................... 62
Specifications ........................................................................................................................ 63
Air-Cooled Portable Chillers ................................................................................ 63
Water-Cooled Portable Chillers ........................................................................... 68
7-2 Pump Curves, Flow, and Pressure Considerations ..................................................... 73
60 Hertz Pump Curves ........................................................................................ 73
50 Hertz Pump Curves ........................................................................................ 75
7-3 Remote Air-Cooled Chiller Configurations ................................................................... 78
7-4 Typical Ductwork for Air-Cooled Chillers ..................................................................... 80
7-5 Piping Diagrams .......................................................................................................... 82