User guide
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!