Chapter 5, Maintenance, Chapter 6 – Sterling GP Series User Manual
Page 4: Troubleshooting, Chapter 7, Appendix

GP Series Portable Chillers
iv
4-1
Panel Buttons, Indicator Lights, and Switches .......................................................... 22
Microprocessor Controller ...................................................................................22
4-2
Initial Start-up ............................................................................................................ 23
4-3
Status Screens .......................................................................................................... 25
4-4
Access Levels ........................................................................................................... 26
4-5
Controller Setpoints................................................................................................... 28
4-6
Alarms ....................................................................................................................... 30
4-7
Optional Communications ......................................................................................... 30
CHAPTER 5:
MAINTENANCE ................................................. 32
5-1
Lubrication................................................................................................................. 32
5-2
Filter Cleaning ........................................................................................................... 32
5-3
Maintaining the Condenser ....................................................................................... 32
Air- and Remote Air-Cooled Chillers ...................................................................32
Water-Cooled Chillers .........................................................................................32
5-4
Maintaining the Evaporator ....................................................................................... 33
5-5
Evaporator Process Piping Y-Strainer....................................................................... 33
5-6
Preventative Maintenance Service............................................................................ 33
CHAPTER 6:
TROUBLESHOOTING ....................................... 34
CHAPTER 7:
APPENDIX.......................................................... 36
7-1
Returned Material Policy ........................................................................................... 36
Credit Returns .....................................................................................................36
7-2
Technical Assistance................................................................................................. 37
Parts Department ................................................................................................37
Service Department.............................................................................................37
Sales Department................................................................................................37
Contract Department ...........................................................................................37
7-3
Specifications ............................................................................................................ 38
Air-Cooled Portable Chillers ................................................................................38
Water-Cooled Portable Chillers ...........................................................................40
7-4
Pump Curves, Flow, and Pressure Considerations................................................... 42
60 Hertz Pump Curves ........................................................................................42
7-5
Electrical Schematic .................................................................................................. 44