Sterling GP Series Refrigerator User Manual


 
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