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GP Series Portable Chillers iv
CHAPTER 4:
OPERATION....................................................... 26
4-1 Panel Buttons, Indicator Lights, and Switches .......................................................... 26
Microprocessor Controller ...................................................................................26
4-2 Initial Start-up ............................................................................................................ 27
4-3 Status Screens ..........................................................................................................29
4-4 Access Levels ........................................................................................................... 31
4-5 Controller Setpoints...................................................................................................32
4-6 Alarms ....................................................................................................................... 34
4-7 Optional Communications .........................................................................................34
CHAPTER 5: MAINTENANCE ................................................. 36
5-1 Lubrication................................................................................................................. 36
5-2 Filter Cleaning ........................................................................................................... 36
5-3 Maintaining the Condenser ....................................................................................... 36
Air- and Remote Air-Cooled Chillers ...................................................................36
Water-Cooled Chillers .........................................................................................36
5-4 Maintaining the Evaporator .......................................................................................37
5-5 Evaporator Process Piping Y-Strainer.......................................................................37
5-6 Preventative Maintenance Service............................................................................37
CHAPTER 6: TROUBLESHOOTING ....................................... 38
CHAPTER 7: APPENDIX.......................................................... 40
7-1 Returned Material Policy ...........................................................................................40
Credit Returns .....................................................................................................40
7-2 Technical Assistance................................................................................................. 41
Parts Department ................................................................................................41
Service Department.............................................................................................41
Sales Department................................................................................................41
Contract Department ...........................................................................................41
7-3 Specifications ............................................................................................................ 42
Air-Cooled Portable Chillers ................................................................................42
Water-Cooled Portable Chillers...........................................................................44
7-4 Pump Curves, Flow, and Pressure Considerations...................................................46
60 Hertz Pump Curves ........................................................................................46
50 Hertz Pump Curves ........................................................................................47
7-5 Remote Air-Cooled Chiller Configurations ................................................................ 49
7-6 Typical Ductwork for Air-Cooled Chillers...................................................................50
7-7 Piping Diagrams ........................................................................................................53