Sterling A0554831 - Page 4

2-40 HP Portable Chillers iv
3-11 Initial Start-Up............................................................................................................28
CHAPTER 4: OPERATION ........................................................29
4-1 Panel Buttons, Indicator Lights, and Switches ..........................................................29
Microprocessor Controllers..................................................................................29
Graphic Panel......................................................................................................32
4-2 Start-up......................................................................................................................35
4-3 Setting the Process Water Temperatures .................................................................35
4-4 Auto-Tuning...............................................................................................................35
4-5 Optional Communications .........................................................................................35
4-6 Programming the Electronic High/Low Thermostat...................................................36
CHAPTER 5: MAINTENANCE...................................................38
5-1 Lubrication.................................................................................................................38
5-2 Filter Cleaning ...........................................................................................................38
5-3 Maintaining the Condenser .......................................................................................39
Air- and Remote Air-Cooled Chillers ...................................................................39
Water-Cooled Chillers .........................................................................................39
5-4 Maintaining the Evaporator .......................................................................................39
5-5 Evaporator Process Piping Y-Strainer.......................................................................39
5-6 Preventative Maintenance Service............................................................................40
CHAPTER 6: TROUBLESHOOTING.........................................41
CHAPTER 7: APPENDIX ...........................................................43
7-1 Returned Material Policy ...........................................................................................43
7-2 Technical Assistance.................................................................................................44
Parts Department ................................................................................................44
Service Department.............................................................................................44
Sales Department................................................................................................44
Contract Department...........................................................................................44
7-3 Drawings and Specifications .....................................................................................45
2 hp and 3 1/2 hp Air-Cooled Portable Chillers...................................................45
5 hp and 7.5 hp Air-Cooled Portable Chillers......................................................46
10 hp and 15 hp Air-Cooled Portable Chillers.....................................................47
20 hp, 25 hp, and 30 hp Air-Cooled Portable Chillers.........................................48
2 hp and 3.5 hp Water-Cooled Portable Chillers.................................................49
5 hp and 7.5 hp Water-Cooled Portable Chillers.................................................50
10 hp and 15 hp Water-Cooled Portable Chillers................................................51
20 hp, 25 hp, and 30 hp Water-Cooled Portable Chillers....................................52
35 hp and 40 hp Water-Cooled Portable Chillers................................................53
5 hp and 7.5 hp Remote Air-Cooled Portable Chillers.........................................54
10 hp and 15 hp Remote Air-Cooled Portable Chillers........................................55
20 hp through 40 hp Remote Air-Cooled Portable Chillers .................................56
Remote Condenser Assembly Models ................................................................57
7-4 Pump Curves, Flow, and Pressure Considerations...................................................58
60 Hertz Pump Curves........................................................................................59
50 Hertz Pump Curves........................................................................................60
Water Pressure Drop Tables...............................................................................61