Sterlco GP Series 5-15 HP Portable Chillers User Manual
Page 5
GP Series Portable Chillers
v
Table of Contents
CHAPTER 1:
SAFETY ................................................................ 7
1-1
How to Use This Manual ............................................................................................... 7
Safety Symbols Used in this Manual ..................................................................... 7
1-2
Warnings and Precautions ............................................................................................ 9
1-3
Responsibility ................................................................................................................ 9
CHAPTER 2:
FUNCTIONAL DESCRIPTION ........................... 10
2-1
Models Covered in This Manual .................................................................................. 10
2-2
General Description ..................................................................................................... 10
Typical Applications ............................................................................................. 10
System Limitations .............................................................................................. 10
Chilled Water Circuit ............................................................................................ 11
Refrigeration Circuit ............................................................................................. 12
2-3
Standard Features ....................................................................................................... 13
Mechanical Features ........................................................................................... 13
Electrical Features ............................................................................................... 14
Refrigeration Features ......................................................................................... 14
Controller Features .............................................................................................. 15
Other Features .................................................................................................... 15
2-4
Safety Devices and Interlocks ..................................................................................... 15
Crankcase Heater ............................................................................................... 15
High Pressure Cutout .......................................................................................... 16
Low Pressure Cutout (no switch but done through the transducer) .................... 16
Flow Switch ......................................................................................................... 17
Remote Start/Stop Interlock ................................................................................ 17
2-5
Optional Features ........................................................................................................ 17
CHAPTER 3:
INSTALLATION ................................................. 19
3-1
Uncrating ..................................................................................................................... 19
3-2
Electrical Connections ................................................................................................. 19
3-3
Process Water Connections ........................................................................................ 20
3-4
Bypass Valve Considerations ...................................................................................... 20
3-5
Galvanic Corrosion Considerations ............................................................................. 21
3-6
Water Treatment Considerations ................................................................................ 21
3-7
Condenser Considerations .......................................................................................... 21
Water-Cooled Chiller Condensers ....................................................................... 21
Air-Cooled Chiller Condensers ............................................................................ 22
Remote Air-Cooled Chiller Condensers .............................................................. 23
3-8
Checking Motor Direction ............................................................................................ 30
Three-Phase Compressors ................................................................................. 30
Water Pumps ....................................................................................................... 30
Condenser Fan .................................................................................................... 30
3-9
Water Reservoir ........................................................................................................... 31
3-10
Automatic Water Make-Up Option ............................................................................. 34
3-11
Initial Start-Up ............................................................................................................ 34
3-12
Finishing Setup: Setting Up Passwords ..................................................................... 37
CHAPTER 4:
OPERATION ....................................................... 39
4-1
Panel Buttons, Indicator Lights, and Switches ............................................................ 39
Microprocessor Controller ................................................................................... 39
4-2
Initial Start-up .............................................................................................................. 40
4-3
Status Screens ............................................................................................................ 42