Sterling GP Series specifications Maintenance

Page 4

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

GP Series Portable Chillers

iv

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Contents GP Series Portable Chillers Shipping Information Table of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Responsibility Functional Description Models Covered in This ManualGeneral Description Chilled Water CircuitMechanical Features Standard FeaturesElectrical Features Safety Devices and Interlocks Refrigeration FeaturesController Features Other FeaturesOptional Features Flow SwitchHigh Pressure Cutout Remote Start/Stop InterlockMounting Features Optional Pump Amperages Voltage Construction Full Load Amps Uncrating InstallationElectrical Connections Process Water Connections Bypass Valve ConsiderationsGalvanic Corrosion Considerations Water Treatment ConsiderationsWater-Cooled Chiller Condensers Condenser ConsiderationsAir-Cooled Chiller Condensers Three-Phase Compressors Checking Motor DirectionWater Pumps Condenser FanWater Reservoir Part Number DescriptionEthylene Glycol and Propylene Glycol Curves Automatic Water Make-Up Option Finishing Setup Setting Up PasswordsInitial Start-Up Page Page Operation Panel Buttons, Indicator Lights, and SwitchesMicroprocessor Controller Main Status Screen Operator Setpoints Screen Status Screens Access Levels Page Controller Setpoints Menu Screen Alarms Optional CommunicationsGP Series Portable Chillers Operation Maintenance Filter CleaningLubrication Maintaining the CondenserMaintaining the Evaporator Preventative Maintenance ServiceEvaporator Process Piping Y-Strainer Troubleshooting GP Series Portable Chillers TroubleshootingGP Series Portable Chillers Troubleshooting Warranty Returns AppendixReturned Material Policy Credit ReturnsService Department Technical AssistanceParts Department Sales DepartmentSpecifications Air-Cooled Portable ChillersPAC-40 Water-Cooled Portable Chillers PWC-20PWC-50 Pump Curves, Flow, and Pressure Considerations Hertz Pump CurvesCalculating Chiller Nominal Flow and Pressure to Process Electrical Schematic