Sterling 882.93092.00 specifications Controller Setpoints, Menu Screen

Page 34

4-5

Controller Setpoints

 

 

 

 

 

 

 

 

Variable

Description

Access Level

 

Operator

Supervisor

 

 

 

 

Leaving Temp

Temperature of fluid out to process

x

x

 

 

 

 

 

 

Hi Temp Warning

Setpoint for alarm to warn when leaving fluid

x

x

 

temperature is too high

 

 

 

 

 

Hi Temp Fault

Setpoint to shut down pump and compressor based on

x

x

 

leaving fluid temperature

 

 

 

 

 

Compressor On

Temperature Difference between Leaving Fluid

 

x

 

Differential

Temperature and Setpoint to turn on the compressor

 

 

 

 

 

Compressor Off

Temperature Difference between Leaving Fluid

 

x

 

Differential

Temperature and Setpoint to turn off the compressor

 

 

 

 

 

Pump Stop Delay

Delay time in seconds between fault and stopping the

 

x

 

pump

 

 

 

 

 

 

Low Temperature

Temperature to activate Low Temperature Warning

 

x

 

Warning

alarm

 

 

 

 

 

Low Temperature Fault

Temperature to activate Low Temperature Fault alarm

 

x

 

 

 

 

 

 

Water Make-up On

The tank level to turn on optional water make-up valve;

 

x

 

based on size of tank

 

 

 

 

 

 

Water Make-up Off

The tank level to turn off optional water make-up valve;

 

x

 

based on size of tank.

 

 

 

 

 

 

Water Make-up Time

The time in seconds that controller will allow for filling

 

x

 

the tank

 

 

 

 

 

 

Low Level Warning

Tank level that will activate Low Level Warning alarm

 

x

 

 

 

 

 

 

Low Level Fault

Tank level that will activate Low Level Warning fault

 

x

 

 

 

 

 

 

High Level Warning

Tank level that will activate High Level Warning alarm

 

x

 

 

 

 

 

 

High Level Fault

Tank level that will activate High Level Warning fault

 

x

 

 

 

 

 

 

High Temperature

Delay time in minutes between fault and stopping the

 

x

 

Delay

compressor and pump

 

 

 

 

 

Alarm Silence Time

Time in minutes to silence alarm (with optional audible

 

x

 

alarm). After time alarm will reactivate.

 

 

 

 

 

 

Operator Password

Time in minutes for operator password to be active

 

x

 

Time

 

 

 

 

 

 

Supervisor Password

Time in minutes for supervisor password to be active

 

x

 

Time

 

 

 

 

 

1.Set the Leaving Fluid temperature by depressing the button to display the menu.

Figure 12 - Menu Screen

GP Series Portable Chillers

Chapter 4: Operation

34 of 73

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Contents GP Series Portable Chillers Shipping Information Table of Contents Appendix How to Use This Manual SafetySafety Symbols Used in this Manual Responsibility General Description Functional DescriptionModels Covered in This Manual Chilled Water CircuitMechanical Features Standard FeaturesElectrical Features Controller Features Safety Devices and InterlocksRefrigeration Features Other FeaturesHigh Pressure Cutout Optional FeaturesFlow Switch Remote Start/Stop InterlockMounting Features Optional Pump Amperages Voltage Construction Full Load Amps Uncrating InstallationElectrical Connections Galvanic Corrosion Considerations Process Water ConnectionsBypass Valve Considerations Water Treatment ConsiderationsAir-Cooled Chiller Condensers Condenser ConsiderationsWater-Cooled Chiller Condensers Remote Air-Cooled Chiller CondensersPage Page Equivalent Length in Feet for Valves and Fittings Total Equiv GP Series Portable Chillers Installation Discharge Line Sizing Refrigerant Charge Determination Water Pumps Three-Phase CompressorsChecking Motor Direction Condenser FanWater Reservoir Part Number DescriptionPump 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 Status Screens Operator Setpoints ScreenPage Access Levels Controller Setpoints Alarms Optional CommunicationsPage GP Series Portable Chillers Operation Lubrication MaintenanceFilter Cleaning Maintaining the CondenserMaintaining the Evaporator Preventative Maintenance ServiceEvaporator Process Piping Y-Strainer Troubleshooting GP Series Portable Chillers TroubleshootingGP Series Portable Chillers Troubleshooting Returned Material Policy Warranty ReturnsAppendix Credit ReturnsParts Department Service DepartmentTechnical Assistance Sales DepartmentPAC-20 SpecificationsAir-Cooled Portable Chillers PAC-30PAC-40 PAC-50GPAC-70 GPAC-105 TON GPAC-140GPAC-175 GPAC-210PWC-20 Water-Cooled Portable ChillersPWC-30 PWC-40 PWC-50GPWC-70 GPWC-105 GPWC-140GPWC-175 GPWC-210Pump Curves, Flow, and Pressure Considerations Hertz Pump CurvesModel GP70 GP90 ALL 50 Hz Capacity liter/minACS Chiller Pumps Pure Water at 40F GPM DP PSIRemote Air-Cooled Chiller Configurations Typical Ductwork for Air-Cooled Chillers Page Piping Diagrams GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix GP Series Portable Chillers Appendix
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882.93092.00 specifications

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