Sterling 882.93092.00 specifications Controller Setpoints

Page 32

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

 

 

 

 

 

GP Series Portable Chillers

Chapter 4: Operation

32 of 64

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Page 31 Page 33
Contents GP Series Portable Chillers Shipping Information Table of Contents Operation Safety Symbols Used in this Manual SafetyHow to Use This Manual Responsibility Functional Description Models Covered in This ManualGeneral Description Chilled Water CircuitElectrical Features Standard FeaturesMechanical 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 Electrical Connections InstallationUncrating Process Water Connections Bypass Valve ConsiderationsGalvanic Corrosion Considerations Water Treatment ConsiderationsAir-Cooled Chiller Condensers Condenser ConsiderationsWater-Cooled Chiller Condensers Remote Air-Cooled Chiller Condensers Equivalent Length in Feet for Valves and Fittings Discharge Line Sizing Refrigerant Charge Determination Three-Phase Compressors Checking Motor DirectionWater Pumps Condenser FanWater Reservoir Part Number DescriptionPump Initial Start-Up Finishing Setup Setting Up PasswordsAutomatic Water Make-Up Option Page Page Microprocessor Controller Panel Buttons, Indicator Lights, and SwitchesOperation Main Status Screen Operator Setpoints Screen Status Screens GP Series Portable Chillers Operation Access Levels Controller Setpoints Menu Screen Alarms Optional CommunicationsGP Series Portable Chillers Operation Maintenance Filter CleaningLubrication Maintaining the CondenserEvaporator Process Piping Y-Strainer Preventative Maintenance ServiceMaintaining the Evaporator 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-40 Pump Curves, Flow, and Pressure Considerations Hertz Pump CurvesALL 50 Hz Capacity liter/minCalculating Chiller Nominal Flow and Pressure to Process Remote Air-Cooled Chiller Configurations Typical Ductwork for Air-Cooled Chillers Page GP Series Portable Chillers Appendix 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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