Sterling 882.93092.01 manual Configuration Settings, These configurations are described below

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Configuration Settings

 

 

 

Within the Supervisor Menu the chiller can be configured if options are added in the field.

 

These configurations are described below.

 

 

 

 

 

 

 

 

Variable

Description

Access Level

 

Operator

Supervisor

 

 

 

 

Tank Level Inst

Activates/Deactivates the tank level control sensor

 

x

 

 

 

 

 

 

Auto Water Make-up

Activates the automatic water makeup valve within

 

x

 

the controller

 

 

 

 

 

 

 

Set to CYCLING when a standard fan starter is used

 

 

 

Fan Control

to control the fan. Set to VFD when a variable

 

x

 

 

frequency drive is used to control the fan

 

 

 

 

When set to SP, the chiller will control to a static SP.

 

 

 

Disch Press Cntl

When set to AUTO, the chiller will adjust the

 

x

 

discharge pressure setpoint based on the current

 

 

 

 

 

 

 

conditions to increase efficiency.

 

 

 

 

Activates the optional temperature sensors for

 

 

 

Sensor Pack Inst

refrigerant liquid line and suction line temperatures,

 

x

 

and entering air or water temperature (depending on

 

 

 

 

 

 

 

condenser type)

 

 

 

Cond Diff Sw Inst

Activates the optional water cooled condenser

 

x

 

differential water pressure switch

 

 

 

 

 

 

Chill Diff Sw Inst

Activates the optional evaporator differential water

 

x

 

pressure switch

 

 

 

 

 

 

Clock Board Inst

Activates the optional controller real time clock card

 

x

 

 

 

 

 

 

Heater Installed

Activates the optional process heater

 

x

 

 

 

 

 

 

 

Determines how analog input 2 is used. It can be set

 

 

 

 

to CHIL IN (chiller in temperature), FROM PROC

 

 

 

Analog IN2

(from process temperature), CHIL REM SP (chiller

 

x

 

 

remote setpoint) or PROC REM SP (process remote

 

 

 

 

setpoint).

 

 

 

 

When Analog IN2 is set to REM SP, this determines

 

 

 

Remote SP Mode

if the LOCAL (entered through the display) setpoint

 

x

 

or REMOTE (Analog IN2) setpoint is used to

 

 

 

 

 

 

 

control the chiller.

 

 

 

Rem SP mA Range

Determines the signal type (0-20mA or 2-20mA) for

 

x

 

the Remote Setpoint

 

 

 

 

 

 

 

Determines how analog input 6 is used. It can be set

 

 

 

Analog In 6

to CHIL IN (chiller in temperature), FROM PROC

 

x

 

(from process temperature) or TO PROC (to process

 

 

 

 

 

 

 

temperature).

 

 

 

Chil Loop Type

Determines the chiller loop’s type (COOL or

 

x

 

HEAT/COOL)

 

 

 

 

 

 

Proc Loop Type

Determines the process loop’s type (COOL,

 

x

 

HEAT/COOL or HEAT).

 

 

 

 

 

 

 

Determines which loop’s (PROC or CHIL)

 

 

 

Primary Loop

information to display on the first status page of the

 

x

 

 

display.

 

 

 

 

Determines how analog output 2 is used. It can be

 

 

 

 

set to CHIL IN (retransmission of the chiller in

 

 

 

 

temperature), CHIL OUT (retransmission of the

 

 

 

Analog Out 2

chiller out temperature), FROM PROC

 

x

 

(retransmission of the from process temperature),

 

 

 

 

 

 

 

TO PROC (retransmission of the to process

 

 

 

 

temperature) or COOL VLV (process loop cooling

 

 

 

 

valve).

 

 

GP Series Portable Chillers

Chapter 4: Operation

45 of 90

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Page 44 Page 46
Contents GP Series Portable Chillers Shipping Information Table of Contents Chapter Troubleshooting Safety How to Use This ManualSafety Symbols Used in this Manual Responsibility  Wear Safety Glasses and Work GlovesModels Covered in This Manual Functional DescriptionGeneral Description Typical ApplicationsChilled Water Circuit System Control Refrigeration CircuitMechanical Features Standard FeaturesRefrigeration Features Electrical FeaturesController Features Safety Devices and InterlocksOther Features Crankcase HeaterHigh Pressure Cutout Optional Features Flow SwitchRemote Start/Stop Interlock Mounting Features Installation UncratingElectrical Connections Bypass Valve Considerations Process Water ConnectionsWater Treatment Considerations Galvanic Corrosion ConsiderationsCondenser Considerations Water-Cooled Chiller CondensersAir-Cooled Chiller Condensers Typical GP20-50 Water Cooled Condenser ConnectionsRemote Air-Cooled Chiller Condensers Towards the condenser GPRC-40 GPRC-105 Discharge Line Sizing Refrigerant Charge Determination Remote Condenser Configurations Checking Motor Direction Three-Phase CompressorsWater Pumps Condenser FanPart Number Description Water ReservoirSuggested Overhead Piping Configuration Pump Initial Start-Up Automatic Water Make-Up OptionPage Finishing Setup Setting Up Passwords Supervisor Password to complete the security setup Panel Buttons, Indicator Lights, and Switches OperationMicroprocessor Controller Main Status Screen Operator Setpoints Screen Status ScreensMain Chiller Status Screen GP Series Portable Chillers Operation Page Controller Setpoints Access LevelsGP Series Portable Chillers Operation Menu Screen Operator Setpoints Screen These configurations are described below Configuration SettingsWEB Optional Communications AlarmsFilter Cleaning MaintenanceLubrication Maintaining the CondenserPreventative Maintenance Service Maintaining the EvaporatorEvaporator Process Piping Y-Strainer Identifying the Cause of a Problem TroubleshootingGP Series Portable Chillers Troubleshooting SC/W System fault GP Series Portable Chillers Troubleshooting Problem Possible cause Solution Non-Controller Related IssuesGP Series Portable Chillers Troubleshooting GP Series Portable Chillers Troubleshooting Appendix Returned Material PolicyTechnical Assistance Service Department Sales DepartmentContract Department Air-Cooled Portable Chillers SpecificationsGPAC-40 GPAC-70 GPAC-105 GPAC-175 GPWC-20 Water-Cooled Portable ChillersGPWC-40 GPWC-70 GPWC-105 GPWC-175 Hertz Pump Curves Pump Curves, Flow, and Pressure ConsiderationsALL 60 Hz ALL 50 Hz ALL 50 Hz Calculating Chiller Nominal Flow and Pressure to Process Remote Air-Cooled Chiller Configurations Double Riser Detail Typical Ductwork for Air-Cooled Chillers Water column = Pascal 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

882.93092.01 specifications

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