Sterling 882.93092.01 manual GP Series Portable Chillers Troubleshooting

Page 57

Problem

Possible cause

Solution

 

Leaving fluid setpoint set higher

Lower the leaving fluid temperature

 

than temperature of liquid in

below the leaving temperature you

 

system.

desire.

 

 

Allow time to cool and reset, then check

 

 

for high/low volt-age. It must be within

 

Compressor internal overload or

plus or minus 10% of the nameplate

 

rating.

 

MCP is open.

Check for loose compressor electrical

 

 

connections.

Pump runs; compressor does not.

Compressor contactor holding coil

Failed compressor motor

Repair or replace.

 

open.

 

Defective compressor auxiliary

Repair or replace.

 

contact.

 

 

 

Broken wire in the compressor

Locate and repair.

 

control circuit.

 

 

 

 

 

 

Plugged Y-strainer

Clean

 

 

Check hot gas analog output value

 

Hot gas not coming on

through status screen. Contact Service

Pump runs, compressor cycles at

if output value remains at 0%

 

throughout compressor cycle.

short intervals.

 

Check internal bypass valve to verify it

 

Low process water flow

is open and free of debris.

 

Install bypass between to-and-from

 

 

 

 

process line

 

Restricted condenser air flow.

Clean filters.

 

Clean condenser.

Unit runs continuously, but not

Unit low on refrigerant.

Check the refrigerant charge by viewing

sight glass on liquid line upstream of the

enough cooling power.

Compressor not operating

expansion valve.

 

Call service.

 

efficiently.

 

Unit under-sized for application.

Call sales rep.

GP Series Portable Chillers

Chapter 6: Troubleshooting

57 of 90

Page 56 Page 58
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Page 56 Page 58
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

The Sterling 882.93092.01 is an impressive timepiece that exemplifies the perfect blend of artistry and precision engineering. This elegant watch is a testament to the craftsmanship that defines the Sterling brand, making it a sought-after choice for both watch aficionados and casual wearers alike.

One of the main features of the Sterling 882.93092.01 is its exceptional movement technology. This watch is powered by a reliable automatic movement, ensuring accurate timekeeping without the need for battery replacements. The self-winding mechanism harnesses the natural motion of the wearer's wrist, providing a seamless and hassle-free experience.

The design of the Sterling 882.93092.01 is another standout characteristic. The watch features a stainless steel case that provides durability and a sleek aesthetic. The polished finish adds a touch of sophistication, making it suitable for both formal and casual settings. With a diameter that fits comfortably on the wrist, it is designed for effortless wear throughout the day.

Additionally, the face of the Sterling 882.93092.01 boasts a striking dial that is not only visually appealing but also functional. It includes clear hour markers and hands that are luminous, facilitating readability in low-light conditions. This thoughtful design element ensures that the wearer can effortlessly check the time at any hour.

Another notable aspect is the watch's water resistance. The Sterling 882.93092.01 is rated for water resistance, making it suitable for everyday wear, including light swimming and exposure to splashes. This feature enhances the watch’s practicality, allowing it to withstand the rigors of daily life without compromising its integrity.

Finally, the bracelet of the Sterling 882.93092.01 is crafted with comfort and style in mind. It features an adjustable clasp that allows for a customized fit, ensuring that the watch remains secure on the wrist. The combination of high-quality materials and impeccable design makes the bracelet an integral part of the overall charm of the watch.

Overall, the Sterling 882.93092.01 is more than just a timekeeping device; it is a statement piece that showcases exceptional design, reliable technology, and outstanding craftsmanship. Whether worn at special occasions or in everyday scenarios, this watch is bound to impress and stand the test of time.
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