Sterling 882.93092.01 manual System fault

Page 53

 

 

 

 

 

 

 

 

 

 

system fault

 

 

 

 

 

 

 

Chiller too small for load

 

Verify with sales representative

 

 

 

 

 

 

 

 

the sizing of the chiller for the

 

 

 

 

 

 

 

 

 

 

application.

 

Low Condenser Differential

18

 

 

W

 

Low discharge pressure or

 

Contact customer service

 

Pressure Warning

 

 

 

high suction pressure

 

 

 

Condenser Inlet Temp Sensor

 

 

 

 

 

Sensor wires loose from

 

Verify wiring at terminal block.

 

 

 

 

 

 

controller terminal block

.

 

Failure (optional with sensor

19

 

 

W

 

Sensor wires broke between

 

Replace temperature sensor

 

pack)

 

 

 

 

 

sensor and controller terminal

 

 

 

 

 

 

 

 

 

block.

 

 

 

 

 

 

 

 

 

 

Sensor wires loose from

 

Verify wiring at terminal block.

 

Chiller In Fluid Temp Sensor

20

 

 

W

 

controller terminal block

.

 

 

 

 

Sensor wires broke between

 

Replace temperature sensor

 

Failure

 

 

 

 

 

 

 

 

 

 

sensor and controller terminal

 

 

 

 

 

 

 

 

 

block.

 

 

Backflush evaporator

 

 

 

 

 

 

 

Blocked evaporator

 

 

Evaporator Differential Pressure

21

 

 

W

 

Blocked Y-strainer

 

Blow down y-strainer by

 

 

 

 

 

opening blow-down valve or

 

 

 

 

 

 

 

 

 

 

clean internal strainer.

 

 

 

 

 

 

 

Dirty air cooled condenser or

 

Clean filter or condenser

 

 

 

 

 

 

 

inlet filter

 

 

 

 

 

 

 

 

 

Dirty water cooled condenser

 

Clean condenser or verify

 

 

 

 

 

 

 

or condenser valve failure

 

operation of condenser valve

 

 

 

 

 

 

 

Condenser fan overload

 

See Fan Overload Fault

 

High Discharge Pressure Warning

22

 

 

W

 

Condenser fan VFD fault

 

See VFD Fault

 

 

 

 

Ambient air or condenser

 

Verify supply temperature or air

 

 

 

 

 

 

 

water temperature too high

 

removal capacity.

 

 

 

 

 

 

 

Too much refrigerant in

 

Contact Customer Service for

 

 

 

 

 

 

 

system.

 

 

assistance

 

 

 

 

 

 

 

Liquid line valves closed.

 

Verify operation of valve and

 

 

 

 

 

 

 

 

wiring on controller

 

 

 

 

 

 

 

Fluid temperature higher than

 

Verify parameter and adjust if

 

 

 

 

 

 

 

parameter.

 

necessary.

 

High Fluid Temp Warning

23

 

 

W

 

Refrigeration system fault

 

Check for any refrigeration

 

 

 

 

 

system fault

 

 

 

 

 

 

 

Chiller too small for load

 

Verify with sales representative

 

 

 

 

 

 

 

 

the sizing of the chiller for the

 

 

 

 

 

 

 

 

 

 

application.

 

 

 

 

 

 

 

 

 

 

 

 

CC = Compressor Critical

SC = System Critical

PC = Process Critical

 

W = Warning

 

 

 

 

 

 

 

 

 

 

Solution

 

Alarm Name

#

 

 

Type

 

Possible Cause

 

 

 

 

 

 

 

 

Fluid level higher than

 

Verify value in parameter

 

High Level Fault

24

 

 

W

 

parameter setting.

 

Open drain valve and remove

 

 

 

 

Too much fluid in system

 

 

 

 

 

 

some fluid from system so that

 

 

 

 

 

 

 

 

 

 

level is below high level fault.

 

 

 

 

 

 

 

Tank sensor failure

 

Replace sensor

 

 

 

 

 

 

 

Fluid level higher than

 

Verify value in parameter

 

 

 

 

 

 

 

parameter setting.

 

 

 

High Level Warning

25

 

 

W

 

 

 

 

Open drain valve and remove

 

 

 

 

Too much fluid in system

 

some fluid from system so that

 

 

 

 

 

 

 

 

level is below high level

 

 

 

 

 

 

 

 

 

 

warning.

 

 

 

 

 

 

 

Tank sensor failure

 

Replace sensor

 

Compressor Differential Pressure

26

 

 

CC

 

Low discharge pressure or

 

Contact customer service

 

Fault

 

 

 

high suction pressure

 

 

 

High Suction Pressure Warning

27

 

 

W

 

From Process fluid

 

Verify flow through system.

 

 

 

 

temperature too high

 

Make corrections as necessary.

 

Low Discharge Pressure Warning

28

 

 

W

 

Ambient air or condenser

 

Verify ambient air temperature

GP Series Portable Chillers

Chapter 6: Troubleshooting

53 of 90

Page 52 Page 54
Image 53
Page 52 Page 54
Contents GP Series Portable Chillers Shipping Information Table of Contents Chapter Troubleshooting Safety Symbols Used in this Manual SafetyHow to Use 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 Remote Start/Stop Interlock Optional FeaturesFlow Switch Mounting Features Electrical Connections InstallationUncrating 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 Microprocessor Controller Panel Buttons, Indicator Lights, and SwitchesOperation 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 CondenserEvaporator Process Piping Y-Strainer Preventative Maintenance ServiceMaintaining the Evaporator 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 Technical Assistance AppendixReturned Material Policy Contract Department Service DepartmentSales 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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