Sterling 882.93092.01 manual Sc/W

Page 52

 

 

 

 

Water cooled condenser valve

Verify cooling valve operation.

 

 

 

 

 

stuck open

 

 

 

 

 

 

Fan VFD output at 100%

Verify VFD is in remote versus

 

 

 

 

 

manual operation. Verify

 

 

 

 

 

 

 

controller output to VFD.

 

 

 

 

 

Low process fluid flow

and adjust if necessary

 

 

 

 

 

 

 

Verify system valve operation

 

 

Low Fluid Temp Fault

9

CC

Plugged Y-strainer

Clean y-strainer through blow-

 

 

 

 

 

down valve or cleaning internal

 

 

 

 

 

 

 

strainer.

 

 

 

 

 

System low on refrigerant

Contact Customer Service

 

 

 

 

 

Liquid line valves closed

controller and valve

 

 

 

 

 

 

 

Verify wiring or output between

 

 

 

 

 

Chilled fluid setpoint too

Adjust setpoint or fluid

 

 

Low Suction Pressure Fault

10

CC

close to freeze protection

freezepoint temperature (will

 

 

setpoint.

 

require adding glycol to fluid)

 

 

 

 

 

Process fluid flow rate too

Verify system valve operation

 

 

 

 

 

low.

 

and adjust if necessary

 

 

 

 

 

Thermal expansion valve

Contact Customer Service

 

 

 

 

 

failure.

 

 

 

 

Low Superheat Fault (only will

 

 

Thermal expansion valve

Contact Customer

 

 

 

 

failure

 

 

 

 

appear if optional sensor pack is

11

CC

 

 

 

 

Temperature Sensor Failure

Verify sensor wiring between

 

 

installed)

 

 

 

 

 

 

 

 

 

controller and sensor.

 

 

 

 

 

Sensor failure

Check the wiring connection at

 

 

Suction Pressure Sensor Failure

12

CC

Electrical connection at

 

 

sensor open

the sensor, and at the controller.

 

 

 

 

 

Electrical connection at

If necessary replace sensor.

 

 

 

 

 

controller open

 

 

 

 

 

 

Sensor wires loose from

Check the wiring connection at

 

 

Leaving Water Temp Sensor

13

SC

controller terminal block

the controller terminal block

 

 

sensor and controller terminal

Replace Sensor

 

 

Failure

 

 

 

Sensor wires broke between

 

 

 

 

 

 

block.

 

 

 

 

 

 

 

Tank level too low

Add fluid if necessary.

 

 

 

 

 

 

 

Verify tank level parameters.

 

 

Low Level Fault

14

SC

 

 

 

 

Optional water makeup valve

controller and makeup valve.

 

 

 

 

 

failure

 

Verify wiring between

 

 

 

 

 

 

Replace valve if necessary

 

 

 

 

 

Tank level sensor failure

Replace Sensor

 

 

 

 

 

System valve(s) closed

operational and adjust.

 

 

 

 

 

 

 

Verify that all system valves are

 

 

No Flow

15

SC

 

 

 

 

Low flow sensor failure

and at the terminal block.

 

 

 

 

 

 

 

Verify the sensor at the sensor

 

 

 

 

 

Pump failure

Verify the operation of the

 

 

 

 

 

pump (i.e. motor circuit

 

 

 

 

 

 

 

protector or pump rotation)

 

 

CC = Compressor Critical

SC = System Critical

PC = Process Critical

W = Warning

 

 

 

 

Alarm Name

#

Type

Possible Cause

Solution

 

 

 

 

 

Motor circuit protector open

Verify motor circuit protector

 

 

 

 

 

operation. Verify motor wiring

 

 

Pump Overload

16

SC

 

 

and amp draw while under load.

 

 

 

 

 

 

 

Verify system valves are

 

 

 

 

 

Pump flow rate in excess of

operational and properly set.

 

 

 

 

 

Contact customer service or

 

 

 

 

 

capacity

 

 

 

 

 

 

 

sales if pump is sized too small

 

 

 

 

 

 

 

for application.

 

 

High Fluid Temp Fault

17

SC/W

Fluid temperature higher than

Verify parameter and adjust if

 

 

parameter.

necessary.

 

 

 

 

 

Refrigeration system fault

Check for any refrigeration

 

GP Series Portable Chillers

Chapter 6: Troubleshooting

52 of 90

Image 52
Contents GP Series Portable Chillers Shipping Information Table of Contents Chapter Troubleshooting How to Use This Manual SafetySafety Symbols Used in this Manual  Wear Safety Glasses and Work Gloves ResponsibilityFunctional Description Models Covered in This ManualGeneral Description Typical ApplicationsChilled Water Circuit Refrigeration Circuit System ControlStandard Features Mechanical FeaturesElectrical Features Refrigeration FeaturesSafety Devices and Interlocks Controller FeaturesOther Features Crankcase HeaterHigh Pressure Cutout Flow Switch Optional FeaturesRemote Start/Stop Interlock Mounting Features Uncrating InstallationElectrical Connections Process Water Connections Bypass Valve ConsiderationsGalvanic Corrosion Considerations Water Treatment ConsiderationsCondenser Considerations Water-Cooled Chiller CondensersTypical GP20-50 Water Cooled Condenser Connections Air-Cooled Chiller CondensersRemote Air-Cooled Chiller Condensers Towards the condenser GPRC-40 GPRC-105 Discharge Line Sizing Refrigerant Charge Determination Remote Condenser Configurations Three-Phase Compressors Checking Motor DirectionWater Pumps Condenser FanWater Reservoir Part Number DescriptionSuggested Overhead Piping Configuration Pump Automatic Water Make-Up Option Initial Start-UpPage Finishing Setup Setting Up Passwords Supervisor Password to complete the security setup Operation Panel Buttons, Indicator Lights, and SwitchesMicroprocessor Controller Main Status Screen Status Screens Operator Setpoints ScreenMain Chiller Status Screen GP Series Portable Chillers Operation Page Access Levels Controller SetpointsGP Series Portable Chillers Operation Menu Screen Operator Setpoints Screen Configuration Settings These configurations are described belowWEB Alarms Optional CommunicationsMaintenance Filter CleaningLubrication Maintaining the CondenserMaintaining the Evaporator Preventative Maintenance ServiceEvaporator Process Piping Y-Strainer Troubleshooting Identifying the Cause of a ProblemGP Series Portable Chillers Troubleshooting SC/W System fault GP Series Portable Chillers Troubleshooting Non-Controller Related Issues Problem Possible cause SolutionGP Series Portable Chillers Troubleshooting GP Series Portable Chillers Troubleshooting Returned Material Policy AppendixTechnical Assistance Sales Department Service DepartmentContract Department Specifications Air-Cooled Portable ChillersGPAC-40 GPAC-70 GPAC-105 GPAC-175 Water-Cooled Portable Chillers GPWC-20GPWC-40 GPWC-70 GPWC-105 GPWC-175 Pump Curves, Flow, and Pressure Considerations Hertz Pump CurvesALL 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.