Sterling 350-2100 CFM installation manual Problem Possible Cause Corrective Action

Page 54

PROBLEM

POSSIBLE CAUSE

CORRECTIVE ACTION

Material in drying hopper

A. Process temperature set

A. Check resin

cakes, or meltdown occurs.

too high due to operator

manufacturer's data sheet

 

error.

for proper drying

 

 

temperature. Make sure

 

 

plant personnel are aware

 

 

of the correct process

 

 

temperature Set Point.

 

B. High temperature alarm

B. See Section 5-5.

 

not set properly.

 

 

C. Process set point is out

C. Restore temperature

 

of acceptable range.

controller to factory pre-

 

 

sets. Auto-Tune if

 

 

necessary. See Sec. 6-11.

Poor Dew Point

A. Burned out regeneration

A. Repair or replace.

Performance.

heater.

 

 

B. Contaminated or worn

B. Replace.

 

out desiccant.

 

 

C. Leaking process air

C. Repair or replace.

 

hoses.

 

 

D. Dryer is being operated

D. Check dryer and drying

 

beyond its capacity.

hopper sizing.

 

E. Bad dew point sensor.

E. Replace.

 

F. Fouled dew point

F. Clear obstruction. Air

 

sensor manifold.

should flow freely through

 

 

sensor.

350-2100 cfm Dryers

Chapter 7: Troubleshooting

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Page 53 Page 55
Contents SDA Series 350 2100 CFM Large Dehumidifying DryersWrite Down Your Serial Numbers Here For Future Reference Shipping Info Table of Contents Maintenance Safety How to Use This ManualSafety Symbols Used in this Manual Safety Tag Information Dryer Safety TagsWear Safety Glasses and Work Gloves Responsibility General ResponsibilityOperator Responsibility Maintenance Responsibility RememberReporting a Safety Defect Functional Description Typical Features and ComponentsOptional Features Models Covered in This ManualWhat is Desiccant? Closed Loop Drying SystemProcess/Regeneration Cycle Cfm Dryers Functional Description TOP View Left Side View Electrical Connections InstallationWork Rules Check For Proper Blower RotationAftercooler Cooling Water Connection Drying Hopper Air TrapTypical Control Panel Control Panel Indicator Lights Control PanelProcess Blower Failure Alarm Switches and Meters Valve Position ErrorProcess Air Temperature Controller PLC ControlProcess Air Temperature Controller Temperature Controller LED Indicators Process Value Numeric LEDTemperature Controller Keys See in Section Optional Communications ProtocolsStartup, Shutdown & Operation Pre-Startup ChecksStartup To Change the Process Air High Temperature Alarm Setting Setting the Process Air TemperatureSetting the High and Low Temperature Alarms ShutdownTemperature Controller Anti-Tamper Lockout Switch Temperature Controller Autotune ProcedureTemperature Controller Internal Switches Enabling the Lockout FeatureSetting the Dewpoint Extend Shift Point Changing the Display from Fahrenheit to CentigradeTo Change the Dewpoint Shift Point Setpoint Regeneration Blower Shutdown Temp 160F Regeneration Monitoring System Signal ProcessorLL Setpoint Low Regeneration Alarm Setpoint 130F HH Setpoint Heater Cut Off Temp 300FAuxiliary Process Safety System Optional Seven Day Timer OptionalSetting the Current Day of the Week, Hour and Minute Setting the start up timeSetting the stop time Put the timer into Run modeSet the days of the week for automatic operation Maintenance Filter Cleaning/ReplacementServicing the Process Air Filters Models Filter Cleaning/Replacement Servicing the Process Air Filters Models 850 throughDirty Filter Alarm Calibration To Clean the Regeneration FilterServicing the Regeneration Filter Dewpoint Control System Service Symptoms of Worn Out DesiccantTo check the dewpoint sensor and dewpoint control board Desiccant Replacement Procedure First AIDProcess Heater Replacement Procedure Desiccant Amounts RequiredRegeneration Heater Replacement Procedure Spots and lead to premature heater failureRestoring a Temperature Controller to the Factory Setup Switch To select a setting 10F Process Temperature Control Error Messages Regeneration Monitor Signal Processor Error Messages Regeneration Monitor Advanced Programming Moving Between LevelsSetpoints HysteresisInput Shift Security Protection Sensor Input Type Scale IndicationDisplay Refresh Cycle Troubleshooting Problem Possible Cause Corrective ActionProblem Possible Cause Corrective Action Problem Possible Cause Corrective Action Returned Material Policy Warranty ReturnsAppendix Credit ReturnsCfm Dryers Appendix Preventive Maintenance Checklist Dehumidifying Dryers Parts Department Service DepartmentTechnical Assistance Sales Department

350-2100 CFM specifications

The Sterling 350-2100 CFM is a high-performance ventilation system that effectively addresses the needs of various industrial and commercial applications. This versatile unit is designed to provide optimal air movement, offering flow rates spanning from 350 to 2100 cubic feet per minute (CFM). Its capabilities make it ideal for environments that require robust air circulation, such as warehouses, factories, and workshops.

One of the standout features of the Sterling 350-2100 CFM is its energy-efficient motor. The unit is equipped with a reliable and durable drive system, allowing for lower energy consumption while maintaining high performance. This not only reduces operational costs but also contributes to a greener footprint, making it an attractive option for businesses looking to enhance sustainability.

The ventilation system is designed with an advanced aerodynamic blade technology that maximizes airflow and minimizes noise levels. This allows for a more comfortable working environment by reducing the disruption typically associated with high-velocity air movement. Additionally, the integrated sound-dampening features ensure that it operates quietly, making it suitable for noise-sensitive areas.

The Sterling 350-2100 CFM also incorporates a user-friendly control panel, which allows for easy adjustments and monitoring of airflow levels. This system can be tailored to specific ventilation requirements, ensuring optimal performance in diverse settings. For added convenience, some models come with remote control capabilities, allowing operators to manage airflow from a distance.

Durability is a key characteristic of the Sterling 350-2100 CFM. The unit is constructed with high-grade materials that resist wear and tear, providing long-lasting service even in challenging environments. The weather-resistant design further enhances its suitability for outdoor applications.

Moreover, the system can be easily integrated with existing HVAC setups, providing flexibility and compatibility without extensive modifications. Maintenance is also simplified, with easily accessible components for routine checks and servicing.

In summary, the Sterling 350-2100 CFM ventilation system stands out for its combination of energy efficiency, quiet operation, and robust design. With its innovative technologies and user-friendly features, it meets the demands of modern industrial and commercial spaces while ensuring optimal air quality and comfort for occupants.
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