Sterling 350-2100 CFM Troubleshooting, Problem Possible Cause Corrective Action

Page 52

Chapter 7: Troubleshooting

PROBLEM

 

POSSIBLE CAUSE

CORRECTIVE ACTION

Little or no air coming from

A.

Dirty Filters

A.

Clean or replace

process delivery tube.

 

 

filters.

 

B.

Desiccant beds

B.

Replace desiccant

 

contaminated by material

 

 

 

or plasticizer leaking into

 

 

 

the system. See Sec. 6-6.

 

 

 

 

 

 

 

 

C.

Blower fuse(s) blown.

C.

Fix problem and

 

 

 

 

Replace fuse(s).

 

D.

Overload tripped.

D. Fix problem and reset

 

 

 

 

 

 

 

the overload.

 

E. Blower fins filled with

E.

Remove blower

 

 

dust or contaminants.

 

sideplate, clean

 

 

 

 

baffles, replace.

Suction in delivery tube,

A.

Phase is reversed on

A.

Stop the Dryer.

pressure from the return

 

power drop coming

If the dryer was connected

tube.

 

into the dryer.

to the drying hopper, check

 

 

 

to see if the desiccant and

 

 

 

process air heater has

 

 

 

been contaminated with

 

 

 

resin. If so, replace the

 

 

 

desiccant and remove any

 

 

 

resin carry-over. Otherwise,

 

 

 

change the phase of two

 

 

 

legs of the three-phase

 

 

 

power drop. Never change

 

 

 

the phase at the motor

 

 

 

starters unless only one of

 

 

 

the two blowers is rotating

 

 

 

improperly.

350-2100 cfm Dryers

Chapter 7: Troubleshooting

52 of 58

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Page 51 Page 53
Contents SDA Series 350 2100 CFM Large Dehumidifying DryersWrite Down Your Serial Numbers Here For Future Reference Shipping Info Table of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Safety Tag Information Dryer Safety TagsWear Safety Glasses and Work Gloves General Responsibility ResponsibilityOperator Responsibility Maintenance Responsibility RememberReporting a Safety Defect Typical Features and Components Optional FeaturesFunctional Description Models Covered in This ManualClosed Loop Drying System What is Desiccant?Process/Regeneration Cycle Cfm Dryers Functional Description TOP View Left Side View Installation Work RulesElectrical Connections 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 ProtocolsPre-Startup Checks Startup, Shutdown & OperationStartup Setting the Process Air Temperature Setting the High and Low Temperature AlarmsTo Change the Process Air High Temperature Alarm Setting ShutdownTemperature Controller Autotune Procedure Temperature Controller Internal SwitchesTemperature Controller Anti-Tamper Lockout Switch Enabling the Lockout FeatureChanging the Display from Fahrenheit to Centigrade Setting the Dewpoint Extend Shift PointTo Change the Dewpoint Shift Point Regeneration Monitoring System Signal Processor LL Setpoint Low Regeneration Alarm Setpoint 130FSetpoint Regeneration Blower Shutdown Temp 160F 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 timePut the timer into Run mode Setting the stop timeSet the days of the week for automatic operation Filter Cleaning/Replacement MaintenanceServicing the Process Air Filters Models Filter Cleaning/Replacement Servicing the Process Air Filters Models 850 throughTo Clean the Regeneration Filter Dirty Filter Alarm CalibrationServicing the Regeneration Filter Symptoms of Worn Out Desiccant Dewpoint Control System ServiceTo 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 LevelsHysteresis SetpointsInput Shift Security Protection Scale Indication Sensor Input TypeDisplay Refresh Cycle Troubleshooting Problem Possible Cause Corrective ActionProblem Possible Cause Corrective Action Problem Possible Cause Corrective Action Warranty Returns AppendixReturned Material Policy Credit ReturnsCfm Dryers Appendix Preventive Maintenance Checklist Dehumidifying Dryers Service Department Technical AssistanceParts Department 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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