Sterling 90-225 CFM, SDA 150-380 installation manual Plc

Page 50

Problem

Possible cause

Corrective action

 

Airflow valve sticking or

Check for proper operation of

 

valve actuators. Repair or

Loss or reduction in drying

failing to shift.

replace if necessary.

 

capacity. (Cont’d.)

Blower fins filled with dust or

Remove blower side plate,

 

clean baffles, replace.

 

contaminants.

 

Replace filter elements.

 

 

 

Insufficient power to PLC

Check power supply and

PLC Regeneration Bed LED

(Power LED is off).

power wiring to PLC.

Faulty PLC (PLC Power light

 

indicators both off.

Replace PLC.

is on, Run light is off, and/or

 

 

Error light is on).

 

 

Regenerating bed cool down.

None.

 

 

Verify that blower contactor is

 

Blower Input indicator is off.

on. Check input wiring to

PLC Regeneration Heater

 

PLC.

Process air in high-

None.

Left/Right output indicators

temperature condition.

 

both off.

 

 

Insufficient power to PLC

Check power supply and

 

(Power light is off).

power wiring to PLC.

 

Faulty PLC (PLC Power light

Replace PLC.

 

is on, Run light is off, and/or

 

Error light is on).

 

 

 

Check resin manufacturer’s

 

 

data sheet for proper drying

 

Process temperature set too

temperature. Make sure plant

 

high due to operator error.

personnel are aware of the

 

 

correct process temperature

Material in drying hopper

 

set point.

cakes, or meltdown occurs.

High temperature alarm not

Reset high temperature

 

set properly.

alarm.

 

Process set point is out of

Restore temperature

 

acceptable range.

controller to factory pre-sets.

 

Function set for degrees

Verify correct Celsius or

 

Celsius (ºC), set point at

 

Fahrenheit settings.

 

degrees Fahrenheit (ºF).

 

 

 

Burned out regeneration

Repair or replace.

 

heater.

 

 

 

Contaminated or worn out

Replace.

 

desiccant.

 

 

Poor dew point performance.

Leaking process air hoses.

Repair or replace.

Dryer operates beyond its

Check dryer and drying

 

 

capacity.

hopper sizing.

 

Bad dew point sensor.

Replace.

 

Fouled dew point sensor

Clear obstruction. Air should

 

manifold.

flow freely through sensor.

Cabinet Series Dehumidifying Dryer

49

Page 49 Page 51
Image 50
Page 49 Page 51
Contents SDA 150-380 90-225 CFM Cabinet Series Dehumidifying Dryers Bulletin No. WH1-606 Table of Contents TROUBLESHOOTING…………………………….48 Charts and Figures Safety Symbols Used in this Manual SafetyHow to Use This Manual Description Operator Responsibility ResponsibilityGeneral Responsibility Maintenance Responsibility Reporting a Safety Defect General Information Dryer Air Flow Diagram Closed Loop Drying SystemSpecifying a Drying/Conveying System What is Desiccant?Process/Regeneration Cycle Positioning Your Dryer InstallationConnecting Compressed Air Making Electrical ConnectionsDrying Hopper Connecting Cooling Water to the Optional AftercoolerProcess Air Connections Between the Dryer and Drying Hopper Controls Control Panel Indicator Lights and SwitchesRocker Switches Indicating LightsSignal to the PLC controller to shut down dryer Typical Dyer Interface Panel Process Air Dew Point Display Process Air Temperature ControllerIdentifying Temperature Controller LED Indicators Up Arrow Button Identifying Temperature Controller Buttons Display ButtonDown Arrow Button Auto-Tune ButtonE5CK Operating Parameters Available E5CK ModesSetting the Process Air Temperature PLC ControllerPLC LED Indicators Name DescriptionOutput LED Indicators Typical Subpanel Layout Typical Cabinet Dryer Electrical Schematic, Drawing Typical Cabinet Dryer Electrical Schematic, Drawing 222 Entering Operating Parameters to Select Modes Setting the Shift on Dew PointSetting the High Dew Point Alarm Display Optional Seven Day TimerTimer Programming the Optional Timer Setting the Current Day of the Week, Hour, and MinuteMultiple-Day Operation Daily Timer OperationChecking the Set Time Canceling the Settings Day OverrideCabinet Series Dehumidifying Dryer Startup OperationPre-Startup Checks ShutdownPage Servicing Process Air Filters MaintenanceWork Rules Vacuuming Recommendations for Cleaning and Replacing FiltersCleaning with Compressed Air WashingJan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Preventative Maintenance ChecklistSystem model # Serial # Every two yearsSymptoms of Worn Desiccant Servicing the Dew Point MonitorReplacing Worn Desiccant First AidLbs Replacing the Process HeaterDryer Large bead Type Small bead Type Total per bed Changing the Controller Security Level Mode Security levelReplacing the Regeneration Heater Mode Parameter Setting range Default Factory Mode Parameter Setting range SettingParameter Setting range Option BoardsRestoring Factory Defaults on the Dew Point Controller Option Type RE232C RS-485 Event Input Transfer OutputPID Cabinet Series Dehumidifying Dryer Stop the dryer TroubleshootingProblem Possible cause Corrective action PLC Using a Platinum Resistance Thermometer Determining Temperature Controller Errors or Sensor ErrorsUsing a Thermocouple

SDA 150-380, 90-225 CFM specifications

The Sterling 90-225 CFM and SDA 150-380 series represent cutting-edge advancements in air compressor technology, designed for a wide range of industrial applications. Known for their reliability, efficiency, and superior performance, these units are essential tools for professionals seeking high-quality compressed air solutions.

One of the standout features of the Sterling 90-225 CFM series is its impressive flow rate. With a capacity range of 90 to 225 cubic feet per minute, these compressors offer ample airflow to power pneumatic tools and equipment while maintaining optimal pressure levels. The durability of the components used in the construction of this series ensures that it can withstand the rigors of heavy-duty operations while minimizing downtime.

The SDA 150-380 series further enhances this approach with its higher capacity range, accommodating between 150 to 380 CFM. This variant is particularly suitable for larger facilities and demanding applications where sustained airflow is essential. Both series are designed to adapt to various pressure requirements, making them versatile solutions for different industries, including manufacturing, construction, and automotive sectors.

A key technology featured in both series is the use of energy-efficient motors, which significantly reduce operational costs. These motors are designed to deliver high torque at low speeds, ensuring smooth operation and less wear on the compressor. Furthermore, the incorporation of advanced control systems allows for real-time monitoring and adjustments to optimize performance, ensuring that the compressors operate within desired parameters continuously.

Noise reduction is another critical aspect of both the Sterling and SDA series. Innovatively engineered with sound-attenuating materials, these compressors operate at lower decibel levels, providing a more pleasant working environment. This focus on user comfort doesn’t sacrifice performance, as the units are built to achieve maximum efficiency even at reduced noise levels.

The ease of maintenance is another important characteristic. Both models are equipped with user-friendly access points for essential components, simplifying routine checks and servicing procedures. This results in less downtime and improved reliability across the operational lifespan of the compressors.

In conclusion, the Sterling 90-225 CFM and SDA 150-380 series compressors set a benchmark in the industry, offering a blend of performance, efficiency, and user-friendly features that cater to various industrial needs. Their robust construction, advanced technology, and focus on user comfort make them ideal choices for businesses seeking to enhance productivity and reduce operational costs.
Top Page Image Contents