Sterling Plumbing 225, 90, 150, 100, Cabinet Series Dehumidifying Dryer 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

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Page 49 Page 51
Contents 90,100, 150, 225 CFM Cabinet Series Dehumidifying Dryers Bulletin No. DH1-630.1 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 Contact Information Technical SpecificationsService Department Parts Department

100, 150, 90, Cabinet Series Dehumidifying Dryer, 225 specifications

The Sterling Plumbing 150, 225, 90 Cabinet Series Dehumidifying Dryer is a state-of-the-art appliance designed to effectively eliminate excess moisture in various environments. This versatile dryer is ideal for residential, commercial, and industrial applications, providing reliable moisture control to enhance air quality and prevent damage due to humidity.

One of the main features of the Sterling Plumbing Dehumidifying Dryer is its impressive moisture removal capacity. With options available for 150, 225, and 90 pint per day configurations, this unit can cater to different sizes and types of spaces, making it a suitable choice for everything from small basements to large warehouses. Its cabinet design allows for efficient air circulation, maximizing its dehumidification capabilities while remaining compact and easy to install.

The technology integrated within the Sterling Plumbing Dehumidifying Dryer is advanced, incorporating a high-efficiency compressor and a durable, corrosion-resistant housing. This ensures that the unit operates quietly and efficiently, providing a long service life with minimal maintenance required. The dryer features an automatic humidistat that monitors the humidity levels in the environment, adjusting its operation to maintain desired settings without manual intervention. This smart technology not only conserves energy but also ensures optimal performance.

In addition to its dehumidification function, the Sterling dryer is equipped with a built-in air filtration system that captures dust and allergens, contributing to overall indoor air quality. The easy-to-clean filters are designed for durability, ensuring that the unit remains functional and effective over time.

Another notable characteristic of the Sterling Plumbing Dehumidifying Dryer is its user-friendly interface. The control panel is designed to be intuitive, allowing users to easily set their preferred humidity levels and adjust operation modes. With options for continuous drainage, users can also opt to run the unit without worrying about emptying the water tank frequently.

Overall, the Sterling Plumbing 150, 225, 90 Cabinet Series Dehumidifying Dryer is a powerful, efficient, and reliable moisture management solution. With its blend of advanced technology, user-friendly features, and robust design, it is an essential appliance for anyone looking to improve indoor air quality and protect their space from the damaging effects of excess moisture.
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