Sterling 350-2100 CFM installation manual Process Temperature Control Error Messages

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Figure 8: Process Temperature Control Error Messages

Message

Cause

Control Output

Alarm Output

 

 

With output unit

With current output unit

 

 

 

other than current

 

 

 

 

output unit

 

 

 

Input temperature

OFF during

4 mA during reverse

 

 

has risen beyond the

reverse (heating)

(heating) action, 20 mA

Issues alarm

 

upper limit of the

action, ON during

during normal (cooling)

outputs in

 

temperature range

normal cooling

action.

accordance with the

 

by more than 20°C

action.

 

set alarm mode.

 

[68°F] c

 

 

 

 

Input temperature

ON during reverse

20 mA during reverse

 

 

has fallen below the

(heating) action,

(heating) action, 4 mA

Issues alarm

 

lower limit of the

OFF during

during normal (cooling)

outputs in

 

temperature range

normal (cooling)

action.

accordance with the

 

by more than 20°C

action.

 

set alarm mode.

 

[68°F] d

 

 

 

 

The thermocouple

 

 

 

 

has burned out or

 

 

Issues alarm

 

the short circuit bar

 

 

outputs in

 

has been removed.

OFF

Approximately 1 mA

accordance with the

 

The platinum RTD

 

 

set alarm mode.

 

has burned out or A

 

 

Proportional alarm

 

and B have been

 

 

output is OFF

 

short circuited.

 

 

 

 

Memory failure

 

 

 

 

(E111) or analog to

 

 

 

 

digital converter

 

 

 

 

failure (E333) has

 

 

 

 

occurred.

 

 

 

 

Temperature

OFF

Approximately 1 mA

OFF

 

controller must be

 

 

 

 

repaired if recovery

 

 

 

 

is not made by

 

 

 

[FLASHES]

turning power off

 

 

 

once and on again.

 

 

 

cWhen a type J thermocouple is used, this error message is not displayed until the temperature has risen above the normal operating temperature operating range by more than 70°C [158°F].

dWhen a platinum RTD sensor is used, this message is displayed when the temperature has fallen to -99.9°C [-147.82°F].

350-2100 cfm Dryers

Chapter 6: Maintenance

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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 Functional Description Typical Features and ComponentsOptional Features Models Covered in This ManualClosed Loop Drying System What is Desiccant?Process/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 ProtocolsPre-Startup Checks Startup, Shutdown & OperationStartup 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 FeatureChanging the Display from Fahrenheit to Centigrade Setting the Dewpoint Extend Shift PointTo 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 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 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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