Sterling SDA Series 25-100 15 cfm Options, Safety Devices and Interlocks, Controller Features

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•Mercury process heater contactor

•Process high temperature alarm light

•Process/regeneration heater box

•High temperature safety system (Process/Regeneration)

Controller Features

•Mitsubishi programmable relay controller

•Display of process temperature set point and actual settings

2-4 Options

Options marked with “*” indicate options that can be factory installed or retrofitted in the field.

•* Process temperature up to 400ºF (204º C) or below 180ºF (82ºC), including aftercooler with dryer and silicone insulated delivery hose.

Note:	For below 180°F (82ºC), cooler needs to cool the
	residual heat coming out of the desiccant tank prior to
	entering the process heater box.

•* If the dryer is a central dry air generator, it will not have a process heater box.

•* Plasticizer trap (with cooling coil) in lieu of standard aftercooler (mounts outside on back of dryer)

•* Drawer magnet, stainless steel construction.

•* Casters, two (2) fixed and two (2) swivels.

•* Machine mount adapter to accommodate a dryer and corresponding hopper.

•* Low temperature operation below 180ºF (82ºC), includes an internal cooler.

•* Redundant high temperature safety circuit.

•* Cart with caster with hopper mounting place.

•* Insulated air hose for air delivery.

•* Audible alarm.

•* Dew Point monitor with digital read-out.

2-5 Safety Devices and Interlocks

This section includes information on safety devices and procedures that are inherent to the Dryer. This manual is not intended to supersede or alter safety standards established by the user of this equipment. Instead, the material contained in this section is recommended to supplement these procedures in order to provide a safer working environment.

At the completion of this section, the operator and maintenance personnel will be able to do the following:

•Identify and locate specific safety devices.

•Understand the proper use of the safety devices provided.

•Describe the function of the safety device.

15, 30, & 60 cfm Compact Dryers

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Contents SDA Series 15, 30, & 60 cfm Compact Dehumidifying Dryers Shipping Information Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CompleteTable of Contents Maintenance Safety How to Use This ManualSafety Symbols Used in this Manual Safety Tag Information Wear Safety Glasses and Work GlovesResponsibility General ResponsibilityOperator Responsibility Remember Maintenance Responsibility Reporting a Safety DefectFunctional Description Models Covered in This ManualGeneral Description Standard Features Mechanical FeaturesElectrical Features Safety Devices and Interlocks Controller FeaturesOptions Safety Circuit Standards Safety Device Lock-OutsFail Safe Operation Installation Uncrating the EquipmentRigging and Placing the Dryer Suggested Lift Rigging for Cart Mount Dryers Electrical Connections Suggested Lift Rigging for Machine Mounted DryersSetup Procedures Checking for Proper Blower Rotation Three-Phase ModelsInstalling Water Lines Initial Start-upDrying Hopper Air Trap Considerations Optional AftercoolerAuto-Tuning the Dryer Shutting Down the DryerSwitches Indicator LightsOperation Controller Description and OperationProcess Air Temperature Controller Lit when Control Output 1 is on. The Out1 Lit when Control Output 2 is on. Not usedIndicator Name Description Lights in the Operation Indicator Section whenSetting the Process Air Temperature Adjustment Level Indicator Name DescriptionE5CN Operating Parameters Entering Operating Parameters to Select Modes Setting the High Dew Point Alarm Process Air Dew Point DisplayOptional Dryer Operation Procedures Controller OperationAlarm Display Messages High Temp Valve MTR Maintenance Preventative Maintenance SchedulePreventative Maintenance Recommendations for Cleaning and Replacing FiltersServicing Process Air Filters VacuumingCorrective Maintenance Cleaning with Compressed AirSymptoms of Worn Desiccant Servicing the Dew Point Monitor+ First AID + Replacing Worn DesiccantDesiccant Bed Location and Disassembly Procedures Replacing the Process/Regeneration HeaterReplacing/Cleaning the Cooling Coil Replacement ProceduresPage Troubleshooting IntroductionProc Blwr Determining Temperature Controller Errors or Sensor Errors Using a ThermocoupleTechnical Specifications AppendixDrawings and Diagrams Aftercooler Design SpecificationsHigh Heat Model 180F to 400F Air Flow Schematic Spare Parts List Level 1 Spare Parts List Electrical & MechanicalHI-CORE Desiccant Dryer 15/30/60 CFM Units 30 CFM 60 CFM 120V Control Common Parts 220V Control Common Parts Returned Material Policy Dryer Identification Serial Number TagService Department Technical AssistanceParts Department Sales Department