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Dehumidifier
Sterling
SDAA 25-100
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Models:
SDAA 25-100
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5
60
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Troubleshooting
Specifications
Install
Error messages
Alarm Display Messages
Indicator Name Description
Warranty
Dimension
Maintenance
Symptoms of Worn Desiccant
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Service Department
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Sales Department
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Contract Department
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Dehumidifying Dryers
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Contents
Sdaa 25-100 15-60 cfm Dehumidifying Dryers
Shipping Information
Table of Contents
Maintenance
Service Department Sales Department Contract Department
Safety Symbols Used in this Manual
Safety
How to Use This Manual
Wear Safety Glasses and Work Gloves
General Responsibility
Responsibility
Remember
Operator Responsibility
Reporting a Safety Defect
Maintenance Responsibility
Dehumidifying Dryers Safety
General Description
Functional Description
Models Covered in This Manual
What is desiccant?
Standard Features
Mechanical Features
Electrical Features
Options
Safety Devices and Interlocks
Controller Features
Fail Safe Operation
Safety Circuit Standards
Safety Device Lock-Outs
Rigging and Placing the Dryer
Installation
Uncrating the Equipment
Machine-Mount Dryer Dimensions
Floor-Mount Dryer Dimensions
Recommended Dryer Lifting Hardware
Suggested Lift Rigging for Cart Mounted Dryers
Suggested Lift Rigging for Machine Mounted Dryers
Electrical Connections
Three-Phase Models
Setup Procedures
Checking for Proper Blower Rotation
Making Dryer/Drying Hopper Process Air Connections
Optional Aftercooler
Installing Water Lines Hose and Hose Clamp
Drying Hopper Air Trap Considerations
Initial Start-up
Auto-Tuning the Dryer
Pre-Startup Checks
Starting Up the Dryer
Shutting Down the Dryer
Start-up
Operation
Controller Description and Operation
Switches
Indicator Lights
Lit when Control Output 2 is on. Not used
Process Air Temperature Controller
Lit when Control Output 1 is on. The Out1
Lights in the Operation Indicator Section when
Indicator Name Description
Identifying Temperature Controller Keys
Setting the Process Air Temperature
E5CN Operating Parameters
Tuned prior to dryer startup
Adjustment Level Indicator Name Description
ON, OFF
Entering Operating Parameters to Select Modes
Optional
Setting the High Dew Point Alarm
Process Air Dew Point Display
Watlow Operating Parameters
Redundant Safety Controller Display
Setting the Redundant Safety Controller
Mode Parameter Setting range Default Manf. setting
Dryer Operation Procedures
Model Heating Cooling 15 cfm 30 cfm 60 cfm
Page
Controller Operation With Optional Alarm Horn & Reset Button
Page
Alarm Display Messages
Shutting Down the Dryer
Auto-Tuning the Dryer
Photocopy this page for your maintenance records
Maintenance
Preventative Maintenance Schedule
Recommendations for Cleaning and Replacing Filters
Preventative Maintenance
Servicing Process Air Filters
Vacuuming
Servicing the Dew Point Monitor
Cleaning with Compressed Air
Symptoms of Worn Desiccant
Corrective Maintenance
Replacing Worn Desiccant
First AID
Consult local disposal regulations for more information
Replacing the Process Heater
Procedures
Introduction
Troubleshooting
Problem Possible cause Corrective action
Problem Possible cause Corrective action
Check resin manufacturer’s data
Using a Platinum Resistance Thermometer
Determining Temperature Controller Errors or Sensor Errors
Using a Thermocouple
Warranty Specifications
Warranty
Warranty Restrictions
Appendix
Customer Responsibilities
Warranty Liabilities
Optional Components
Annex B Information
Technical Specifications
Aftercooler Design Specifications
Drawings and Diagrams Spare Parts List
Level 2 & 3 Spare Parts List Electrical & Mechanical
Warranty Returns
Safety Tag Information
Dryer Safety Tags
Returned Material Policy
Located on back of Dryer
Dryer Identification Serial Number Tag
Technical Assistance
Service Department
Parts Department
Sales Department