Sterling SDAA 25-100 User Manual

Page of 60
Dehumidifying Dryers 
 
ii 
 
Table of Contents 
CHAPTER 1:
 
SAFETY................................................................V
 
1-1
 
How to Use This Manual ............................................................................................. v
 
Safety Symbols Used in this Manual..................................................................... v
 
1-2
 
Warnings and Precautions ......................................................................................... vi
 
1-3
 
Responsibility .............................................................................................................vii
 
General Responsibility......................................................................................... vii
 
Operator Responsibility .......................................................................................viii
 
Maintenance Responsibility.................................................................................. ix
 
Reporting a Safety Defect .................................................................................... ix
 
CHAPTER 2:
 
FUNCTIONAL DESCRIPTION........................... 11
 
2-1
 
Models Covered in This Manual................................................................................ 11
 
2-2
 
General Description................................................................................................... 11
 
What is desiccant? ..............................................................................................12
 
The Process/Regeneration Cycle........................................................................12
 
2-3
 
Standard Features..................................................................................................... 12
 
Mechanical Features ...........................................................................................12
 
Electrical Features...............................................................................................12
 
Controller Features..............................................................................................13
 
2-4
 
Options ...................................................................................................................... 13
 
2-5
 
Safety Devices and Interlocks ................................................................................... 13
 
CHAPTER 3:
 
INSTALLATION.................................................. 15
 
3-1
 
Uncrating the Equipment........................................................................................... 15
 
3-2
 
Rigging and Placing the Dryer................................................................................... 15
 
Recommended Dryer Lifting Hardware ...............................................................18
 
3-3
 
Electrical Connections............................................................................................... 19
 
3-4
 
Setup Procedures...................................................................................................... 20
 
Checking for Proper Blower Rotation ..................................................................20
 
Making Dryer/Drying Hopper Process Air Connections.......................................20
 
Drying Hopper Air Trap Considerations...............................................................21
 
Optional Aftercooler.............................................................................................21
 
3-5
 
Initial Start-up ............................................................................................................ 22
 
Pre-Startup Checks .............................................................................................22
 
Starting Up the Dryer...........................................................................................22
 
Auto-Tuning the Dryer .........................................................................................22
 
Shutting Down the Dryer .....................................................................................23
 
CHAPTER 4:
 
OPERATION....................................................... 24
 
4-1
 
Start-up...................................................................................................................... 24
 
4-2
 
Controller Description and Operation ........................................................................ 25
 
Identifying Control Panel Indicator Lights and Switches for the Standard 
Controller.............................................................................................................25
 
Process Air Temperature Controller ....................................................................26
 
Setting the Process Air Temperature ..................................................................27