AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 5)

Bulletin Number iv
Table of Contents
CHAPTER 1: SAFETY................................................................ 6
1-1 How to Use This Manual ............................................................................................. 6
Safety Symbols Used in this Manual.....................................................................6
1-2 Safety Tag Information ................................................................................................ 7
Dryer Safety Tags .................................................................................................7
1-3 Warnings and Precautions .......................................................................................... 8
1-4 Responsibility .............................................................................................................. 9
General Responsibility ..........................................................................................9
Operator Responsibility .........................................................................................9
Maintenance Responsibility.................................................................................10
Reporting a Safety Defect ...................................................................................11
1-5 Responsibility ............................................................................................................ 11
CHAPTER 2: FUNCTIONAL DESCRIPTION........................... 12
2-1 Models Covered in This Manual................................................................................ 12
2-2 General Description................................................................................................... 12
2-3 Typical Features and Components ........................................................................... 12
2-4 Optional Features...................................................................................................... 12
2-5 The Closed Loop Drying System............................................................................... 13
2-6 What is Desiccant?.................................................................................................... 13
2-7 The Process/Regeneration Cycle.............................................................................. 13
2-8 Specifying a Drying System ...................................................................................... 14
CHAPTER 3: INSTALLATION.................................................. 17
3-1 Work Rules................................................................................................................ 17
3-2 Electrical Connections............................................................................................... 17
3-3 Check For Proper Blower Rotation............................................................................ 17
3-4 Dryer/Drying Hopper Process Air Hose Connection ................................................. 17
3-5 Aftercooler Cooling Water Connection ...................................................................... 18
3-6 Drying Hopper Air Trap ............................................................................................. 18
CHAPTER 4: CONTROL PANEL ............................................. 20
4-1 Control Panel Indicator Lights ................................................................................... 20
4-2 Switches and Meters ................................................................................................. 22
4-3 PLC Control............................................................................................................... 23
4-4 Process Air Temperature Controller.......................................................................... 23
4-5 Temperature Controller LED Indicators..................................................................... 25
4-6 Temperature Controller Keys – (See Figure 5 in Section 3-6) .................................. 26
4-7 Optional Communications Protocols ......................................................................... 26
CHAPTER 5: STARTUP, SHUTDOWN & OPERATION.......... 27
5-1 Pre-Startup Checks ................................................................................................... 27
5-2 Startup....................................................................................................................... 27
5-3 Shutdown .................................................................................................................. 28
5-4 Setting the Process Air Temperature ........................................................................ 28