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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

1 2 3 4 5 6 7 8 9 10 ... 58 59

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