3-7 Connecting Aftercooler/Precooler Cooling Water (Optional)

32

3-8 Using the Drying Hopper Air Trap

33

CHAPTER 4: CONTROLS

34

4-1

Controller Description

34

4-2

Identifying Control Panel Components for the AP-1 Optional Controller

35

 

 

Disconnect Switch

35

 

 

Control Power Switch

35

 

 

Touch Screen

35

 

 

Alarm Horn & Light

35

4-3 Process Air Temperature and Conveying Process Controller

35

 

 

 

 

 

...................................................................

35

4-4

Identifying Controller Screens

36

Main Menu Screen

36

Typical Dryer Screens

36

 

 

System Screens

43

 

 

Alarm Screens

48

 

 

Alarm Screen Example

49

See Section 7-4: Alarms on p. 57 for alarm descriptions

49

4-5 Redundant Safety Controller Display

49

4-6 Setting the Redundant Safety Controller

50

CHAPTER 5: OPERATION

52

5-1

Start-up

52

5-2 Using the Dryer Status Screen

53

5-3

Alarms

54

 

 

 

 

................................................................................

54

5-4

Alarm Descriptions

54

5-5

Shutdown

55

CHAPTER 6: MAINTENANCE

56

6-1

Maintenance Schedule

56

6-2

Preventative Maintenance

57

 

 

Cleaning or Replacing the Process Air Filters

57

 

 

Cleaning or Replacing the Regeneration Filter

58

 

 

Calibrating the Dirty Filter Alarm

58

 

 

Checking the Dewpoint Control System

59

6-3

Corrective Maintenance

60

 

 

Symptoms of Worn Out Desiccant

60

 

 

Replacing the Desiccant

60

 

 

Replacing the Process Heater (Electric Dryers)

61

Large Dehumidifying Dryers

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Image 5
Sterling SDA AP-1 specifications Operation