Sterling 350-2100 CFM installation manual Table of Contents

Page 4

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
DH1-655.1		iv

Image 4

Contents SDA Series 350 2100 CFM Large Dehumidifying DryersWrite Down Your Serial Numbers Here For Future Reference Shipping Info Table of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Safety Tag Information Dryer Safety TagsWear Safety Glasses and Work Gloves General Responsibility ResponsibilityOperator Responsibility Maintenance Responsibility RememberReporting a Safety Defect Typical Features and Components Optional FeaturesFunctional Description Models Covered in This ManualClosed Loop Drying System What is Desiccant?Process/Regeneration Cycle Cfm Dryers Functional Description TOP View Left Side View Installation Work RulesElectrical Connections Check For Proper Blower RotationAftercooler Cooling Water Connection Drying Hopper Air TrapTypical Control Panel Control Panel Indicator Lights Control PanelProcess Blower Failure Alarm Switches and Meters Valve Position ErrorProcess Air Temperature Controller PLC ControlProcess Air Temperature Controller Temperature Controller LED Indicators Process Value Numeric LEDTemperature Controller Keys See in Section Optional Communications ProtocolsPre-Startup Checks Startup, Shutdown & OperationStartup Setting the Process Air Temperature Setting the High and Low Temperature AlarmsTo Change the Process Air High Temperature Alarm Setting ShutdownTemperature Controller Autotune Procedure Temperature Controller Internal SwitchesTemperature Controller Anti-Tamper Lockout Switch Enabling the Lockout FeatureChanging the Display from Fahrenheit to Centigrade Setting the Dewpoint Extend Shift PointTo Change the Dewpoint Shift Point Regeneration Monitoring System Signal Processor LL Setpoint Low Regeneration Alarm Setpoint 130FSetpoint Regeneration Blower Shutdown Temp 160F HH Setpoint Heater Cut Off Temp 300FAuxiliary Process Safety System Optional Seven Day Timer OptionalSetting the Current Day of the Week, Hour and Minute Setting the start up timePut the timer into Run mode Setting the stop timeSet the days of the week for automatic operation Filter Cleaning/Replacement MaintenanceServicing the Process Air Filters Models Filter Cleaning/Replacement Servicing the Process Air Filters Models 850 throughTo Clean the Regeneration Filter Dirty Filter Alarm CalibrationServicing the Regeneration Filter Symptoms of Worn Out Desiccant Dewpoint Control System ServiceTo check the dewpoint sensor and dewpoint control board Desiccant Replacement Procedure First AIDProcess Heater Replacement Procedure Desiccant Amounts RequiredRegeneration Heater Replacement Procedure Spots and lead to premature heater failureRestoring a Temperature Controller to the Factory Setup Switch To select a setting 10F Process Temperature Control Error Messages Regeneration Monitor Signal Processor Error Messages Regeneration Monitor Advanced Programming Moving Between LevelsHysteresis SetpointsInput Shift Security Protection Scale Indication Sensor Input TypeDisplay Refresh Cycle Troubleshooting Problem Possible Cause Corrective ActionProblem Possible Cause Corrective Action Problem Possible Cause Corrective Action Warranty Returns AppendixReturned Material Policy Credit ReturnsCfm Dryers Appendix Preventive Maintenance Checklist Dehumidifying Dryers Service Department Technical AssistanceParts Department Sales Department