AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 6)

Table of Contents
5
Additional Level 2 Controller Features................. 33
5-1 Level 2 Control Panel
5-2 Level 2 Control Panel Indicator Lights
5-3 Level 2 Switches and Meters
5-4 Level 2 PLC Controller
5-5 Level 2 Process Air Temperature Controller
5-6 Level 2 Temperature Controller LED Indicators
5-7 Level 2 PLC LED Indicators
5-8 Level 2 Temperature Controller Keys
5-9 Level 2 Optional Communications Protocols
6
Startup, Shutdown, and Operation ....................... 41
6-1 Pre-Startup Checks
6-2 Startup
6-3 Shutdown
6-4
Setting the Process Air Temperature
6-5 Setting the High Temperature Alarm
6-6 Temperature Controller Internal Switches
6-7 Enabling the Temperature Controller Anti-Tamper Lockout Switch
6-8 Changing the Display from Fahrenheit to Celsius
7
Maintenance ............................................................ 47
7-1 Work Rules
7-2 Servicing Process Air Filters
7-3 Servicing the Dew Point Monitor
7-4 Symptoms of Worn Desiccant
7-5 Replacing Worn Desiccant
7-6 Replacing the Process Heater
7-7 Replacing the Regeneration Heater
7-8 Restoring the Temperature Controller to Factory Setup
7-9 Error Display and Output
7-10 Maintaining the Aftercooler
7-11 Entering Level 2 Controller Parameters/Advanced Topics
8
Troubleshooting ..................................................... 71
WDMR and WDFR Series Dehumidifying Dryers Page 5