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ACS ACD Manual
Also see for SCD: Operation and instruction manual
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Contents
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Compressed Air Dryer Chapter 4: Operation 21 of 314-3 Start-upUse the following procedure to start the dryer:1. Turn on the disconnect switch in the power drop, close the slide gate at the bottom ofthe drying hopper.2. Close the slide gate at the bottom of the drying hopper.3. Fill the drying hopper with material.4. Turn the ON/OFF switch to “ON” to energize the display panel and turn on thesolenoid and the heater.5. Use the Up Arrow and Down Arrow buttons to set the process set point on thetemperature controller.Note: Consult the resin manufacturer for the recommended drying temperature.6. Press the Mode button one time to make sure the controller’s Run/Stop parameter isset to “RUN.”7. Use the Up Arrow or Down Arrow button to change the value to “RUN.”8. Press the Mode button to begin operation.9. After the proper pre-drying time for the initial hopper fill has elapsed, fully open thedrying hopper slide gate.Note: To allow proper residence time during continuous processing, maintain thematerial level in the hopper at the midpoint of the air trap assembly.4-4 Shut-downUse the following procedure to shut down the dryer:1. When processing is complete, close the hopper slide gate and shut down any in-linecompanion equipment.2. Lower the process temperature controller set point to a value of 100º Fahrenheit.3. Allow at least one minute of run time so that the compressed air continues to flowthrough the unit and cool down the heating components.4. Turn the On/Off switch to “Off.”5. If needed, empty the drying hopper.6. For maintenance or a long-term shutdown, open the electrical disconnects at the dryerand at the power drop. |
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