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trapped air from the system. Make sure the aftercooler has the proper supply water
temperature.
6. Set the process set point on the temperature controller.
7. After the proper pre-drying time for the initial hopper fill has elapsed, fully open the
drying hopper slide gate.
Note: To allow proper residence time during continuous processing,
maintain the material level in the hopper at the midpoint of the air trap
assembly.
Auto-Tuning the Dryer
1. For Auto-tuning, press the Level Key once. The
AT screen will show
with the setting
OFF.
2. Press UP arrow to change the setting to
ON.
3. Press the Level Key again to the Temperature Screen. Your actual
temperature will start to flash for about 10-20 minutes with the
temperature fluctuating up and down during that period. After the
flashing stops, it means auto-tuning has finished.
Shutting Down the Dryer
1. Turn off the conveying system supplying the drying hopper.
2. When processing is complete, close the hopper slide gate and shut down any in-line
companion equipment, such as the aftercooler.
3. Turn the Dryer ON/OFF selector switch to OFF.
4. Turn the system ON/OFF switch to OFF.
5. If needed, empty the drying hopper.
6. For maintenance or a long term shutdown, open (de-energize) the electrical
disconnects at the dryer and at the power drop.
15, 30, & 60 cfm Compact Dryers 19