Grain Systems PNEG-526 - Manual (Page 13)

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Tower Dryer Operations & Service DRYER START UP
1. Prepare dryer for start up
Perform preseason inspection and service as
outlined in the Maintenance Section before
attempting to operate the dryer.
dryer. (ie. wet legs, conveyors, etc.)
8. Fill the dryer by turning the LOAD selector
switch to the "ON" position. On a demand fill
dryer, the wet conveyor will turn on / slide gate
will open and the dryer will start filling with grain.
Once the dryer is full, a horn will sound and the
wet conveyor will stop / slide gate will shut. Turn
the LOAD selector switch to the "AUTO"
position to silence the alarm and begin normal
dryer operation. In the "AUTO" position, the
dryer automatically controls the conveyor / slide
gate and the OUT OF GRAIN TIMER is en-
abled, allowing automatic shutdown if the dryer
remains low on grain after a preset period of time.
9. Set drying / plenum temperature by touching
the P.L. Temp box on the LCD display. On the
pop-up keypad that is displayed, enter the new
drying temperature.
Recommended Drying Temperatures
Corn..............................180 o to 210 o F
Soybeans......................140 o to 160 o F
Wheat...........................140 o to 160 o F
Milo..............................160 o to 180 o F
Barley...........................140 o to 160 o F
Oats..............................140 o to 160 o F
10. Start the blower(s) by turning the BLOWERS
selector switch to the "ON" position. The
blower(s) will automatically start. On multiblower
units the PLC will automatically, start the blowers
sequentially. Once the blower(s) are up to speed
the airswitches will close and the blower switch
light will illuminate.
5.2 Press the on-screen Start button to enter the
dryer status screen.
6. Press the DRYER POWER "START" button
to activate the LOAD, BLOWERS, BURNER,
UNLOAD and METERING DEVICE selector
switches on the control panel.
7. Start auxiliary equipment needed for filling
Make sure all discharge doors, grain exchanger
cleanout doors, heat section door, louvered
cooling section doors, etc. are closed. Make sure
that all personnel are clear of the dryer and any
grain handling machinery.
2. Open main gas valve to dryer.
3. Switch on main breaker to provide electrical
power to the dryer by placing the main circuit
breaker handle located on the dryer power panel
to the "ON" position.
4. Pull out both Emergency Stop Buttons located
on the side of the control and power box to
enable the main PLC circuit.
5.1 Switch on the control panel by turning the
CONTROL POWER selector switch to the
"ON" position. The switch will illuminate indicat-
ing that the control panel has power and is
operating correctly. After a short series of self-
diagnostic tests, the LCD display screen will
display a copyright message and a start button.
The burner should be covered before filling
the dryer to prevent accumulation of foreign
material on the Ignitor, Flame Sensor, and Burner
Ports. Foreign material may interfere with burner
operation.
The dryer must have all Pre-Season and
Post-Season maintenance to ensure reliable
operation
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