Grain Systems PNEG-526 - Manual (Page 21)

15
Tower Dryer Operations & Service
III. Operation Procedure
1. Start the dryer; set the dryer unload at a
desired speed from the dryer control panel.
2. Let the dryer run under manual mode
for warming up until the column grain
temperature has stabilized and the moisture
coming out of the dryer is within
± 2% of
the target moisture.
3. During the start-up period, calibrate
both the wet and dry sensors against a
bench meter as follows:
a) Press “SENSOR CALIBRATION”
button from the moisture control set-up
screen to open the sensor calibration
screen.
b) Take grain samples from the dryer,
measure the moisture with a bench meter
and then compare to the sensor reading
during the sampling period.
Change the sensor offset if the sensor
reading does not match the bench measure-
ment. For example, if the offset was 1.0%,
and the sensor reading is 0.5% lower than
the bench meter, then change the offset to
1.5% to match the sensor to the bench
meter. Likewise, if the sensor reading is
higher than the bench meter, the offset
should be decreased accordingly.
TRI-POINT MOISTURE CONTROLLER
21