Grain Systems PNEG-728 - Manual (Page 12)

Autoflow Operation
12
Heater Switch
This switch controls the operation of the
burner(s). The switch lights up when the burner is
on. When the burner is on, small lights above and
below the heater switch indicate if the burner(s)
are in high fire or low fire. In the Autoflow mode,
when placed in the “auto” position, the burner(s)
fire when grain reaches the drying chamber low
level rotary switch and do not stop until the dryer
shuts down or is stopped manually by pressing the
stop switch. In the Autobatch mode, the burner(s)
shut off automatically in the cool and dump cycle.
When placed in the “off” position, the burner(s)
will not fire. When placed in the “on” position,
the burner(s) fire anytime the main drying fan(s)
are running.
drying fan senses an increase in static pressure and
closes. In the Autoflow mode, when placed in the
“auto” position, the main drying fan(s) start when
grain reaches the drying chamber low level rotary
switch and do not stop until the dryer shuts down
or is stopped manually by pressing the stop switch.
In the Autobatch mode, the main drying fan(s)
shut off automatically in the dump cycle. When
placed in the “off’ position, the main drying fan(s)
will not run. When placed in the “on” position, the
main drying fan(s) come on and stay on when the
dryer is running.
Fan Switch
This switch controls the operation of the main
drying fan(s). The switch lights up when the
airswitch located in the sidewall next to the master
drying fan senses an increase in static pressure and
closes. In the Autoflow mode, when placed in the
“auto” position, the main drying fan(s) start when
grain reaches the drying chamber low level rotary
switch and do not stop until the dryer shuts down
or is stopped manually by pressing the stop switch.
In the Autobatch mode the drying fan(s) will not
run. When placed in the “on” position, the main
drying fan(s) come on and stay on when the dryer
is running.
Dryer Control Panel, continued
Dump Switch
This switch controls the operation of the linear
actuator housed in the actuator control box. The
switch lights up when the linear actuator is mov-
ing. When placed in the “manual close position”,
the linear actuator in the actuator control box
retracts, raising the dump chutes. When placed in
the “auto” position, the linear actuator extends at
the beginning of the dump cycle- lowering the
dump chutes, and retracts at the end of the dump
cycle, raising the dump chutes. When placed in
the “manual open” position, the linear actuator
extends, lowering the dump chutes. This switch is
disabled when the dryer is running. The dryer
must be stopped to manually dump.
Dry And Hold Switch
When placed in the “on” position, the grain in the
drying chamber will not be dumped into the
storage chamber at the end of the dry cycle, and
the dryer will stop. This switch can be used to
hold the last batch of grain in the drying chamber
and stop the dryer. When placed in the “off”
position, the dryer will operate normally. The
switch lights up when placed in the “on” position.
Dryer Power Start Switch
This switch starts and operates the dryer based on
switch settings. The switch lights up when the
dryer is running. The dump switch is disabled after
this switch has been pushed.
Dryer Power Stop Switch
This switch stops all dryer functions. If an auto-
matic dryer shutdown occurs, first determine and
correct the cause of the shutdown. Press the dryer
power stop switch to reset the dryer before starting.
CONTROL SYSTEM