Startup & operation for all portable dryers – Grain Systems PNEG-573 User Manual

Page 29

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STARTUP & OPERATION FOR ALL PORTABLE DRYERS

At the beginning of each harvest and
before filling the dryer with grain
make sure to inspect the dryer for
rodent damage, proper belt and
chain tension and missing or dam-
aged safety shields. Test operate
the dryer using the pre start check
procedures located on pages 23-27.

1. Before attempting to operate the

dryer make sure that all safety

safety

shields

shields are in place, all plenum

plenum

bottom closure panel doors

bottom closure panel doors are
closed, all rear access doors

rear access doors

are closed and all personnel
are clear of the grain dryer and
grain handling machinery.

2. Turn all SELECTOR switches

on the control panel

control panel

control panel to the OFF

position.

3. Turn ON the electrical POWER

supply to the dryer, and move
the SAFETY DISCONNECT
handle mounted on the dryer's
upper

upper

upper power box

power box

power box to ON.

4. Turn the CONTROL POWER

switch to ON. The switch will
light up. A copyright message,
model number, total running
time in hours and minutes, cur-
rent date and time will appear.
At this point the controller will
lock out all other dryer functions.

5. Once the date and time appear,

press RESET, and the dryer will
perform its safety circuit checks.
If a fault is found the cause will

be displayed on the LCD. If all
safeties do not detect a problem,
the controller will energize the
electronic FUEL SHUTOFF
VALVE, if so equipped, and
the DRYING MODE switch will
light up,indicating that the dryer
is ready to be started.

6. Move the LOAD AUGER switch

to MANUAL, and push the dryer
POWER START switch. The
top auger

top auger

top auger will immediately start,
and the LOAD AUGER switch
will light up. If additional loading
equipment is wired to the dryer it
will also start immediately.

7. When the dryer is full of grain

the top auger

top auger

top auger will stop automati-

cally, and any auxiliary loading
equipment wired to the dryer will
also stop.

SHUTOFF valve, if so equipped,
or OPEN the manual SHUTOFF
VALVE to allow fuel flow to the
dryer.

5. Turn the DRYING MODE switch

to CONTINUOUS FLOW.

6. The dryer should already be

filled with grain. Turn the LOAD
AUGER switch to the AUTO po-
sition. In both the AUTO and
MANUAL positions, the dryer
grain level switch will automati-
cally keep the dryer full of grain.
In the AUTO position the dryer
will shutdown after a preset time
period set on the OUT OF
GRAIN timer if grain flow is in-
terrupted to the dryer.

7. Turn each FAN switch to ON.

The fan

fan

fan will start, and the switch

will light up when airflow is de-
tected.

8. Start each burner

burner

burner by turning the

HEATER switch to ON. After
purging for approximately 10
seconds the burner

burner

burner will fire, and

the HEATER switch will light up.
This indicates that the flame
sensing circuit is sensing burner
flame. For information concern
ing burner

burner

burner adjustment see the

pre start section of this manual.

9. Operate the heaters

heaters

heaters to dry grain

for 6-7 minutes per point of
moisture to be removed with the
plenum temperature set at

CONTINUOUS FLOW AND CONTINUOUS BATCH STARTUP PROCEDURE

1. Turn the CONTROL POWER

switch to ON.

2. After the date and time appear

on screen, press the RESET
button.

3. Push the dryer POWER START

switch.

4. OPEN the main FUEL SUPPLY

VALVE on the tank if using LP
gas, or OPEN the FUEL SUPPLY
LINE if using natural gas. Turn
ON the Maxon ELECTRIC

CONTINUOUS FLOW

OPERATION

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