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

Page 34

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13. To shut the dryer down, CLOSE

the FUEL SUPPLY VALVE at
the fuel tank or fuel source. Let
the dryer run until the fuel sup-
ply lines drain, and the dryer
automatically shuts down due to
loss of flame. CLOSE the FUEL
VALVE at the dryer. Press the
dryer POWER STOP button.
Turn OFF the dryer's SAFETY
DISCONNECT HANDLE. Turn
OFF the main POWER supply

14. In case of emergency push the

dryer STOP button. The fans,

fans,

burners

burners and all augers

all augers

all augers will stop

immediately.

Note: The Electronic Monitoring

Electronic Monitoring

Control System

Control System can be used to au-
tomatically start the dryer. Place all
the control panel SELECTOR
switches in the proper position.
OPEN the electric FUEL SHUTOFF
VALVE before pressing the dryer
POWER START button. The con-
troller will start all dryer components
in their proper order.

STARTUP & OPERATION FOR ALL PORTABLE DRYERS

1. Turn the CONTROL POWER

switch to ON.

2. Make sure the DRYING MODE

switch is turned to STAGED
BATCH.

3. After the date and time appear,

press the RESET button.

4. OPEN the main FUEL SUPPLY

VALVE on the tank if using LP

180

F. Example: Shelled corn

starts with 25% moisture and
the final moisture content is to
be 15% (10% removal). Using
the all heat dryeration process,
the estimated drying time is 60
minutes (10 x 6).

10. While operating the dryer adjust

the METERING ROLL dials to the
recommended settings. See the
charts on pages 30 through 33.

11. To move grain through the dryer

turn the MOISTURE CONTROL
switch to ON. The switch will
light up.

Note: When the UNLOAD switch is
in the 2 SPEED position, and the
MOISTURE CONTROL THERMO-
STAT switch is OFF, the speed of
the metering rolls

metering rolls

metering rolls can be manually

adjusted by turning the HIGH speed
metering roll dial. Turning the dial
clockwise will INCREASE the grain
discharge rate, counterclockwise
will DECREASE the discharge
rate. (The numbers on the speed
dials indicate the percentage of full
speed.)

12. At the end of the startup period,

start the flow of grain out of the
dryer. Turn the UNLOAD switch
to the 2 SPEED position. The
bottom auger

bottom auger

bottom auger and metering roll

metering roll

will immediately start, and the
UNLOAD switch will light. If ad
ditional unloading equipment is
utilizing the unload auxiliary
overload supplied with the
dryer, this equipment will also
immediately start.

gas or the valve in the FUEL
SUPPLY LINE if using natural
gas. Turn ON the Maxon ELEC-
TRIC SHUTOFF valve, if so
equipped, or open the manual
SHUTOFF VALVE to allow
fuel flow to the dryer.

5. The dryer should already be

filled with grain. Turn the LOAD
AUGER switch to AUTO. In both
the AUTO and MANUAL posi-
tion, the grain level switch will
automatically keep the dryer full
of grain. In the AUTO position
the dryer will shutdown after the
preset time period on the OUT
OF GRAIN timer, or if the grain
flow to the dryer is interrupted.

6. To set the correct DRY, COOL

and UNLOAD time for various
moisture content grains. See the
charts on pages 36 through 39.

7. If the dryer is being operated in

the ALL HEAT mode, turn the
FANS switch to the ON position.
In this position the fan

fan

fan will run

continuously during both the dry
and unload stages of the
STAGED BATCH operation. If
the dryer is being operated in
the DRY AND COOL mode, the
preferred position for the FANS
switch is the ON position so that
the fan

fan

fan will run continuously.

When the fans

fans

fans start the switch

will light up. If desired, the fan

fan

can be turned OFF during the
UNLOAD cycle of the DRY-
COOL-UNLOAD sequence by
turning the FANS switch to the

CONTINUOUS BATCH

(STAGED BATCH )

OPERATION

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