Series 2000 dryer control panel – Grain Systems PNEG-573 User Manual

Page 18

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SERIES 2000 DRYER CONTROL PANEL

This is used to adjust the LOW
speed of the metering roll

metering roll

metering roll when the

2 SPEED automatic MOISTURE
CONTROL is in use.

HIGH SPEED METERING

ROLL POTENTIOMETER(11)

LOW SPEED METERING

ROLL POTENTIOMETER(10)

Note: When this switch is set to
AUTO or MANUAL it also controls
the operation of any auxiliary load

auxiliary load

equipment

equipment being utilized, such as
an auxiliary auger or conveyor

auxiliary auger or conveyor

auxiliary auger or conveyor.

FAN SWITCH(7)

The fan

fan

fan is turned ON or OFF with this

switch. The ON position operates the
fan

fan

fan continuously during STAGED
BATCH and CONTINUOUS FLOW
modes. The AUTO position operates
the fan

fan

fan in STAGED BATCH during the

dry and cool cycle. The light comes
on only when air pressure is sensed.

HEATER SWITCH(8)

This switch is used to turn the burner

burner

ON or OFF. The AUTO position op-
erates the burner

burner

burner in STAGED BATCH

during the dry cycle. The ON posi-
tion will operate the burner

burner

burner only when

the fan

fan

fan is running. The burner light

comes on only when flame is detected.

UNLOAD SWITCH(9)

This switch stops all dryer functions.
If an automatic dryer shutdown oc-
curs, first determine and correct the
cause of the shutdown. Press the
DRYER POWER STOP button to re-
set the dryer before restarting.

This is used to:
• Set the HIGH speed of the metering

metering

roll

roll when the 2 SPEED automatic
MOISTURE CONTROL is utilized.

• Set the speed of the metering rolls

metering rolls

when the 1 SPEED automatic MOIS-
TURE CONTROL is utilized.

• Set the speed of the metering rolls

metering rolls

during CONTINUOUS FLOW
operation when the MOISTURE
CONTROL is not used.

• Set the rate of grain discharge from

the dryer during the unload cycle of
staged batch dryer operation.

The UNLOAD switch turns the me-

me-

tering rolls and discharge auger

tering rolls and discharge auger
ON or OFF, and selects the opera-
tion of the metering rolls

metering rolls

metering rolls.

• In the 2 SPEED position if the

MOISTURE CONTROL switch is
ON, and the DRYING MODE
switch is turned to CONTINUOUS
FLOW, the METERING ROLL
SPEED will alternate between the
HIGH speed metering roll potenti-
ometer setting and the LOW
speed metering roll potentiometer
setting depending on the control sig-
nal from the MOISTURE CONTROL
THERMOSTAT. The discharge au-

discharge au-

ger

ger will operate continuously.

• In the 1 SPEED position, if the

MOISTURE CONTROL switch is
ON, and the DRYING MODE
switch is turned to CONTINUOUS
FLOW, the METERING ROLL
SPEED will operate at the HIGH
speed metering roll potentiometer
setting or turn OFF depending on
the control signal from the MOIS-
TURE CONTROL THERMO-
STAT. The discharge auger

discharge auger

discharge auger will

operate whenever the metering

metering

rolls

rolls are operating.

• In both the 1 SPEED or the 2

SPEED position, if the MOIS-
TURE CONTROL THERMOSTAT
is OFF, and the DRYING MODE
switch is turned to CONTINUOUS
FLOW, the METERING ROLL
SPEED can be manually con-
trolled by adjusting the HIGH
speed metering roll potentiometer.
The discharge auger

discharge auger

discharge auger will operate

continuously.

• If the DRYING MODE switch is

turned to STAGED BATCH, the UN-
LOAD switch should be set to the 1
SPEED position. The discharge

discharge

auger and metering rolls

auger and metering rolls will only
operate during the unload cycle of
the staged batch operation, and the
speed of the metering rolls

metering rolls

metering rolls is ad-

justed using the HIGH speed me-
tering roll potentiometer.

Note: When this switch is set to
AUTO or MANUAL it also controls
the operation of any auxiliary load

auxiliary load

equipment

equipment being utilized, such as
an auxiliary auger or conveyor

auxiliary auger or conveyor

auxiliary auger or conveyor.

DRYER POWER

START SWITCH(12)

This switch starts and operates the
dryer based on switch settings. If
other switch settings are in the OFF
position, individual dryer compo-
nents can be operated by turning the
DRYING MODE switch to CON-
TINUOUS FLOW, pressing the
DRYER POWER START button and
turning ON the desired dryer com-
ponent.

DRYER POWER

STOP SWITCH(13)

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