Airstream PNEG-339 Control Power Switch, Outside Light, Drying Mode Switch, Load Auger Switch

DRYER CONTROL PANEL

CONTROL POWER

SWITCH (3)

The power to the Electronic Moni- toring Control System is turned ON or OFF with this switch.

OUTSIDE LIGHT (4)

The dryer service light is turned ON or OFF here. It also may be set on AUTO, which turns the light on while the dryer is running, and off if a shutdown occurs.

DRYING MODE SWITCH (5)

This is used to select STAGED BATCH or CONTINUOUS FLOW drying. The switch will light only af- ter the Electronic Monitoring Con- trol System has been turned ON, the safety circuit is okay and the RESET button has been pressed.

LOAD AUGER SWITCH (6)

This is used to select the opera- tion of the load auger. In both the AUTO and MANUAL position the load auger will operate if the dryer is low on grain, and will automati- cally shut off when the dryer is full. In the AUTO position only, the dryer will shut down after a prede- termined period of time set on the OUT OF GRAIN TIMER, or if grain flow is interrupted to the dryer. The switch will light whenever the load auger is operating.

Note: When this switch is set to AUTO or MANUAL it also con- trols the operation of any auxiliary load equipment being utilized, such as an auxiliary auger or con- veyor.

FAN SWITCH (7)

The fan is turned ON or OFF with this switch. The ON position oper- ates the fan continuously during STAGED BATCH and CONTINU- OUS FLOW modes. The AUTO po- sition operates the fan in STAGED BATCH during the dry and cool cycle. The switch will light up when- ever the airflow switch is sensing airflow and the dryer is full of grain.

HEATER SWITCH (8)

This switch is used to turn the burner ON or OFF. The AUTO po- sition operates the burner in STAGED BATCH during the dry cycle. The ON position will operate the burner only when the fan is run- ning. The switch will light up when the flame sensor detects the flame.

UNLOAD SWITCH (9)

The UNLOAD switch turns the me- tering rolls and discharge auger ON or OFF, and selects the opera- tion of the 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 signal from the MOISTURE CON- TROL THERMOSTAT. The dis- charge auger will operate con- tinuously.

•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 will operate whenever the metering 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 will operate continuously.

•If the DRYING MODE switch is turned to STAGED BATCH, the UNLOAD switch should be set to the 1 SPEED position. The dis- charge auger and metering rolls will only operate during the unload cycle of the staged batch opera- tion, and the METERING ROLL SPEED is adjusted using the HIGH speed metering roll potenti- ometer.

Note: When this switch is set to AUTO or MANUAL it also controls the operation of any auxiliary load equipment being utilized, such as an auxiliary auger or conveyor.

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