Chapter 5: Getting Started
Testing the Air Switch
Airflow must be detected by the air switch before the heaters will begin to operate.
Before You Begin
• Make sure you have completed the pre-season inspections.
• E-Stops are pulled out.
• Power has been supplied to the system.
• Turn all switches on the TopDry Terminal to OFF.
• Turn the Control Power switch to ON.
• Push the Dryer Power Start button.
To test the airflow switch:
1. Turn the Fan switch to ON.
Single Fan Unit: The fan switch light will blink until the fan has started and the airflow switch is
closed.
Two Fan Unit: In a two fan unit, the fan switch light will blink until both fans have started and the air-
flow switch is closed.
2. Turn the Aeration Fan switch to ON.
3. Turn the Fan switch to OFF.
To adjust the airflow switch:
4. Locate the airflow switch in the fan electrical box.
5. Turn the aiflow switch clockwise to decrease sensitivity and counterclockwise to increase sensitivity.
Testing the Burner
The burner(s) are connected to the heater ducts at the base of the bin. You must test the fans and burners
prior to operating the TopDry system.
Before You Begin
• Make sure you have completed the pre-season inspections.
• E-Stops are pulled out.
• Power has been supplied to the system.
• Turn on the fuel supply.
• Turn all switches on the TopDry Terminal to OFF.
• Turn the Control Power switch to ON.
• Push the Dryer Power Start button.
To test the burner:
1. Turn the Fan switch to ON.
2. Turn the Heater switch to ON.
Pneg–4900 TopDry Terminal™
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