Chapter 4: Control Panels
Discharge Mode — Selects how the system determines when the grain is discharged from the
dump chutes. The available discharge modes are the following:
• Time only mode: The grain is dumped at the end of its drying cycle based strictly on the time
set in the Dry Timer setting.
• Time and Temp Mode: The dryer will hold the grain until the Dry Timer setting has elapsed and
the Grain Temperature Setpoint has been reached.
• Time and External Trigger Mode: The dryer will hold the grain until the Dry Timer setting has
elapsed and has been triggered by and external device, such as a moisture controller.
Switch Selection — The level switches installed on your TopDry system. The available switches
are the following:
• Wet Tank Switch: Select if an optional wet tank level switch is used.
• Low Level Switch: Select if a low level drying chamber switch is installed.
• Dry Chamber Overflow: Select if a drying chamber overflow switch is installed.
• Start Fans with High Level: Select to start the fans based on grain depth. When enabled, the
fan(s) will not start until the grain level in the dryer has reached the high level drying chamber
switch.
NOTE: The High Level Switch must be installed and is not optional.
Aeration — The number of aeration fans used on your TopDry system.
Fill System — Determines how your system will control the fill conveyors. The available options are
the following:
• Number of Fill Systems: Enter the number of conveyors that are supplying the wet grain to
your TopDry system, one or two.
• Percent Time Until Load Off: Used for autobatch only. Enter the percentage of lapsed time
remaining on the Dry Timer after which the wet fill system will not try to refill the TopDry.
Burner — Determines how your system will control the burner(s). The available options are the
following:
• Hi-Lo Burner: Toggles the burner(s) between Hi-Lo operation or off-on operation.
• Number of Burners: The number of drying fan and heater(s) on your TopDry.
• Burner Differential: The temperature differential that the burner(s) will cycle between on a high
and low firing rate during Hi-Lo burner operation.
NOTE: This should always be set to one degree unless special circumstances exist.
Clock Update — Sets the year, month, day, hour, minute, and seconds on the TopDry’s internal
clock.
3. Click the Exit to return to the main menu.
40 Pneg–4900 TopDry Terminal™
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