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DISPLAY SELECT Button
Used to select the function which is on the display screen.
This applies only to the six LEDs on the right-hand side of
the controller. Each time the DISPLAY SELECT button is
pressed, the indicator light moves down one position.
DRAIN TEST Button
Push button that allows the operator to perform an auto-
matic drain valve test without stopping the dryer.
Pressing the DRAIN TEST key will initiate a drain open
cycle, without disturbing the normal on/off cycling.
SET Button
This button is used to store new values in memory when
changes are made. Once any adjustment in the displayed
value is made, the corresponding LED will blink until the
SET button is pressed. Pressing the DISPLAY SELECT
button to advance to another display parameter be-
fore pressing the SET button will result in the changes
being lost.
LED Indicators
Power On LED
Indicates voltage is available to the controller.
1 - 8
Auto Restart LED
LED that indicates the dryer has been restarted automati-
cally after a power outage. A blinking LED occurs during
the compressor warm-up period. This light will stop blink-
ing after the warm-up expires, when the Dryer On LED
comes back on. The LED will stay lit until the STOP button
is pushed.
Dryer On LED
Indicates the dryer is on. This light will blink if the START
button is pressed during the compressor warm-up period.
Left-hand Controller LEDs
Drain Open LED
Indicates when the automatic drain valve is open. See Set
Auto Drain On Time (Sec) for information on setting the
drain open times.
Drain Closed LED
Indicates when the automatic drain valve is closed. See
Set Auto Drain Off Time (Min) for information on setting the
drain closed times.
Fahrenheit LED
Indicates the temperature is displayed in °F.
To change the display temperature setting:
• Make sure the process control temperature is displayed
and the Process Control Temperature LED is on.
• Press the UP or DOWN button until the desired LED
(Fahrenheit or Celsius) lights. The Process Control
Temperature LED will blink.
• Press the SET button to store the change in memory.
The Process Control Temperature LED will stop blink-
ing.
Celsius LED
Indicates the temperature is displayed in °C. To change to
Fahrenheit, see description above.
High Temperature Alarm LED
A high temperature alarm will occur if the process control
temperature is over 80°F for more than 10 minutes. When
a high temp alarm occurs, the High Temperature Alarm
LED will light and the compressor will shut down.
High temperature alarms will only occur while the dryer is
in on.
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