User guide

4-20 l Operation
To Start Drying (continued)
4 Press the START button.
If everything is installed correctly:
• The green light on the start button will illuminate.
• The process and regeneration blowers turn on and the display LEDS
will illuminate.
• The process and regeneration heaters turn on and the display LEDs will
illuminate.
• The desiccant wheel starts turning.
To Stop Drying
1 Press the STOP button. The Stop LED blinks red.
• The blowers continue running for a few minutes
to cool the heaters.
2 Be sure to disconnect and lockout the main power if you have stopped the
dryer to perform maintenance or repair.
IMPORTANT: Do not use the main power switch to stop the dryer. Turning off power to the
control and dryer during normal operation prevents the necessary cool-down period, and can
trigger the shut down/high temperature alarm during your next drying cycle.
CAUTION: Improper shut down can cause damage to your dryer.
• The green light on the start button will illuminate.
• The regeneration, process blowers and LEDs will turn on.
• The regeneration heater and LEDs will turn on.
• The desiccant wheel starts turning.
Stop
Start
When configured as a
central dryer, the high
setpoint limits can not
be set since there is no
process heater in the
system.