Emerson Vilter VilTech Operation And Service Manual page 167

Automatic Mode
To enter Automatic Mode touch the AUTO MODE button. The button will
light up and the words Aut will appear on the screen.
In Automatic mode the Stage operation will be selected automatically based
on the designated Discharge Pressure. To set these points see "Auto Setup
Screen" section of this manual.
Automatic Operation
In automatic mode the Condenser Controller will attempt to keep the Dis-
charge Pressure within the deadband range. Once the discharge pressure
moves outside the specified dead band range the Controller will wait the
specified amount of seconds and toggle the appropriate stage.
The Main Screen will state the appropriate stage. The picture below shows
the Controller in the second stage.
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