5 using graphic panel buttons – AEC Econo-Cool Chillers User Manual
Page 34

AEC Water Temperature Control Units
Page 33
AT
AT Key
Press and hold the
AT
AT
key for two seconds to initiate or to
stop the auto-tune function.
Display Key
The functions of the
Display
key change, based on how
long you press it. Press the
Display
key for less than one (1)
second to scroll through parameters within the mode. Press the
Display
key for at least one (1) second or more to display the
menu; the Display function also lets you select the mode you need
to adjust.
Important!
Do not change any of the control settings
without consulting AEC’s Service Department.
AEC warranty does not cover chiller failures
from tampering with controller settings!
Down Key
Each press of the
Down Arrow
key decrements or reduces
the values or settings on the
SV
Set Value display.
Up Key
Each press of the
Up Arrow
key increments or advances
the values or settings on the
SV
Set Value display.
4-5 Using Graphic Panel Buttons
ON/OFF Switch
Push the
ON/OFF
rocker switch to the ON ( | )energize the unit and begin the
temperature control cycle. The switch will be illuminated whenever the unit is on.