Temperature Controller Keys - AEC PCA SERIES Operation And Installation Manual

RMT LED
The orange
AT LED
The orange
SUB1 LED
The orange
degrees (2°F/ºC) or more below the To Process set point. The compressor then
shuts down by means of a latching circuit, and does not run again until the
temperature at the To Process thermocouple is two degrees (2°F/ºC) above the
set point.
This +2°F/ºC control set point is factory-set for proper compressor operation.
Changing it is not recommended without consulting the AEC Service
Department.
5-4

Temperature Controller Keys

AT
AT Key
Display Key
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LED is lit during remote operation.
RMT
LED flashes during auto-tuning.
AT
LED energizes whenever the process temperature is two
SUB1
AT
Press and hold the
the auto-tune function.
The functions of the
long you press it. Press the
second to scroll through parameters within the mode.
Press the Display key for at least one (1) second or more to display
the menu; this function also lets you select the mode you need to
adjust.
AT key for two seconds to initiate or stop
Display key change, based on how
key for less than one (1)
Display
PCA Series Chillers