AEC Econo-Cool Chillers - Manual (Page 33)

Page 32 AEC Water Temperature Control Units
SV or Set Value Numeric LED
During normal operation, the green SV Set Value LED on the
controller displays the process set point you want the chiller to
maintain. It also displays parameter and pre-set function values
during setup.
OUT1 LED
The orange OUT1 LED lights when the controller output energizes
the immersion heater.
OUT2 LED
The orange OUT2 LED lights when the controller output energizes
the cooling valve.
MANU LED
The orange MANU LED lights when you place the controller in
Manual mode.
STOP LED
The orange STOP LED is not used.
RMT LED
The orange RMT LED is lit during remote operation.
AT LED
The orange AT LED flashes during auto-tuning.
SUB1 LED
The orange SUB1 LED is lit during high temperature conditions.
4-4 Using Controller Keys
Figure 6
Note: Only those who are completely familiar with the unit controller should
perform the operations described in Sections 4-4 through 4-14.