3 using controller keys, Important – Sterlco Midsize User Manual
Page 29

Portable Hot Oil Temperature Control Units
Page 29
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.
5-3 Using Controller Keys
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 the Service Department.
The manufacturer 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.