Operation - Using Accutune II
Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual 141
April 2017
Until you see Setpoint 2.
Lower Display: SP nnn
Until the value of Setpoint 2 is at the desired value within the
Cooling zone.
Lower Display: TUNExOFF x = 1 or 2
Lower Display: TUNExON x = 1 or 2
Tuning will begin and the lower display will flash “TUNING”. The
output will cycle between 0% and 50% (or low output limit). When
tuning has been completed the lower display will again show
“TUNExOFF”. The Cool tuning parameters are entered for the
second set of PID constants in the Tuning Set Up group.
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