Honeywell DR4500A - Page 155

Operation - Using Accutune II
Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual 141
April 2017
Step
Press
Action/Result
Cooling Tuning
6
DISP
Until you see Setpoint 2.
Lower Display: SP nnn
7
or
Until the value of Setpoint 2 is at the desired value within the
Cooling zone.
8
DISP
Until you see
Lower Display: Use SP1
9
or
to toggle to
Lower Display: Use SP2
10
DISP
Lower Display: TUNExOFF x = 1 or 2
11
or
to toggle to
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.