I'm controlling flue levels. Are there PID reference values?

Try proportional control. Perform tuning with these reference values: P=10%, I=OFF.D=OFF, MR=0%.

Advanced Application UT75A

Temperature Controller with increased monitoring and operating capabilities

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Mid-level UT55A/UT52A

Increase monitoring and operating capabilities

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UP35A/UP32A

Program Controllers with 4 patterns, 40 segments, and ladder sequence functions

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UP55A

Program controller with 30 patterns, simultaneous monitoring, and ladder sequence function

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UT32A-D

Digital Indicating Controller with selectable 2-loop control and intuitive design

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UT35A/UT32A

Increase monitoring and operating capabilities

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