CLS200 Series User’s Guide
Chapter 3: Using CLS200
57
Manual and Automatic Control
1. Switch to the single loop display for the loop.
2. Press MAN/AUTO.
3. Press YES to change the mode
– or –
if the mode is MAN, press NO to set the output power. Go to the next subsection, Manual
Output Levels.
– or –
press NO if in AUTO to cancel and remain in AUTO mode.
4. Select a mode by pressing the up or down key (YES or NO) to scroll through the modes.
5. Press ENTER to make the mode change
– or –
press BACK to return to the single loop display without saving the new mode setting.
6. If you set the loop to manual, you are prompted for the output power. Go to Manual Output
Levels below.
Manual Output Levels
If the loop to is set to manual control, the controller prompts for output levels for the enabled control
outputs. Use this menu to set the manual heat and cool output levels. You should see a display
like this:
ALARM
01 SET HEAT
OUTPUT? 90%
1. Press YES to change the output power level. (If the heat output is enabled, you will be able
to change the heat output power level. If only the cool output is enabled, you will be able to
change only the cool output power level.)
– or –
Press NO to go to the cool output, if available, and then press YES to change the cool output.
2. Press up or down (YES or NO) to select a new output power level.
3. Press ENTER to store your changes
– or –
press BACK to discard your changes and return to single loop display.
4. Repeat from Step 1 for the cool output, if available.
5. Press BACK at any time to discard your changes and return to single loop display.
Autotuning a Loop
Autotuning is a process by which a controller determines the correct PID parameters for optimum
control. This section explains how to autotune the CLS200.
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