Using SP tuning at start-up

After SP or PV+PV has been enabled, use the procedure in Table 5-37 to use SP tuning at start-up.

 

Table 5-37 Procedure for Using SP Tuning at Start-up

 

 

 

 

Step

Action

 

 

 

 

1

 

 

 

Put the controller in manual mode by pressing the

MANUAL/AUTO

key.

 

 

 

 

 

2Let the PV stabilize.

3Adjust the setpoint to the desired value.

4Put the controller in automatic mode by pressing the MANUAL/AUTO key.

The controller will switch to automatic mode and the process will start to move toward the setpoint and will line out with the proper tuning constants. A large T appears on the left side of the upper display to indicate that SP tuning is in progress.

SP tuning for duplex (heat/cool)

Configuring SP tuning for duplex (heat/cool)

SP tuning can be done for applications using duplex (heat/cool) control.

To configure this item, refer to Section 3 – Configuration:

Set Up Group ACCUTUNE

Function Prompt ACCUTUNE or ACCUTUN2

Select SP or SP+PV, using either or .

Enter the Setpoint Change Value, Function Prompt SP CHANG or SP CHAN2.

Verify the Process Gain Value to be 1.0, Function Prompt KPG or KPG 2.

Verify Criteria selected is FAST, Function Prompt CRITERIA or CRITERA2.

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Honeywell UDC 3300 Using SP tuning at start-up, Procedure for Using SP Tuning at Start-up, Step Action, Manual/Auto, Key