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Honeywell DCP 250 Faq page 6

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 Press to enter the Automatic Tuning Menu.
 Enter 10 as the Unlock code.
 Pre-Tune Method – Choose Pre-Tune at Value
 Enter Pre-Tune Value. This is a Setpoint that in the range of the process.
Recommendation is at least 5% greater than the current Setpoint
 Pre-Tune save Location. Here you can store the Pre-Tune values to one
of 5 different PID sets. Recommend PID Set 1.
 Run Pre-Tune on Set 1 now? Select "Yes" to start the tuning process.
Once Yes is selected, a Status screen will appear with the Tuning status.
When "Stopped" appear on the lower half of the screen, Pre-Tune is
finished. Press enter to proceed.
 Engage Self-Tune. If Yes is elected the Self-Tune feature will be active
and the Tune Led is lite continuously.
 Auto-Pre-Tune at Power-Up? Recommend "None".
 DCP cycles back to step 6. Hold down
Menu.
 Press Up or Down to select Operation Mode, then
 Verify tuning by changing Setpoints. Make changes to PID values, if
necessary, in the Control Group.
Global Technical Assistance Center
and press
to enter the Main
to exit.
Page 6

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