
energized, then 7 taps in the opposite direction. It will not take the eighth tap as that is
reserved for exercising the reversing switch by passing through neutral).
If Neutral indication is not sensed during this process, the Abnormal Tap Position alarm
will be activated and will not reset until the tap position has been re-calibrated.
If Neutral is "found" during this process, but the feature cannot complete the reversing
switch swipe successfully due to the Maximum Allowed Taps setting, then the Run
Through Neutral feature will standby until the conditions that are necessary to run are met
and it can complete.
After the feature has completed successfully, the control will return to regulation and take
any taps necessary to satisfy its settings requirements.
Manipulating the Tap position via communications or HMI while Run
Through Neutral is active and in the process of running through neutral
will result in the feature not properly executing and could trigger an
Abnormal Tap Position Alarm depending on the changes made and where
tap position was when it was changed by a user.
6.2.17.1
Enabling/Disabling and Setting Run Through Neutral from the HMI
1.
Press the Down Arrow (CNFG Hot Button) pushbutton to wake the unit. The menu
will advance to "CONFIGURATION".
2.
Press the Down Arrow pushbutton once. The unit will display the following:
Tapchanger Type
3.
Press the Right or Left arrow pushbutton, as necessary, until the "Run Through
Neutral" screen is displayed.
4.
Press the Down Arrow pushbutton once. The unit will display the following:
Enable/Disable
disable
5.
Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code.
6.
Utilizing the Up/Down arrow pushbuttons, select either "Enable" or Disable", then
press the ENT pushbutton.
7.
Depending on the selection, proceed as follows:
•
If Run Through Neutral was "DISABLED", no further action is required.
•
If Run Through Neutral was "ENABLED", proceed as follows.
8.
Press the Down arrow pushbutton, as necessary, until the "Reset RTN Success
Counter" screen is displayed.
9.
Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code. The
following will be displayed:
Confirm press ENTER
Section 6
1VAC388793-MB A
Configuration
394
TCC300
User Manual
Содержание TCC300
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