Utility Relay Company AC-PRO-II, Instruction Manual

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AC-PRO-II
®
Instruction Manual www.utilityrelay.com
Page 21
Figure 10.1: Sluggish Breaker Screen
Before the AC-PRO-II trip unit is put into service, it must first
be commissioned so it will function. This requires the user to
enter all of the pick-up and delay settings into the unit.
The commissioning process normally takes less than a few
minutes to complete.
The AC-PRO-II can be commissioned using the local display
screen, or using the InfoPro-AC software application. For
commissioning using the local display screen, continue
reading this section. For commissioning using the
InfoPro-AC software application, see Section 23.0, and the
InfoPro-AC help guide included in the application.
**** IMPORTANT ****
The trip unit will NOT FUNCTION as it is shipped from
the factory. The user must first COMMISSION the unit as
outlined in this Section or Section 11.3 to make it
functional.
In normal service, the AC-PRO-II is powered directly from
the breaker mounted CT’s.
For commissioning, the trip unit can be powered up in any of
the following ways:
Press the "DISPLAY" button to power-up the trip unit using
the internal battery.
The trip unit is designed to shut off automatically if none of
the push buttons on the face of the unit are pressed for 60
seconds. It is best to have all the desired settings readily
available before commissioning the unit when using the
battery.
If the unit shuts down before the commissioning process is
completed, the process must be started again from the
beginning.
Connect a laptop, PC, or USB wallpack to the front mini-USB
port of the AC-PRO-II, or the USB extension port. The unit
will be powered continuously, regardless of the power
system current and voltage.
Apply 24 VDC to the "+24VDC Aux Power" connector
located on the front of the trip unit, primarily for the
Secondary Injection Test Set. Refer to Section 3.4 for
additional sources.
After the AC-PRO-II is installed on the breaker and powered
up, it must be commissioned as follows:
1) Press the “DISPLAY” button to turn on the display.
2) The “Un-commissioned” message will appear (see figure
below).
Figure 11.1: Un-commissioned Screen
Pressing “SET” will start the user settings process. See
Section 11.3.
Pressing “MORE” will go to the “MORE” menu. See Section
6.4.
11.0 Commissioning the AC-PRO-II
®
11.1 Powering-Up the Trip Unit for
Commissioning
11.1.1 Internal Battery
11.1.2 USB Power
11.1.3 24VDC Auxiliary Power
11.2 Un-commissioned Screen