Utility Relay Company AC-PRO-II, Instruction Manual

Page: 24 / 56

AC-PRO-II
®
Instruction Manual www.utilityrelay.com
Page 22
PWR SET HIST MORE
N:
GF:
xxxxA
xxxxA
xxxxA
xxxxA
xxxxA
xxxVan
xxxVbn
xxxVcn
A:
B:
C:
REV CHNG 485 EXIT
"EXIT" to Exit
**SETTINGS**
"485" to change 485
"CHNG" to Change
"REV" to Review
tap on breaker CT's
CT Tap xxxxA
**IMPORTANT**
Must match actual
Frequency Setting
Frequency (Hz) xx
Up Down Next Exit
Security Code
enter 4 digit code
To change settings
0000
Up Down Enter
Security Code
enter 4 digit code
To change settings
1234
Press enter after last digit
Up Down Exit Enter
50Hz. 60Hz. Enter Back
The left buttons are for
setting adjustments. These
buttons change depending
on setting options. i.e.
"Up/Down" or "ON/OFF".
Other buttons function as follows:
Return to previous screen
or previous setting
digit/value.
Back:
Advance to next screen or
next setting digit/value.
Enter:
Return to Main screen. Exit:
The Security Code is the last four (4)
digits of the Serial Number. See
Section 4.0 for location of Serial
Number. Use the Up and Down
buttons for each digit. Use Next button
to advance to next digit.
TYPICAL SETTINGS BUTTON NOTES
CT rating range:
50A to 5000A in 25A steps.
5000 to 6250A in 250A steps, and 6300A
Phase CT options:
1.0, 0.5, 0.4, 0.25, 0.20
Neutral CT options:
2.0, 1.5, 1.0, 0.5, 0.4, 0.25, 0.20, 0.18
Select 50Hz or 60Hz
o
o
o
Push "CHNG" to Change Settings.
SET MORE
**WARNING**
Enter settings before
placing in service
Push "SET" to begin
NO PROTECTION
Push "SET" for Settings Menu
(Settings Menu is also
accessed from the Main screen)
"Un-commissioned" screen
The CT rating entered into the trip unit
must correspond to the actual rating
of the phase and neutral CT taps.
Long Time (LT)
Enabled ON
Pick-Up xxxx Amp
Delay xx.x Sec
Therm Mem ON
Up Down Enter Back
TO SHORT TIME SETTINGS.
SEE NEXT PAGE.
LT is ON unless ordered with
"LT can be turned OFF" option
LT Pickup steps:
5A steps for CT>225A
0.5A steps for CT<=225A
LT Delay range: 2.0 to 30.0 seconds.
LT Delay can be extended to 50.0
seconds if specifically ordered.
Thermal memory can be turned
ON or OFF.
LT Pickup range: 0.5A & 1.0A Ph CT
20% to 100% of CT Rating
LT Pickup range: 0.4A Ph CT & below
50% to 100% of CT Rating
LT Pickup range can be extended
to 120% if specifically ordered
SEE SECTION 6.0 FOR MENU
NAVIGATION AND TABLE 6-A FOR
COMMON SMART BUTTON ACTIONS.
CT Secondary Rating
Phase x.xx Amps
Neutral x.xx Amps
Up Down Back Enter
Power Flow Direction
NORMAL
Power Flow Direction options:
NORMAL or REVERSE
Figure 11.2: Change Settings Menu - Part 1
11.3 Entering & Changing Settings locally