Eaton Cutler-Hammer Digitrip RMS 510 - Page 44

AD 33-855-4
Page 43
8.7.1
Secondary
lnjection Testing
I
wanrurr'rc
DO NOT USE THE AMPTECTOR
TEST KIT
TO
TEST
DIGITRIP RMS WHILE THE BREAKER
IS
IN THE
"CONNECTED'POSITION
IN THE
SWTCHGEAR
CELL COMPARTMENT.
TESTING
SHOULD
ONLY BE PERFORMED
WHEN THE
BREAKER
IS LEVERED TO THE
"DISCONNECTED"
OR
"REMOVED"
POSI-
TIONS.
FAILURE TO COMPLY WITH THESE
RECOMMENDATIONS COULD
RESULT IN
PERSONNEL
INJURY DEATH, AND / OR
EQUIPMENT DAMAGE.
POSSIBLE DAMAGE
TO THE DIGITRIP TRIP
UNIT
MAY RESULT FROM
THE USE OF SWLE
NUMBERS
14OD481GOlR OR GO2 TEST KITS.
ONLY
USE A TEST KIT wlTH STYLE
NUMBER
8779CO2GO2
FOR TESTING THE DIGITRIP
TRIP UNIT.
The tester secondary amps, shown
in Table 8-3,
are'for 1O0/o
Rating Plugs, where the
Plug Rating
(ln)
and Sensor Rating are
the same. lf
your
Rating
Plug
is
not
100%, ft will be necessary
to ratio the
secondary
amps accordingly-
lf all of the
tests from Table 8-3
yield
correct
results,
the Trip Unit is functioning
properly.
lf any
difficulties are encountered during
testing,
please
call Cutler-Hammer at 1
-800-937-5487.
A.
8.7.2 Secondary
lnjection Test Procedures
Prior to Secondary
lnjection Testing:
.
Defeat Zone lnterlocks;
.
Defeat Unpowered
Thermal Memory;
and
.
Use
Auxiliary Power.
During
Secondary lnjection
Testing:
o
Reset the
Trip
Unit;
.
Reset the Trip Settings
(see
Table 8-3);
o
Close the Breaker;
.
Conduct
the test
(see
Table 8-3);
.
Abort the Test
(see
Table 8-3); and
.
Record the Test Results.
-
Compare actual
results with the
expected
test results
in Table 8-3.
-
610, 81 0, & 910
Trip Units will display
the
elapsed
time of the test and
then
display the cause of
Trip Code.
-
Press
the Step button to view
the test
current
magnitude after
each test.
-
Permanently record the results
to verify
calibration of the
Trip
System.
After Secondary
lnjection Testing:
.
Reset the Trip Unit; and
.
Confirm the Breaker Status.
c.
Etfective 9/01
ElT.il