Eaton Cutler-Hammer Digitrip RMS 510 Instructions Manual page 44

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Page 43
8.7.1
Secondary lnjection Testing
I
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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