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SECTION 9 OPERATION
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REFER
TO SECTION 1 ENTITLED
"GENERAL
INFORMATION
AND
SAFEW
PRECAUTIONS"
AND REVIEW ALL THE DIRECTIONS SET
FORTH
IN THAT SECTION, PRIOR TO START-
ING ANY TESTING PROCEDURE.
FAILURE TO
FOLLOW THE SAFE PRACTICES
RECOM-
MENDED
IN
SECTION
1 COULD RESULT
IN
PERSONAL INJURY
DEATH AND/OR EQUIP-
MENT
DAMAGE. OPERATION OF
THIS EQUIP.
MENT SHOULD ONLY
BE
CARRIED
OUT BY
PERSONNEL
FAMILIAR WITH
WORKING ON
POWER CIRCUIT
BREAKERS AND
SWITCHGEAR
ASSEMBLIES.
The information
presented
for the operation of
Digitrip
RMS Retrofitted Power Circuit Breakers
and Switchgear supplements
the content of the
original equipment
instruction manuals.
Further,
the information described supplements
any
established
procedures
in
practice
at the
customer
Iocation.
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BREAKER AND SWITCHGEAR
CELL RETROFIT
INSTALLATIONS
MUST BE CHECKED
AND
TESTED PRIOR TO PLACING
THE EQUIPMENT
IN OPEBATION. SECTION
8 PROVIDES
INFOR-
MATION ON
RECOMMENDED TESTING AND
CHECKOUT
PROCEDURES. FAILURE
TO FOL-
LOW SUCH PROCEDURES COULD
RESULT IN
PERSONAL
INJURY, DEATH, AND / OR
EQUIP-
MENT DAMAGE.
9.1 Breaker
Insertion in Switchgear Gell
and Power Up
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wanr.rrruc
PRIOR TO INSERTING
THE BREAKER
INTO
THE CELL,
BE SURE THE
BREAKER IS IN THE
OPEN POSITION
AND THE TRIP UNIT
ADJUST-
ABLE SETTINGS
ARE CORRECT.
ADDITION-
ALLY BE SURE THE
TRIP UNII BREAKER
AND
SWTCHGEAR CELL
ALL MATCH
FOR THEIR
INTENDED APPLICATION.
FAILURE TO DO SO
COULD
RESULT IN PERSONAL
INJURY
DEATH, AND / OR EQUIPMENT
DAMAGE.
NOTE: lt
is the responsibility of the Retrofitter
to
install the Retrofitted
Breaker in the Cell to
insure
proper
Breaker / Cell fit and correct
Breaker operation.
Rack the Breaker
to the
CONNECT
position
in the
Switchgear Cell.
RMS 510 Basic
Retrofitted Break-
ers
include no External
Harness and are ready
to'
be closed.
For RMS 510 Zone, 610, 810,
& 910
Retrofitted Breakers,
plug
the External Harness
into the Cell
Harness Assembly and
then
close
the
Breaker. The External
Harness connects the Exter-
nal
Trip
Unit Signals.
For RMS 610, 810, &
910
Retrofitted Breakers,
the Trip Unit
"Green"
Status
LED will begin
to blink when the
plug
is connected,
indicating the Trip Unit
is
operational
and the 120
VAC external source
is on. For RMS 610, 810, &
910
Retrofitted Breakers with an optional
Breaker
Mounted Control
Power Transformer
(CPT),
the
120 VAC external source
is derived from the Line
side of the Breaker.
For RMS 510 Basic and
RMS
510
Zone Retrofitted Breakers,
the Trip Unit
"Green"
Status
LED will begin to blink
when the
Breaker
is closed and Primary Current
of at Ieast
25o/o of Ihe Sensor
Tap
selected
begins
to flow
NOTE:
Digitrip RMS Overcurrent
Protection is
maintained, even
when the Breaker
Exter-
nal Harness Plug
is not
plugged
into the
Cell Harness
Plug. The Digitrip
RMS
Overcurrent
Trip System
is internally
powered
by
the
primary phase
currents
passing
through the Current
Sensors.
Effective 9/01
ElT.il
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