TESTING OF TIME DELAY:
1. Connect the test set to a suitable source
of
power. Be sure that the ON/OFF Switch
on the test set is
OFF.
2. Make sure the line side circuit
of
the breaker to be tested is de-energized or
disconnected.
Close the breaker to
be
tested.
3. Connect the test set output terminals to one pole
of
the breaker to be tested. (See
SELECTION OF OUTPUT CONNECTION
Section IV, 2, A.)
4.
If
the N.O.
or
N.C. TIMER STOP MODEs are to be used, connect a set
of
light leads
from the
TIMER STOP terminals to another pole
of
the breaker under test or the
desired auxiliary contact.
5.
Turn test set ON/OFF circuit breaker ON. The Control Panel Display should
illuminate.
6. Set up
of
controls before testing:
CONTROL
Circuit Breaker
OUTPUT SELECTOR Switch
VERNIER CONTROL
OUTPUT MODE
TIMER STOP MODE
Ammeter MODE
AMMETER RANGE
VOLTMETER
CIRCUIT
Selection
7. Verify proper ammeter range.
POSITION
ON
1
Zero (counterclockwise)
PULSE
If
desired, the N.O.
or
N.C. selections may
be used to control timer operation.
Otherwise use the
C.A. (Current Actuate)
selection.
MEMORY and PARALLEL.
Select a range such that the test current
can be read as near
full scale as possible.
As desired, depending on voltage to be
measured
8.
Set the desired test current by rotation
of
the VERNIER CONTROL, and then
pressing the
START button per the following procedure.
23
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