Lucent Technologies Lineage
®
2000 125A Ferroresonant Rectifier J85502C-1
6 - 16 Testing
Issue 8 July 1999
4. To bring the rectifier into service,
a. Turn the rectifier POWER switch On. The green
Power LED must light. Wait 10 seconds.
b. Hold the meter selector switch in the RECT V
position, and use a small screwdriver to turn the
OUTPUT VOLTS ADJ potentiometer clockwise until
the digital meter reads approximately battery voltage,
typically 26 volts for 24-volt plants or 52 volts for
48-volt plants.
c. Turn the DC OUTPUT circuit breaker On (up).
d. Turn the POWER switch Off.
5. For testing with a controller, connect plant control cable
J2A to P2A on CM2, then replace REG fuse in the
controller. For a controllerless application, leave J2A
disconnected, and replace REG fuse in the remote bay.
6. Turn rectifier POWER switch On.
Testing On Line
On and off-line testing require different procedures, although
most tests can be performed in either situation. The Control (TR)
and Selective HVSD Tests are omitted from this section because
these signals originate in the plant controller or a remote
location, and the test procedure depends on that device. (See
your controller product manual.) Also, straps on the CM1 option
board must be set for List WB to enable the external selective
HVSD. Straps must be set for List WA to enable external
sensing. Check CM1 and Table 8-B or Tables A and R on
J-drawing, J85502C-1 if you expect to have these features.
If you have just tested the rectifier off line, it is not necessary to
repeat the tests on line.
Note
If the rectifier continues to operate, proceed to Step b. If
the rectifier shuts down due to initial high voltage, monitor the
Rect V voltage. When this reading reaches 26 volts for
24-volt plants, or 52 volts for 48-volt plants, turn On the
circuit breaker. If the rectifier shuts down for any other
reason, such as component failure, see Section 7,
Troubleshooting and Adjustments.
