Lucent Technologies Lineage
®
2000 400A, 60Hz Ferroresonant Rectifier J85503C-3
Issue 10 July 2000
Troubleshooting and Adjustments 7 - 17
not operate properly, go to Section 6, Diagnostics and
Troubleshooting.
8. Turn on DIP switch S3.7 on CM2, restart the rectifier, and adjust
the load to at least 10 percent, 40A.
9. To verify proper operation of the ISHVSD circuit (optional):
a. Adjust the Float Adj potentiometer to obtain 56 ± 0.5 volts.
Read voltage on control panel meter by holding meter switch in
the Rect V position. The rectifier should shut down.
b. Open switch contact S3.7, close switch contact S3.8, and restart
rectifier.
c. Adjust the Float Adj potentiometer to obtain 57 ± 0.5 volts.
Read voltage on control panel meter by holding meter switch in
the Rect V position. The rectifier should shut down.
d. Close switch contact S3.7, and restart rectifier.
e. Adjust the Float Adj potentiometer to obtain 58 ± 0.5 volts.
Read voltage on control panel meter by holding meter switch in
the Rect V position. The rectifier should shut down.
10. Set ISHVSD to desired level.
11. Remove ac power to the rectifier at the ac service panel, and
disconnect the test load.
12. Reconnect the rectifier to the battery.
Restore
Rectifier to
Service
1. Set the ac supply and rectifier controls as shown in Table 7-H.
Table 7-H: Control Settings Prior to Restoring a Rectifier
to Service
Controls
Position/Status
Associated ac circuit breaker or
fuses at the ac service distribution
panel
Off or fuses removed and
holders tagged “Out of
Service”
Rectifier Power switch
Off (down)
Rectifier CB1 circuit breaker
Off (down)
Rectifier REG fuse in the plant
controller
Removed