Adjusting the rectifier and the dc distribution shelf 10-11
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
Procedure 10-2
Adjusting high voltage shutdown
Use this procedure to:
• perform the high voltage shutdown (HVSD) adjustments on the rectifier
• prepare for EQL adjustment procedures for the rectifier
The Series 800A cabinet accommodates up to three NT5C06CA-3 25-amp
rectifier modules mounted in the NT5C10CE rectifier shelf.
This procedure applies to a system that is equipped with one, two, or three
rectifier modules.
Note: For cabinets equipped with more than one rectifier, refer to “Chapter
task list” on page 10-2 for detailed information on which procedures to
perform and when to perform them.
Table 10-4 shows the Nortel Networks recommended rectifier settings for the
optional battery selections.
Documentation references
See NTP 169-2071-500.
Test sets
A voltmeter RMS Fluke 8050A (or equivalent) test set is needed.
Tools required
A screwdriver, slotted, small (0.1-inch width) is required.
—continued—
Table 10-4
Rectifier adjustment settings
Battery
manufacturer
High voltage
shutdown
(HVSD)
Equalize
(EQL)
Float
(FLT)
Low voltage
alarm
(LVA)
Low voltage
disconnect
(LVD)
Gates -56.0 ± 0.1 -55.5 ± 0.1 -55.0 ± 0.1 -47.0 ± 0.1 -43.0 ± 0.1
Eagle-Picher -56.0 ± 0.1 -55.4 ± 0.1 -54.7 ± 0.1 -47.0 ± 0.1 -43.0 ± 0.1
Yuasa -56.0 ± 0.1 -54.0 ± 0.1 -54.0 ± 0.1 -47.0 ± 0.1 -43.0 ± 0.1
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