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10-2 Adjusting the rectifier and the dc distribution shelf
Chapter task list
Task
Power the rectifier
Adjust the High Voltage Shutdown (HVSD)
Adjust the Equalize (EQL) voltage
Adjust the Float (FLT) voltage
Adjust the second and third rectifiers
Adjust the load sharing for multiple rectifiers
Adjust the dc distribution shelf voltages
Adjust the low voltage alarm (LVA)
threshold on the dc distribution shelf
Adjust the low voltage disconnect (LVD)
threshold on the dc distribution shelf
Adjust the low voltage disconnect return
(LVDR) threshold on the dc distribution shelf
Prerequisites for installation
The choice of site and compliance with local regulations (such as the
applicable electrical codes, right-of-way easements, and noise requirements)
are the responsibility of the operating company.
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Cautions
Prior to performing any rectifier replacement procedures, read each caution on
the following page carefully. Important battery and rectifier information is
presented.
AccessNode 323-3001-210 Issue 1.0
The cabinet has been mounted on the selected concrete pad or battery vault
as defined in Chapter 2, "Installing the cabinet".
All hardware and materials are available, and have been checked for
completeness and readiness for the installation.
All the required drawings, local installation instructions, job
specifications, and other documentation are available and ready for use.
The required 220 V ac line voltage is feeding the cabinet.
Batteries have been installed (see Chapter 9, "Installing and connecting the
batteries").
CAUTION 1
Air flow requirements
Do not leave any materials or other objects lying over the
batteries or in other parts of the cabinet. This could block air
flow throughout the cabinet and disrupt cabinet cooling.
See
Procedure 10-1 on page 10-4
Procedure 10-2 on page 10-11
Procedure 10-3 on page 10-14
Procedure 10-4 on page 10-16
Procedure 10-5 on page 10-18
Procedure 10-6 on page 10-20
Procedure 10-7 on page 10-23
Procedure 10-8 on page 10-26
Procedure 10-9 on page 10-28
Procedure 10-10 on page 10-30
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