10-2 Adjusting the rectifier and the dc distribution shelf
AccessNode 323-3001-210 Issue 1.0
Chapter task list
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.
• 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”).
Cautions
Prior to performing any rectifier replacement procedures, read each caution on
the following page carefully. Important battery and rectifier information is
presented.
Task See
Power the rectifier Procedure 10-1 on page 10-4
Adjust the High Voltage Shutdown (HVSD) Procedure 10-2 on page 10-11
Adjust the Equalize (EQL) voltage Procedure 10-3 on page 10-14
Adjust the Float (FLT) voltage Procedure 10-4 on page 10-16
Adjust the second and third rectifiers Procedure 10-5 on page 10-18
Adjust the load sharing for multiple rectifiers Procedure 10-6 on page 10-20
Adjust the dc distribution shelf voltages Procedure 10-7 on page 10-23
Adjust the low voltage alarm (LVA)
threshold on the dc distribution shelf
Procedure 10-8 on page 10-26
Adjust the low voltage disconnect (LVD)
threshold on the dc distribution shelf
Procedure 10-9 on page 10-28
Adjust the low voltage disconnect return
(LVDR) threshold on the dc distribution shelf
Procedure 10-10 on page 10-30
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.
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