About This Document 1
1.0 A
BOUT
T
HIS
D
OCUMENT
1.1 Purpose of This Document
This document provides all the necessary information to operate and maintain a Helios DC Sys-
tem 4000/48 power system.
The installation procedures for the Helios DC System 4000/48 power system are covered in instal-
lation manual SL-60034.
1.2 Applicability of This Document
This document applies to Helios DC System 4000/48 power systems having any configuration of
equipment.