Chapter 2 Battery installation 21
LIEBERT APM UPS Module And Parallel System 30kVA~150kVA User Manual
2.2 LIEBERT APM Battery typologies
According to the requested configuration LIEBERT APM UPS may need internal and/or external batteries
Liebert APM can utilize two different battery typologies:
•
Modular
: consisting of a number of battery boxes each containing 10 batteries that cannot be accessed w/o
removing a protective cover, installed in the UPS and / or in a dedicated Modular Battery Cabinet, (MBC)
that allows to extend the runtime as long as the systems or it’s requirements grown adding additional battery
modules on-the-fly by means of touch free blind mate connectors.
•
Traditional
: consisting of one of more strings of battery blocks installed on shelves in a locked cabinet or
dedicated battery room
Note
•
The battery modules, regardless if they are mounted internally to the UPS or in the MBC, make
uses of strings of 30 batteries.
•
The Traditional external battery cabinet can make use of each even number of battery per string
between 30 and 40.
•
The default factory setting, if the unit is ordered w/o internal battery is 40.
•
The cabinet is only for valve regulated maintenance-free lead-acid battery.
CAUTION: -The lead acid battery may cause chemistry hazard
2.3 Safety
2.3.1 Modular Battery Cabinet.
Warning
•
When handling the battery modules please refer to the label on it on how to operate
•
Please use insulated glove to move battery modules.
•
Do not to OPEN the battery boxes.
•
Voltage between points 1 and 2 ( Fig.
2-1) may exceed 150V DC, so they must not be touched
and the cover shall be kept on when not installed
CAUTION: The lead acid battery may cause chemistry hazard
Fig.
2-1:
Battery Box Back