OM226142 rev C
35
5.2.5 Battery connection and positioning
IMPORTANT
For battery installation please respect the EN62040-1-2 prescriptions, paragraph 4.9.20,
and at the same time all the national rules or specifications which can be applied to the
premises or building.
To obtain the battery life indicated by the battery manufacturer, the operating temperature
must remain between 0 and 25 °C. However, although the battery can operate up to 40 °C,
there will be a significant reduction of the battery life.
To avoid the formation of any kind of potentially explosive hydrogen and oxygen mixture,
suitable ventilation must be provided where the battery are installed (see EN62040-1-2
annex N).
For the materials installed in France, we have to apply the rules according to NFC 15-100
article 554.2: the volume of the renewed air has to be at least 0,005 NI m
3
per hour, where
N is the number of the elements inside the battery and I is maximum current of the
rectifier.
The batteries can be internal or external, however, it is recommended to install them when
the UPS is capable of charging them. Please remember that, if the battery is not charged
for periods over 2-3 months they can be subject to irreparable damage.
In order to avoid any damage during the transport battery is delivered with some
connection cables disconnected (in order to have a battery voltage for each shelf less than
120V) and with protective cardboard.
At the time of the installation you will have to provide to remove the protective cardboard
(as indicated on label MD388070, placed on the protective cardboard)
and to
reconnect the cables
(as indicated on label MD388071, placed on the door of the
UPS)
.
IMPORTANT
Only the UPS’s 20KVA and 30kVA (up to 10’ autonomy) have internal batteries. The
bigger sizes must be connected with external battery cabinets.
Picture 26 – Wiring 4 batteries for tray