Delta Ultron Series User Manual page 90

• According to on-site requirements, you can choose 12V × 30/ 32/ 34/ 36/ 38/ 40/ 42/ 44
or 46 PCS of batteries. Change of the battery quantity will influence the applied
specifications. For battery selection, installation and replacement, please contact your
local dealer or customer service.
• You must set up the number of battery strings on the LCD according to the on-site
installation. otherwise, the batteries will be over-charged, not fully charged or even
seriously damaged.
• Only use the same type of batteries from the same supplier. Never use old, new and
different Ah batteries at the same time.
• The number of batteries must meet the UPS requirements.
• Do not connect the batteries in reverse.
• Use a voltage meter to measure whether the total voltage is around 12.5Vdc × the total
number of batteries after the batteries are connected in series.
• The default battery quantity is 40 PCS of 12V batteries connected in series. The external
battery cabinet's neutral (N) is to be connected to the middle of the 20th and 21st
batteries. Please connect the external battery cabinet to the UPS's Battery Input
terminals '+', '-' and UPS Output terminal 'N'.
WARNING:
The electrolyte leakage of the batteries can lead to serious accidents. For safety's
sake, you must insulate the batteries properly (using insulated trays or boxes) from
the metal cabinets and racks.
Ultron DPS Series
(Figure 5-47: External Battery Cabinet Connection)
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