Delta Modulon DPH Series User Manual page 106

NOTE:
1. The charge current is adjustable from 6A to the maximum, 1A per step.
2. If you need to modify the default charge current setting and default low battery
3. Follow on-site requirements to choose 12V × 30/ 32/ 34/ 36/ 38/ 40/ 42/ 44 or
4. You must set up the 'Battery Rating Voltage', 'Battery Strings' and 'Capacity'
Only use the same type of batteries from the same supplier. Never use old, new and dif-
ferent Ah batteries at the same time.
The number of batteries must meet UPS requirements.
Do not connect the batteries in reverse.
Use a voltage meter to measure whether the total voltage, after the external battery
cabinet connection, is around 12.5Vdc × the total number of batteries.
The default number of batteries is 40 PCS of 12V batteries connected in string, and you
should connect the external battery cabinet's neutral to the middle 20
You should use battery cables to connect the external battery cabinet with the '+', '-' and
'N' terminals marked on the UPS. Please refer to
Modulon DPH Series
shutdown setting, please contact your local dealer or service personnel.
specifications. For battery selection, installation and replacement, please
contact your local dealer or customer service.
on the LCD according to on-site application. Otherwise, the batteries will be
over-charged, not fully charged or even seriously damaged.
External Battery
Cabinet
+ - + -
1 2
UPS's Battery Input Terminals
+ ( N ) -
( ) ( )
Protective Device
+ -
( N )
( ) ( )
+ - + -
20 21
5-30
th st
and 21
.
- -
+ +
22 40
batteries.