Delta Modulon DPH series User Manual page 105

NOTE:
1. You can adjust the charge current from 6 A to the maximum. Each adjustment
level is 1 A.
2. If you need to modify the default charge current setting and default low battery
shutdown setting, please contact your local dealer or service personnel.
3. You can follow on-site requirements to choose 12V × 30/ 32/ 34/ 36/ 38/ 40/ 42/
please contact your local dealer or customer service.
4. The number of batteries that you set up via the LCD must be the same as that
of 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 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 Figure 5-27.
External Battery
Cabinet
+ -
1
(Figure 5-27: External Battery Cabinet Connection)
UPS's Battery Input Terminals
+
( N )
( )
Protective Device
+
( N )
( )
+ - + - + -
2 20
5-27
5 Installation and Wiring
-
( )
-
( )
-
+ +
21 22
and 21 batteries.
th st
-
40