Delta Modulon DPH Series User Manual page 93

NOTE:
1. You can adjust the charge current from 6A to the maximum. Each adjust-
ment level is 1A.
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/ 44 or 46 PCS batteries. The change of the number of batteries will
replacement, 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
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 (N) to the middle 20
teries. You should use battery cables to connect the external battery cabinet with the '+',
'-' and 'N' terminals marked on the UPS. Please refer to Figure 5-17.
External Battery
Cabinet
+ -
1
(Figure 5-17: External Battery Cabinet Connection)
UPS's Battery Input Terminlas
+
( N )
( )
Protective Device
+
( N )
( )
+ - + - + -
2 20
5-21
5
-
( )
-
( )
-
+ +
21 22
Installation and Wiring
and 21 bat-
th st
-
40