External Battery Cabinet Connection Precautions - Delta Ultron GES203HH33A035 User Manual

6.6

External Battery Cabinet Connection Precautions

WARNING:
1. You can connect loads to the UPS only after the batteries are fully charged. This
2. If you would like to use the internal batteries and the external batteries at the
y
Battery
1. Charge Voltage
1) Float voltage: ±272Vdc (default)
2) Boost voltage: ±280Vdc (default)
2. Charge Current
1) Minimum:
2) Maximum:
3) Default:
3. Low Battery Shutdown: 200Vdc (default: 200Vdc)
4. The Number of Batteries: 12Vdc x 40 pcs (default)
NOTE:
1. You can adjust the charge current from 1A to the maximum. Each adjustment
2. If you need to modify the charge current default setting and low battery shut-
y
Only use the same type of batteries from the same supplier. Never use old, new and differ-
ent Ah batteries at the same time.
y
The number of batteries must meet UPS requirements.
y
Do not connect the batteries in reverse.
y
Use the voltage meter to measure whether the total voltage, after the external battery cabi-
net connection, is around 12.5Vdc × the total number of batteries.
y
When connecting a non-Delta external battery cabinet to the UPS, it is compulsory to in-
stall an appropriate non-fuse DC breaker and fast-acting fuses (when short-circuit occurs,
the melting current must be 5~6 times of the battery fuse's rating current).
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nected when a power failure occurs.
same time, please make sure the voltage difference is less than 5Vdc.
20/ 30/ 40kVA
20/ 30/ 40kVA
20kVA
30/ 40kVA
level is 0.5A.
down default setting, please contact your local dealer or service personnel.
Chapter 6
¼
1A
¼
5A
¼
1.5A
¼
2A
45
Installation and Wiring