Delta Modulon DPH Series User Manual page 65

You should connect the UPS with at least one external battery cabinet to ensure that
the connected critical loads are protected when a power failure occurs. You can
connect up to four units of external battery cabinets to the UPS.
• To ensure that the batteries are fully charged, please charge the batteries for at
least 8 hours before initial use of the UPS. The charging procedures are as follows.
1. Connect the UPS to the main AC source and the external battery cabinet(s).
Please refer to
6. UPS Operation
2. Follow
After that, the batteries will be automatically charged.
WARNING:
You can connect the critical loads to the external maintenance bypass
cabinet only after the batteries are fully charged. This guarantees that
the external maintenance bypass cabinet can provide sufficient
backup power to the critical loads connected when a power failure
occurs.
• To connect the external battery cabinet(s) to the UPS, please refer to
Figure 5-16
and
• For the external battery cabinet's grounding information, please refer to
12 Figure 5-15
and
• Battery Parameters:
No.
1 Charge Voltage
2 Charge Current
Low Battery Shutdown
3
Voltage
4 Battery Quantity
5. Wiring
.
to turn on the UPS and the external battery cabinet(s).
.
.
Item Description
Float charge voltage: ± 272 Vdc (default)
Equalized charge voltage: ± 280 Vdc (default)
Default: ± 5A (per power module)
± 15A (Max.) (per power module)
± 210 Vdc (default)
12V × 40 PCS (default)
5.5 Wiring
Figure 5-
65