External Battery Cabinet Connection Warnings - Delta DPS Series User Manual

WARNING:
Before start-up of the parallel units, qualified service personnel must set each
UPS's 'Parallel Group ID' (1 or 2) and 'Parallel ID' (1 ~ 8) through the LCD.
Otherwise, the parallel UPSs cannot be started. Please refer to 7.6.5 Parallel
Setting.
5.5

External Battery Cabinet Connection Warnings

NOTE:
1. The information of the battery parameters in this chapter may not be applicable
to the lithium-ion batteries. For relevant information, please refer to the manual
of the lithium-ion batteries.
2. Whether you use the lead-acid batteries or the lithium-ion batteries, please
contact Delta service personnel for any battery/ battery cabinet's setup and
configurations.
WARNING:
1. Before performing battery/ battery cabinet installation, wiring and replacement,
please turn off each external battery cabinet's breaker (Q5) to completely
disconnect the battery power from the UPS.
2. A battery can present a risk of electric shock and high short-circuit current.
Servicing of batteries and battery cabinets must be performed or supervised
by qualified service personnel knowledgeable in batteries, battery cabinets and
the required precautions. Keep unauthorized personnel away from batteries
and battery cabinets.
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.
Ultron DPS Series
(Figure 5-20: Grounding Diagram_ Parallel Units)
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