Delta DPH-300K, User Manual

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3 - 3 0 Modulon DPH Series
3.4 Common Battery (Only for Parallel UPSs connecting to
the Same External Battery Cabinet(s))
NOTE:
1. The 'common battery' information in this chapter is only applicable to the UPS
using lead-acid batteries. If you need information about lithium-ion batteries,
please refer to the user manual of the lithium-ion batteries.
2. Whether using the lead-acid batteries or the lithium-ion batteries, please contact
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To save on your costs and installation space, the parallel UPSs can share their connected
external battery cabinet(s). For common battery application, please install a protective
device between each parallel UPS and its connected external battery cabinet(s). For
relevant information about the protective device, please refer to
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. Please see
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for two parallel UPSs sharing one
external battery cabinet as an example.
If the parallel UPSs share the external battery cabinet(s), you should use the LCD to set up
relevant parameters such as '
Battery Type ', ' Capacity ', ' Battery Strings ', ' Float Charge
Voltage ', ' Equalized Charge Voltage ' *
1
, ' Charge Current (Max) ', etc. For more information,
please refer to
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.
NOTE:
1. For common battery application, please use the LCD to set each UPS’s
float charge voltage (default: 272V) the same, each UPS’s equalized charge
voltage
*
1
(if applicable, default: 280V) the same, and each UPS’s battery strings
and charge current (Max) even. For example:
A. When (1) two UPSs are paralleled and share one external battery cabinet,
(2) the lead-acid batteries are used, (3) the battery capacity is 200AH, (4)
there are a total of 4 battery strings, and (5) the charge current (Max) is 80A,
please use the LCD to set each UPS’s '
Battery Type ' as ' VRLA ', ' Capacity '
as 200AH, ' Battery Strings ' as 2, and ' Charge Current (Max) ' as 40A.
B. When (1) three UPSs are paralleled and share one external battery cabinet,
(2) the lead-acid batteries are used, (3) the battery capacity is 300AH, (4)
there are a total of 3 battery strings, and (5) the charge current (Max) is 90A,
please use the LCD to set each UPS’s '
Battery Type ' as ' VRLA ', ' Capacity '
as 300AH, ' Battery Strings ' as 1, and ' Charge Current (Max) ' as 30A.
2. *
1
The item ' Equalized Charge Voltage ' will change into ' Restored Voltage '
if you use the Delta lithium-ion batteries with the optional multifunctional
communication card (MFC) being installed in the smart slot shown in
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. For relevant information, please refer to
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6HWWLQJ
.