5 - 2 1
5
Installation and Wiring
Figure 5-19: Parallel Units Dual Input Wiring Diagram
5.6 External Battery Cabinet Connection Warnings
UPS 1
UPS 2
UPS 8
Parallel Port
Parallel Port
Parallel Port
Parallel Port
Parallel Port
Parallel Port
3Ø4W
3Ø4W
3Ø4W
Parallel Cable
Parallel Cable
Parallel Cable
Parallel Cable
Loads
Main AC Source
Bypass Source
AC Input
Terminals
Bypass Input
Terminals
Bypass Input
Terminals
Bypass Input
Terminals
AC Input
Terminals
AC Input
Terminals
UPS Output
Terminals
UPS Output
Terminals
UPS Output
Terminals
Daisy
Chain
Method
(Figure 5-19: Parallel Units Dual Input Wiring Diagram)
NOTE:
For dual input, the UPS will not work normally if the main AC power’s
QHXWUDO1DQGWKHE\SDVVSRZHU¶VQHXWUDO1DUHQRW¿UPO\FRQQHFWHGRU
not connected to the two N terminals shown in
Figure 5-8
.
4
Use the provided parallel cable to connect the parallel ports on the parallel units.
Please refer to
Figure 4-3
for the parallel port location.
5
Follow
Figure 5-18
to ground the parallel UPS units, external battery cabinet(s)
and connected critical loads.
WARNING:
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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
7.10.5 Parallel Setting
.
Содержание Modulon DPH series
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