Appendix
34
Figure 24 Auxiliary dry contact cables for output breaker in multi-module system
Figure 25 Dry contacts, multiple UPS modules with distribution panel
!CAUTION
The auxiliary control wire must be installed to ensure proper operation of the system.
NOTE
For startup procedure, see the UPS operations and maintenance manual, SL-25210.
485-
P2 X2
2
485+
DBS X3
P1 X2
1
:XT MAINT
Input DistributionUPS 1
M3 Board
X3
Ext. Maint. Ext. Out
UPS 2
M3 Board
X3
Ext. Maint. Ext. Out
UPS N
M3 Board
X3
Ext. Maint. Ext. Out