2-7 Reserve (Bypass) Mode (Parallel)
CB3
CB2
RESERVE
MAIN
CB3
CB2
RESERVE
MAIN
The same as what mentioned in Section 2-3 except two UPS units sharing the load.
All parallel UPS will switch at the same time (Refer to Fig. 2-7).
CB1
CB1
Fig. 2-7 Reserve (Bypass) Mode (Parallel)
STS
CB5
STS
CB5
2-5
CB4
UPS1
CB4
UPS2
LOAD