Operating instructions

2-3
2-5 Normal Mode (Parallel)
Protect 3.M 2.0 Series provides a parallel combination (up to 4 units) to get
redundancy or expand the total capacity.
Fig. 2-5 Normal Mode (Parallel)
Under this installation, the load is shared by two UPS units. If there is any problem in
one of them, the load will be entirely handled by the other. In case the load is greater
than one UPS can take, the UPS will shut down and then transfer all UPS to the
reserve mode (Refer to Fig. 2-5).
CB1
CB2
CB3
CB4
CB5
UPS1
MAIN
RESERVE
STS
CB1
CB2
CB3
CB4
CB5
LOAD
MAIN
RESERVE
STS
UPS2