Delta Electronics NH Plus Series

2
Η
Operation
2-4
2-5 Normal Mode (Parallel)
DELTA NH Plus 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 to the bypass mode (Refer to Fig.
2-5).