UPS for 400 Vac Grid, Installation Guide, doc. rel. 3.0
71
4.4.
LVD Battery Protector
The LVD battery protector is a mechanism that protects the batteries from deep discharge.
For additional information about the LVD battery protector, refer to the
UPS User
Guide
.
The Battery CB trip coil must have a tripping voltage of 48 Vdc to be supplied from the system.
Figure 50: LVD wiring diagram
Figure 50 shows how to wire UPS to enable the LVD battery protector. Wire should be 12AWG or
of a cross-section area 2.5 mm
2
is recommended.
For additional information about configuring the LVD function, refer to the
UPS
User Guide
.