7.11 Battery Temperature Sensor (Optional)
Vertiv provides an optional battery temperature sensor which can measure the temperature about four positions. When using
multiple battery temperature sensors, the monitor selects the highest temperature detected among them for display. The
battery temperature measuring probe should be transferred by the measured points box and be connected to the X103 to
X106 ports on UHW241C2 board in the battery switch cabinet, and the X108 should be connected to PIN number of J2 of the
UPS bypass control module. Follow Figure 7.6 below to route the cables.
Figure 7.6 Con nection d iagram of internal options of overall BC B switch cabinet
7.12 Battery Ground Fault Detector (Optional)- Applicable for APAC
Region
Vertiv provides an optional battery ground fault detector. It includes a mutual inductor and a PCB, which should be installed in
the BCB cabinet. If the BCB cabinet uses top cable entry, the mutual inductor should be installed on the inside of the top plate
of the BCB cabinet (see Figure 7.5 on the previous page); if the BCB cabinet uses bottom cable entry, the mutual inductor
should be installed on the inside of the bottom plate of the BCB cabinet. Connect the PCB as shown in Figure 7.6 above.
N O T E: If a battery gro und fault detector is installed the positive, negative and neutral battery cab les
from the battery into the BC B cabin et m ust be routed throug h the hole of the m utual inductor of th e
battery ground fault detector, w hile other cables m ust bypass the m utual indu ctor for connection.
7 Battery
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Vertiv™ Liebert® APM Plus User Manual
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