Vertiv | NetSure 7100 Series -48V DC Power System Installation Manual (IM582127000) | Rev. BB
Installing and Connecting Batteries
DANGER! Adhere to the “Important Safety Instructions” presented at the front of this document.
Procedure
NOTE!
Refer to
Figure 116
as this procedure is performed.
1. If Battery Trays are Equipped With a Circuit Breaker: Turn OFF the Battery Disconnect circuit
breaker located on all battery trays. Refer to Figure 116 for locations. Follow local lockout/tagout
procedures to ensure circuit breakers remain in the off position during installation.
2. Remove the battery retention bracket as shown in Figure 116. To do so, remove the four 1/4-20 x 5/8”
bolts and associated washers.
3. Slide batteries into the tray, with the battery terminals toward the front as shown in Figure 116. Slide
batteries into the tray as far as they will go.
NOTE!
The battery retention bracket can be oriented two ways to accommodate batteries of different
lengths. A correctly oriented bracket will fit snuggly against the batteries. If your batteries require the
alternate bracket orientation shown in Detail A of
Figure 116
, remove and reinstall the bullet-shaped
spacers as shown in Detail A before performing the next step.
4. Reinstall the battery retention bracket. The spacers on the bracket should separate the batteries from
each other. Secure with the hardware removed in a previous step. Refer to Figure 116 for washer
location.
5. Connect three links supplied by the battery manufacturer between pairs of battery terminals as shown in
Figure 116. Use hardware furnished by the battery manufacturer. Torque hardware to battery
manufacturer’s recommendations.
6. Ensure the battery cable ends in all trays are insulated with sleeving before performing the next step.
DANGER! In multiple-tray installations, when batteries in one tray are connected, the battery cables in
all trays will be energized. Remove sleeving from and connect one cable at a time. Do not allow a cable
end to contact the battery tray or equipment rack.
WARNING! In the next step, observe correct polarity. Connect only cables labeled “+” to battery
terminals labeled “+”. Likewise, connect only cables labeled “–” to battery terminals labeled “–”.
7. Connect the cables found in the battery tray to the battery terminals, “+” to “+” and “–” to “–”. Observe
correct polarity. Refer to Figure 116. Secure with hardware furnished with the battery. Torque hardware
to battery manufacturer’s recommendations.
8. Repeat steps 1 through 7 for any remaining battery trays.
9. If Battery Trays Are Equipped With a Circuit Breaker: To connect the batteries to the power system,
turn ON the Battery Disconnect circuit breaker located on all battery trays.
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