18
B610010K: Connecting External Batteries
B610010K models do not have internal batteries installed if
they will have external batteries connected. Do not try to
connect external batteries to a 10K UPS that already has
internal batteries installed.
1. To connect the external battery cabinet to the 10K UPS,
remove the UPS conductor box cover (if it has not already
been removed). See Figure 11. The terminals will be
labeled as shown in Figure 12 on the next page.
2. Place the external battery cabinet as close as possible to the
UPS to reduce DC wiring costs and improve battery perfor-
mance. At the battery cabinet, remove the conductor box
cover shown in Figure 13 on the next page.
3. Size the positive, negative, and ground cables that you will
use to connect the UPS to the battery cabinet. The battery
cable or wire that should be used is No. 6 AWG (13.30
mm
2
). If the batteries must be some distance form the UPS,
you may need to install larger battery cables between the
battery cabinets and the UPS. Using long cable runs and
larger diameter cables may require modifications inside the
UPS; call the nearest Best Power office for more information.
4. At the UPS, the conductor box has knockouts/plugs for AC input, AC output, and DC cables. The
knockout for DC should already have been removed during AC installation. Route the battery cables
and the ground wire through this opening. At the battery cabinet conductor box, remove one or more
knockouts for the DC cables.
CAUTION
Dangerous voltage is present at the battery terminals. See the cautions at the beginning of this section.
Conductor Box Cover
Figure 11
Figure 10
