Floor Or Wall-Mounted Systems With One Or Two Cabinets; Wall-Mounted Systems With Three Or More Cabinets - Toshiba Strata DK 280 Installation Manual

the system load. Typical reserve power duration
estimates and battery specifications are provided in
Table 3-1.
Some batteries can generate explosive gases.
Therefore,
ventilated area.
2. Do not smoke near batteries.
Avoid creating any electrical sparks near
3.
batteries.
4. Use commercially available battery
4 enclosures to reduce risk to nearby
.
people and equipment.
The procedure for installing reserve power varies,
depending on the number of cabinets in the system
and the mounting method employed in installing the
cabinets. Refer to the following instructions i n
Subsections 3.8.1, 3.8.2 and 3.8.3 for reserve power
battery installation requirements.
Battery cables which exit the cabinet(s) are
not UL listed because of possible incorrect
installations. Have a licensed electrician
install these cables.
3.8.1 Floor or Wall-Mounted Systems with
or
One
Refer to the following instructions and Figures 3-23
and 3-26 to install reserve power to floor or wall-
mounted systems with just one or two cabinets:
PBTC-3M cable) from the positive terminal of one
second 12VDC battery.
2. Ensure that a serviceable 10-ampere fuse is
installed in the in-line fuse holder of the PBTC-3M
cable.
3. Connect the white lead
cable to the open positive terminal of the 12VDC
battery. Connect the black lead to the open
negative terminal of the second 12VDC battery.
3-30
WARNING !
WARNING !
Two Cabinets
of
the PBTC-3M battery
IMPORTANT !
The cabinet(s) must be connected to fhe (iive)
AC power source, and the power supply
step of connecting the reserve power batteries
the power supply via the BATT+/-
receptacle. If the batteries are connected after
AC power is lost, reserve power will not
function.
4. Connect the PBTC-3M battery cable two-prong
male plug to the base cabinet power supply BATT
+/- receptacle.
5. Repeat Steps 3 and 4 to connect a PBTC-3M to
the expansion cabinet.
6. To test reserve power operation, disconnect
system AC power
should continue t o operate without any
interruption.
Note:
If connecting four batteries, follow the wiring
diagram in Figure 3-26.
3.8.2 Wall-Mounted Systems with Three or
More Cabinets
Refer to the following instructions and Figures 3-25
and 3-26 to install reserve power to wall mounted
systems with three or more cabinets.
1. Install the Battery Distribution Box (RBDBlA) to
the bottom cabinet (Figure 3-24).
2. Connect two Cable "C" jumper wires
positive terminal of one 12VDC battery to the
negative terminal of the second 12VDC battery
(Cable "C" is supplied with the RBTCIA-2M
cable).
3. Ensure that a serviceable 12-ampere fuse is
installed in the in-line fuse holder of the RBTCIA-
2M battery cable.
Connect the white lead of the RBTClA-2M battery
4.
cable to the open positive terminal of the 12VDC
battery. Connect the black lead to the open
negative terminal of the second 12VDC battery.
5. Connect a second RBTCfA-2M in parallel to the
first RBTCIA-2M cable per Steps 2, 3 and 4
instructions.
plugs
with power supply
from the
January 1996