4
the system load. Typical reserve power duration
estimates and battery specifications are provided in
Table
WARNING
Some batteries can generate explosive gases.
Therefore,
Ensure that batteries are located in a well-
ventilated area.
2.
Do not smoke near batteries.
3.
Avoid creating any electrical sparks near
batteries.
4.
Use commercially available battery
.
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,
and 3.8.3 for reserve power
battery installation requirements.
WARNING
!
Battery cables which exit the
are
not
listed because of possible incorrect
installations. Have a licensed electrician
install these cables.
3.8.1 Floor
or
Wall-Mounted Systems with
One
or
Two
Cabinets
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:
Connect the black jumper wire (supplied with the
PBTC-3M cable) from the positive terminal of one
battery
to
the negative terminal of the
second
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
of
the PBTC-3M battery
cable to the open positive terminal of the
battery. Connect the black lead
to
the open
negative terminal of the second
battery.
4.
5.
6.
IMPORTANT
!
The
must be connected to
AC power source, and the power supply
switch set to ON prior to the final
step of connecting the reserve power batteries
the power supply via the
receptacle. If the batteries are connected after
AC
power is lost, reserve power will not
function.
Connect the PBTC-3M battery cable two-prong
male plug
to
the base cabinet power supply BATT
+/- receptacle.
Repeat Steps 3 and 4 to connect
a PBTC-3M to
the expansion cabinet.
To test reserve power operation, disconnect
system AC power
p l u g s
with power supply
switches in the ON position. The system
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.
2.
3.
4.
5.
Install the Battery Distribution Box
to
the bottom cabinet (Figure 3-24).
Connect two Cable
jumper wires
from
the
positive terminal of one
battery to the
negative terminal of the second
battery
(Cable “C” is supplied with the
cable).
Ensure that a serviceable 12-ampere fuse is
installed in the in-line fuse holder of the
2M
battery cable.
Connect the white lead of the
battery
cable to the open positive terminal of the
battery. Connect the black lead to the open
negative terminal of the second
battery.
Connect a second
in parallel
to
the
first
cable per Steps 2, 3 and 4
instructions.
3-30
January
1996
Summary of Contents for Strata AirLink DK280
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Page 85: ...MARKING HOLE BACK COVER DK0181 Figure 3 8 Back Cover Mounting Holes 3 11 January1996 ...
Page 86: ...DKOl82 Figure 3 9 Mounting Cabinet on Back Cover 3 12 January1996 ...
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