Motorola SC 4812ET RF Hardware Installation Manual page 78

Cabinet Mounting
– continued
4
Figure 4-6: Power Cabinet with Batteries Installed (Doors Removed for Clarity)
Installed Battery
Terminal Strap
A
Battery
View of a String
Mounting
Bracket
of Batteries
Î Î Î Î Î Î
Î Î Î Î Î Î
Î Î Î Î Î Î
Cross–Section of Typical Battery
Terminal Connection
78
Step
3 Attach the battery terminal strap from the positive (+) terminal on
battery "A" (see Figure 4-6) to the negative (–) terminal on battery
"B" using the fastening hardware supplied with the batteries. Torque
to the recommended value (per battery manufacturer; if using Johnson
Controls batteries, torque is 12.4 N–m (110 in–lbs)).
4 Secure the black cable supplied (attached to the black "Return Buss"
on the left side of the battery compartment) to the negative (–)
terminal on battery "A" with the fastening hardware supplied with the
batteries. Torque to the recommended value shown on the battery (per
battery manufacturer; if using Johnson Controls batteries, torque to
12.4 N–m (110 in–lbs)).
5 Secure the red cable installed (attached to the red "+ 27V Buss" on the
right side of the battery compartment) to the positive (+) terminal on
battery "B" with the fastening hardware supplied with the batteries.
Torque to the recommended value shown on the battery (per battery
manufacturer; if using Johnson Controls batteries, torque to 124 N–m
(110 in–lbs).
Batteries
(Battery Heaters
located under
batteries)
B
Bolt and Washer
(Supplied with Battery)
Buss Bar Cable Lug
or Terminal Strap
Battery
SC 4812ET RF and Power Cabinet Hardware Installation Manual
TM
Table 4-8: Power Cabinet Battery Cabling
Action
11 12
9 10
7 8
5 6
4
3
1 2
Battery "Position
Number"
DRAFT
Rectifier Alarm
Module
Temperature
Control Module
Recifier Shelfs
Low Voltage
Disconnect
GFCI
Circuit
DC Circuit
Breakers
AC Load
Center
. . . continued on next page
Apr 2001
V04.03