P/N 315-093298-2
Installation Instructions
MODELS BB-55 and BB-55R
Battery Box
(For indoor use only in dry environments)
INTRODUCTION
The Model BB-55 or BB-55R from Siemens Industry,
Inc. is used to house BTX-1 (31 AH) and BTX-2 (55
AH) batteries for the MXL/MXLV/MXL-IQ System. The
BB-55 is black and the BB-55R is red.
The backbox can be mounted on a flat surface with
four user-supplied bolts that are a maximum of
3
/
8
inch
in diameter.
INSTALLATION
Prior to installation, consider the following:
•
Weight and size of the enclosure.
•
Local codes.
1. Select a clean, dry, shock and vibration free
surface.
2.
Position the backbox directly beneath the MXL
enclosure to which it will be wired, lining up the
knockouts in the BB-55 with the knockouts in the
MXL enclosure.
3.
Position the backbox so that it is clear of
obstructions and the front door opens freely.
4.
Mark the locations of the two upper mounting
bolts of the backbox on the wall. (See Figure 2.)
5.
Drill the two holes located in the previous step
and screw in the top bolts, leaving a small gap
between the wall and each top bolt.
6.
Place the backbox over the two top bolts and
allow it to slide down over the bolts.
7.
Mark, drill, and install the two bottom bolts in the
backbox.
8.
Tighten all four bolts securely against the back
wall of the backbox.
9.
Place the batteries in the bottom of the BB-55.
Siemens Industry, Inc.
Building Technologies Division
Florham Park, NJ
Siemens Building Technologies, Ltd.
Fire Safety & Security Products
2 Kenview Boulevard
Brampton, Ontario
L6T 5E4 Canada
Figure 2
BB-55 Mounting Holes
BB-55
KNOCKOUT FOR WIRING
WIRING
The main AC power line must be turned OFF prior
to installation.
Wire in accordance with local codes and NEC 760.
1.
Remove the knockouts in the top of the battery
box and bottom of MXL enclosure for entry of
battery wiring.
2.
Connect the Battery Wire Assembly to the
batteries in the BB-55. If a longer wire is required,
use a minimum of 12 AWG.
SPECIFICATIONS
BB-55: 24"W x 7"D x 11"H
21.25 in
24.00 in
1.38 in
11.00 in
ø0.437 in
(2 HOLES)
8.00 in
SIEMENS INDUSTRY, INC.
SIEMENS INDUSTRY, INC.
MODEL BB-55
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
P/N 315-093298
P/N 315-093298
FLORHAM PARK, NJ 07932
FLORHAM PARK, NJ 07932
Figure 1
BB-55 Enclosure
