B-8
Appendix B
Step 1. Mounting Back Boxes
Overview There are one-bay, two-bay, and three-bay back boxes. The one-bay back box is typically used
as a standalone master controller cabinet, while the two and three-bay cabinets may contain
any combination of modules.
• Back boxes are usually shipped in large containers separate from the system electronics. If
system electronics containers are shipped with the back box containers, store the system
electronics containers in a safe, clean, and dry location until the back box installation is
completed, and you are ready to install the system electronic bays.
• All back box PIDs are listed in Chapter 1.
Specifications Table B-1 lists the specifications for the back boxes.
Make certain that you have the necessary hardware before you begin the installation procedure.
The Back Box Mounting Hardware Kit should have all of the items listed in Table B-2.
Table B-1. Back Box Specifications
PID
Number
Description Height Width Rough Opening
Size Weight Box Trim Door Box Height Width
4100-2001/2011
2975-9190/9191
1 Bay 55 lb.
(25 kg)
20-¾ in.
(527 mm)
23-½ in.
(597 mm)
26-
3/8 in.
(670 mm)
25-¾ in.
(654 mm)
21-¼ in.
(540 mm)
26 ¼ in.
(667
mm)
4100-2002/2012
2975-9192/9193
2 Bay 125 lb.
(57 kg)
36-¼ in.
(921 mm)
39-
1/8 in.
(994 mm)
26-3/8 in.
(670 mm)
25-¾ in.
(654 mm)
36-¾ in.
(933 mm)
26 ¼ in.
(667
mm)
4100-2003/2013
2975-9194/9195
3 Bay 185 lb.
(84 kg)
52-
1/8 in.
(1,324 mm)
55 in.
(1,397 mm)
26-3/8 in.
(670 mm)
25-¾ in.
(654 mm)
52 5/8 in.
(1,337
mm)
26 ¼ in.
(667
mm)
Table B-2. Contents of the Back Box Mounting Hardware Kit
Part Number Description
Quantity per back box
1-Bay Box 2-Bay Box 3-Bay Box
268-010 Lockwasher
(No. 8
)
6810
490-011
Washer 6 8 10
426-033
Screw (No. 8
Torx, 5/16 in.)
6810
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