Chamberlain 7200 - Install Safety Reversing Sensor

Installation
Step
10
Install
the
Safety
Reversing
Sensor
Figures
2 and
3 show
assembly
of brackets
and
"C"
wrap based
on
the recommended
installation
of
the
sensors
on each
side
of the
garage
door
as
shown
on
page
21.
However,
Figures
4 and
5 are
variations
which
may
fit
your
installation
requirements
better.
Make
sure
the
wraps
and brackets
are aligned
so the
sensors
will
face each
other
across
the
garage
door.
.
Fasten
the "C"
wraps
to the
mounting
brackets
having
square
holes,
using
the
hardware
shown
in
Figure
2.
.
Connect
each assembly
to a
slotted
bracket,
using
the
hardware
shown
in
Figure
3.
Note
the
alignment
of the brackets
for
left and
right sides
of
the door.
.
Finger
tighten
the lock
nuts.
.
Use
bracket
mounting
holes
as a
template
to
locate
and
drill
(2)
3/16"
diameter
pilot
holes
on
both sides
of
the
garage
door,
4"-6"
above
the
floor
but
not exceeding
6".(See
warning
on
page
21.)
.
Attach
bracket
assemblies
with
1/4"x1-112"
lag
screws
as
shown
in
Figure
3.
.
Adjust
right
and
left side
bracket
assemblies
to the
same
distance
out
from
the mounting
surface'
Make
sure
all
door
hardware
obstructions
are
cleared.
Tighten
the
nuts securely.
Figure
4
Alternate
wan
Mount
Mounting
Bracket
w¡th Slot
Mounting
Bracket
with
Square
Holes
"C" Wrap
Sensor
_
Garage_
FIoor
Figure
5
Atternate
Ftoor
Mount
"C"
Wrap
#1
0-32x3/8"
Screws
114x1-112"
114-20xll2"CarriageBolts
Lag
shoulder)
Bracket
"C" Wrap
with
Slot
Mounting
Bracket
with Square
Holes
lndicator
Light
Sensor
Mounting
Bracket
w¡th Square
Holes
Mounting
Bracket
with
Slot
Attach
with
concrete
anchors
(not
provided)
Garage_
Floor
Figure
2
Mounting
Bracket
With
Square
Holes
Po,
\/
#10-32
Lock Nuts
'ye
Figure
3
1t4',-20
Lock
Nuts
a
e
ue
Hardware Shown
Actual
Size
ffi
114"-20x112"
114',-20
Lock
Nut
#1
0-32x3/8"
Screw
#10x32
Lock
Nut
114x1-112"
Lag
Screw
Staples
Carr¡age
Bolts
lndicator
Light
22
Nortek, Exhibit 1012