SECO-LARM Electric Shear Lock
4
SECO-LARM U.S.A., Inc.
Po
w
er
In
pu
t
Fig. 2 -Preparing the
Mounting Positions
Width of door
Outside of door
when closed
Door
Center
Wiring Diagram:
1.
Set for power supply type (12VDC or
24VDC) – Use the jumpers to set voltage
setting (see Fig. 3).
2.
Connect to power
3.
One terminal positive, one to negative
(non-polarized)
NOTE:
When mounting vertically near the center of the door, disassemble the armature
assembly and add the two included springs. This improves the unit’s push-off. (See
Fig. 4, pg. 5).
1.
Determine where to mount the armature assembly in the door. It should line up with the
magnet assembly. (See Fig. 4).
2.
Draw a line between the front and back door faces. This is the door center line (see Fig. 2).
3.
Tape the door template to the door, lining the door template’s door center line with the door
center line you just drew.
For Hollow Metal Doors:
1.
Cut out the rectangular piece of metal as shown on the door template.
2.
Drill the four holes (two on each end) as shown on the door template.
3.
Using the included metal screws, mount the mounting tabs.
For Wood Doors:
1.
Rout or cut a 1
5
/
8
"(42mm) deep, 5
13
/
16
" x 1
3
/
16
" (147x30mm) hole for the cavity of the
armature assembly as shown in the door template.
2.
Rout a
3
/
16
" (5mm) deep,
5
/
8
" x 1
3
/
16
" (17x30mm) hole at each end of the cavity.
Power
Supply
12VDC
24VDC
Voltage setting jumpers – Must be set
properly before connecting power.
Incorrect settings can damage the
SD-993B-SS.
Fig. 3 - Power Supply Settings and Connections
For Wood Door Frames:
1.
Rout or cut a 1
1
/
16
" (27mm) deep,
5
13
/
16
"x1
3
/
16
" (147x30 mm) hole for
the cavity of the magnet assembly
as shown in the door frame
template.
2.
Rout or cut a
3
/
16
" (5mm) deep,
5
/
8
"x1
3
/
16
" (17x30 mm) hole at each
end of the cavity.
3.
Run the wires.
Installation – Cut the Door Frame (Continued):
Installation – Cut the Door:
Control Device
N.C. contact or relay or keypad
Line
