Installation - SECO-LARM SD-993B-SS Installation Manual

ELECTRIC SHEAR LOCK Installation Manual
WIRING (see Fig. 3)
1. Set for power supply type
(12VDC or 24VDC) —
Use the jumpers to set voltage setting.
2. Connect to power —
One terminal positive, one to negative
(non-polarized)
INSTALLATION —
CUT THE DOOR
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.)
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.
4. (For hollow metal doors)
a. Cut out the rectangular piece of metal as shown on the door template.
b. Drill the four holes (two on each end) as shown on the door template.
c. Using the included metal screws, mount the mounting tabs.
5. (For wood doors)
a. Rout or cut a 1
of the armature assembly as shown in the door template.
b. Rout a / " (5mm) deep,
3
16
Fig. 4 Lining up magnet assembly and armature assembly
Adjust armature
screws to
compensate for
the gap between
door and frame.
Armature
Max. 2mm
adjustment
gap
screw
Page 4
/ " (42mm) deep, 5
5 13
8
/ " x 1 / " (17 x 30 mm) hole at each end of the cavity.
5 3
8 16
7 1/8" (180mm)
5 13/16" (147mm)
MAGNET ASSEMBLY
Locking bolts
Push-off
button
ARMATURE ASSEMBLY
Fig. 3 - Power supply settings and connections
N.C. contact or relay or keypad
Voltage setting jumpers - - must be
12VDC
set properly before connecting
power. Incorrect settings can
damage the SD-993B-SS.
24VDC
/ " x 1 / " (147 x 30 mm) hole for the cavity
3
16 16
Armature
adjustment
screw
SECO-LARM U.S.A., Inc.
Power
Supply
Control Device
Note — When
mounting vertically,
disassemble the
armature assembly
and add extra
springs for better
push-off.