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120V AC 24V AC/
Figure 2. Terminal Block
Single gang
Electromagnet
outlet box
Cover
(by others)
bracket
13/16"
Figure 3. Mounting the Electromagnet Assembly
Armature Assembly Mounting
NOTE: Armature assembly must be mounted vertically
(Figure 4) to obtain correct alignment with the
electromagnet.
1.
Using a 5/32" Allen wrench, turn the contact plate adjusting screw
(Figures 5 and 6) counterclockwise to loosen the contact plate.
Top of
2 5/8" (67 mm)
door
approx.
2 3/8"
(60 mm)
1 11/16"
(43 mm)
Figure 4. Mounting the Armature Assembly
2.
Place the transfer marking points in the armature mounting holes
(Figure 4).
3.
To locate the two mounting holes in the door, hold the contact plate
centered against the magnet, open the door and press against the
transfer marking points on the armature base.
4.
Mount the armature assembly using one of the following methods:
Thru-bolt mounting (Figure 5). Center punch the two holes
a.
(at the points marked in step 3) and drill 5/16" diameter through
the door. Distance between the center points should equal 1 3/
4".
P/N 3100537 ISSUE 2
501-152500-0-01
TOP
VIEW
FRONT
VIEW
COM
DC
Electromagnet
assembly
assembly
(front view)
(side view)
4 5/8"
2 3/4"
Armature
(base view)
5" (127 mm)
Mounting holes
approx.
2 Transfer points
Lock edg
of door
Door Plate
DOOR
(2) #1/4-20 x 2"
(51 mm)
1 3/4"
screws provided
(44 mm)
for a standard
1 3/4" (44 mm)
door
Figure 5. Thru-Bolt Mounting (Cat. Series 1505 shown)
NOTE: Thru-bolt mounting is recommended for standard 1
3/4" hollow metal, hollow core or composite type
wood doors.
Secure the armature assembly, with the contact plate adjust
screw facing down, to the door as shown in Figure 5 using (2)
#1/4-20 x 2" screws (supplied)
NOTE: For 2" doors, use (2) 1/4-20 x 2-1/4" bolts.
Surface concealed mounting (Figure 6). Measure two points
b.
for 1/8" holes drilled 1/2" on center equidistant from each
marked point. Center punch the holes and drill 1/8" diameter x
1 1/4" deep. Install the concealed mounting plate using the two
#10 x 1 1/2" screws provided.
NOTE: Surface concealed mounting is not recommended for
hollow metal, hollow core, or composite type wood
doors.
Align the holes for the concealed mounting plate in the armature
base with the pins on the concealed mounting plate. Secure the
armature assembly, with the contact plate adjust screw facing
down, to the door by tightening the set screw.
5.
Align the contact plate against the electromagnet. The contact plate
must be centered and lie flat against the magnet to ensure sufficient
holding force. Tighten the contact plate adjusting screw until the
plate is firm but not set. Do not overtighten the contact plate.
6.
Recheck alignment and adjust if necessary.
7.
Adjust the door closer to exert 3 pounds of force when the door is
open and armature and magnet are in contact.
8.
Energize the electromagnet and check operation.
NOTE: The unit will not operate without electrical power.
Concealed
Door
mounting
plate
1/2"
Two #10 x 1 1/2"
screws (supplied)
Set screw.
Tighten with 6/32" Allen wrench
to secure armature onto
mounting plate.
Figure 6. Surface Concealed Mounting
(Cat. Series 1504 shown)
1 5/8"
Armature
(base view)
(41 mm)
Contact plate
adjusting screw
Mounting holes
2" (51 mm) from floor to center
Armature
(base view)
Holes for
1/2"
concealed
mounting
plate
Contact plate
Contact plate
adjusting screw
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