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ROFU 8508-LC Installation Instructions

Key hole mount magnetic lock

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R F U
O
For Outswing Doors
1
Tem pl ate
2
3
4
Armature Plate
Hollow Metal Door
1/2"
5/16"
Drill a 5/16" (8mm) hole through the door for the armature side.
For the sexnut side (secure side), enlarge the hole to
1/2" (12.7mm) for the width of the sexnut.
On wood doors the depth of the sexnut is 1 7/16" (36mm).
Attaching Magnet to Mounting Plate
Key Hole
1. Align the two slotted holes and attach the magnet to the
mounting plate.
Copyright © ROFU Security International Corp. All rights reserved.
ROFU-8500SERIES Published on: 2016.10.07
Installation Instructions
for ROFU Key Hole Mount Magnetic Locks
8508-LC, 8508-B, 8512-LC, 8512-B, 8512-2-LC, 8512-2-B, 8512-20993
*See page 2 for model specifications
ROFU Security International Corp.
10029 S. Tacoma Way, E-11
Lakewood, WA 98499 USA
1-800-255-7638 (1-800-ALL-ROFU)
Find the paper installation template
included with the magnet (you will
need this).
Fold it on the dotted line.
Place the folded template in the
proper position on the door/jamb
and mark the holes you will cut for
your magnet and armature plate.
(Using tape will help)
Drill the holes according to the marks
you made.
(Check Twice! Drill Once!)..
Install the armature plate as
shown in the drawing to the left.
The actual dimensions of the
holes are illustrated below.
Solid Door
1 7/16"
1/2"
5/16"
www.ROFU.com
OrderEntry@rofu.com
5
Rubber Washer
6
Power Wires
7
8
Allen wrench
Power
9
Outswing Door
2. Slide the magnet onto the mounting plate.
Keyhole Mounting "slides Left to Right"
The rubber washer helps the
armature plate to pivot. As it
should NOT be tightened all the
way to door.
Attach the mounting plate to the
jamb and tighten the mounting
screws.
Pass the wiring through the
mounting plate and into the
wiring hole at the top of the
magnet and into the PCB
area.
Attach the magnet to the
mounting plate. Use the
Allen wrench and thru-bolts
to tighten the magnet to the
mounting plate.
Connect the power and test the
holding force. Add washers if
there is still a gap between the
magnet and armature plate.
1

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Summary of Contents for ROFU 8508-LC

  • Page 1 2. Slide the magnet onto the mounting plate. 1. Align the two slotted holes and attach the magnet to the Keyhole Mounting “slides Left to Right” mounting plate. Copyright © ROFU Security International Corp. All rights reserved. ROFU-8500SERIES Published on: 2016.10.07...
  • Page 2: Specifications

    - Remove any diode installed across the magnet for “spike” Sensor output is A second diode was installed suppression. (The magnet has a metal oxide varistor to not functioning across the electromagnetic lock prevent back EMF) Copyright © ROFU Security International Corp. All rights reserved. ROFU-8500SERIES Published on: 2016.10.07...
  • Page 3 For 8512-LC Wiring - ROFU recommends a good maintenance schedule! - Please ensure all armature bolts and mounting bolts are checked quarterly. - ROFU recommends using Loctite (Thread locker) on ALL BOLTS during ROFU Security International Corp. 10029 S. Tacoma Way, E-11 installation.
  • Page 4 Tb magnet minus minus Power Supply Power Supply 12VDC 24VDC ROFU Security International Corp. 10029 S. Tacoma Way, E-11 Lakewood, WA 98499 USA Copyright © ROFU Security International Corp. All rights reserved. 1-800-255-7638 (1-800-ALL-ROFU) ROFU-8500SERIES Published on: 2016.10.07 www.ROFU.com OrderEntry@rofu.com...
  • Page 5 Sexnut Bolt Sexnut Bolt Rubber Washer Mounting Bolt Metal Washer 1/2" x 1 9/16" Roll Pin 5/16" x 7/8" Sexnut Bolt Rubber Washer Armarture Plate Metal Washer Copyright © ROFU Security International Corp. All rights reserved. ROFU-8500SERIES Published on: 2016.10.07...

This manual is also suitable for:

8508-b8512-lc8512-b8512-2-lc8512-2-b8512-20993