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P/N 3101015 ISSUE 2 © 2006
Installation Instructions for EM EXT Series
Door Holder Extension Kits
Description
The Dorma ACC, ER Series Door Holder Extension Kits are
used where it is desired to hold doors open and where a standoff
distance between the magnet assembly and the armature base
is required. The extension rod kit can be used with Dorma EM
Series Door Holders. Parts from these door holders are used
with the extension kits to form a complete unit.
Model Number Extension Range
ACC,ER 1.5 PKG 1 1/2" (38 mm) Fixed
ACC, ER 2.5 PKG 2" (51 mm) Fixed
ACC, ER 7 PKG 5-3/8 - 6-3/8" (137 - 162 mm)
ACC, ER 12 PKG 7-3/8 - 10-3/8" (187 - 264 mm)
Specifications
shown in Figure 2 or Figure 3 as applicable. If
bushings are damaged, replace with bushings supplied
with the door holder extension kit.
c. Insert the extension rod into the armature base and
secure with #10-32 x 1 1/2" (38 mm) armature securing
screw (Figures 1 - 3).
d. Insert spherical bushings (supplied) and flat washers
(supplied with EM EXT 7" and EM EXT 12" only) into
the extension rod assembly as shown in Figure 2 or
Figure 3, as applicable. Secure catch plate in
extension rod using #10-32UNF x 1" (25 mm) securing
screw (Figure 2).
e. For adjustable units only, adjust the extension length
by loosening the knurled locking nut, extending the
rod to the desired length and retightening the knurled
locking nut (Figure 2).
NOTE: Proper alignment of the catch plate and the
electromagnet helps ensure sufficient holding force.
f. Align the catch plate with the electromagnet by
moving the extension arm up or down and back or
forth while simultaenously adjusting the catch plate
against the magnet. There should be no gap between
the catch plate and the magnet.
g. After the desired extension length and contact
alignment have been achieved, perform the following
(Figure 2):
1. Using a 5/32" (4 mm) Allen Wrench (supplied),
lock the extension arm into position by tightening
the armature securing screw (Figure 2). Do not
overtighten.
h. Perform an operational check of the Electromagnetic
Door Holder as outlined in the installation instruction
provided with the door holder.
2. For more detailed information on installation of the door
holders, see the instructions supplied with the door holder.
Figure 1. Armature Base Assembly
WARNING
The extension kits project a significant distance from
the doors they are mounted on and should, therefore,
be mounted as high as possible to preclude interfer-
ence or personal injury.
Installation
1. Install the extension kit as follows.
a. Remove the #10-32 x 1 1/2" (38 mm) armature
securing screw and remove the catch plate from the
armature base (Figure 1).
b. Insert spherical bushings (removed in Step 1.a) as
DORMA Architectural hardware * Dorma Drive - Drawer AC, Reamstown, PA 17567 www.dorma-usa.com
Catch Plate
(2) Spherical Bushings
#10-32 x 1 1/2" (38 mm)
Armature Securing Screw
Note: Extension ranges published are with no catch
plate attached.
Figure 2. Extension Rod Assembly (Adjustable EX EXT 7" and EM EXT 12" Model)
P/N 3101015 ISSUE 2
Catch Plate
(supplied with door holder)
Armature Base
(supplied with door holder)
(2) Spherical Bushings
(supplied)
Extension
Assembly
(2) Spherical Bushings
(supplied)
#10-32 UNF x 1" (25 mm)
Screw (supplied)
#10-32 UNF Nut
(supplied)
#10-32 x 1 1/2" (38 mm)
Armature Securing Screw
(supplied with door holder)
Figure 3. Extension Rod Assembly (Adjustable EM EXT 1" and EM EXT 2" Model)
#10-32 x 1 1/2” (38 mm)
Armature Securing Screw
(supplied with door holder)
Armature Base (supplied with door holder)
(2) Spherical Bushings
(supplied)
(2) Spherical Bushings
(supplied)
Extension Tube
Assembly
#10-32 UNF x 1“ (25 mm)
Screw (supplied)
Knurled Locking Nut
(2) Flat Washers
(supplied)
Catch Plate
(supplied with door holder)
#10-32 UNF Nut
(supplied)
P/N 3101015 OFFSET SPEC
INSTALLATION INSTRUCTIONS FOR EM EXT
SERIES DOOR HOLDER EXTENSION KITS
(1) 8 1/2" X 11" SHEET PRINTED BOTH SIDES.
FOLD TWO TIMES TO DIMENSIONS SHOWN ON
DEETAIL WITH PART NUMBER ON THE OUTSIDE.
MATERIAL: STANDARD WHITE OFFSET STOCK
CHARACTERS: TO BE BLACK ON WHITE BACK-
GROUND
NOTE: MECHANICALS HAVE ALREADY BEEN
REDUCED TO ACTUAL SIZE.
RETURN MECHANICALS TO:
TECHNICAL WRITING
EDWARDS SIGNALING
& SECURITY SYSTEMS
41 WOODFORD AVENUE
PLAINVILLE, CT 06062
P/N 3101015
FOLD DETAIL REFERENCE ONLY
ECN: 05-C1779
Issue: 2
File: 3101015
Approved by: GM
Produktspecifikationer
| Varumärke: | Dormakaba |
| Kategori: | ej kategoriserat |
| Modell: | EM 504 |
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