Von Duprin 3349A/3549A 105584

User Manual: Von Duprin 3349A/3549A Installation Instructions

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*23970726*

33/3549A
CS 33/3549A

23970726

This instruction covers new installation of the 33/3549A
concealed vertical device for aluminum and hollow metal
doors.
Also covered is the CS 33/3549A retrofit cabling system
for converting 33/3547A Series to 33/3549A Series
(compatible with models 33/3547A, 33/3547A-F,
33/3547A-LBR, and 33/3547A-F-LBR).

Installation Instructions

HM
HM
AL

2-Point
Latch
includes
these
additional
parts

1-Point
Latch
(LBL)

HM
AL =
HM =
RF =

for Aluminum Door applications
for Hollow Metal Door applications
for Hollow Metal Door Retrofit applications

Customer Service
1-877-671-7011

www.allegion.com/us
© Allegion 2015
Printed in U.S.A.
23970726 Rev. 10/15-j

Identify Cables and Locations.

(if not preinstalled in door)

NOTE: For retrofit installations,
begin at Step 5.

CABLE IDENTIFICATION (STANDARD SIZES)

A
For easy identification,
each cable is labeled
with part number and
location.

HOLLOW METAL AND
WIDE STILE ALUMINUM DOORS

23926207

23925803

23926215

23926173

23925761

23926173

23925647

23926058

23925647

23926058

23925522

23925936

23925522

23925936

23925407

23925811

23925407

23925811

Door Opening
Height

Top Cable (Red)

Bottom Cable (White)

6' 8"

23925795

7' 0"

23925761

8' 0"
9' 0"
10' 0"

NARROW STILE
ALUMINUM DOORS
Top Cable (Red) Bottom Cable (White)

Install Cable(s).

a. Position red cable end to clip on center slide

Red

clip

For 2-Point Latch Only
!

b. Pull cable into clip to snap it into place

IMPORTANT:

e. There is an adjuster on one end of the white cable. Install this end to the
remaining top latch position (marked as white)
! IMPORTANT:
adjuster

Ensure cable end is
fully seated in clip
White

Ensure cable end is
fully seated in clip

c. Push cable snap against center slide to secure cable
cable snap
f. Install opposite end of white cable to bottom latch

c
f

d. In the same way, install opposite end of red cable to top latch in the
position marked red

CABLE REMOVAL
A cable removal tool has been provided. Slot in tool fits over cable,
holding tabs down. Pull on cable snap to loosen cable for removal.
cable
snap

slot

a
b
2

Determine if Bottom Latch Retraction Adjustment is
Necessary.
For 2-Point Latch Only

Adjust Bottom Latch Retraction (if necessary).
For 2-Point Latch Only
!

a. Flex the cable into an L-shape as shown to simulate the installed
condition of the latches.

NOTE: Adjustment must be made while the top
latch is in the hold-open position, with cable
flexed into an L-shape to simulate the installed
condition of the latches.

These (2) hex
components
are used to
make the
adjustment.

sleeve

snap-fitting

a. Pull back and hold the spring-loaded sleeve.
top latch

b. To determine whether an adjustment is required, actuate the top
latch to the hold-open position by pressing down on the connecting
rod. Bottom latch should retract to within ¹⁄₁₆" of flush. If it does not,
an adjustment is necessary.

b. While holding the sleeve in place, rotate the barrel of the snap-fitting
clockwise by hand until the bottom latch is retracted to within ¹⁄₁₆" of
flush.

If no adjustment is
needed, proceed
to Step 5.
press
¹⁄₁₆"
flush
snap-fitting

top latch
(hold-open
position)

bottom latch
(retracted)

c. Slowly release the sleeve, confirming it has seated over the hex end of
the snap-fitting.

If Retrofit Installation

a. Remove device
from existing
door.

b. Remove and
discard existing
door.

c. Remove and
discard existing
strikes.

Assemble Latch Mounting Brackets.
Hollow Metal
³⁄₄" mounting
shown

Top
3/4"

With Door Laying Flat, Draw Horizontal and Vertical
Device Center Lines ( ).

1/4"

3/4"

1/4"

See template
for Backset

Top Door Channel

Bottom
For 2-Point Latch Only

RHR shown
(LHR opposite)

NOTE: Centerlines are predetermined by cutout. If no
cutout exists, refer to templates at the back of this
instruction to determine centerlines.

Align Paper Template to Mark and Prepare Door, if
Required.

Prepare Access Hole for Bottom Latch Adjustment
Pin.
Hollow Metal For 2-Point Latch Only
Door

See pages 11 and 12
for paper templates.

Door

4¹⁄₄" depth
clearance
required

³⁄₄" Dia.
hole

⁵⁄₈" from
push
side of
door

⁵⁄₈" from
push side
of door
3¹⁵⁄₁₆"

Bottom of Door

Door Edge
RHR

Door Edge
LHR

RHR shown
(LHR opposite)

If Necessary, Prepare Door for Top Strike Cutout.
1¹⁄₄"

Cut out material
this side only

If Using 360/386/388 Thru-Bolting Trim, Remove
Center Slide Mounting Nut.

Thru-bolting trim
uses standoffs
(360L trim shown)
Latch

⁹⁄₁₆"

Push side of door, RHR shown

Prepare Top of Door for Latch Mounting.
Aluminum
Latch

⁷⁄₃₂" Dia. x2
82˚ Csk to ³⁄₈" Dia.

3⁷⁄₁₆"

1¹⁄₂"

³⁄₈" socket
with ¹⁄₄" drive
center slide
mounting nut

Push Side of Door

mounting nut has
left-handed
threading

Prepare Bottom of Door for Latch Mounting.
Aluminum For 2-Point Latch Only
Latch

⁷⁄₃₂" Dia. x2
82˚ Csk to ³⁄₈" Dia.

2¹⁄₄"

1¹⁄₂"

Push Side of Door

Slide Latch and Center Slide Assembly thru Door.

!
!

NOTE: Confirm top latch (and bottom latch, if applicable) is in correct orientation before proceeding.

NOTE: It is normal for the
cable to bend inside the door,
forcing the latch outward.

1-Point Latch (LBL)
Top
Holes should face
push side of door

2-Point Latch
Top
Holes should face
push side of door

Aluminum Door application shown

Holes should face
push side of door

Secure Center Slide to Door.

Align Bottom Latch and Install Mounting Screws.
Aluminum For 2-Point Latch Only

Secure center slide to
door by lightly
tightening lower screw

Align upper hole
visually

Insert small screwdriver
into upper hole to
prevent center slide
from rotating

Fully tighten lower
screw

Secure Top Latch with 2 Screws.
Aluminum

Install Bottom Latch Mounting Bracket Assembly.
Hollow Metal For 2-Point Latch Only

#25

NOTE: Confirm correct orientation of
assembly before proceeding. Open side of
housing should face pull side of door.
Push Side
of Door

#10-24

If using
³⁄₄" undercut door
!

NOTE: Use 2 screws per
bracket (center hole not
used for this application).

spacer blocks (2)
are required
Spacer Block Kit
(24231516)
purchased separately

Insert Latch Adjustment Pin to Hold Bottom Latch
in Place.
Hollow Metal For 2-Point Latch Only

If Necessary, Cut Device.
Door
Jamb

Pin must
go thru
both sides
of bracket

22
Jamb

1¹⁄₂" (38 mm)
Recommended

Temporarily Remove
Anti-Rattle Clip
Bottom edge of latch
housing should be flush
with bottom of door (for
³⁄₈" standard undercut)

Cover Plate
Flush

23
Squeeze tabs on
cap, then insert pin

Assemble pin

Attach Center Case to Door.
Block may need to
be pushed down
to insert screw

Top mounting screw is secured
into upper hole of center slide

Secure Top Latch Mounting Bracket.
Hollow Metal

NOTE: If using 360/386/388
trim, this screw will pass
thru top center slide hole
and secure directly into trim.

NOTE: It is normal for
the cable to bend
inside the door, forcing
the latch outward as
shown here.

Thru-bolting Trim

Sex Bolt

#25
#10-24

NOTE: Use 2 screws per
bracket (center hole not
used for this application).

(1³⁄₄" door)

Hang Door on Frame.

(1³⁄₄" door)
(2¹⁄₄" door)

CAUTION: For 2-point latches, bottom latch cannot be in locked
position while hanging door on frame. Latch must be retracted.

(2¹⁄₄" door)
(Bottom hole only)

Mark and Prepare 2 Holes.

Surface Mount (metal doors only)
#25

If Retrofit Installation, Install Steel Cover Plate to
Cover Existing 338 Strike Opening in Accordance
with the Frame Manufacturer’s Fire Listing.

#10-24

b
Strike Filler Plate
(3FP0116A001-GL)
purchased separately

Sex Bolts
¹⁄₄" (device side)

¹³⁄₃₂" (trim side)

Install 2 Top Strike Screws Using the Slot Features
on the Strike.

Install End Cap Bracket and End Cap.

249 Top Strike

(metal)
Surface Mount or Sex Bolts
(1³⁄₄" door)

(wood)

Sex Bolts
(2¹⁄₄" door)

Retrofit installation

Prepare Floor for Bottom Strike.
Hollow Metal For 2-Point Latch Only
Pull Side

If New Installation, Prepare Door Frame for Top
Strike.
Latch

Edge
of
stop

Latch
Chisel out pocket
¹⁄₂" Deep

⁷⁄₈"

Metal
¹⁄₂"

#25 x ¹⁄₂" Deep x2
#10-24

¹⁄₂"
Use strike to
mark location
of 2 holes

Wood
¹⁄₈" Drill
Pilot 1" Deep x2

⁷⁄₈"
³⁄₈" Dia. x 1¹⁄₄" Deep
2 places

Push Side

Install Bottom Strike.
Hollow Metal For 2-Point Latch Only

Install Lift Finger and Retainer Clip.
NOTE: The lift finger installation and adjustment must be performed
while the latches are in the extended (latched) position.

Clear holes of debris, then
drop in anchors (slotted end
first)

Secure the anchors using a
hammer and punch

Slide L-shaped lift finger thru block in
device center case and then into
center slide
For 2-Point Latch Only

IMPORTANT:
Anchors must
be below flush.

Push cable to the side
so it does not interfere
with lift finger.

Insert adjustment
screw through top
slot and rotate
with screwdriver
to raise lift finger
until it is snug
against block

a
b

Lift finger must insert
into center slide here
Install retainer clip against
lift finger, snapping it
into the slot of the
adjustment screw

Install strike plate and secure
with 2 screws

Secure lift
finger and
retainer clip
with screw

slot

349 Bottom Strike

33
!

NOTE: Lift finger adjustment must be performed while
the latches are in the extended (latched) position.

Loosen retainer clip
screw

Prepare Threshold.
Aluminum For 2-Point Latch Only

Adjust Lift Finger.

Loosen adjustment
screw until the lift
finger drops and
you feel contact
with the center
slide

a. After closing door with bottom latch installed, mark the location the
bottom latch bolt is contacting the threshold.
b. Drill a ³⁄₄" diameter hole in the threshold.

Latch bolt

Tighten retainer clip
screw
³⁄₄" Dia.

Latch

Stop

Perform Functional Test of Door.

a. Depress pushbar. Door should begin to open when pushbar is nearly
fully depressed. If necessary, refer to Step 33 to readjust lift finger.

Adjust Top Strike as Necessary, then Install the
Third Strike Screw to Fix the Strike Position.
Metal

b. With door closed, top latch should be secure.

#25 x ¹⁄₂" Deep

For 2-Point Latch Only

#10-24

c. With door closed, bottom latch should be secure.
OR

d. Confirm that bottom latch does not drag against floor when door is
opened.

Wood
¹⁄₈" Drill
Pilot 1" Deep

Hollow Metal For 2-Point Latch Only
If this occurs, remove latch adjustment pin and raise latch, then reinsert
pin in next notch.

(metal)

Pin must go thru
both sides of bracket

(wood)

Install Center Case Cover.

Remove protective film
from pushbar

Squeeze tabs
on cap before
reinserting pin

To remove pin, slide a
screwdriver beneath the
latch adjustment pin cap

OPTIONAL EQUIPMENT
CD (CYLINDER DOGGING)
Std. mortise
cylinder

1. Remove mortise cylinder cam and reinstall in reverse (Figure 1).
2. Insert key and rotate cam to install the cylinder to the cover plate (Figure 2).
3. Remove key to slide cover plate in position in the mechanism case.

CD function conversion
Std. mortise
cylinder

Std. mortise
cylinder

Offset toward
pushbar

Cylinder collar

Dogging plate
cover

Mortise
cylinder cam
Mortise
cylinder cam

Figure 1

Cylinder
locking washer

Cylinder
locking nut
Mechanism
case

Dogging procedure
Turn cylinder key approximately ¹⁄₈
turn for standard dogging
Depress pushbar

Figure 2

ALUMINUM AND HOLLOW METAL
DOORS - RHR
33/3549A Device Template

RHR

C
L Device
A = stile width

B = backset
33/3549A

Installation

pair of doors

¹⁄₄"
single door
!

A
2¹⁄₈" to 2³⁄₄"
2³⁄₄" to 3³⁄₄"
3³⁄₄" to 5"
5" to flush
2¹⁄₂" to 3³⁄₄"
3³⁄₄" to 5"
5" to flush

B
1³⁄₁₆"
1¹⁄₂"
1⁷⁄₈"
2¹⁄₂"
1¹⁄₂"
1⁷⁄₈"
2¹⁄₂"

NOTE: Consult aluminum
door manufacturer to confirm
backset compatibility.

Device Side
only

33/3549A-F
A
3⁵⁄₈" Min.

B
2³⁄₄"

• Use of outside trim may alter minimum
stile requirement. See trim template.

2⁷⁄₈"
8³⁄₁₆"

Aluminum Door
¹⁄₄" Dia. (Device Side only)
82° Csk to ⁷⁄₁₆" Dia.

6¹⁄₄"

1⁵⁄₈"

Hollow Metal Door

1⁵⁄₁₆"
⁷⁄₈"

¹⁄₄" Dia. (Device Side only)
82° Csk to ³⁄₈" Dia.

⁷⁄₈"

CL Device
⁷⁄₈"

Sex Bolt (for bottom hole only)

1⁵⁄₈"

3¹⁄₈"

⁵⁄₁₆" (device side)

¹⁄₄" Radius
(4 places)

2⁷⁄₈"

¹³⁄₃₂" (trim side)

⁵⁄₁₆" (device side)

D
Device Side
only
39⁵⁄₈"
to
finished
floor

(Screw will tighten directly
into center slide)
OR

Thru-Bolting Trim

C
D

¹⁄₈" Radius
(8 places)

⁵⁄₁₆" (device side)
¹⁄₂" (trim side)

¹³⁄₁₆"
¹⁹⁄₃₂"
¹³⁄₃₂"

LHR

Device CL

B = backset
A = stile width

ALUMINUM AND HOLLOW METAL
DOORS - LHR
33/3549A Device Template

33/3549A
Installation
pair of doors

single door
!

A
2¹⁄₈" to 2³⁄₄"
2³⁄₄" to 3³⁄₄"
3³⁄₄" to 5"
5" to flush
2¹⁄₂" to 3³⁄₄"
3³⁄₄" to 5"
5" to flush

B
1³⁄₁₆"
1¹⁄₂"
1⁷⁄₈"
2¹⁄₂"
1¹⁄₂"
1⁷⁄₈"
2¹⁄₂"

X
¹⁄₄"

NOTE: Consult aluminum
door manufacturer to confirm
backset compatibility.

Device Side
only

33/3549A-F
A
3⁵⁄₈" Min.

B
2³⁄₄"

• Use of outside trim may alter minimum
stile requirement. See trim template.

2⁷⁄₈"
8³⁄₁₆"

Aluminum Door
¹⁄₄" Dia. (Device Side only)
82° Csk to ⁷⁄₁₆" Dia.

1⁵⁄₈"

Hollow Metal Door

6¹⁄₄"

1⁵⁄₁₆"

¹⁄₄" Dia. (Device Side only)
82° Csk to ³⁄₈" Dia.

⁷⁄₈"

CL Device
⁷⁄₈"

Sex Bolt (for bottom hole only)

1⁵⁄₈"

⁵⁄₁₆" (device side)

¹³⁄₃₂" (trim side)

¹⁄₄" Radius
(4 places)

2⁷⁄₈"

3¹⁄₈"

⁵⁄₁₆" (device side)

(Screw will tighten directly
into center slide)

Device Side
only

Thru-Bolting Trim

C
D

⁵⁄₁₆" (device side)
¹⁄₂" (trim side)

¹⁄₈" Radius
(8 places)

X
¹³⁄₁₆"
¹⁹⁄₃₂"
¹³⁄₃₂"

39⁵⁄₈"
to
finished
floor

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