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104954 June 19, 2020
Detex Corporation, 302 Detex Drive, New Braunfels, Texas 78130-3045
830-629-2900 / 800-729-3839 / Fax 800-653-3839 / Text photos only: 830-481-6433 / INTERNET: www.detex.com
B
INSTALLATION INSTRUCTIONS FOR 90R/F90R MULLION
Drawing: 106080
Table of Contents Page
Device parts breakdown view........................................
2
Parts list.........................................................................
3
Hardware list with part numbers & tools required..........
4
Door check....................................................................
5
Remove fittings, Mark door opening center, trial fit.......
6
Mark fitting locations, Install base fitting........................
7
Install base fitting (cont'd), Install top fitting...................
8
Secure mullion, Install strike hook.................................
9
Removing mullion, Troubleshooting...............................
10
Should you have a Question/Problem with your Detex device please call Detex Technical Support from the job site at 1-800-729-3839 and choose option 2 on our menu. Please do not return the product to the distributor.
For WARRANTY information, scan code below or go to www.detex.com/warranty
For device installation videos, scan code below or go to www.detex.com/videos
104954 - Page 1
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104954 - Page 2
Item Part No
1
2
3
4
5
6
Description
106732
106074
106087
Top fitting, Mullion, 90R
Frame spacer block
Set screw, 1/4-20 x 5/16, SS
106730-1 Mullion Channel, 90R, 7 foot
106730-2 Mullion Channel, 90R, 8 foot
106731
100217
Base fitting, Mullion, 90R
Anchor, Wedge
104954 - Page 3
Screw style
Hardware List
Description
5/16-18 X 1" PFHMS
P/N 106096
Used on
Top fitting
5/16-18 X 1-1/2" PFHMS
P/N 101147
Top fitting and frame spacer block
1/4-20 X 1" PPHMS
P/N 100980
10-24 X 5/8" PFHUMS
P/N 100112
Frame spacer block
Strike hook (If ordered)
3 /8" x 3" Wedge Anchor
P/N 100217
Base Fitting
Tools Required:
Power Drill
Level
Hammer
Tape Measure
Safety Glasses
Pencil
Combination Square
Center Punch
Allen Wrench (1/8")
Phillips Screw Drivers (#2 and #3)
Tap Wrenches (1/4-20 & 5/16-18)
104954 - Page 4
!!!CHECK BEFORE STARTING!!!
Wide Stile (Surface Strike) 99:
Minimum door stile 4-1/2" (114 mm)
Template drawings provide door and frame structural and dimensional specifications for door and frame preparation.
Narrow Stile 98:
Minimum door stile 2" (51mm)
Doors and frames with walls having a structural thickness (metal skin plus reinforcement, or solid wood) to engage less than (3) full screw threads, are considered unreinforced for hardware.
Unreinforced Doors: Use Sex Nuts and Bolts.
Unreinforced Frames: Use Blind Rivet Nuts (see sketch).
Fasteners for unreinforced openings are not supplied by Detex.
Reinforcement Reinforced door or frame engages at least (3) screw threads.
Door Skin Blind Rivet Nut
X
X
X
X
Door Must Not Sag Door Must Swing Freely Door Must Not be Warped Door Must Not Bind
NOTE: 750mm MAXIMUM DOOR WIDTH OPENING FOR EUROPE FOR 36" DEVICE
1000mm MAXIMUM DOOR WIDTH OPENING FOR EUROPE FOR 48" DEVICE
THE SAFETY FEATURES OF THIS PRODUCT ARE ESSENTIAL TO IT'S COMPLIANCE WITH EN 1125.
NO MODIFICATION OF ANY KIND, OTHER THAN THOSE DESCRIBED IN THESE INSTRUCTIONS ARE PERMITTED.
RHR Door
Horizontal
Reference
Stop Face
40"
Finished
Floor
LHR Door
104954 - Page 5
RHR Door
Inside Face LHR Door
Inside Face
Mullion
Face
STEP 1: REMOVE FITTINGS - FIND HARDWARE KIT
REMOVE TOP AND BASE FITTINGS
Loosen set-screws with 1/8 allen wrench .
Cut
BASE FITTING
Hardware kit inside tube
P/Ns:
106085-5 (90R kit)
106085-6 (F90R kit)
STEP 2: MARK CENTER OF DOOR OPENING
MARK CENTER OF THE DOOR OPENING
AT THE SOFFIT AND AT THE FLOOR
TOP FITTING
Door
Soffit
CL
Floor
STEP 3: TRIAL FIT MULLION & CUT
(IF NECESSARY)
If mullion requires cutting, position cut end to the bottom.
Top fitting
CAUTION!
Ensure mullion channel is stable
Base fitting
Finished Floor
1/8 GAP
C
Close doors firmly and trial fit the mullion.
1. Place the top fitting into mullion channel; place the mullion
channel into the base fitting, then pivot the top upward into place.
2. If mullion channel is too long, measure the distance from the
soffit to the floor. Subtract 7/8" from this measurement.
Mark and cut the mullion channel to new length.
H (Distance from soffit to floor) - 7/8" = C (Cut length of Mullion)
104954 - Page 6
NOTE: If there is a threshold, be sure to CUT the threshold
so that the base fitting is resting on the secured
non-flammable flooring.
STEP 4: MARK FITTING PERIMETER LOCATIONS
4a Position mullion firmly against closed door.
Align the top fitting with MARK made on soffit.
Align base fitting and base plate with MARK made on floor.
TRIAL fit mullion to achieve desired mullion location.
CAUTION!
Ensure mullion channel is stable
4b Tighten top & bottom set-screws snug.
1/8 allen wrench
4c DRAW a line around perimeter of base fitting and top fitting.
DOOR
4d REMOVE mullion.
Set mullion safely down.
Be sure to loosen set-screws before removing fittings.
Finished Floor
STEP 5: INSTALL BASE FITTING
PREP FLOOR FOR BASE FITTING
5a POSITION base fitting over drawn perimeter.
Align notches on fitting with center mark on floor.
5b MARK and DRILL floor at two locations.
Center mark
DRILL (2) holes for anchors:
3/8" hole x 1-1/2 to 2" deep
104954 - Page 7
Centering
Notch
5c INSTALL ANCHORS
Remove any debris from the holes (dust etc).
Back off the nuts of the anchors (p/n 100217) until they are just past flush with the ends of the bolts and tap anchors into the holes drilled in previous step.
5d INSTALL BASE FITTING
With the anchors tapped in place,
remove the nuts & washers .
Place the base fitting over the anchor bolts.
Install the washers & nuts.
Tighten nuts to engage the wedge anchors into the floor .
STEP 6: INSTALL TOP FITTING
PREP FRAME FOR TOP FITTING
6a
Center mark
POSITION top fitting over drawn perimeter.
Align notches on fitting with center mark on soffit.
INSTALL TOP FITTING
6c Assemble top fitting and mullion channel to soffit with screws provided.
6b
MARK, DRILL, and TAP the soffit at six (6) hole locations.
Tap holes with 5/16"-18 tap (#F - 0.257 drill) .
If top fitting over hangs stop,
USE FRAME SPACER BLOCK
Add a 1/4-20 Tapped hole (#7 - 0.201 drill) for installing frame spacer block
Screws
QTY: 2
5/16-18 x 1-1/2"
Screws
QTY: 4
5/16-18 x 1"
Screw
1/4-20 x 1"
Screws
QTY: 2
5/16-18 x 1-1/2"
104954 - Page 8
Frame
Spacer Block
Block designed for 5/8 stops only
Screws
QTY: 4
5/16-18 x 1"
STEP 7: SECURE MULLION
CAUTION!
Ensure mullion channel is appropriately secured
TIGHTEN set-screws to eliminate mullion channel rattle or looseness
1/8 allen wrench
1/8 allen wrench
TIGHTEN
BASE FITTING
SET-SCREW
TIGHTEN
TOP FITTING
SET-SCREW
STEP 8: INSTALL STRIKE HOOKS (FIRE RATED ONLY, IF REQUIRED)
DOOR
STRIKE HOOK
P/N 100091
EXIT DEVICE STRIKE
(NOT included with 90R/F90R mullions)
INSTALL with
(2) screws
10-24 X 5/8"
MULLION CHANNEL
NOTE: Strike hook is intended for use with Detex Fire Rated exit devices. For all other Fire Rated locking hardware, please reference the
manufacturer's instructions to determine installation requirements
1. Attach the strikes to the side of the mullion according to the template provided with the locking device to be used.
2. Attach one strike hook per door leaf according to the template provided with the locking device to be used.
3. Ensure that the strike hook engages the strike without interference to the latching mechanism.
4. Open and close the door. The strike hook should not cause friction or bind during the opening and closing cycles of the door.
104954 - Page 9
REMOVING THE MULLION CHANNEL
CAUTION!
Ensure mullion channel is appropriately supported during & after loosening/removing the top fitting screws
The top fitting must be removed before removing mullion channel
CAUTION!
Ensure mullion channel is appropriately secured
TROUBLE SHOOTING
1. If Mullion channel is too long:
a) See Step 3 for cutting the mullion channel to correct length.
2. Mullion channel rattles after door is closed:
a) Tighten set-screws in top and base fittings (See Step 7).
b) Verify base and top fittings are secured. Tighten screws as needed.
Customer Service 1-800-729-3839
104954 - Page 10

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