Solenoid draws 16 A inrush current from PS873.
Solenoid must be wired to a PS873 logic board:
}
If 871-2 logic board, refer
to Von Duprin instructions
941352.
If other 873 logic board,
refer to Von Duprin
instructions 941356.
Solenoid
Potted Circuit Board
Install after device has
been mounted on door
Do not cut device with potted
circuit board installed
Troubleshooting solenoid operation
If the solenoid fails to retract the latch bolt when power is applied, recheck wiring for
proper connections.
If solenoid retracts latch bolt momentarily but will not remain in energized position:
1. Check wiring for proper connections, guage, and distances.
2. Check for latch bolt binding caused by improper strike installation, warped door, etc.
5/8” dia.
C
L
5/16”
Electric
power
transfer
Drill 5/8”dia. wire access hole
thru device side of door.
D
1/4-20 X 3/4”
1-3/4” door
EL ADJUSTMENT PROCEDURE
A. Check for proper function:
1. Make sure device is not dogged.
2. Depress pushbar and make sure latch bolts
retracts and extends fully (see page 4, step 9 & 11).
3. Electrically energize solenoid and hold.
4. Check latch bolt(s) for full retraction (must
clear strike (see page 4, step 9 & 11).
5. Release solenoid and check latch bolt
extension (see page 4, step 9 & 11).
6. Continue to Section B if device does not
function electrically.
B. Determine if dogging rod adjustment is too long or short:
1. The dogging rod adjustment is too long if latch bolt
does not retract and clear strike (see section C for
adjustment).
2. The dogging rod adjustment is too short if latch bolt
does not fully extend or latch bolt fully retracts but
solenoid releases while energized (see Section D for
adjustment).
C. Adjust solenoid if dogging rod is too long (see Figure 3):
1. Remove end cap c and dogging cover d.
2. Loosen cap screw e.
3. Hold plunger g depressed in solenoid housing h.
Note: Push hard against plunger g to overcome
an internal spring in solenoid housing h.
4. Turned threaded bushing f in to shorten dogging
rod i so latch bolt fully retracts.
5. Tighten cap screw e.
Note: Cap screw e must be tightened against
flat on threaded bushing f. Apply a few
drops of Loc-Tite 222 to threads of cap
screw e.
6. Replace dogging cover d and end cap c.
7. Return to Section A to check for proper function.
1
2
6
Figure 3
D. Solenoid adjustment if dogging rod adjustment
is too short (see Figure 3):
1. Remove end cap c and dogging cover d.
Loosen cap screw e.
2.
3. Hold plunger g depressed in solenoid housing h.
4. Turn threaded bushing f out to lengthen
dogging rod i so plunger g just bottoms in
solenoid housing h and latch bolt is fully retracted.
Note: Push hard against plunger g to overcome
5. Tighten cap screw e.
6. Replace dogging cover d and end cap c.
7. Return to Section A to check for proper function.
an internal spring in solenoid housing h.
Note: Cap screw e must be tightened against flat
on threaded bushing f. Apply a few drops of
Loc-Tite 222 to threads of cap screw e.
35
4
7
7
F
G
H
J
1/4-20 X 1-1/4”
E
#8-32 X 1/4”
I
#10-24 X 3/4”
#10 x 1-1/2” Wood screw
#10-12 x 10-24 x 1-1/4” Combination
#10-12 x 10-24 x 1-1/4” Combination
#10-12 x 10-24 x 1” Combination
#8-18 x 3/8” Thread cutting
2-1/4” door
Metal frame
Wood frame
Metal or wood frame
Variable floor surfaces
Latch covers
Metal or wood door
Center case cover
2
CUT TOP ROD
PREPARATION CHART
1. Measure amount to cut off rod as shown below.
Note: Rod cutting is required for doors shorter than 7’.
Amount
to cut off
*84”
Actual
door
opening
height
*Rods are factory sized for 7’ (84”)
door. Measure actual door height
and subtract that number from 84”
to get amount to cut off top rod.
INSTALL ROD EXTENSION
1. Measure door opening to determine
amount to cut off rod extension.
2. Cut rod.
Drive out
roll pin
3. Drill new hole.
1/8” dia.
Use cut off
piece as a
template
drill thru
4. Reinstall rod end and roll pin.
2. Cut rod
extension.
Go to instructions on next page before using Preparation Chart
Top strike
#25 Drill
#10-24 Tap
Latches
5/16” Drill (device side)
13/32” Drill (trim side)
Metal
13/32 Drill thru
Wood
MetalWood
1/8” Drill
pilot 1” deep
*Rod guides
#25 Drill
#10-24 Tap
MetalWood
1/8” Drill
pilot 1” deep
*Use rod guide
as a template
to mark holes
Center case - 4 holes
Surface mountSex bolts or 990 trims
X
#25 Drill
Metal
#10-24 tap
C
C
L
L
1/8” Drill
pilot 1” deep
Wood
1/4” Drill (device side)
Metal
13/32” Drill (trim side)
13/32”
Wood
Drill thru
Door cut-outs
Outside cylinder applications:
Mark with template and cut-out:
Metal door (cut device side)
Wood door (cut thru)
For trim applications with working
lever, thumbpiece, or knob:
Mark with template and cut out:
(cut device side only)
If door already has this cut-out for
trim, no further cutting is necessary
Amount to
cut off
Actual
door
opening
height
*96”
OR
*120”
*Standard door heights:
With no extension7’ (84”)
With 1’ extension8’ (96”)
With 3’ extension10’ (120”)
*Rods are factory sized for
door heights shown above.
Measure actual door height
and subtract that number
from 96” (for 1’ extension) or
120” (for 3’ extension) to get
amount to cut off extension.
Drive out
roll pin
3. Drill new hole.
Use metal template
supplied with extension
(on both sides of rod)
4. Reinstall rod end
and roll pin.
1/8” dia.
drill thru
*End cap bracket - 2 holes
Surface mountSex bolts
#25 Drill
Metal
#10-24 tap
1/8” Drill
pilot 1” deep
Wood
*Prepare holes after lock side of device
is mounted and hinge side is leveled
1/4” Drill (device side)
Metal
13/32” Drill (trim side)
13/32”
Wood
Drill thru
X
Bottom strike
5. Connect top rod
and rod extension.
See template
for strike
Top rodRod extension
variations
6
#25 Drill
#10-24 Tap
MetalWood
1/8” Drill
pilot 1” deep
3
1
Draw horizontal center
line (C ) and assemble
L
device template.
2
Position template as shown
and mark vertical C.
L
3
Align top and bottom
templates along center
line, and prepare door
If using an outside cylinder,
.
4
check NL drive screw and
install tailpiece guide.
5
Install trim (if using) and
secure device center case
to door.
6
Install mounting bracket
and end cap.
C
L
39-5/8”
To finished
floor
Device
template
RHR shown
(LHR opposite)
C
C
L
L
9975 mortise
Vertical
C
L
Or flip template over for:
C
L
2-3/16”
Standard
backset
For 9927
single and
double
door
2-3/4”
backset
If using a
9927 with a
device on a
double door
See “Preparation Chart” on page 3 for
drill, tap, and cut-out information
Top
template
C
L
Plastic
template
C
L
C
L
Bottom
template
See trim instructions for pull side door
preparation. Line X-X in trim instructions
is same as vertical device C
L
NL drive screw
Note: When the
NL drive screw
is left in back of
device, the outside
cylinder will
function only
as a Night Latch.
Rotate tailpiece
guide to match
tailpiece
When installing trim that has a
functional lever, knob, or thumb
piece AND an outside cylinder
to lock and unlock the trim,
remove NL drive screw from
back of device.
DO NOT remove NL drive
screw for the following trims:
NL, EO, DT, TP-2, L-2, and K-2.
With “BE” trim, device may
need rehanded. Look for
instructions on back of trim.
Tailpiece guide
Tailpiece
1/2”
Cut tailpiece
if needed
Door
surface
1-1/2” Minimum clearance
(with end cap removed)
if device is too long for
door, see “Cut Device”
A
See “Screw Chart”
on page 2 for screw
types and sizes
on back cover
Center
case
Trim
(optional)
Mounting
bracket flush
Level device
Mark and prepare 2
mounting holes
See “Preparation Chart” on page 3
for preparation information
Secure
mounting
bracket
C
and end cap
B
7
Top
latch
D
Top rod
(longer of
the two)
If top rod is too long, see “cut
Install top latch and rod.
top rod” on page 6
If top rod is too short, see
“install rod extension”
on page 6
4
#325 sex
bolts
(required)
8
F
499F strike (for LBR Fire devices)
Install top strike.
299/299F strike
3/16”
Shim
to 3/16”
as shown
Strike plate
(299 only)
E
260U strike
See instruction 911009
Adjust top rod (screw
9
9
With door
Latch bolt
deadlocked
(will not push in)
rod into or out of latch)
until adjusted as shown.
closed:
With door
open:
Latch bolt stays
retracted
Release
trigger
extended
10
248L-4 strike
G
(as needed to
engage latch)
Bottom
rod
D
Bottom
latch
Install bottom strike,
latch, and rod.
304L strike
Grout strike
into floor
Shim
#325
sex bolts
(required)
Door open
(top latch retracted)
Adjust bottom rod with
11
should clear floor
and not bind on
Open and close door a few times
and check for deadlatching when
door open (top latch
retracted).
With door
open:
Latch bolt
strike
door is closed
Readjust rods if needed
(will not push in)
With door
closed:
Latch bolt
should be
deadlocked
12
Remove blue film
J
Install rod guides, and covers.
H
Latch
cover(2)
*Rod
guide (2)
I
Center
case
cover
Install at
midpoint of
each rod
*See “Preparation
Chart” on page 3
5
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