Dorma 8900 DS User manual

OPTIONS SUPPLIED)
utilizing full size template.
Determine hand of door. Prepare door and frame
(REFERENCE UNIT CARTON FOR ACCESSORIES AND
LISTINGS.
LEFT HAND
IDENTIFIED IN THE INDIVIDUAL DOOR MANUFACTURER'S
DOORS, UNLESS AN ALTERNATIVE METHOD IS
WOOD OR PLASTIC FACED COMPOSITE TYPE FIRE
OF COMPONENTS TO UNREINFORCED DOORS AND TO
CAUTION: SEX NUTS ARE REQUIRED FOR ATTACHMENT
REVERSE BEVEL
RIGHT HAND DOOR
LEFT HAND DOOR
REVERSE BEVEL
RIGHT HAND
INSPK NO. 08280490 Rev.09/09
41
2
(PLATE TO BRACKET)
(BRACKET TO TRANSOM)
(4)
PARALLEL ARM MOUNT
8900 DS, DST, DSK X FTHD
adjustment facing hinges.
Attach closer to door or plate with spring
(LEFT HAND DOOR)
HINGESC
3
PLATE
METAL DOORS or SN1 (Sex Nuts)
WOOD DOORS
(RIGHT HAND DOOR)
QTY
(4)
(4)
QTY
QTY
(4)
HINGES
L
C
SN1 (Sex Nuts)
QTY
METAL DOORS or
(4)
as shown.
(4)
QTY
(RH DOOR)
WOOD DOORS
(LH DOOR)
DP89 Plate applications only. Attach plate to door
5
Install transom bracket and soffit plate.
(5)
QTY
L
AND ACCESSORY PLATE DP89
QTY
Assemble soffit plate.
(LEFT HAND ASSEMBLY SHOWN)
1/4" HEX WRENCH
SOFFIT PLATE
FILLER PLUG
ARM STOP
to seat tightly. Insert filler plug in opposite hole.
Insert 1/4" hex wrench into arm stop and turn
arm stop. Thread arm stop into appropriate hole.
Determine hand of door, slide rubber stop onto
RUBBER STOP
1 of 3
INS NO. Rev.
08280491 09/09
PAGE
www.dorma-usa.com 1-800-523-8483

76
8
45°
Rotate pinion 45° TOWARD HINGE edge of door.
pinion.
Place wrench on bottom
Install main arm
C
L HINGE
NOTE: LEFT HAND DOOR
INSTALLATION SHOWN.
RIGHT HAND IS A MIRROR IMAGE.
6mm HEX KEY
45°
WASHER
PINION
ROTATE
PINION SCREW
PINION
arm onto top pinion. Fasten securely with
With main arm parallel to door, place main
pinion screw and washer.
Adjust according to chart.
ADJUSTER
FULL TURNS
OF SPRING
0
+4
+12
FULL TURNS
OF SPRING
ADJUSTING NUT
ADJUST SPRING TENSION ACCORDING TO THE FOLLOWING CHART.
8916
8956
CLOSER
ULC LABELED UNITS ONLY
TYPE
200
200 6
5
6
0
SIZE
SPRING
DOOR
WEIGHT
150
100
125
MAX.
3
4-12
NON-BARRIER-FREE OPENINGS -
3'-6"
3'-6"
3'-0"
2'-6"
EXTERIOR
TYPE
8916
8956
CLOSER
INTERIOR
2'-6"
4'-0"
3'-6"
3'-0"
4'-0"
-
+4
0
+12
-12
0
DOOR WIDTH
5
6
6
3
4
SPRING
SIZE
Take an opening force reading from
the pull on the door. If required, adjust the spring tension
to meet the barrier-free requirement. Maximum number of
adjusted to meet barrier-free forces may not have sufficient
power to reliably close and latch the door.
turns counter clockwise=8. Maximum number of turns
clockwise =14. Depending on opening conditions, a door
BARRIER-FREE OPENINGS -
8916 ONLY ADJUSTER
Adjust spring tension, if required, using a 1/4" wrench.
8956 supplied with size 6 setting.
8916 supplied with size 4 spring setting.
SPRING TENSION
CRITICAL
NOTE:
+
-
5
-6
3'-6"3'-0"
-6
5
150
-4'-0" +6 6+
+6
6+250
BACKCHECK OR DELAYED ACTION
DECREASE
and less intensity for doors opened slower. Closing the
control when extra time is required to pass through
Optional delayed action offers additional closing speed
advances the backcheck range approximately 15°.
backcheck positioning valve (clockwise turns)
the door. All valve adjustments are made with a 3/32"
CAUTION: DO NOT REMOVE VALVES.
DELAYED ACTION
BACKCHECK RANGE
SWEEP (SPEED)
INCREASE
(SPEED)
LATCH
RANGE
(TIME)
ACTION
DELAYED
hex key.
SWEEP & LATCH
POSITIONING VALVE
BACKCHECK (INTENSITY)
RANGE
LATCH
SWEEP
RANGE DECREASE
INCREASE
door and objects behind the door. Thinking backcheck
feature provides full intensity for doors opened quickly
should take a minimum of 1.5 seconds. Backcheck
under control during the opening cycle protecting the
intensity should be adjusted to insure that the door is
Closing time from 15° to fully closed (latch range)
generally adjusted to take a minimum of 3 seconds.
Closing time from 90° to 15° (sweep range) is
Adjust sweep, latch and backcheck valves.
08280491 2 of 3 09/09
INS NO. PAGE Rev.

SNAP VALVE ADJUSTMENT
WRENCH INSIDE COVER
Place tab in cover slot opposite main arm.
Place cover over closer and fasten securely with
screws provided.
QTY
TAB
(2)
NOTE: LEFT HAND INSTALLATION SHOWN.
RIGHT HAND IS A MIRROR IMAGE.
910
until mechanism locks onto ball on plate.
Engage DST/DSK with turn. Open door
(HOLD OPEN UNITS ONLY)
1/8" HEX WRENCH
(DST)
(DSK)
KEY TURN
THUMB TURN
BALL
NOTE: TIGHTEN DST/DSK UNTIL
HOLD OPEN FORCE DESIRED
08280491 3 of 3 09/09
INS NO. PAGE Rev.