Assa Abloy 281 Series User manual

Legacy Friction Hold Open Arm

NOTE: Legacy FHO

arm has installation

orientation.See

80-9300-0010-000,

available online.

H8 Mortise Friction Hold Open Arm

NOTE: H8 arm is handed same as door.

See template A7233, available online.

PH4 Friction Hold Open Arm

NOTE: PH4 parallel arm is used for flush

frame applications. See template A7229,

available online.

To Determine Your Hand of Door:

LEFT

HAND

DOOR

RIGHT

HAND

DOOR

Right Hand

Reverse

Left Hand

Reverse

Tools Needed

To Identify Your Closer:

Model ID:

+ = optional DA

Manufacture Date:

Week / Year

Top Jamb Mount

Closer mounts on frame of stop side of door

Right Hand Door - RH

Left Hand Door - LH

Parallel Arm Mount

Closer mounts on stop side of door

Right Hand Door - RHLeft Hand Door - LH

Standard Mount

Closer mounts on hinge side of door

Right Hand Door - RH Left Hand Door - LH

Included

Components

Screw

Pack

1/8" Hex

Wrench

281 Case

Plastic or

Metal Cover

Removable

Insert

Mounting

Bracket

Foot Bracket

Used with PH9

Parallel Arm Only

Foot

Assembly

Main Arm &

Swivel Assembly

Swivel Arm

Screw

Foot

Dial

Dial Screw

Arm

Mounting

Screw

1-800-727-5477 • www.sargentlock.com

A7313E 12/22 Rev 5

Installation Instructions

281 Series

Non Handed Door Closer

281 Series Hold Open Arm Models (25-H, 25-HZ, 25-HZA, 25-PH9), Adjustable from Sizes 1 thru 6, Complies with ADA Requirements.

express written permission ofSARGENT Manufacturing Company is prohibited. Patent pending and/or patent www.assaabloydss.com/patents.

Approved 2022-12-08

yFor special applications, a separate door and frame preparation

template is packed with these instructions. Use this instruction

sheet for installation sequence and closer adjustments only.

yDoors should be hung on ball bearing or anti-friction hinges.

yA separate door stop is recommended.

yAlways consult door/frame manufacturer for fastener compatibility.

yDoor and frame must be properly reinforced.

yAdjust closing time speed between 3 and 6 seconds from 90°

to Close. Greater closing times may be required for elderly or

handicapped.

yDO NOT install closer on exposed side (weather side) of exterior

doors. Warranty will be void.

yDimensions are given in inches (millimeters).

ATTENTION:

An incorrectly installed or improperly adjusted door closer can

cause property damage or personal injury. These installation

instructions should be followed to avoid the possibility of

misapplication or misadjustment.

Accessories

Mortise Nut and Screw Detail

Top jamb and corner bracket applications: Door closer

foot will be attached to the door in a manner similar

to that shown for mounting the case.

Appropriate mortise nuts and screws will be supplied

based on door thickness.

Door construction must provide a bridge type

reinforcement to prevent the door rail from collapsing

when screws are tightened.

If distance between door stop and center of mortise nut head is less than

7/8" (22mm), stop must be cut to clear head or head must be recessed.

281W Corner Bracket

Standard Mount

(secured to jamb on stop side of door)

May be used to keep closer inside of

building on an exterior door or to

obtain full 180° door opening

Holes for optional

Mortise Nut mounting

*Mounting Hardware Door or Frame Drill

Case, Foot or Optional PH9 Bracket:

#12 x 1-1/2 Phillips Flat Head Self Drilling

Tapping Screw Wood 3/32" (2.38mm)

Case, Foot or Optional PH9 Bracket:

#12 x 1-1/2 Phillips Flat Head Wood Screw

Case, Foot or Optional PH9 Bracket:

#12-24 x 5/8 Phillips Flat Head Machine Screw Metal Drill #16 (.177)

Tap 12-24

Case and/or Foot:

Mortise Nut

(optional)

Hollow Metal 1/4" (6.00mm) thru

3/8" (9.50mm) door face opposite to closer

Aluminum or Wood 3/8" (9.50mm) thru

* Security Torx screws supplied upon request, not shown

281J Cover Plate

Standard or Parallel Mount

May be used when closer is mounted

on a narrow rail to improve

appearance when viewed through

glass

281B Mounting Plate

Top Jamb Mount

For low ceiling conditions

or narrow frame face

281D Drop Bracket

Parallel Arm Mount

For narrow top rail

conditions 2-1/2" (63.5)

minimum top rail required

1-800-727-5477 • www.sargentlock.com A7313E 12/22 Rev 5

281 Series

Installation Instructions

Non Handed Closer

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited. Patent

pending and/or patent www.assaabloydss.com/patents.

Approved 2022-12-08

1. Prepare door and frame.

2. Mount bracket and case to door. 3a. Remove dial

from foot.

4. Connect arms, preload spring

and tighten swivel arm screw.

3b. Install separate arms.

You’ve installed the 281 Hold Open Closer - Standard Mount.

🛑

Go to page 7 for closer adjustments and cover installation.

RH and LH:

Index mark at 2

1st

3rd 2nd

RH: Clockwise

to tighten.

LH:

Counterclockwise

to tighten.

1st

3rd

2nd

5. Set Hold Open. Keep door open in position

until dial screw secures dial.

Arm

Type Mounting Max Door

Opening **Dim A **Dim B

Holder

Standard 105° 7-3/4 (197) 13-1/4 (336.5)

Alternate *160° 4-1/2 (114) 10 (254)

NOTES:

1. IMPORTANT: Alternate mounting is recommended for ADA

compliant doors. Use Alternate mounting if door can open

beyond limits shown for standard mounting. See Data Sheet

A7226 for more template details.

2. *If butt, frame, and wall conditions permit, door will open 180°.

3. ** Dimension is taken from hinge edge of door for invisible

hinges. Butt, offset, swing clear, center hung or invisible hinges.

4. Use screws provided or use mortise nuts when required. See

chart on page 2.

LH and RH:

Bracket arrow UP

LH and RH:

Spring

Adjustment

Screw AWAY

from hinge

Dial DOWN

Left and Right Hand

1st

2nd

Rotate elbow

until Foot

Assembly arm is

perpendicular

to frame.

Rotating Main

arm preloads closer

spring power.

3rd

Secure arms

with Swivel

Arm Screw.

281 Standard Mount - H Arm Installation (Right Hand Shown)

Spring

Adjustment

Screw

1-800-727-5477 • www.sargentlock.com

281 Series

Installation Instructions

Non Handed Closer

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited. Patent

pending and/or patent www.assaabloydss.com/patents.

A7313E 12/22 Rev 5

Approved 2022-12-08

LH and RH:

Bracket arrow

DOWN

281 Top Jamb Mount - H, HZ, HZA Arm Installation (Right Hand Shown)

1. Prepare door and frame.

3b. Install separate arms.

You’ve now installed the 281 Hold Open Closer - Top Jamb Mount.

🛑

Go to page 7 for closer adjustments and cover installation.

Dial DOWN

Left and Right

Hand

Arm

Type

Reveal

Depth *Dim A Range of

Door Holding

Max Door

Opening

H Arm 0 to 2

(0 to 51)

9-5/16

(236.5) 80-180° 180°

HZ Arm 2-1/8 to 5

(54 to 127)

10-1/8

(257) 80-140° 140°

HZA

Arm

5-1/8 to 8

(130 to 203)

10-15/16

(278) 80-130° 130°

NOTES:

1. IMPORTANT: Use Alternate mounting if door can open beyond limits shown for

standard mounting. See Data Sheet A7247 for more template details.

2. * Dimension is taken from hinge edge of door for invisible hinges.

3. ** Dimension may be reduced to 3/8" (9.5) min. if rail on top casing is narrow or low

ceiling condition exists. Foot should be moved accordingly.

4. Use screws provided or use mortise nuts when required. See chart on page 2.

1st

2nd

3rd

Rotate elbow

until Main arm

is 45° to frame.

Rotating Main arm

preloads closer spring

power.

3rd

1st

3rd

1st

2nd

RH: Clockwise

to tighten.

LH: Counterclockwise

to tighten.

2nd

5. Set Hold Open. Keep door open in position

until dial screw secures dial.

4. Connect arms, preload spring

and tighten swivel arm screw.

Secure arms

with Swivel

Arm Screw.

2. Mount bracket and case to frame. 3a. Remove dial

from foot.

LH and RH:

Spring Adjustment

Screw AWAY from

hinge

RH and LH:

Index mark at 2

Spring

Adjustment

Screw

1-800-727-5477 • www.sargentlock.com A7313E 12/22 Rev 5

281 Series

Installation Instructions

Non Handed Closer

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited. Patent

pending and/or patent www.assaabloydss.com/patents.

Approved 2022-12-08

281 Parallel Arm Mount - PH9 Arm Installation (Right Hand Shown)

1. Prepare door and frame.

5. Install foot assembly to foot bracket

and case to mounting bracket.

Dial DOWN

Left and Right Hand

4. Remove dial

from foot.

Max Door

Opening

**Dim

120° 4-1/2

(114)

10-1/2

(267)

*180° 1-5/8

(41)

7-5/8

(194)

NOTES:

1. *Do not use this mounting for swing clear hinges.

2. ** Dimension is taken from hinge edge of door for

invisible hinges. Butt, offset, swing clear, center hung

or invisible hinges.

3. ***Dimension may be reduced by 1/2" (13) to avoid

door trim.

4. Use screws provided or use mortise nuts when

required. See chart on page 2.

LH and RH:

Bracket arrow UP

LH and RH:

Spring Adjustment Screw TOWARDS hinge

2. Close latching speed and

closing speed valves.

3. Install foot bracket to frame stop and

mounting bracket to door.

IMPORTANT

Latching

Speed

Closing

Speed

6. Rotate bottom case spindle.

Wrench or main

arm may be

used to rotate

spindle.

Spring

Adjustment

Screw

1-800-727-5477 • www.sargentlock.com

281 Series

Installation Instructions

Non Handed Closer

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited. Patent

pending and/or patent www.assaabloydss.com/patents.

A7313E 12/22 Rev 5

Approved 2022-12-08

Left Hand

Door

Right Hand

Door

Index Mark

on Spindle

Index Mark

on Spindle

You’ve now installed the 281 Hold Open Closer - Parallel Arm Mount.

🛑

Go to page 7 for closer adjustments and cover installation.

7. Attach Main arm as shown. 8. Open latching speed and closing speed valves.

9. Connect arms, preload spring and

tighten swivel arm screw.

10. Set Hold Open.

Do not completely

open valves. Valves

will leak.

Arm under

tension. Keep

fingers away from

moving parts.

1st

2nd

3rd

4th

Rotating arm

preloads closer

spring power.

Keep door open in position

until dial screw secures dial.

1st

3rd3rd

2nd

RH: Clockwise

to tighten.

LH: Counter-

clockwise to

tighten.

2nd

1st

2nd

RH: Position

index mark at 5

LH: Position

index mark at 4

Latching

Speed

Closing

Speed

281 Parallel Arm Mount - PH9 Arm Installation continued (Right Hand Shown)

1-800-727-5477 • www.sargentlock.com A7313E 12/22 Rev 5

281 Series

Installation Instructions

Non Handed Closer

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited. Patent

pending and/or patent www.assaabloydss.com/patents.

Approved 2022-12-08

Latching Speed Backcheck

Closing Speed

Cover Mounting

Screw Hole

Delayed Action

(Optional)

Standard Mount shown

Parallel Arm Mount similar

Use provided 1/8" hex wrench to turn valves.

NEVER force valves out of closer.

NEVER completely close backcheck valve.

NEVER use backcheck as a door stop.

Closer Adjustments

281 Hold Open Closer

Do not over tighten

cover screws.

Place removable insert in

unused cover opening.

Cover Attachment

Door must be open to adjust spring closing

power. Use 1/4" Allen wrench to turn screw.

Do not use a power drill. Warranty will be

void.

Adjust closing time speed between 3

and 6 seconds from 90° to Close. Greater

closing times may be required for elderly or

handicapped

If interior doors do not have to comply with

ADA requirements, exterior door settings

are recommended. Where strong drafts

exist, increase spring power as needed by

turning spring adjustment screw clockwise.

If necessary, reduce spring power by turning

screw counterclockwise.

Top Jamb Mount

Cover Mounting

Screw Hole

Number of Spring Power Nut Turns From Factory Setting

(Use as Guide ONLY)

Door

Width

Exterior Interior

Standard/

Top Jamb

Parallel Standard/

Top Jamb

Parallel

24" Factory Set 2-7 CW

1-5 CCW 1-5 CCW

30" 1-5 CW

32" 7-11 CW

36" 5-8 CW

40"

11-15

Factory Set

42" 8-13 CW Factory Set

44"

1-8 CW46" 13-15 CW 15-17

CW 1-5 CW

48"

over 48" up to 19 CW 5 CW & up 8 CW & up

Insert

1-800-727-5477 • www.sargentlock.com

281 Series

Installation Instructions

Non Handed Closer

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited. Patent

pending and/or patent www.assaabloydss.com/patents.

A7313E 12/22 Rev 5

Approved 2022-12-08

A7313E 12/22 Rev 5

Attention Installer: Improper installation

may result in damage to the product and

void the factory warranty.

WARNING

This product can expose you to lead which is known to the state of California to

cause cancer and birth defects or other reproductive harm. For more information

go to www.P65warnings.ca.gov.

1-800-727-5477 • www.sargentlock.com

whole or in part without the express written permission ofSARGENT Manufacturing Company is prohibited.

Patent pending and/or patent www.assaabloydss.com/patents.

Approved 2022-12-08

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