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8900 EMF

(NO DETECTOR)

Each (HO) hold open unit contains a door closer and track assembly with hold open electromagnet.  

The unit can be connected directly to a fire control panel.

1

Read entire instruction sheet prior to installation and refer to NFPA 72E. Standards may be obtained from 

    THE NATIONAL FIRE PROTECTION ASSOCIATION, Batterymarch Park, Quincy, MA., 02269. 

2

.

 Reference unit carton for mounting style and voltage.

3

.

 Prepare door and frame for fasteners using the appropriate template. Mark, drill and tap holes as indicated.

    If surface wiring is used, omit 7/8" hole for wire access.

4

5

Install closer to door.

8900PT

8900T AND 8900DE

HINGES

(LEFT HAND DOOR)

(RIGHT HAND DOOR)

CL

HINGES CL

(4)

QTY

(4)

WOOD FRAMES

METAL FRAMES

QTY

C HINGES

L

HINGES LC

(LEFT HAND DOOR)

(RIGHT HAND DOOR)

T & DE (RH)

T & DE (LH)

NOTE: NO TOP PLUG 

 ON PT MOUNTS 

surface wiring installations. 

the installation type. Any access hole can be used for 

Remove (1) wire access plug according to 

SURFACE WIRING

NOTE: 

Three access wire

holes on optional

surface wired units only.

INSPK NO. 08279520 Rev 08/13

www.dorma-usa.com    1-800-523-8483

INS NO.

Rev.

08281000

08/13

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