DORMA 8656 EMR/PT Push Side Su...
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Dormakaba DORMA 8656 EMR/PT Push Side Surface-mount Electromagnetic Holder/Release Track Closer (Detector) DOR-8656 EMR/PT

DORMA 8656 EMR/PT Push Side Surface-mount Electromagnetic Holder/Release Track Closer (Detector)

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Model: 8656-EMR-PT-689
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DORMA 8656 EMR/PT Series

Holder/Release Devices with Integral Door Closers

The EMR Series holder/release device incorporates a photoelectric detector and can control the spread of smoke and fire in a specific location or throughout the building if wired into a central alarm panel.

Holder/release devices ANSI/BHMA certified.

  • Three models included
  • Interfaces with new or existing fire/smoke control systems
  • Can be wired for concealed or surface wiring
  • EMR can control one EMF unit for pair of doors
  • Patented hold open design
 

Product details

Three models included

The EMF/EMR Series includes three models for price and door closer feature/function considerations. The TS93 in Contur Design, with the extra efficient cam and roller technology, can be used on larger doors, while the 8900 rack and pinion closer offers a narrow projection for less cost. When value engineering is a concern, the 8600 meets the need.

Patented hold open design

The EMF/EMR Series’ patented hold open design prevents damage to the door, frame, holder/release device, or other installed hardware. This design enables initial hold while allowing the door to be manually opened beyond the hold open point.

Compatibility and wiring

The EMF/EMR Series is compatible with new or existing fire/smoke control systems and can be wired for concealed or surface wiring.

Door shuts in case of an alarm state or power failure

In the case of an alarm state signaled by the central control system or main power failure, current to the electromagnetic hold open device is interrupted, thus allowing the door closing mechanism to take over and shut the door.

 

Manufacturer Resources

Product Specs

Product Group:
Door Controls
Series:
8600 EMR Series
Grade:
Grade 1
Duty Level:
Heavy Duty
ADA Compliant:
No
Warranty:
25 Year Mechanical, 2 Year Electrical
Closer Size:
5 to 6
Product Subgroup:
Door Closers - Electromechanical (Fire and Life Safety)
Product Type:
Fire and Life Safety Closers
Subcategory:
Fire and Life Safety Closers
Track Type:
Rack and Pinion Track
Commercial/Residential:
Commercial
Electronic:
Yes
Mounting Detail:
Push Side
Product Model:
8656
Door Hand Direction:
Non-Handed
Product Category:
Door Controls
Department:
Door Hardware

Dormakaba 8656-EMR-PT-689 – Frequently Asked Questions

1) How does the DORMA 8656 EMR/PT hold a door open and release it on a fire alarm?
The 8656 EMR/PT is a surface-mounted track closer with an integral electromagnetic hold-open and its own built-in photoelectric detector. The magnet holds the door at the open point while power is applied. On an alarm state signaled from the central control system, or on a main power failure, current to the electromagnet is cut and the closer mechanism takes over and shuts the door. Because the detector is integral, it can act on smoke in that one opening on its own, or be wired into a central alarm panel to release with the rest of the building.
2) Does the 8656 EMR closer mount on the pull side or the push side of the door?
Push side only. The 8656 EMR/PT is a push-side, surface-mount track closer, so it goes on the face of the door that swings away from you as you push through, with the track on the frame. If the opening you are working on requires pull-side (door face) mounting, this is not the unit for it.
3) Do I need a separate hold-open unit for a pair of doors, or does one EMR cover both leaves?
One EMR unit can control one EMF unit, so a pair of doors takes an 8656 EMR/PT on one leaf and a companion EMF holder/release closer on the other. The EMR carries the detector and the decision; the EMF is the slave hold-open that releases with it. Order both leaves together so the pair drops at the same instant.
4) Is the DORMA 8656 EMR/PT handed, or will one unit work on a left or right hand door?
Non-handed. The same 8656 EMR/PT works on a left or right hand swing, so you do not have to determine handing before ordering and a stocked unit covers either opening in a building.
5) What size door will the 8656 EMR closer handle?
The 8656 is adjustable through closer sizes 5 to 6 and is a heavy duty, Grade 1 commercial unit, so it is sized for wide and heavy leaves rather than light interior doors. Sizes 5 and 6 are the large end of the spring range, which is what you want on a corridor or stair door in a school, hospital or hotel. On a narrow, light door a size 5 minimum will feel heavy to open.
6) Will the 8656 EMR meet an ADA opening force requirement on an accessible door?
No. The 8656 EMR/PT is not ADA compliant, and with a size 5 to 6 spring range the opening force is above what an accessible route allows. On a door that has to meet accessible opening force, specify a lower-size closer or a power operator instead. On a heavy stair or corridor door where ADA force does not govern, the 8656 is the right weight class.
7) Can I put a DORMA EMR hold-open closer on a building that already has a fire alarm panel?
Yes. The EMR/EMR series interfaces with new or existing fire and smoke control systems, so you can tie it into a panel that is already in place rather than replacing the detection system. It can be wired concealed, through the frame and header, or surface run where you cannot get into the frame, which matters on a retrofit in an existing masonry or hollow metal opening.
8) Do I need a separate smoke detector at the door for the 8656 EMR/PT?
Not for this unit. The EMR incorporates a photoelectric detector in the device itself, so the hold-open will release on smoke at that opening without a separate ceiling or door-mounted detector wired to it. If you also want the door to drop on a building-wide event, wire it into the central alarm panel; the detector and the panel input both work.
9) Is the 8656 EMR/PT an electrified closer, and does it need power run to the door?
Yes, it is an electronic device. The electromagnetic hold-open needs continuous power to keep the door open, which is exactly how the fail-safe works: cut the power and the door closes. So the opening needs a power run, either concealed through the frame or surface wired, plus the connection to the fire/smoke control system if you want panel release. Plan the wiring path before the closer goes up, since a concealed run means getting into the frame.
10) What is a Grade 1 alternative to the DORMA 8656 EMR/PT with an electronic hold-open track arm?
The Cal-Royal CR441EHO is a Grade 1 door closer with an electronic hold-open track arm, and the DORMA 8656 EMR/PT is also Grade 1, so both meet the same ANSI/BHMA grade for a heavy duty commercial opening. The difference is in how the hold open is released: the 8656 EMR/PT carries an integral photoelectric detector, so the door can be held open and released on smoke sensed at the opening itself as well as on a signal from a central fire alarm panel. The CR441EHO is described as an electronic hold-open track arm closer, which is the arrangement to use when the release signal comes entirely from the building's fire/smoke control system. Both are surface closers on a track arm rather than a standard regular arm.
11) If the fire alarm panel already provides the release signal, is a self-contained detector closer still needed?
No. A self-contained unit like the DORMA 8656 EMR/PT builds the photoelectric detector into the holder/release device, which is what you want when the opening needs local smoke detection, when there is no panel to tie into, or when you want detection at that specific location in addition to the building system. Where the panel already covers detection and only needs to drop power to the hold open, the simpler arrangement is a closer with an electronic hold-open track arm such as the Cal-Royal CR441EHO, also Grade 1. Note that the 8656 EMR/PT still interfaces with new or existing fire/smoke control systems and shuts the door on an alarm state or a main power failure, so the detector version does not give up panel integration.
12) What happens if someone pulls the door past the hold-open point on an electromagnetic holder?
Nothing breaks. The EMR series uses a patented hold-open design that lets the door be manually opened beyond the hold-open point instead of fighting the magnet, which is what prevents damage to the door, the frame, the holder/release device, and the other hardware on the opening. That is the failure mode property managers see most on magnetic holders in high-traffic corridors.
13) Should I choose the 8600 EMR or the TS93 EMR for a hold-open closer?
It depends on the door and the budget. The 8656 is the 8600 EMR series, the value-engineered choice in the EMF/EMR family, and it uses a rack and pinion track closer. The TS93 in Contur Design uses cam and roller technology and is the one to specify for larger doors where efficiency at the swing matters. The 8900 is the rack and pinion option when you want a narrow projection at lower cost. All three carry the same holder/release function, so the decision is about door size, projection, and cost, not about how the release behaves.
14) Is the DORMA 8656 EMR holder/release certified to ANSI/BHMA?
The holder/release devices in this series are ANSI/BHMA certified, and the 8656 is a Grade 1 heavy duty commercial unit. Grade 1 is the top ANSI/BHMA grade and is what institutional and government specs normally call for on a corridor or stair opening.
15) What finishes does the DORMA 8656 EMR/PT come in, and can I match the closers already on my other doors?
Six finishes: 689 aluminum, 690 dark bronze, 691 light bronze, 693 black, 695 dark bronze, and 696 satin brass. Aluminum 689 and dark bronze 690 are the two that match most existing aluminum storefront and hollow metal openings, so a property manager standardizing a building can usually stay with what is already hung. Note the two dark bronze codes, 690 and 695, are separate finish options, so pull the code off the closer you are matching rather than ordering by color name.
16) Can a standard hold-open closer be used in place of an electromagnetic holder/release closer on a smoke barrier door?
No. A mechanical hold-open arm keeps the door open until someone moves it and will not release on an alarm, so it is not a substitute for an electromagnetic holder/release unit. The DORMA 8656 EMR/PT interrupts current to the electromagnetic hold open device on an alarm state or main power failure and lets the closing mechanism shut the door, and it is ANSI/BHMA certified as a holder/release device. If a different closer is needed for the opening, the substitute has to be electrically released as well, such as the Cal-Royal CR441EHO with its electronic hold-open track arm. The 8656 EMR/PT is non-handed and mounts on the push side, so confirm the replacement suits the same side of the door.
17) Which electrified hold-open closer suits a heavy or oversized door?
The DORMA 8656 EMR/PT is a heavy duty Grade 1 unit sized 5 to 6, which covers wide and heavy commercial leaves, and its 8600 rack and pinion track design is the value engineered option within the EMR family; the TS93 in Contur Design with cam and roller technology is offered in the same EMR/EMF family for larger doors, and the 8900 rack and pinion gives a narrow projection. The Cal-Royal CR441EHO matches on Grade 1 with an electronic hold-open track arm. Verify closer size against the door width and weight before substituting, since grade alone does not establish sizing.
18) For a pair of doors, do two detector units have to be ordered?
No. One DORMA 8656 EMR/PT can control one EMF unit for a pair of doors, so the detector unit goes on one leaf and the companion EMF holder handles the other. A closer with a straight electronic hold-open track arm, such as the Grade 1 Cal-Royal CR441EHO, does not carry a detector and so is wired per leaf from the fire/smoke control system rather than slaved off a detector unit. That difference matters when planning the wiring run, since the 8656 EMR/PT can be wired for concealed or surface wiring.
19) Can the 8656 EMR/PT be used in a house or apartment unit door?
It is built for commercial use, not residential. The 8656 is a heavy duty commercial Grade 1 unit in closer sizes 5 to 6, which is more spring than a dwelling unit door wants, and the holder/release function only earns its keep on a fire or smoke door tied to a control system. Multi-family buyers use these on corridor, stair, and trash room openings, not on the apartment entry itself.
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Does the Dormakaba 8656-EMR-PT-689 come with a warranty?
Absolutely. The Dormakaba 8656-EMR-PT-689 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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