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This EPD follows a worst-case approach and covers the slide channel GSR - EMR 2 (XEA). TS 98 XEA GSR-EMR 2 with electromechanical hold-open unit and smoke detector for double leaf doors. The GSR-EMR (XEA) ensures that the 2-leaf doors close in the correct order, it also allows for fire and smoke control doors to be equipped in such a manner that they can be precisely held open and fully monitored and controlled independently of other systems. In case of alarm or power outage, the hold-open unit is disabled and the door is closed by the door closer. Thanks to the adjustable release force (no tools required), the hold-open unit can also be effortlessly released by hand. The hold-open position is also the maximum door opening angle. To prevent damage to the door and door closer, a door stop is recommended. There are also connectors for additional detectors, an external manual release, along with potential-free alarm contact. For exceptionally large and heavy doors (over 1250 mm) or doors where the hold-open position is supposed to be above 130°, using EM electromagnets is recommended— of the G-EMR (XEA). The device has two separate LEDs that serve as an operation and maintenance indicator. dormakaba offers comprehensive accessories for all applications. The following slide channel versions are included in the scope of validity: Slide channels for 1-leaf doors: TS 98 XEA EMF Solution with electromechanical hold-open unit (EMF). TS 98 XEA EMR