fire door release

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If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...
1400 degrees which is approximately 20 minutes after the fire starts.
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
The Fusible Link arm is available with the 4010, 4020 and 4110 series closers. They all use the same Fusible Link arm. The UL Listing number is for the Fusible Link arms is R1943. The 4010 Serie...
The following common wiring diagrams are available:One Single Door with Panic BarElectric Latch Retraction, with Auto OperatorDelayed egress - Fire Rated ApplicationAuto Operator and actuatorElectr...
Electronic Protocols:Access Control Door with electric trimAccess Control with electric strike Access control with electric strike and LCN 4600 automatic operatorAccess Control with remote Loc...
The Request to Exit (RTX) switch input can be used as a remote door release.
A single-pole, single-throw switch (e.g., pushbutton switch) must be connected across the RTX input pins.
When the switch changes state (e.g., from open to closed), the CT5000 will change the state of the Strike relay.
If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wiring per ST ...