SEM HOLD OPEN FORCE

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Question
Answer
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 ...
The SEM series magnets have a holding force of approximately 35 lbs when installed according to LCN instructions.
The holding force on an SE/ME Series door closer is approximately 35 lbs. and they can be manually pulled out of hold open with approximately 35 lbs of force.
The older model Senior Swing came with 2 spring options. The "standard force" spring required 15 lbs of manual  opening force, and reduced force "RF" required 11 lbs of manual opening force.  All S...
The manual opening force on a 4630/4640 will be approximately 8.5 lbs to 14 lbs depending on the spring setting.
Any LCN Closer that ends in the number 1, will meet ADA 5 lbs opening forces.
The 5 pound force requirement is in reference to the maximum force to swing the door, not the maximum force allowed to unlatch the exit device.  Maximum allowed force to retract the Von D...
The Senior Swing Series used to have a 2 gearbox options, a "standard force" (15 lbs) and a "RF - reduced force" (11 lbs). In November 2009 RF option was eliminated and we made the standard gearbox...
The manual opening force to required to open a Sr Swing operator is approximately 11-12 lbs.
120V Models: The hold open force on the 2310ME / 4310ME / 4410ME closers is "NOT" adjustable. 24V Models: There is a trimpot adjustment on the circuit board that allows you to "REDUCE" the hold op...