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RELATED FAQS

Resolution: The QELA motor that has shipped since 2015 is self calibrating. Older versions had a calibration button, and these notes would apply: Calibration is an internal process of the QEL device&...:

What is power boost on a Benchmark operator?

Resolution: Power Boost is a positive latching feature that increases the latch force, to over come building stack pressure or door weather stripping, etc, if the door stops before coming compl...:

Can I get a Senior Swing with a reduced opening force gearbox?

Resolution: 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...:

What is the holding force of a SEM magnet?

Resolution: The SEM series magnets have a holding force of approximately 35 lbs when installed according to LCN instructions.:

What is a Senior Swing 9540 RF?

Resolution: 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 sr...: