What is power boost on a Senior Swing or Benchmark operator?
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 completely closed.
With power boost feature enabled on the Benchmark operator you will get approximately 12-15lbs of closing force at latch position. Power boost stays on about 3 seconds with BMK III control (BMK II premium control was 5 seconds).
With power boost feature enabled on the Senior Swing operator you will get approximately 18-20lbs of closing force at latch position.
with Standard Sr Swing Control Box (factory shipments prior to (12/9/19) - power boost is programmable for On -continuous, Off, or On- fixed five seconds.
with HD Sr Swing Control Box (factory shipments on and after (12/9/19) - power boost is programmable for On -continuous, Off, or On -adjustable 1-5 seconds.
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