care and cleaning LCN

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Closers mounted according to LCN installation instructions require no periodic maintenance or seasonal adjustments.  Monthly, quarterly, and annual visual inspections are recommended for Fire/...
To clean the platen on a hand reader, apply a Windex-like product with a clean, soft cloth and allow it to air dry.  The hand reader platen overlay has an anti-microbial surface.  Should ...
One stabilizer set takes care of the pair of doors for one mullion.