Why does variation in temperature affect door closing speed

RELATED FAQS

Question
Answer
“Cache Mode” is an AD-Series feature which, accumulates and stores valid credentials that have recently been granted access by the Access Panel or head-in system. This recently granted access histo...
The number of bits selected for "Card Bit Format" on an AD400 or AD300 must be equal too or larger than the bits on the cards in use. Setting this number correctly enables the cache mode collectio...
The AD300 and AD400 devices do not store audits during cache mode.  Audit "Date and Time" information and the saving of audit information is an Access Control Panel function, and during cache mode ...
An AD400 granting credentials access in “cache mode” will blink the Schlage with the normal green LED, followed by a brief red Schlage LED flash, indicating no RF communication and access was grant...
FastTrack is a quick ship stock program which includes targeted Builders Hardware SKUs offered by Allegion Distributor Partners. FastTrack order forms and supporting information is available only t...
Allegion Employees can access the distributors’ “My Allegion Portal” thru The Frontline Home Page: Click on “My Allegion Distributor Portal” located in the navigation menu on the left si...
A 4600 (4630/4640) not opening to a full 90 degrees could be caused by a couple things: The Opening Force could be set too low. Try increasing the opening force adjustment on the controller a 1/...
Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...
The Senior Swing has a built in circuit that controls closing speed through the motor. If the door is slamming, there must be a broken gear in the gearbox and the gearbox will need to be replaced.
How to:  What are the steps to adjust a door closer?Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All closers with a "Delay" feature ...
The Benchmark 9100 series and Falcon 8200 Series operator will allow the door to slam if: The motor is not connected (plugged into) the controller as the closing speed is controlled by a c...