what does QEL stand for

RELATED FAQS

Question
Answer
If a vertical rod device, verify the vertical rods are adjusted properly and there is not a bind at the strikes.  Make sure the push bar is not binding at the pushbar guides or any other ...
Exterior mounting of the 8310-818 series actuators is not recommended. The 8310-818 series actuators are designed to be jamb mounted on the frame. With that installation, the person will have to ...
A  LHR (left hand reverse) door uses a RH (right hand) door closer. A RHR (right hand reverse) door uses a LH (left hand) door closer.
A door can be handed in several ways. The easiest way is to stand on the Push side of the door. Push the door away from you as if you are going to walk thru the opening. If the hinges are on yo...
To determine the hand of a door, view the door from the outside, security side or key side of door.  Once there identify which side are the hinges located on the, right or left side of t...
Go to the push side of the door opening.  See above illustration. If door swings out to the left, it needs a left hand door closer. If door swings out to the right, i...
Depends on what is being ordered; SS can stand for either the "Signal Switch" or the "Silk Screen" push bar. The SS (Signal Switch) and ALK (Exit Alarm) sit in the same location in the exit devi...
Calibration is an internal process of the QEL device when energized the 1st time.  The solenoid will pull and drop 3 times on a standard calibration.  Calibration can be forced by pr...