qel with ax

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QELX is the name used for the actuating  motor assembly for Von Duprin AX devices. AX device terminology means the device meets the 5lbf opening force requirement per 2010 ADA Stand...
Improper mechanical adjustment or QEL calibration could cause the QEL cycle three times with solid LED and not work. First check mechanical adjustment on vertical rods or mortise lock device and co...
SD option is available and is also standard with Von Duprin 98/99 rim and vertical rod exit devices but not available with mortise device.