No, Von Duprin exit alarm ALK and electric latch retraction QEL or EL are installed in the same location and can't be ordered together with the same device.
Followings are the reason for 98/99 exit alarm ALK not sound when push bar is activated.
Make sure key switch on exit alarm ALK is turned on, wait for 20 seconds before you activating the pushba...
The MA lock can be specified in a 12 or 24V DC configuration (default is 12V). Additionally, an AC power source may be used as long as a rectifier is installed in the circuit (not provided).
He...
For additional details and a wiring diagram see the MA service manual page on electrical requirements here.
The Falcon Exit Alarm option was updated in June 2012 to include the following benefits.
Louder Alarm 95dbs vs 87dbs
Easier battery changes
24Vdc hardwire(HW) option included w...