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ALK Operating Instructions
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RELATED FAQS
Question
Answer
Is a switch required to operate the Von Duprin ALK unit?
Resolution:
Yes. The exit alarm ALK is shipped standard with a RX, request to exit switch, but can work with the optional LX, latch bolt monitor switch. If there is no switch in the device it will never alarm.:
What cylinder is needed with Von Duprin exit alarm ALK?
Resolution:
The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING):
Does the Von Duprin ALK require the RX switch to operate?
Resolution:
The RX switch is required to activate the ALK. The RX switch monitors the pushbar and will signal the ALK to go into alarm when the pushbar is depressed. The RX switch also allows free in...:
The Von Duprin 98 or 99 ALK kit will not sound the horn
Resolution:
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...:
Will an ALK sound when the exterior trim is used to enter from the pull side?
Resolution:
The ALK exit alarm will sound when the exterior trim is used to enter from pull side without using access control when an LX latch bolt monitor switch is used instead of RX push bar monitor switch.:
Does Von Duprin offer a water proof ALK?
Resolution:
Exit alarm ALK devices are not recommended for exterior application. We do not offer water proof exit alarm ALK devices.:
Is there an Exit Alarm Retrofit Kit (EAK) for the 19 series?
Resolution:
These kits for the 19 Series were discontinued June 11th, 2012 when the updated alarm kit for the 24/25 series was released. Prior to discontinuation, it was o...:
Can the Von Duprin Chexit device be changed to ALK exit alarm?
Resolution:
The Chexit device has a different base plate and center case than the ALK. The Chexit device would need to be replaced with an ALK device.: