von duprin alarm options

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The standard exit alarm ALK devices are not available with dogging option. The device can be ordered through Engineering Special with dogging option on non fire exit devices. This special is o...
If the spring on the Von Duprin exit alarm ALK board is not located correctly as shown on the instructions, then the vibration from the horn allows the cylinder to turn and shut the exit alarm ALK ...
The PS9 power supply was discontinued.  The new exit alarm ALK can either use a 9VDC battery or 24VDC regulated power supply. There is no direct replacement for Von Duprin PS9 power supply. Cur...
 One PS902 power supply will run up to six Von Duprin exit alarm ALK devices. PS902  power supply must be set to 24VDC to operate the exit alarm ALK.  Exit alarm ALK exit devices must be as clo...
PS902
If the spring on the Von Duprin exit alarm ALK board is not located correctly as shown on the instructions, then the vibration from the horn allows the cylinder to turn and shut the exit alarm ALK ...
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 following may cause the ALK to go into alarm: Make sure red and blue wires on the RX switch are connected to the exit alarm ALK terminal block and yellow wire is taped off. Check the red an...
The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING)
AR1 is Auto-Reset 1.5 minute, AR3 is 3 minute, or AR6 is 6 minute option processed through engineering specials on a Von Duprin exit alarm ALK.
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.