FAQs

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Answer
CAD drawings are available for doors and frames in 3 drawing formats: Autocad (.dwg) - Release 12 Encapsulated PostScript (.eps) Data Exchange (.dxf) Drawings are available on the...
Some architectural specifications require steel frames to be back-coated with a bituminous coating for corrosion protection or sound control. It is commonly specified to be used in condit...
For Potted Modules (black color) shipped before August of 2012, you can test by applying power to the potted circuit breaker to and if good the following voltages will be seen (be careful...
Exit alarm ALK operates with 9VDC battery and doesn't required a power supply.If you choose to hard wire the exit alarm ALK use the PS902 power supply.Exit alarm ALK requires 24VDC regulated power ...
The Von Duprin exit alarm ALK draws about .25 amp. PS902 power supply powers up to 8 exit alarm ALK. PS904/914 powers up to 16 exit alarm ALK. PS906 powers up to 24 exit alarm ALK. 
 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
The current draw of a Von Duprin exit alarm ALK is .25 amp when alarm is activated.
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.
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.
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...