Direct wire alk

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All new 22, 33/35A and 98/99 series exit devices with exit alarm ALK option can be hard wired to the PS902 power supply as a standard  feature.
If using 12 VDC, use the following wire configuration. Tie Red and Black wires together and connect to positive. Tie Blue and Black wires together and connect to negative. If using 24 VDC, use the...
Chexit devices shipped after 8-24-2015 with motor driven has a twelve wire connector wires and is keyed and can only plugged into the Chexit module in one direction.   Chexit d...
There are 2 wiring diagrams for sequencing a double door vestibule application shown on page 13 of the 4630/4640 installation instructions.
 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 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...