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“ can QEL be connected with ALK ”

Resolution: 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.:

How many Von Duprin QEL devices can be connected to a power supply?

Resolution: Product Ordered before 7/10/2012 - Product identified by no label on QEL motor. You must use the 900-2Q option board with the PS900 power supplies to operate the QEL devices. The attached ta...:

What is (SD) Special Dogging?

Resolution: SD is Special cylinder dogging in the center case of 98/99 rim and vertical rod non fire rated devices and is available with standard, EL, QEL, CX and ALK.:

Why is the Von Duprin exit alarm ALK going into alarm on it's own?

Resolution: 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...:

What power supply replaces the Von Duprin 9VDC PS9 power supply?

Resolution: 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...:

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“ can QEL be connected with ALK ”

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