Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...
Since most wire transfer devices such as an EPT or electric hinges cannot provide large gauge wires, we take the small gauge wire into account when determining the overall wire size for the device....
The 4600 Series operator has both a 12VDC and 24VDC output rated at 1A (combined load) to power strikes, maglocks, and other devices, but an EL device "always" has to have a separate PS914-2RS Seri...
Make sure the proper power supply (PS873 or PS914) and proper gauge and run wire is used for Chexit devices shipped prior to 8-24-2015 with solenoid driven.
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Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted. During a fire alarm, the contact will open, dropping...
Inadequate power or wrong gauge wire is used the inrush current demand by CX will overload and shutdown the power supply. You must use the Von Duprin PS873 or newer PS914 supply.
Related soluti...