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FAQs

Resolution: The 7910-967 is a part number for a discontinued RF actuator. It was replaced by the 8310-3856WS RF actuator. The new 8310-3856WS requires the use of an 8310-865 RF receiver. When replacing the ol...:

Does the M490DE come with a delayed egress warning sign?

Resolution: A delayed egress sign is provided with the M490DE and the M490DEP. The sign's part number is P774358:

What components are needed to convert a hard wired actuator button to a wireless actuator button?

Resolution: To convert an RF actuator button to a hard wired actuator button, simply remove the RF transmitter an connect the hard wiring to the "Common" and "Normally Open" terminals on the the switch.:

What would cause a door closer to slam?

Resolution: There are a few things that can cause a closer to slam. The closer could be adjusted incorrectly. Turn all regulating screws clockwise until they stop. Then open each valve 1 and 1/2 turns. If t...:

Why does my Chexit device open without sounding the alarm?

Resolution: :

What is the difference between Panic Hardware and Fire Exit Hardware?

Resolution: The most obvious difference (in the device) is the lack of mechanical dogging on a Fire Rated Device. There are some internal parts that may be different and the method it is secured to the d...:

Do we have an electric strike for use w/ a mortise lock w/ deadbolt for wood frame?

Resolution: The 6216 electric strike was designed only for use with only the Folger Adams 310-3-1 mortise lock with deadbolt. The dead bolt must be retracted manually for the the strike to operate.:

Why is the Von Duprin PS873 power supply buzzing or chattering?

Resolution: 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...:

What voltage does the E996L require?

Resolution: The standard E996L electric trim will be supplied with 24VDC solenoid. As an Engineered Special you can order the E996L electric trim with 12VDC solenoid.:

What is the delay time adjustment on a Delayed Action closers?

Resolution: Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...: