transmitters and receivers

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If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wi...
The newer "programmable" RF transmitters/receivers will not work with the older "dip switch" transmitters/receivers. The frequency and coding are different.
The 8310-865 RF receiver can have up to 100 transmitters programmed to it.
To program the 8310-865 receiver: Set the dip switches 1 to the "OFF" (pulse) position. Set the dip switches 2 to the "OFF" (0.5s) position. Momentarily press the " No Delay" or "Delay" ...
The obsolete 7910-931 receiver has been replaced by the 8310-865 receiver.Replacing the receiver requires you to also replace the obsolete 7910-444 transmitter module with the 8310-844 transmitter.
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...
When the "RED" LED on the 8310-865 RF Receiver is blinking, it is receiving an RF signal (interference) from a non programmed device. When receiving this type of signal, it will not program correct...
The input voltage for the 8310-865 (433 MHz) receiver is 12-24 VAC/VDC +/-10%, the current draw is 250mA (0.25A).
RF sequential operation requires the use of of a minimum of 2 receivers (8310-865). Depending on the desired operation required (if using access control), it may require up to 4 receivers (8310-865...
 Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...
Steelcraft have tested different types of doors and frame assemblies using Zero International gasket seals for the various STC ratings. Tests are in accordance to ASTM...
Frames can be installed either KD (knock down) or welded to receive the STC rating.
Steelcraft borrowed light frames are not listed/tested. Check with the glass manufacture if they are listed and with what type of framing used.
Sound seals are required. Zero International Gasket Notes: Perimeter Seals – Zero #475 applies to the stop of the head and jambs. Door bottom – Zero #367, surface applied. Threshold ...
STC stands for Sound Transmission Class. An STC (Sound Transmission Class) is a single number rating system derived from measured values of sound transmission loss in accordance with ASTM E90 and...
The U-Factor, R-Value and K-Thermal Rating are measurements of thermal transmission through building products. U-Factor: Overall co-efficient of heat transmission passage through a built-up panel...