Instruction/ maintenance manual of the product LEF-3L Aiphone
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– 1 – - SUPPLEMENT TO LEF INSTRUCTIONS - The LEF-3L is a compact, wall or desk mount master station able to selectively release a door or call up a camera. Used with any LE-(except LEF-3,5 and 10) or LS-series (North America only) remote station, communication can be established with each station by selecting the channel on the master station.
– 2 – Wire Refer ence Chart (North America only) Standard Communication With selective door release and/ or camera call-up Model # # of Conductors Wire # (22A WG) Wire # (18A WG) # of Conductors W.
– 3 – 2 SYSTEM OUTLINE & COMPONENTS ■ System outline Individual Components for LEF-3L System: * : North America only *LS-NVP/C Va ndal and weather resistant sub station, white powder coa.
– 4 – 2 SYSTEM OUTLINE & COMPONENTS (Cont.) LE-D/LE-DA TERMINAL DEFINITIONS: １ Station number Ｅ Common communication − Negative *LS-NVP/C TERMINAL DEFINITIONS: Red Station numbe.
– 5 – Wire: · Shielded wire is str ongly recommended. Use the proper gauge for the distance being run. · Wiring between masters must be a multi-conductor cable. If more than one cable is used to connect masters, the "E", "C", and number terminal wires must be in the same jacketed cable.
– 6 – 2 SYSTEM OUTLINE & COMPONENTS (Cont.) ■ Call tone adjustment 3-position volume switch, located under Operation plate. Adjusts call tone volume to low (far left), medium, high (far right). ■ Selector switch for Call T one in Occupied Mode LEF surface mount master stations are set in the "B" position fr om the factory .
– 7 – 3 MOUNTING LEF-3L intercom SINGLE-GANG BOX 83.5mm, 3-5/16" 2 screws supplied Chassis Loosen Operation plate Directory card ★ 2 ★ 1 UP 83.5mm, 3-5/16" SINFGLE-GANG BOX Mounting bracket 2 screws supplied （LE-A） Unplug while installing OFF OCCUPIED VOL.
– 8 – 4 WIRING DIAGRAMS - Most Common Applications 1 x LEF-3L, 3 x Door Stations WIth Selective Door Release 2 x LEF-3L, 2 x Door Stations With Master to Master communication shown on channel 3 Wi.
– 9 – 4 WIRING DIAGRAMS - Multiple Masters for Door Answering LEF-3L System with External Signaling (RY -AC) One door station with the ability to activate a separate doorbell Shown with external s.
– 10 – 5 OPERA TIONS & SPECIFICA TIONS OPERA TIONS: ■ Calling a master or sub: 1. Depress a station selector button 1 ~ 3. 2. Press the T ALK button to speak, and release to listen to the reply . 3. T o conclude, depress OFF button. ■ Receiving a call from a sub station: 1.
– 11 – WIRING DIST ANCE: Dimensions (HxWxD): 180H x 143W x 53.5D (mm). 7-1/16" x 5-5/8" x 2-1/8" RY -P A Contact Rating: 1A, 110V AC or 24V DC RESTRICTIONS · Only one power supply can be used on one system.
– 12 – 6 TROUBLESHOOTING GUIDE (Cont.) ENTRY # PROBLEM POSSIBLE CAUSE SOLUTION 5 No master -to-master communication. C terminals mis-wired between masters. Communication between masters is carried on the # wire of the calling master to the C terminal of the receiving master .
An important point after buying a device Aiphone LEF-3L (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Aiphone LEF-3L yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Aiphone LEF-3L - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Aiphone LEF-3L you will learn all the available features of the product, as well as information on its operation. The information that you get Aiphone LEF-3L will certainly help you make a decision on the purchase.
If you already are a holder of Aiphone LEF-3L, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Aiphone LEF-3L.
However, one of the most important roles played by the user manual is to help in solving problems with Aiphone LEF-3L. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Aiphone LEF-3L along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
