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Wiring Method: · Run intercom cables at least 20" away from all AC wiring, fluorescent lights, dimmer switches, and other electrical or electronic devices. Wiring can cross AC wires at 90 degrees. · Sub stations may be homerun to the nearest master station, or daisy-chained. If daisy-chained, include 2 common wires plus one individual wire per station on the run. · In a SINGLE MASTER SYSTEM ONLY: Subs can be wired with 2 conductors homerun. Jumpers between "E" and "-" must be attached on all subs and at the master. Intercom Locations: · Do not install intercoms near dimmer or light switches, or other electrical wall devices. · To prevent feedback, do not place sub stations back-to-back on a common wall. All Call and Background Music: · The BG-10C adaptor and PS-1225UL power supply are required for each group of 11 stations to receive All Call and music. This equipment should be installed in an equipment room or in a cabinet. Capacitors (NP-25V) are required for each sub station on the system. See wiring diagram on page 5 for installation information. Pg. 2 WIRING DIAGRAMS 3a. SINGLE MASTER SYSTEM, NO ALL CALL LAF-20C LE-A 1 2 3 4 5 ~ 20 E E E E - C R Y P1 P2 P3 + - + - PS-1225UL 1 E - LE-A LE-D 3b. DUAL MASTER SYSTEM WITH MASTER-TO-MASTER COMMUNICATION 1 E - 1 E - LE-D 1 E - NOTES: Two wiring method can be used: 1. 2 conductor homerun to each sub station from the master. (Single master system only.) 2. Run multi-conductor wire in a daisy-chained fashion with 2 common wires (E & -) plus one individual wire per station on the run. Remove jumpers between E & -when daisy-chained method is used. 3. To protect system from power surge, install SA-1 arrestors at master station. One SA-1 is required for every two wires connected to master. 1 2 3 ~ 19 E - C 20 R Y P1 P2 P3 + - LAF-20CA + - PS-1225UL LE-DA 1 E - LE-DA LE-DA1 E - 1 E - LE-DA 1 E - LAF-20CA 1 2 3 ~ 19 E - 20 C R Y P1 P2 P3 + - Master-to-master communication is shown on channel 20 of each master. Y, P1, P2, P3 terminals used only if All Call Adaptors are included. WIRING NOTE: The following sub stations are wired as shown above: · LE-A, LE-AN · LE-B, LE-BN · LE-D, LE-DA Remove E/-jumpers SA1 SA1 SA-1 for optional surge protection (See note #3.) SA1 All "E" terminals are common internally. RY-AC Red Blk Wht Yellow To external signalling device and power (E.g. Station #19 will actvate ext. device when it calls in to master.) RY-AC for external signalling when sub calls Pg. 3 WIRING DIAGRAMS 3c. THREE MASTER STATIONS WITH SUBS WIRED TO DIFFERENT MASTERS LAF-40CA LAF-40CA LAF-40CA LS-NVP + - LS-NVP Red Blk Grn 1 2 3 ~ 37 E - C 39 40 R Y P1 P2 P3 + - 1 2 3 ~ 37 E - 38 C 40 R Y P1 P2 P3 + - 1 2 3 ~ 37 E - 38 39 C R Y P1 P2 P3 + - NOTE: When wiring LS-NVP subs with two wires, black and green wires are tied together at sub, and "E" and "-" terminals are jumpered at master. Red Blk Grn LS-NVP Red Blk Grn LS-NVP Red Blk Grn Master-to-master communication Remove E/-jumpers PS-1225UL 3d. MASTER STATION WITH ADD-ON SELECTOR LA-40AS LAF-20CA LE-D LE-DA 1 2 3 ~ 20 E - R X1 X2 X3 X4 X5 X6 X7 X8 + - + - PS-1225UL 1 E - LE-D LE-D1 E - 1 E - 1 2 3 ~ 40 WIRING NOTE: The following sub stations are wired as shown above: · LE-A, LE-AN · LE-B, LE-BN · LE-D, LE-DA Blk Yel Org Gry Brn Red Wht Grn Wiring from Add-on Selector 1 E - LE-DA 1 E - NOTE: LA-20AS wires the same as shown here. Pg. 4 3e. SINGLE MASTER SYSTEM WITH ALL CALL BG-10C #1 LAF-20CA LE-BN WIRING DIAGRAMS +-PS1225UL 123~101112~20CE-+RYP1P2P3 1E- LE-BN LE-BN1E- 1E- LE-BN1E- BG-10C #212~10E-+RYP1P2P3+-RELE NP-25V NP-25V +-PS1225UL LE-BN1E- LE-BN1E- DC IN NOTES:1. Any LE- or LS- series sub station can be used. 2. Capacitor for All Call is Aiphone model NP-25V: 33.fd, 25V, non-polarized. Capacitor must be inserted in series between BG-10C and the number terminal on the master station that is wired to a standard sub station. 3. Background music can be distributed throughout the system via the BG-10C(s). Music source must provide an AUX (10K ohm) output. Music is distributed to the master station through the "C" terminal, showedAUX 12~1011E-+RYP1P2P3+-RELEDC INAUX To AUX ( 10K ohm) output ofmusic source wired to "11" above. 4. Each BG-10C can provide music and/ or All Call to as many as 11 sub or master stations. Include as many adaptors and power supplies as necessary to provide enough outputs to the stations in the system. 5. Do not connect " + " terminal between multiple BG-10C adaptors. Pg. 5 OPERATIONS & SPECIFICATIONS OPERATIONS: * POWER SWITCH MUST BE ON FOR THE SYSTEM TO BE OPERATIONAL. Receiving a call from a sub station: 1. Sub station calls in with mono-electronic tone, heard as long as call button at sub is depressed. 2. LED light corresponding to calling station will light at master, staying on approximately 20 ...

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