Aiphone DUAL MASTER CHIMECOM SYSTEM C-123LW user manual

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90102 0610
C-123LW Supplemental Instructions
Dual Master ChimeCom System
- REFER TO INSTALLATION MANUAL INSIDE C-123L/A BOX FOR STANDARD
INSTALLATION INFORMATION -
The C-123LW Dual Master ChimeCom set provides chime, communication, and door release for one door and two
inside locations. This supplemental instruction manual addresses many of the additional functions and modifi cations
for the Chime Com system, including installation and troubleshooting information.
C-123L/A Set
MASTER STATION:

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WIRING DIAGRAM: Dual Master Chime Com System with DAK-2S Dual Master Adaptor Please read and understand all C-D C-ML/A instructions before installation. 1 1 Component C-ML/A Component IMPORTANT: Connect wires Module* Module* before applying power. 1 E E E * Install bare wire end to the “1” terminal (DAK-2S contains two component modules) SKK-620B SKK-620B + + EL-12S - - L L L L IMPORTANT!!! Each master REQUIRES an SKK-620 power supply, or 4 “C” batteries. (Do not install both on one C-ML/A.

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60H-2A 8 THA1 547 WIRING DIAGRAM: LEM-1DL System with External Signaling using RY-AC Relay Component C-D C-ML/A Module* IMPORTANT: Connect wires before applying power. 1 1 Output of RY-AC (Yellow wires) provide a momentary dry contact closure while the call button on the door E E station is being pressed. 12V DC power supply White BELL SKK-620B NOTE: Negative of Red + + RY-AC power supplies must be Black tied together. - - Power source for bell Normally Open Dry L Component Module* Co

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INSTALLATION TIPS: 1. Use shielded wire for the communication path, and ground one end of the shield to an earth ground. 2. Run intercom wire at least 20” away from AC wiring, fl uorescent lights or dimmer switches. 3. Keep intercom cable away from alarm, data, phone, video cables, and any other potential source of interference. 4. Door release wires must be in a separately jacketed cable from the intercom wires. Use two separate cables; one for audio and one for do