ACO CDN-WZ Module for Detecting Line Short Circuit or Intercom Damage

The ACO CDN-WZ is a diagnostic module designed for use in ACO CDN digital intercom systems. It continuously monitors the subscriber line (apartment/unit) for short circuits or open circuits (line damage), providing immediate visual feedback via multi-color LEDs. This enables rapid fault identification and maintenance, reducing downtime and service costs.

Advantages

• Real-time line status indication with green (normal), red (short circuit), and yellow (open circuit) LEDs.
• Easy surface mount installation with screw terminal blocks for secure connections.
• Powered directly from the intercom bus, no external power supply needed.
• Compact and robust ABS plastic housing suitable for indoor environments.

Suitable for

• ACO CDN digital intercom systems requiring line diagnostics
• Apartment buildings and multi-unit premises
• Installers and maintenance technicians seeking quick fault localization

Key specifications

• Module Type: Intercom Line Diagnostic Module
• Detection: Short circuit and open circuit (line damage)
• Compatibility: ACO CDN Digital Intercom Systems
• LED Indication: Green (normal), Red (short circuit), Yellow (open circuit)
• Power Source: Intercom bus power (12-15V DC)
• Current Consumption: < 50 mA
• Operating Temperature: -20°C to +50°C
• Housing Material: High-impact ABS plastic
• Enclosure Color: White
• Installation: Surface mount with screw terminals

Recommendations

For optimal performance, ensure the module is installed by a qualified technician and used exclusively with ACO CDN digital intercom systems. Regular visual inspection of the LED indicators is recommended to promptly address any line faults.