Aiphone GT-BC Audio Bus Control Unit Instruction Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of the Aiphone GT-BC Audio Bus Control Unit. The GT-BC is designed for use with GT series Multi-Tenant Intercom Custom Modular Entrance Stations, providing essential bus control functionality.

2. Product Features

• Bus Control Unit for GT Series Multi-Tenant Intercom Custom Modular Entrance Stations
• Power Source: 24V DC
• Mounting: DIN rail compatible
• Constructed from ABS Plastic

3. Setup and Installation

The GT-BC unit is designed for DIN rail mounting. For small units, use the W-DIN11 accessory. Ensure the power source is 24V DC. Wiring should utilize 2-conductor, solid, non-shielded wires with PE insulation.

Figure 1: Aiphone GT-BC Audio Bus Control Unit. This image displays the front panel of the GT-BC unit. Visible features include the main ON/OFF switch, the model number (GT-BC), lot number (4B1105Y), power source (DC24V), and current consumption (0.9 A max). Below the switch, there are instructions for wire stripping: a strip gauge of 9mm for solid conductors with a diameter of 0.65mm to 1.0mm. The power input terminals are also visible at the bottom left, labeled "DC24V".

Wiring Instructions:

• Use 2-conductor, solid, non-shielded wires with PE insulation.
• Strip wires to a length of 9mm.
• Ensure solid conductor diameter is between 0.65mm and 1.0mm.
• Connect to the DC24V power input terminals as indicated on the unit.

4. Operating Instructions

The Aiphone GT-BC unit features a simple ON/OFF switch for controlling the bus power. To operate the unit, simply toggle the switch to the desired position.

Power Control:

• To turn the unit ON, push the switch to the "ON" position.
• To turn the unit OFF, push the switch to the "OFF" position.

5. Maintenance

The GT-BC unit is designed for reliable operation with minimal maintenance. Keep the unit clean and free from dust. Do not attempt to open the casing or perform internal repairs. For any issues beyond basic troubleshooting, contact a qualified service technician or Aiphone support.

6. Troubleshooting

How to Reset the Breaker:

1. Check the wiring for any loose connections or damage.
2. Check the fuse of the power supply to ensure it is intact.
3. Switch the unit OFF first, then switch it ON again.

If the issue persists after following these steps, consult the specifications and consider contacting Aiphone technical support.

7. Specifications

8. Warranty and Support

For warranty information or technical support regarding your Aiphone GT-BC Audio Bus Control Unit, please contact Aiphone Corporation directly. Refer to the official Aiphone website or your purchase documentation for contact details and specific warranty terms.