Televes YC/251 Universal Intercom Handset Instruction Manual

1. Introduction

The Televes YC/251 is a universal intercom handset designed to replace a wide range of existing intercom systems. This manual provides essential information for the correct installation, operation, and maintenance of your new intercom handset, ensuring optimal performance and compatibility.

2. Safety Information

• Always disconnect power to the existing intercom system before beginning any installation or wiring work.
• If you are unsure about any step of the installation process, consult a qualified electrician or technician.
• Do not expose the device to moisture or extreme temperatures.
• Use only specified voltage (8-16 volts for ringer) as indicated by your building's intercom system.

3. Package Contents

Your Televes YC/251 package should include:

• 1 x Televes YC/251 Universal Intercom Handset
• 1 x Instruction Manual / Wiring Diagram

4. Setup and Installation

The Televes YC/251 is designed for easy replacement of many standard intercom systems. Refer to the included wiring diagram for specific connection instructions. The following steps outline the general installation process:

1. Preparation: Disconnect power to your existing intercom system at the main circuit breaker. Carefully remove your old intercom handset.
2. Wiring: Identify the wires from your wall and consult the provided wiring diagram. The diagram will guide you on how to connect the wires to the corresponding terminals on the Televes YC/251 handset. For a detailed wiring plan, you may refer to the Sly-Tech wiring diagram.
3. Mounting: Secure the new Televes YC/251 handset to the wall using appropriate screws.
4. Volume Adjustment: The handset features integrated potentiometers for adjusting both the voice volume of the internal unit and the branch volume. Turn these potentiometers to set your desired audio levels.
5. Power Restoration: Once wiring and mounting are complete, restore power to the intercom system.

Figure 1: Televes YC/251 Universal Intercom Handset. This image shows the white Televes YC/251 universal intercom handset, featuring a compact design with a coiled cord connecting the receiver to the base unit. The base unit includes a door release button and indicator lights.

4.1. Compatibility

The Televes YC/251 is compatible with a wide range of intercom systems, including but not limited to:

• BPT Equipment: C/251, C/200, E/200, AZ/70, AZ/71, FD/50, FD/51
• Other Brands: LT 603/N, URMET 5800/31, ELVOX 870, Tegui HORIZON/N, Golmar, COMELIT VOX 2100, TESLA 4FP/110/36/181, FERMAX 2044 to 20.440, ACET, AMPER, ATEA, AUTA TF 92, AUTELco, BELL, ARCH, CENTRAMATIC, CITESA, CITOVOX, ELBEX, FARFISA, FRINGE, JEU, GIRO, TERRANEO, OSTELVI, PORMAT, RIPOLLES, RITTO, SAFNAT, SELTI, SIEDLE HT-401, SPRINT, STR NH200 + 205, TAGRA, VIDEX, YUS PHONE.

For additional compatibility checks and connection guidance, you may visit the Sly-Tech YouTube channel.

5. Operating Instructions

The Televes YC/251 operates similarly to most standard intercom systems:

• Answering a Call: When the doorbell rings, lift the handset to establish communication with the visitor at the entrance.
• Door Release: Press the designated door release button on the handset base to unlock the entrance door.
• Ringer: The unit includes an integrated buzzer, supporting both electronic and mechanical ringing. Please note that the ringer volume is not adjustable and cannot be muted.

6. Maintenance

To ensure the longevity and proper functioning of your Televes YC/251 intercom handset:

• Clean the exterior of the handset with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
• Do not attempt to open the unit or perform internal repairs, as this may void any applicable warranty and could lead to electrical hazards.

7. Troubleshooting

If you encounter issues with your Televes YC/251, consider the following:

• No Sound/Poor Sound Quality: Check all wiring connections for security. Ensure the internal and branch volume potentiometers are adjusted correctly.
• Door Release Not Working: Verify wiring for the door release mechanism. Ensure the system is receiving power.
• No Ringing: Confirm that the building's intercom system is supplying the correct voltage (8-16 volts) for the ringer. Check wiring connections.

If problems persist after checking these points, contact a qualified technician or the manufacturer for assistance.

8. Specifications

9. Warranty and Support

For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your retailer. You may also visit the official Televes website for further assistance.