1. Pengenalan
This manual provides detailed instructions for the installation, operation, and maintenance of the SDC CB402-B Communicating Bathroom Control and Emergency Access Switch. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. Produk Lebihview
The SDC CB402-B is a panel-mounted control switch designed for bathroom lock systems, providing both locking/unlocking functionality and emergency access. It features a clear indicator light for lock status.

Figure 1: SDC CB402-B Control Panel
This image displays the SDC CB402-B control panel. The panel is rectangular, silver-colored, and features the "SDC" logo at the top. Below the logo, text reads "BATHROOM LOCK" and "BOTH DOORS MUST BE CLOSED TO LOCK". A prominent red square button is located in the center. Below the button, text indicates "PUSH TO LOCK OR UNLOCK" and "LIGHT ON DOOR LOCKED". There are also two visible screws for mounting.
Ciri-ciri Utama:
- Integrated lock/unlock button.
- Visual indicator for door lock status.
- Designed for bathroom lock applications requiring two doors to be closed for locking.
- Panel mount design for secure installation.
3. Persediaan dan Pemasangan
Maklumat Keselamatan Penting: Installation should only be performed by qualified personnel in accordance with all local electrical codes and regulations. Disconnect power before beginning installation.
- Lokasi Pemasangan: Select a suitable indoor location for panel mounting, typically adjacent to the door frame or on a wall within easy reach.
- Pendawaian: The CB402-B requires electrical connections for power and communication with the locking mechanism. Refer to the wiring diagram provided with your specific lock system for correct connections. Ensure all connections are secure and insulated. The unit utilizes an X-10 connectivity protocol for communication, which must be integrated with a compatible system.
- Pemasangan Panel:
- Prepare the wall opening according to the dimensions specified in the product packaging.
- Feed the necessary wiring through the opening.
- Secure the CB402-B panel to the wall using appropriate screws (as shown in Figure 1). Do not overtighten.
- Integrasi Sistem: Connect the CB402-B to your bathroom lock system and power supply as per the system's instructions. Verify all connections before restoring power.
- Ujian Permulaan: After installation, restore power and perform a functional test to ensure the lock/unlock button and status indicator light operate correctly.
4. Operasi
The SDC CB402-B is designed for straightforward operation:
- Mengunci Pintu: To lock the bathroom door(s), ensure "BOTH DOORS MUST BE CLOSED TO LOCK" as indicated on the panel. Press the red square button labeled "PUSH TO LOCK OR UNLOCK".
- Membuka Kunci Pintu: To unlock the bathroom door(s), press the red square button again.
- Penunjuk Status: The panel includes a light indicator. When the "LIGHT ON DOOR LOCKED" is illuminated, it signifies that the door(s) are securely locked.
5. Penyelenggaraan
The SDC CB402-B requires minimal maintenance to ensure continued reliable operation:
- Pembersihan: Periodically wipe the surface of the control panel with a soft, dry cloth. Avoid using abrasive cleaners or solvents, which can damage the finish or internal components.
- Pemeriksaan: Regularly inspect the panel for any signs of physical damage, loose connections, or wear.
- Semakan Kefungsian: Periodically test the lock/unlock function and the status indicator light to ensure they are working correctly.
6. Penyelesaian masalah
If you encounter issues with your SDC CB402-B, consider the following:
- Butang Tidak Menjawab:
- Check if the power supply to the unit and the associated lock system is active.
- Pastikan semua sambungan pendawaian adalah kukuh dan betul mengikut gambarajah pemasangan.
- Ensure both doors are fully closed if the system requires this condition for locking.
- Status Light Not Illuminating:
- Confirm the door is actually locked.
- Periksa bekalan kuasa dan pendawaian.
- If the light is still not working, the indicator bulb or LED may need replacement, or there might be an internal fault. Contact SDC support.
- Operasi sekejap: This could indicate loose wiring or an issue with the X-10 communication. Re-check all connections and ensure there is no interference with the X-10 signal.
For persistent issues, contact SDC technical support.
7. Spesifikasi
| Spesifikasi | Perincian |
|---|---|
| Model | CB402-B |
| Jenama | SDC (Security Door Controls) |
| Berat Barang | 1 paun |
| Jenis Pemasangan | Pemasangan Panel |
| Protokol Ketersambungan | X-10 |
| Kiraan Unit | 1 Kiraan |
| Dimensi | 2-7/8 inches W (Width) - Other dimensions not specified. |
8. Waranti dan Sokongan
For information regarding the product warranty, please refer to the official SDC (Security Door Controls) weblaman web atau hubungi khidmat pelanggan mereka secara langsung. Terma dan syarat jaminan mungkin berbeza-beza.
Untuk sokongan teknikal atau bantuan lanjut, sila layari SDC Security webtapak or contact their authorized distributors.





