1. Pengenalan
The Fantini Cosmi CH143A is an electronic microprocessor-controlled thermostat designed for weekly programming of heating and air conditioning systems. This device offers advanced features for precise temperature control and energy efficiency. It is compatible with most common civil series plates and operates on a 230V power supply, eliminating the need for batteries.
Ciri-ciri Utama:
- Weekly programming for heating and air conditioning systems.
- Compatible with various civil series plates, including 3 colored covers (white, silver, anthracite).
- Multiple operating modes: AUTO, Holiday, Jolly, and MANUAL.
- Automatic daylight saving time adjustment.
- Four adjustable temperature levels: T1, T2, T3, and anti-freeze.
- 230V power supply, no batteries required.

Imej 1.1: Depan view of the Fantini Cosmi CH143A thermostat in white, showing the digital display with current time and temperature.
2. Persediaan dan Pemasangan
The Fantini Cosmi CH143A thermostat is designed for built-in installation. Professional installation by a qualified electrician is recommended to ensure safety and proper functionality.
2.1. Kandungan Pakej
Sebelum memulakan pemasangan, sahkan bahawa semua komponen terdapat dalam pakej:
- CH143A Thermostat unit
- Multiple covers (white, silver, anthracite)
- Mounting frames and adapters for various civil series plates (e.g., Bticino, Vimar)
- Manual arahan
2.2. Arahan Pendawaian
The CH143A operates on 230V AC power. Connect the two wires from the boiler and the power supply wires to the designated terminals on the thermostat. Refer to the wiring diagram provided in the physical instruction manual for precise connections.
Nota Penting: Some users have reported discrepancies between the printed wiring diagram and the actual contact type (Normally Open vs. Normally Closed). Always verify the contact type with a tester before connecting to the boiler to ensure correct operation. The contact on terminals 1 and 2 is typically Normally Open (N.O.) for boiler connections.
2.3. Mounting and Compatibility
The thermostat is designed to fit standard built-in boxes. It includes various adapters and frames to ensure compatibility with popular civil series plates such as Bticino Living, Vimar Idea, and others.

Imej 2.1: Meletup view illustrating the various covers, adapters, and frames included for compatibility with different electrical plate series.

Image 2.2: Dimensional drawing of the CH143A thermostat, showing measurements in millimeters for installation planning.
3. Arahan Operasi
The CH143A thermostat features an intuitive interface with several buttons for navigation and programming.
3.1. Kawalan Asas
- SEL (Pilih): Used to navigate through menus and confirm selections.
- SUHU (Suhu): Adjusts the desired temperature settings.
- PROG (Program): Accesses the weekly programming menu.
- DISP (Paparan): Changes display information or enters specific settings.
- JOLLY: Activates the "Jolly" function for temporary temperature override.
- MATI: Turns the thermostat off or exits a menu.
3.2. Menetapkan Masa dan Tarikh
Setelah bekalan kuasa mula dihidupkan atau selepas bekalan kuasa terputus yang lamatage, you may need to set the current time and date. Refer to the detailed instructions in the physical manual for the exact sequence of button presses. The device includes automatic daylight saving time adjustment.
3.3. Temperature Levels
The thermostat allows you to set four distinct temperature levels:
- T1: Comfort temperature (e.g., for daytime).
- T2: Reduced temperature (e.g., for nighttime or unoccupied periods).
- T3: Economy temperature (e.g., for extended absences).
- Anti-pembekuan: Minimum temperature to prevent freezing (e.g., 5°C).
3.4. Mod Pengaturcaraan
The CH143A offers several programming options to suit your needs:
- AUTO Program: Follows the weekly schedule you have set.
- Holiday Program: Allows setting a constant temperature for a specified duration (e.g., during vacation).
- Jolly Program: Provides a temporary temperature override for a desired period, after which it returns to the AUTO program. Useful for unexpected changes in schedule.
- MANUAL Program: Maintains a constant temperature until manually changed or a different program is selected.
Detailed steps for setting up weekly programs and using special functions are provided in the comprehensive manual included with your product. Programming typically involves selecting the day, time slots (in 30-minute intervals), and desired temperature level (T1, T2, T3, or anti-freeze).
4. Penyelenggaraan
The Fantini Cosmi CH143A thermostat requires minimal maintenance.
4.1. Pembersihan
To clean the thermostat, gently wipe the surface with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or excessive moisture, as these can damage the display or internal components.
4.2. Bekalan Kuasa
This model operates directly on 230V AC power and does not require batteries.
5. Penyelesaian masalah
If you encounter issues with your CH143A thermostat, refer to the following common problems and solutions.
5.1. Display is Blank or Not Responding
- Periksa Bekalan Kuasa: Ensure the thermostat is receiving 230V AC power. Verify circuit breakers are not tripped.
- Pendawaian: Re-check the wiring connections to ensure they are secure and correct.
5.2. Heating/Cooling System Not Responding
- Mod Program: Ensure the thermostat is in the desired operating mode (AUTO, MANUAL).
- Tetapan Suhu: Verify that the set temperature is above (for heating) or below (for cooling) the current room temperature.
- Wiring (Boiler/AC): Confirm that the boiler or air conditioning unit is correctly wired to the thermostat's output terminals. As noted in the setup section, verify the contact type (N.O. vs N.C.) if issues persist.
- Semakan Sistem: Ensure the heating/cooling system itself is operational and not experiencing other faults.
5.3. Incorrect Time or Date
- Tetapkan semula: If the time or date is incorrect after a power interruption, manually reset it using the programming buttons.
- Penjimatan siang: The thermostat features automatic daylight saving adjustment. If this is not working, consult the full manual for settings related to this feature.
For more complex issues, consult the detailed troubleshooting section in the complete product manual or contact Fantini Cosmi customer support.
6. Spesifikasi Teknikal
| Ciri | Spesifikasi |
|---|---|
| Nombor Model | CH143A |
| Pengeluar | Fantini Cosmi SpA |
| Bekalan Kuasa | 230V AC |
| Dimensi (Produk) | 5.2 x 5.8 x 6.8 cm |
| Berat badan | 180 gram |
| Pilihan Warna | White, Silver, Anthracite |
| Jenis Paparan | digital |
| Pengaturcaraan | Weekly, 30-minute intervals |
| Tahap Suhu | T1, T2, T3, Anti-freeze |
| Fungsi Khas | Holiday Program, Jolly Program, Automatic Daylight Saving Time |
| Jenis Pemasangan | terbina dalam |
| Bateri Diperlukan | Tidak |
7. Waranti dan Sokongan
7.1. Maklumat Waranti
Fantini Cosmi products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Fantini Cosmi webtapak. Simpan bukti pembelian anda untuk tuntutan waranti.
7.2. Sokongan Pelanggan
Should you require technical assistance, have questions about installation, or need further support, please contact Fantini Cosmi customer service.
- Pengeluar: Fantini Cosmi SpA
- Webtapak: www.fantinicosmi.it (Please check for local contact information)
- Online Purchase Support: For issues related to your purchase, returns, or delivery, please contact the retailer (e.g., Amazon.it product page).





