1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Fantini Cosmi C16L Electromechanical Thermostat. This device is designed for precise temperature control in civil and industrial heating and air-conditioning systems. It features a gas expansion sensor for reliable temperature detection and a signal light to indicate operational status.
2. Safety Information
Please read all safety warnings and instructions carefully before installing or operating this thermostat. Failure to follow these instructions may result in electric shock, fire, or damage to the product.
- Electrical Hazard: Disconnect power at the circuit breaker or fuse box before installation or servicing.
- Professional Installation Recommended: Installation should be performed by a qualified electrician in accordance with all local and national electrical codes.
- Voltage: This thermostat operates on 230 Volts AC/DC. Ensure your system's voltage matches this requirement.
- Do not expose the thermostat to water or excessive humidity.
- Do not attempt to disassemble or repair the thermostat yourself. Refer all servicing to qualified personnel.
3. Package Contents
Verify that all items are present in the package:
- Fantini Cosmi C16L Electromechanical Thermostat (Quantity: 1)
4. Product Overview
The Fantini Cosmi C16L thermostat is a wall-mounted device featuring a mechanical knob for temperature adjustment and an integrated signal light.
This image displays the front face of the Fantini Cosmi C16L thermostat. It features a large circular dial for temperature adjustment on the right, marked with degrees Celsius and a snowflake symbol for frost protection. To the left of the dial, a small circular signal light is visible, indicating operational status. The brand name 'FANTINI COSMI' and model 'C16' are printed below the dial.
This image provides an angled perspective of the Fantini Cosmi C16L thermostat, highlighting its compact, rectangular shape and depth. The top surface features ventilation slots, and the front displays the temperature control dial and signal light, similar to the main view, but offering a three-dimensional understanding of the device.
5. Setup and Installation
The Fantini Cosmi C16L thermostat is designed for wall mounting. Ensure the installation location is free from direct sunlight, drafts, or heat sources that could affect temperature readings.
5.1. Mounting
- Disconnect Power: Turn off power to the heating/cooling system at the main circuit breaker.
- Select Location: Choose an interior wall, approximately 1.5 meters (5 feet) above the floor, away from windows, doors, and heat-emitting appliances.
- Prepare Wiring: Route the necessary electrical wires from your heating/cooling system to the chosen mounting location.
- Mount Base Plate: Secure the thermostat's base plate to the wall using appropriate screws and anchors.
5.2. Wiring
Connect the electrical wires to the thermostat's terminals according to the wiring diagram provided with your specific heating/cooling system and the thermostat's internal markings. This device requires a wired connection and operates at 230V.
Note on Signal Light: The integrated signal light on the C16L model indicates the operational status of the thermostat. Its functionality depends on proper wiring to your system, typically requiring a specific circuit configuration (e.g., a third wire for the signal light if your system supports it). Consult a qualified electrician to ensure correct wiring for the signal light to function as intended with your boiler or HVAC system.
- Connect Wires: Carefully connect the system wires to the corresponding terminals on the thermostat.
- Secure Thermostat: Once wiring is complete, attach the thermostat's front cover to the mounted base plate.
- Restore Power: Turn the power back on at the circuit breaker.
6. Operating Instructions
The Fantini Cosmi C16L thermostat is simple to operate using its mechanical temperature control knob.
- Setting Temperature: Rotate the large circular dial on the front of the thermostat to your desired temperature setting. The dial is marked in degrees Celsius.
- Signal Light: The small circular light will illuminate to indicate when the heating or cooling system is actively running to reach the set temperature.
- Frost Protection: The thermostat includes a frost protection feature, indicated by a snowflake symbol on the dial. Setting the dial to this position will maintain a minimum temperature to prevent freezing in unoccupied spaces.
7. Maintenance
The Fantini Cosmi C16L thermostat requires minimal maintenance.
- Cleaning: Periodically wipe the exterior of the thermostat with a soft, dry cloth to remove dust. Do not use liquid cleaners or abrasive materials.
- No User-Serviceable Parts: There are no user-serviceable parts inside the thermostat. Do not open the casing.
8. Troubleshooting
If you experience issues with your thermostat, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat not turning on/off system | No power; incorrect wiring; system malfunction. | Check circuit breaker. Verify wiring connections (consult electrician). Check heating/cooling system. |
| Inaccurate temperature reading | Thermostat located near heat source/draft; sensor obstruction. | Relocate thermostat if possible. Ensure no objects block air circulation around the thermostat. |
| Signal light not working | Incorrect wiring for signal light; light bulb failure (unlikely for LED). | Consult an electrician to verify signal light wiring compatibility with your system. |
If problems persist after attempting these solutions, contact a qualified technician or the manufacturer for assistance.
9. Specifications
Key technical specifications for the Fantini Cosmi C16L thermostat:
| Feature | Detail |
|---|---|
| Model Number | C16L |
| Brand | Fantini Cosmi |
| Controller Type | Mechanical knob |
| Special Feature | Frost Protection, Signal Light |
| Color | White (Bianco) |
| Specific Uses | Boiler, Heating, Air-conditioning systems |
| Power Source | AC/DC |
| Voltage | 230 Volts |
| Connectivity Technology | Wired |
| Mounting Type | Wall Mount |
| Display Type | Manual |
| Product Dimensions (L x W x H) | 3.62 x 1.46 x 2.99 inches (approx. 9.2 x 3.7 x 7.6 cm) |
| Item Weight | 4.9 ounces (approx. 140 grams) |
This diagram illustrates the precise dimensions of the Fantini Cosmi C16L thermostat. It includes top-down and side-profile views with measurements in millimeters: 92mm width, 76mm height, and 37mm depth. These measurements are crucial for planning installation space.
10. Warranty and Support
For information regarding warranty coverage, technical support, or service, please contact your retailer or the manufacturer, Fantini Cosmi S.p.A., directly. Please have your product model number (C16L) and purchase details available when contacting support.
