1. Introducción
The Dometic Duo Therm Comfort Control 2 (CCC2) is an advanced thermostat designed for precise climate control in recreational vehicles (RVs). This unit allows for accurate temperature management and can control up to four zones independently, providing optimal comfort. Featuring a large, easy-to-read SMX blue light display and built-in error codes for simplified diagnostics, the CCC2 enhances your RV living experience.

Image 1.1: The Dometic Duo Therm Comfort Control 2 (CCC2) in black, a programmable thermostat for RV HVAC systems.
2. Información de seguridad
Please read all safety instructions carefully before installation and operation. Failure to follow these instructions could result in property damage, personal injury, or death.
- Always disconnect power to the RV's HVAC system before performing any installation or maintenance.
- La instalación debe ser realizada por un técnico calificado si no está seguro de algún paso.
- Asegúrese de que todas las conexiones del cableado sean seguras y cumplan con los códigos eléctricos locales.
- Do not expose the control unit to water or excessive moisture.
- Keep children away from the control unit during operation and maintenance.
3. Contenido del paquete
Verifique que todos los artículos estén presentes en el paquete:
- 1 x Dometic Duo Therm Comfort Control 2 (CCC2) Thermostat Unit
- 1 x Installation and Operation Manual (this document)
- Herrajes de montaje (tornillos, anclajes de pared)
Note: Additional components such as the air distribution box or specific wiring harnesses for your RV's HVAC system are sold separately and are required for a complete installation.
4. Instalación
This section provides general guidelines for installing the Dometic CCC2 thermostat. Specific wiring and mounting procedures may vary based on your RV model and existing HVAC system. Consult your RV's manufacturer manual for detailed wiring diagrams.
4.1. Ubicación de montaje
- Choose a central location on an interior wall, away from direct sunlight, heat sources, or drafts, to ensure accurate temperature readings.
- Ensure there is sufficient space for wiring access behind the thermostat.
4.2. Conexiones de cableado
The CCC2 thermostat typically connects to your RV's HVAC system via a multi-conductor cable. The back of the unit features a phone-jack style connector (RJ11 or similar) for communication with the main control board of your Dometic HVAC system.
- Desconexión de energía: Turn off all power to the RV's HVAC system at the circuit breaker or fuse panel.
- Retire el termostato viejo: Carefully remove your existing thermostat from the wall. Disconnect any wiring, noting the color and terminal connections for reference.
- Mounting the CCC2: Secure the CCC2 mounting plate to the wall using the provided screws and anchors. Ensure the plate is level.
- Conectar el cableado: Connect the multi-conductor cable from your HVAC system to the phone-jack style port on the back of the CCC2 unit. Ensure the connection is firm and secure.
- Conecte el termostato: Snap or screw the CCC2 thermostat unit onto its mounting plate.
- Restaurar energía: Restore power to the RV's HVAC system. The thermostat display should illuminate.
If your RV's wiring does not have a compatible phone-jack style connector, an adapter or professional installation may be required. Refer to the Dometic service manual for detailed wiring diagrams specific to your HVAC system.
5. Instalación y configuración
Upon initial power-up or after a power interruption, the CCC2 may require basic setup. The large SMX blue light display will guide you through the process.
- Arranque inicial: The display will show a startup sequence.
- Selección de zona: If your system supports multiple zones, you may be prompted to select or configure zones. The CCC2 can control up to four zones independently.
- Selección de modo: Choose your desired operating mode (e.g., Cool, Heat, Fan, Auto).
- Ajuste de temperatura: Use the touch controls to set your desired temperature.
6. Instrucciones de funcionamiento
The Dometic CCC2 features intuitive touch controls and a clear LCD display for easy operation.
6.1. Funcionamiento básico
- Encendido/apagado: Presione el botón de encendido para encender o apagar la unidad.
- Selección de modo: Press the Mode button to cycle through available modes: Cool, Heat, Fan, Auto, Off.
- Ajuste de temperatura: Use the Up/Down arrows on the touch screen to adjust the set temperature.
- Velocidad del ventilador: In Fan or Cool/Heat modes, press the Fan button to cycle through fan speeds (Low, Medium, High, Auto).
6.2. Control de zona
If your RV has multiple HVAC zones, the CCC2 allows individual control:
- Press the Zone button to select the zone you wish to control. The active zone will be indicated on the display.
- Adjust the mode, temperature, and fan speed for the selected zone as desired.
6.3. Funciones programables
The CCC2 is a programmable thermostat, allowing you to set schedules for temperature changes throughout the day or week. Consult the detailed user manual for programming instructions.
7. Mantenimiento
Regular maintenance ensures optimal performance and longevity of your Dometic CCC2 thermostat.
- Limpieza: Wipe the display and exterior with a soft, damp Paño. No utilice limpiadores abrasivos ni disolventes.
- Espacio libre del sensor: Ensure the temperature sensor (usually a small opening on the unit) is free from dust and obstructions for accurate readings.
- Comprobaciones del sistema: Periodically check your entire RV HVAC system, including air filters and outdoor units, as recommended by their respective manufacturers.
8. Solución de problemas
The Dometic CCC2 is equipped with built-in error codes to assist in diagnosing issues. If a problem occurs, an error code may appear on the display.
| Problema | Posible causa | Solución |
|---|---|---|
| La pantalla está en blanco | No llega energía a la unidad. | Check RV circuit breakers/fuses. Ensure all wiring connections are secure. |
| Lectura de temperatura incorrecta | Sensor obstructed or located near heat/cold source. | Clear any obstructions from the sensor. Relocate thermostat if necessary (professional assistance recommended). |
| El sistema HVAC no responde | Communication error or system fault. | Check for error codes on the display and consult the full Dometic service manual for specific code meanings. Verify cable connections. |
| Zone control issues | Incorrect zone configuration or wiring. | Review zone setup in the thermostat menu. Inspect wiring to individual zone components. |
For persistent issues or specific error codes, contact Dometic customer support or a certified RV technician. The built-in error codes are designed to assist factory or dealer assistance.
9. Especificaciones
| Característica | Detalle |
|---|---|
| Marca | Dometic |
| Número de modelo | 3314082.000 (también conocido como 3312024.000) |
| Tipo de controlador | Control táctil |
| Característica especial | Light Display (SMX blue light) |
| Color | Negro |
| Usos específicos | HVAC Systems (RV applications) |
| Tipo de control de temperatura | Programable |
| Tecnología de conectividad | Wired (RJ11-style connection) |
| Fuente de poder | Eléctrico con cable (24 voltios) |
| Peso del artículo | 0.01 onzas |
| Dimensiones del producto | 7.8 x 0.6 x 2.5 pulgadas |
| Tipo de pantalla | Pantalla LCD |
| Tipo de montaje | Montaje en pared |
| Iluminar desde el fondo | Sí |
10. Garantía y soporte
For warranty information, technical support, or to purchase replacement parts, please contact Dometic customer service directly. Keep your purchase receipt and product model number handy when contacting support.
- Dometic Websitio: www.dometic.es
- Servicio al cliente: Consulte el Dometic webSitio para información de contacto regional.





