1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of the Rehau Nea H 24 Wired Room Thermostat 24V. This device is designed for controlling the ambient temperature of surface heating systems.
The Rehau Nea H 24 thermostat is CE and VDE approved according to EN 60730-2-9 and EN 60730-1 standards, ensuring reliable and safe operation.
2. Istruzzioni di sicurità
- Sicurezza elettrica: Installation and wiring must be performed by a qualified electrician in accordance with local electrical codes and regulations. Ensure the power supply is disconnected before any installation or maintenance work.
- Voltage: This thermostat operates on 24V. Do not connect it to higher voltage sistemi.
- Ambiente: Ùn espone micca u dispusitivu à l'umidità, à temperature estreme o à a luce diretta di u sole.
- Trattamentu: Handle the thermostat with care to avoid physical damage.
- Eliminazione: Dispose of the product and its components responsibly, following local environmental regulations.
3. Cuntenutu di u pacchettu
Please check the package contents upon unpacking to ensure all parts are present:
- Rehau Nea H 24 Wired Room Thermostat
- Supportu di muru
- Up to 5 actuators (depending on specific kit/purchase)
- Manuale d'uso (stu documentu)
4. Setup è Installazione
4.1 Muntamentu
The Rehau Nea H 24 thermostat is suitable for mounting on a flush-mounted box or directly on the wall. Choose a location that accurately represents the room's temperature, away from direct heat sources, drafts, or direct sunlight.
4.2 Cablu
This thermostat uses a wired connection and operates on 24V. It can connect to a maximum of 5 servo motors. Refer to the wiring diagram provided with your heating system or consult a qualified electrician for proper connection. Ensure all connections are secure and insulated.
Figura 1: Fronte view of the Rehau Nea H 24 Wired Room Thermostat. The thermostat is white with a central grey rectangular display. A minus button (-) is located to the left of the display, and a plus button (+) is to the right. The REHAU logo is printed at the bottom center of the unit.
5. Operating Instructions
The Rehau Nea H 24 thermostat offers various operating modes and features to manage your surface heating system efficiently.
5.1 Modi di funziunamentu
- Modu automaticu: The thermostat follows a pre-programmed schedule (if connected to an external digital timer like the Nea timer).
- Modu normale: Maintains a comfortable set temperature.
- Modu ridutta: Maintains a lower, energy-saving temperature.
- Optional Modes: Additional modes may be available depending on the connected external timer or system configuration.
5.2 Funzioni chjave
- Riduzzione di a temperatura: Can be achieved via an external digital timer (e.g., Nea timer) for scheduled energy savings.
- Funzione di prutezzione di Frost: Automatically activates heating to prevent pipes from freezing if the temperature drops below a set threshold.
- Valve Protection Function: Periodically cycles the heating valves to prevent them from seizing due to inactivity.
- Data Display: The thermostat features a display that can show the current date.
- Ajuste di temperatura: Use the '+' and '-' buttons to adjust the desired temperature setpoint.
6. Mantenimentu
The Rehau Nea H 24 thermostat requires minimal maintenance.
- Pulizia: Wipe the surface of the thermostat with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the casing o cumpunenti interni.
- Ispezione: Periodically check the wiring connections for any signs of wear or looseness. Ensure the thermostat is securely mounted.
7. Risoluzione di prublemi
If you encounter issues with your Rehau Nea H 24 thermostat, refer to the following common problems and solutions:
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Thermostat not powering on / No display |
|
|
| Heating not responding to thermostat settings |
|
|
| Letture imprecise di temperatura |
|
|
Note: One user reported a circuit board issue upon initial power-on. This is often related to incorrect wiring or power supply issues rather than a defect in the thermostat itself. Always ensure correct voltage and wiring before powering on.
8. Specifiche tecniche
| Numero di mudellu | 13360241001 |
| Marca | REHAU |
| Applicazione | Ambient temperature control for surface heating systems |
| Voltage | 24 Volts |
| Tecnulugia di cunnessione | Wired |
| Tipu di cuntrollu | Pulsante |
| Tipu di cuntrollu di temperatura | Programmable (with external timer) |
| Dimensioni (L x H x P) | 88 x 88 x 26 mm |
| Classe di prutezzione | IP30 |
| Culore | Front: Signal White (RAL 9016), Back: Anthracite Grey (RAL 7016) |
| Pesu | 130 grammi |
| Max. Servomotors | 5 (connectable) |
| Funzioni spiciali | Date display, Frost protection, Valve protection |
| Certificazioni | CE according to EN 60730-2-9 and EN 60730-1, VDE according to EN 60730-2-9 and EN 60730-1 |
9. Garanzia è Support
Information regarding specific spare parts availability is not provided. For warranty claims, technical support, or service inquiries, please contact REHAU customer service directly or refer to their official websitu per i dati di cuntattu.
It is recommended to keep your purchase receipt as proof of purchase for any warranty-related matters.
