1. Introduktion
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. Sikkerhedsinstruktioner
- Elektrisk sikkerhed: 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 systemer.
- Miljø: Udsæt ikke enheden for fugt, ekstreme temperaturer eller direkte sollys.
- Håndtering: Handle the thermostat with care to avoid physical damage.
- Bortskaffelse: Dispose of the product and its components responsibly, following local environmental regulations.
3. Pakkens indhold
Please check the package contents upon unpacking to ensure all parts are present:
- Rehau Nea H 24 Wired Room Thermostat
- Vægbeslag
- Up to 5 actuators (depending on specific kit/purchase)
- Brugervejledning (dette dokument)
4. Opsætning og installation
4.1 Montering
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 Ledningsføring
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.

Figur 1: Forside 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. Betjeningsvejledning
The Rehau Nea H 24 thermostat offers various operating modes and features to manage your surface heating system efficiently.
5.1 driftstilstande
- Automatisk tilstand: The thermostat follows a pre-programmed schedule (if connected to an external digital timer like the Nea timer).
- Normal tilstand: Maintains a comfortable set temperature.
- Reduceret tilstand: Opretholder en lavere, energibesparende temperatur.
- Optional Modes: Additional modes may be available depending on the connected external timer or system configuration.
5.2 Nøglefunktioner
- Temperaturreduktion: Can be achieved via an external digital timer (e.g., Nea timer) for scheduled energy savings.
- Frostbeskyttelsesfunktion: 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.
- Datovisning: The thermostat features a display that can show the current date.
- Temperaturjustering: Use the '+' and '-' buttons to adjust the desired temperature setpoint.
6. Vedligeholdelse
The Rehau Nea H 24 thermostat requires minimal maintenance.
- Rensning: 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 eller interne komponenter.
- Inspektion: Periodically check the wiring connections for any signs of wear or looseness. Ensure the thermostat is securely mounted.
7. Fejlfinding
If you encounter issues with your Rehau Nea H 24 thermostat, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Thermostat not powering on / No display |
|
|
| Heating not responding to thermostat settings |
|
|
| Upræcise temperaturmålinger |
|
|
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. Tekniske specifikationer
| Modelnummer | 13360241001 |
| Mærke | REHAU |
| Anvendelse | Ambient temperature control for surface heating systems |
| Voltage | 24 volt |
| Forbindelsesteknologi | Kablet |
| Controller type | Tryk-knap |
| Temperaturkontrol type | Programmable (with external timer) |
| Mål (L x H x D) | 88 x 88 x 26 mm |
| Beskyttelsesklasse | IP30 |
| Farve | Front: Signal White (RAL 9016), Back: Anthracite Grey (RAL 7016) |
| Vægt | 130 gram |
| Max. Servomotors | 5 (connectable) |
| Særlige funktioner | Date display, Frost protection, Valve protection |
| Certificeringer | CE according to EN 60730-2-9 and EN 60730-1, VDE according to EN 60730-2-9 and EN 60730-1 |
9. Garanti og 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 webwebsted for kontaktoplysninger.
It is recommended to keep your purchase receipt as proof of purchase for any warranty-related matters.





