1. Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your Jung TR UD LS 231 WW Universal Thermostat. Please read this manual carefully before installation and use to ensure proper function and safety. Keep this manual for future reference.
The Jung TR UD LS 231 WW is a universal room thermostat designed for precise measurement and regulation of room temperature. It features a clear backlit display and supports both heating and cooling functions.
2. Consignes de sécurité
Respectez toujours les consignes de sécurité suivantes afin d'éviter les blessures ou les dommages matériels :
- Installation and electrical connections must only be performed by a qualified electrician in accordance with local regulations and standards.
- Before any installation or maintenance work, ensure the power supply to the thermostat is disconnected at the main circuit breaker.
- N’exposez pas le thermostat à l’humidité, aux températures extrêmes ou à la lumière directe du soleil.
- N’ouvrez pas l’appareil et n’essayez pas de le réparer vous-même. Confiez toute réparation à un personnel qualifié.
- Assurez une ventilation adéquate autour du thermostat pour éviter toute surchauffe.
3. Produit terminéview
The Jung TR UD LS 231 WW thermostat features a user-friendly design with a clear digital display and intuitive controls.
Figure 3.1: Jung TR UD LS 231 WW Universal Thermostat Front View
The image displays the Jung TR UD LS 231 WW Universal Thermostat. It features a white frame and a clear digital display. The display shows a temperature reading of 21.0°C, indicates 'AUTO' mode, and the current time as 14:31. Below the main display, there are four control buttons: a mode button (represented by a square with a line), a minus button, a plus button, and a checkmark button. A small flame icon is visible on the right side of the display, indicating heating status. The overall design is clean and functional.
Éléments d'affichage :
- Affichage de la température: Shows the current room temperature and setpoint.
- Indicateur de mode : Displays the current operating mode (e.g., AUTO, Manual).
- Affichage de l'heure : Affiche l'heure actuelle.
- Indicateur de chauffage/refroidissement : Icons indicating active heating (flame) or cooling.
Boutons de contrôle :
- Mode Button (Square with line): Used to cycle through operating modes.
- Bouton moins (-) : Decreases temperature setpoint or navigates menu options.
- Bouton Plus (+) : Increases temperature setpoint or navigates menu options.
- Confirm (Checkmark) Button: Confirme les sélections ou accède aux paramètres.
4. Installation
The thermostat is designed for mounting in a standard flush-mounted box according to DIN 49 073. It requires a 230 V AC power supply and an N conductor.
4.1 Câblage
Avertissement: Ensure power is disconnected before wiring. Incorrect wiring can cause damage to the device or pose an electrical hazard.
- Connect the 230 V AC power supply to the designated terminals. An N conductor is required.
- Connect the two-wire heating/cooling system to the relay output terminals. The relay is potential-free.
- Reportez-vous au schéma de câblage fourni avec l'emballage du produit pour connaître l'affectation spécifique des bornes.
4.2 Montage
- After wiring, carefully place the thermostat into the flush-mounted box.
- Secure the thermostat using screws. This model uses screw fixing and does not require fixing claws.
- Attach the front cover and frame securely.
5. Mode d'emploi
5.1 Mise sous tension initiale
Once power is restored, the thermostat display will illuminate. It may show default settings or prompt for initial setup (e.g., time, date).
5.2 Réglage de la température
- En mode de fonctionnement normal, utilisez le Plus (+) et Moins (-) buttons to adjust the desired temperature setpoint.
- The temperature can be set in 0.5 °C increments within the range of 5 °C to 30 °C.
- The display will show the new setpoint temporarily, then revert to the current room temperature.
5.3 Changing Operating Modes
Appuyez sur le Mode Button (Square with line) to cycle through available operating modes, such as:
- VOITURE: Operates according to the programmed schedule.
- Manuel: Maintient une température constante définie par l'utilisateur.
- OFF/Standby: Turns off heating/cooling functions.
Confirmez votre sélection avec le Confirm (Checkmark) button if prompted.
6. Modes de programmation
The Jung TR UD LS 231 WW thermostat offers programmable features to optimize energy consumption and comfort. Specific programming steps may vary; refer to the detailed instructions in the full product manual for advanced settings.
6.1 Réglage de l'heure et de la date
Typically, this is the first step after installation or a power outage. Access the time/date setting menu by pressing and holding the Bouton de mode or a combination of buttons as indicated on the display.
- Utilisez le Plus (+) et Moins (-) boutons pour ajuster les valeurs.
- Utilisez le Bouton de mode or Confirm (Checkmark) button to move between fields (hours, minutes, day, month, year).
- Confirm all settings to save.
6.2 Creating a Weekly Schedule
The thermostat allows you to set different temperature setpoints for various times of the day and days of the week.
- Enter the programming menu (consult the full manual for specific button sequences).
- Sélectionnez le jour ou le groupe de jours que vous souhaitez programmer.
- Define time periods and their corresponding desired temperatures.
- Enregistrez le calendrier.
7. Entretien
7.1 Nettoyage
Pour préserver l'apparence et le fonctionnement de votre thermostat :
- Essuyez la surface avec un chiffon doux, damp tissu.
- Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the plastic and display.
- Veillez à ce qu'aucun liquide ne pénètre dans l'appareil.
7.2 Réserve de marche
The thermostat has an internal lithium cell providing a power reserve of approximately 10 years. This ensures that time and program settings are retained during short power outages. If the display remains blank after a prolonged power outage, the internal battery may need professional replacement.
8. Dépannage
If you experience issues with your thermostat, consult the table below for common problems and solutions. For problems not listed or if solutions do not resolve the issue, contact qualified service personnel.
| Problème | Cause possible | Solution |
|---|---|---|
| L'affichage est vide. | Pas d'alimentation électrique ; batterie interne déchargée. | Check circuit breaker. If power is present, internal battery may need replacement (professional service recommended). |
| Le thermostat ne contrôle pas le chauffage/la climatisation. | Incorrect wiring; wrong operating mode; setpoint not reached. | Verify wiring (power off first). Check operating mode (e.g., AUTO, Manual). Adjust setpoint to be above/below current room temperature. |
| La lecture de la température semble inexacte. | Thermostat situé près d'une source de chaleur/courant d'air ; obstruction du capteur. | Ensure thermostat is not exposed to direct drafts, sunlight, or heat sources. Clean any dust from sensor openings. |
9. Spécifications
| Fonctionnalité | Spécification |
|---|---|
| Numéro de modèle | TR UD LS 231 WW |
| Marque | Jung |
| Alimentation électrique | 230 V c.a. |
| Consommation d'énergie | Env. 1.2 W |
| Courant de commutation | 10 mA to 10 (4) A at 230 V AC |
| Plage de réglage de la température | +5 °C à +30 °C |
| Résolution d'affichage de la température | 0.1 °C |
| Valeur différentielle | 0.5 K (Adjustable) |
| Sortir | Relay (Normally Closed), Potential-free |
| Type de connexion | Two-wire, N conductor required |
| Réserve de marche | Approx. 10 years (Lithium cell) |
| Montage | Screw fixing, for flush-mounted box (DIN 49 073) |
| Matériel | Thermoplastique |
| Couleur | Blanc alpin |
| Dimensions (paquet) | 9.6 x 8.4 x 8.2 cm |
| Poids (article) | 200 g |
| Caractéristiques spéciales | Backlit display, Cooling function, Smartphone control support (via external system), Remote control (optional) |
10. Garantie et assistance
Jung products are manufactured to high quality standards. For information regarding warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official Jung website.
For technical support, spare parts, or service inquiries, please contact your local Jung distributor or authorized service center. Please have your model number (TR UD LS 231 WW) and purchase details ready when contacting support.
Spare parts availability information is currently unavailable through general product listings. Please inquire directly with Jung or an authorized dealer.
