1. Introducció
This user manual provides detailed instructions for the installation, operation, and maintenance of the Schneider Electric SpaceLogic Thermostat, Model TC907-3A2L-WG. This thermostat is designed for HVAC applications, specifically for fan coil or heat pump systems, offering precise temperature control and fan speed management.
The TC907-3A2L-WG is a standalone, 240V room thermostat featuring an LCD display and 5 intuitive buttons for easy control. It supports 2-point control of 4-wire systems and includes control for 3-speed fans. Optimized for various environments including office buildings, hotels, hospitals, and residential applications, it is suitable for both 2-pipe and 4-pipe systems.

Figure 1: Schneider Electric SpaceLogic Thermostat (Model TC907-3A2L-WG)
This image shows the front of the thermostat, highlighting its gold finish, the large LCD screen, and the five control buttons located below the display. The buttons are clearly visible, indicating power, mode, up, down, and fan speed controls.
2. Informació de seguretat
WARNING: Risk of electric shock. Installation and servicing must be performed by qualified personnel only. Disconnect power before installation or servicing.
- Llegiu atentament totes les instruccions abans de la instal·lació i el funcionament.
- Ensure the power supply to the thermostat is disconnected at the circuit breaker before any wiring is performed.
- No utilitzeu el termòstat amb les mans mullades.
- Do not expose the thermostat to direct water spray or excessive humidity.
- Comproveu que el voltage rating of the thermostat matches your electrical system (240V).
3. Producte acabatview
3.1. Components
- Pantalla LCD: Large backlit screen displaying operation status (cooling, heating, ventilation), fan speed, room temperature, and set-point.
- Botons de control: Five mechanical buttons for power, mode selection, temperature adjustment (up/down), and fan speed control.
- Habitatge: C duradorasing, gold finish, designed for wall mounting.
- Sensors interns: For accurate room temperature measurement.
3.2. Funcions del botó
| Icona del botó | Funció | Descripció |
|---|---|---|
| ⏻ (Power) | Encès/Apagat | Press to turn the thermostat on or off. |
| M (mode) | Selecció del mode | Cycles through operating modes: Cooling, Heating, Ventilation. |
| ⌃ (Up Arrow) | Increase Set-point | Increases the desired temperature set-point. |
| ⌄ (Down Arrow) | Decrease Set-point | Decreases the desired temperature set-point. |
| ⚙ (Fan) | Control de velocitat del ventilador | Cycles through fan speeds: Low, Medium, High, Auto. |
4. Configuració i instal·lació
The Schneider Electric SpaceLogic Thermostat is designed for easy installation. However, due to electrical connections, it is recommended that installation be performed by a qualified electrician.
4.1. Llista de verificació prèvia a la instal·lació
- Assegureu-vos que la font d'alimentació sigui de 240 V.
- Confirm compatibility with your HVAC system (2-pipe or 4-pipe fan coil/heat pump).
- Gather necessary tools: screwdriver, wire strippers, mounting hardware (included).
4.2. Ubicació de muntatge
Choose a location on an interior wall, approximately 1.5 meters (5 feet) above the floor. Avoid locations near heat sources (lamps, llum solar directa, xemeneies), corrents d'aire (finestres, portes) o zones amb mala circulació d'aire.
4.3. Instruccions de cablejat
- Desconnecteu l'alimentació: Turn off the power to the HVAC system at the main circuit breaker before beginning any wiring.
- Treure el termòstat antic (si escau): Carefully remove your old thermostat, noting the wire connections.
- Placa base de muntatge: Separate the front panel of the new thermostat from its base plate. Secure the base plate to the wall using the provided mounting hardware.
- Connecteu els cables: Connect the HVAC system wires to the corresponding terminals on the thermostat's base plate. Refer to the wiring diagram provided with the product packaging for specific terminal assignments (e.g., L, N, Fan High, Fan Med, Fan Low, Valve Open, Valve Close). This thermostat supports 2-point control of 4-wire systems.
- Termòstat segur: Once wiring is complete, carefully attach the front panel of the thermostat to the mounted base plate, ensuring it clicks securely into place.
- Restaura l'alimentació: Torneu a encendre l'alimentació al disjuntor.

Figure 2: Thermostat Wiring Terminals (Illustrative)
This image provides an illustrative view of the thermostat's rear panel, showing the various terminals for electrical connections. It emphasizes the importance of correct wiring for proper functionality.
5. Instruccions de funcionament
The TC907-3A2L-WG thermostat is designed for straightforward operation using its LCD display and five buttons.
5.1. Encendre/apagar
- Premeu el botó Poder (⏻) button to turn the thermostat on or off. When off, the display will be blank or show minimal information.
5.2. Selecció del mode de funcionament
- Premeu el botó Mode (M) premeu el botó repetidament per anar ciclant pels modes de funcionament disponibles:
- Refrigeració: Activates the cooling function of your HVAC system.
- Calefacció: Activates the heating function of your HVAC system.
- Ventilació: Operates the fan without heating or cooling, for air circulation only.
5.3. Adjusting Temperature Set-point
- Utilitza el Up (⌃) botó per augmentar la temperatura desitjada.
- Utilitza el Down (⌄) botó per disminuir la temperatura desitjada.
- The current room temperature and the set-point will be displayed on the LCD.
5.4. Controlling Fan Speed
- Premeu el botó Fan (⚙) button repeatedly to cycle through fan speed settings:
- Baix: Lowest fan speed.
- Mitjà: Medium fan speed.
- Alt: Highest fan speed.
- Automàtic: The thermostat automatically adjusts fan speed based on the temperature difference between the room and the set-point.

Figura 3: Pantalla i controls del termòstat
Aquesta imatge ofereix un primer pla view of the thermostat's LCD display, illustrating how temperature, mode, and fan speed settings are presented. The five control buttons are also visible at the bottom of the unit.
6. Manteniment
The Schneider Electric SpaceLogic Thermostat requires minimal maintenance to ensure optimal performance and longevity.
6.1. Neteja
- Netegeu la superfície del termòstat amb un drap suauamp tela.
- No utilitzeu netejadors abrasius, dissolvents ni esprais químics, ja que poden danyar la pantalla o laasing.
- Ensure the thermostat is off and power is disconnected before cleaning.
6.2. Flux d'aire
- Ensure that there is no obstruction to the airflow around the thermostat, as this can affect temperature readings.
7. Solució De Problemes
Si teniu problemes amb el termòstat, consulteu els problemes i solucions més comuns següents:
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla del termòstat està en blanc. | No power supply; Thermostat is off. | Check circuit breaker; Press the Power button (⏻). |
| El sistema de climatització no respon al termostat. | Incorrect wiring; System power off; Thermostat in wrong mode. | Verify wiring connections (refer to Section 4.3); Check HVAC system power; Ensure correct operating mode (Cooling/Heating). |
| Lectura de temperatura inexacta. | Thermostat exposed to drafts or heat sources; Sensor obstruction. | Relocate thermostat if possible; Ensure no obstructions around the unit. |
| Fan not operating at selected speed. | Fan mode set to 'Auto'; Wiring issue. | Change fan mode to Low/Medium/High; Check fan wiring. |
If the problem persists after attempting these solutions, please contact Schneider Electric customer support or a qualified technician.
8. Especificacions
| Característica | Detall |
|---|---|
| Número de model | TC907-3A2L-WG |
| Marca | Schneider Electric |
| Voltage | 240 Volts |
| Tipus de control | 2-point control of 4-wire systems |
| Control del ventilador | 3-Speed Fan Control (Low, Medium, High, Auto) |
| Tipus de visualització | LCD |
| Botons | 5 botons mecànics |
| Color | Or |
| Font d'alimentació | Cablejat |
| Dimensions del producte | 8.6 x 4 x 8.6 cm |
| Pes de l'article | 220 g |
| Components inclosos | Maquinari de muntatge |
| Fabricant | Schneider Electric |
| País d'origen | França |
9. Garantia i Suport
9.1. Informació de la garantia
This product comes with a manufacturer's warranty. Please refer to the warranty card included in the product packaging or visit the official Schneider Electric website for detailed warranty terms and conditions. Typically, a minimum 1-year manufacturer warranty is provided.
9.2. Atenció al client
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Schneider Electric customer support. Contact information can usually be found on the product packaging, the official Schneider Electric website, or through your local distributor.
També podeu visitar l'oficial Botiga Schneider Electric a Amazon per obtenir més informació sobre el producte i recursos d'assistència.





