Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of your LUX Pro PSD111B Non-Programmable Thermostat. This thermostat is designed for use with 1 Heat, 1 Cool systems, offering reliable temperature control for your home.

Imatge: Frontal view of the Lux Pro PSD111B thermostat, displaying the current temperature and mode on its digital screen, with up/down temperature adjustment buttons and system mode switches on the side.
Configuració i instal·lació
Què hi ha a la caixa?

Image: Contents of the product packaging, including the thermostat unit, mounting screws, wall anchors, and wire labels for organized installation.
- 1 x LUX Pro PSD111B Thermostat
- 2 x cargols de muntatge
- 2 x Ancoratges de paret
- Etiquetes de filferro
- Manual d'instruccions
Opcions de muntatge
The PSD111B thermostat can be installed in either a horizontal or vertical orientation to suit your wall space and aesthetic preferences.

Image: Diagram illustrating the thermostat's ability to be mounted horizontally or vertically, highlighting its large backlit display and dual power capability (2 AA batteries or 24 VAC).
Compatibilitat del sistema
This unit is compatible with most 24-volt gas, oil, or electric heating and air conditioning systems, gas millivolt heating systems, and single-stage heat pumps. It is not compatible with 120-volt heating systems or two-stage bombes de calor.

Image: A chart detailing system compatibility. It shows the thermostat is compatible with 24V Heat (Gas/Oil/Electric Furnace - Heating only, Single Stage, Heat Pump w/o Auxiliary Heat, 2-wire Hydronic, 750 Millivolt, Gas Fireplaces) and 24V Cool (Cooling only, Single stage cooling). It is not compatible with Heat Pump Multistage, Radiant Ceiling Heat, Electric Baseboards, Heat Pump w/ Auxiliary Heat, Portable space heaters, 3-wire Hydronic, Gas/Oil/Electric Furnace - Multistage, Cool Multistage, or Plug-in air conditioners.
Esquemes de cablejat
Refer to the following diagrams for proper wiring connections. Always turn off power to your HVAC system at the circuit breaker before beginning any wiring work.

Image: Wiring diagrams for various HVAC configurations, including heating systems, cooling systems, and heating/cooling systems with one transformer. It shows terminal connections for W, RH, B, O, RC, Y, G, C, and jumper selections for RH-RC.

Image: Advanced wiring diagrams for the thermostat, covering typical 2-wire heat hookup, 3-wire heat hookup, 4-wire heating and cooling, 5-wire heating and cooling, and single-stage heat pump configurations. It details connections for gas valves, transformers, and cool compressors.
Important: Ensure the RH-RC jumper is correctly set based on your system's wiring (shorted for single transformer systems, not shorted for two transformer systems).
Font d'alimentació
The thermostat operates on 2 AA alkaline batteries (included) or can be powered by a 24-volt AC system. The easy-view backlight requires battery power.
Instruccions de funcionament
Tauler de control acabatview

Image: A labeled diagram of the thermostat's control panel, indicating the 'TEMP UP' and 'TEMP DOWN' buttons, the 'MODE' switch (HEAT, OFF, COOL), and the 'FAN MODE' switch (ON, AUTO).
- TEMP UP/DOWN Buttons: Ajusteu la temperatura desitjada.
- Interruptor de MODE: Select the system operation mode:
- CALOR: Activa el sistema de calefacció.
- DESACTIVAT: Apaga tant els sistemes de calefacció com els de refrigeració.
- GUAI: Activa el sistema de refrigeració.
- FAN MODE Switch: Controls the fan operation:
- ACTIVITAT: El ventilador funciona contínuament.
- AUTOMÀTIC: El ventilador només funciona quan el sistema de calefacció o refrigeració està actiu.
Visualització de la temperatura
You can choose to display the temperature in either Fahrenheit (°F) or Celsius (°C). Refer to the internal settings or specific instructions for switching between these units.
Adjustable Temperature Swing (Differential)
The thermostat features a 9-step adjustable temperature swing setting. This allows you to control the temperature differential (the difference between when the system turns on and off) for precise comfort management. A smaller swing results in more frequent, shorter cycles, while a larger swing results in less frequent, longer cycles.
High and Low Temperature Limits
Set adjustable high and low temperature limits to prevent the system from heating or cooling beyond a desired range, ensuring energy efficiency and comfort.
Retard del compressor
The thermostat includes a 2 or 5-minute compressor delay to protect your cooling system from short cycling. There is also a test mode to temporarily disable this delay for installation or diagnostic purposes.
Manteniment
Canvi de bateria
The thermostat requires 2 AA alkaline batteries. When the battery indicator appears on the display, replace both batteries promptly to ensure continuous operation and maintain the backlight function. To replace, carefully remove the thermostat from its wall plate and insert new batteries according to the polarity markings.
Neteja
Netegeu l'exterior del termòstat amb un drap suau iamp cloth. Do not use abrasive cleaners or solvents, as these can damage the unit.
Resolució de problemes
Si teniu problemes amb el termòstat, torneu aview els següents problemes i solucions habituals:
- No Display or Low Battery Indicator: Replace the 2 AA batteries. Ensure they are inserted with correct polarity.
- El sistema no respon (calefacció/refrigeració):
- Check if the system mode switch is set to HEAT or COOL.
- Verifiqueu que la temperatura desitjada estigui configurada per sobre (per a calefacció) o per sota (per a refrigeració) de la temperatura ambient actual.
- Ensure the circuit breaker for your HVAC system is not tripped.
- Confirm proper wiring connections, especially the RH-RC jumper.
- El ventilador no funciona:
- If the fan switch is set to AUTO, the fan will only run when heating or cooling is active. Set to ON for continuous operation.
- Check fan wiring connections.
- Lectura de temperatura inexacta: Assegureu-vos que el termòstat no estigui exposat a la llum solar directa, corrents d'aire ni fonts de calor que puguin afectar el seu sensor.
- Short Cycling (System turns on/off too frequently): Adjust the temperature swing setting to a larger differential.
If problems persist after attempting these solutions, contact LUX customer support or a qualified HVAC technician.
Especificacions
| Característica | Detall |
|---|---|
| Marca | LUX |
| Nom del model | PSD111B-010 |
| Dimensions del producte | 1 "P x 3.5" W x 4.7" H |
| Tipus de controlador | Pulsador |
| Característica especial | Volum baixtage |
| Color | Blanc |
| Usos específics per al producte | Aire condicionat, bomba de calor |
| Tipus de control de temperatura | Manual |
| Components inclosos | PSD111B-010 Mechanical Non-Programmable Thermostat |
| Font d'alimentació | AC/DC (2 AA batteries required) |
| Pes de l'article | 6.4 unces |
| Voltage | 24 Volts |
| Material | Plàstic |
| Forma | Rectangular |
| Tipus de visualització | LCD |
| Tipus de control | Control de botons |
| Tipus de muntatge | Muntatge de paret |
| Llum de fons | Yes (Easy-view retroiluminació) |
| UPC | 021079031115 |
| Data de primera disponibilitat | 5 de maig de 2005 |

Image: A hand holding the thermostat, illustrating its physical dimensions, specifically a height of 3.4 inches (8 cm).
Informació de la garantia
The LUX Pro PSD111B Thermostat comes with a Garantia limitada de 5 anys. Please retain your proof of purchase for warranty claims. For specific terms and conditions of the warranty, refer to the documentation included with your product or visit the official LUX weblloc.
Atenció al client
For technical assistance, troubleshooting, or further inquiries regarding your LUX Pro PSD111B Thermostat, please visit the official LUX weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Normalment, podeu trobar la informació de contacte al fabricant weblloc o a l'embalatge del producte.
També podeu visitar el Botiga LUX a Amazon per obtenir més informació sobre el producte i recursos.





