1. Introduzzjoni
This manual provides comprehensive instructions for the installation, operation, and maintenance of your LUX Pro PSD111B Non-Programmable Thermostat. This device is designed for residential use to control 1 Heat, 1 Cool HVAC systems, offering reliable and straightforward temperature management.

Figure 1: LUX Pro PSD111B Thermostat Front View
2. Karatteristiċi ewlenin
- Installazzjoni versatili: Can be installed in either horizontal or vertical orientation.
- Wirja ċara: Features an easy-view backlit display for enhanced readability.
- Imħaddma bil-batterija: Operates on 2 included AA alkaline batteries, ensuring reliable power.
- Unitajiet tat-temperatura: Choose between Fahrenheit or Celsius temperature display options.
- Kontroll preċiż: Adjustable temperature swing settings with 9-step control for accurate temperature management.
- Safety Limits: Offers adjustable high and low temperature limits for customized comfort control.

Figura 2: Karatteristiċi tal-Prodott 'il Fuqview
3. Kompatibilità tas-Sistema
The LUX Pro PSD111B thermostat is designed for use with most 24-volt gas, oil, or electric heating and air conditioning systems, gas millivolt heating systems, and single-stagpompi tas-sħana e. Mhuwiex kompatibbli ma' sistemi ta' tisħin ta' 120 volt jew two-stage pompi tas-sħana.
Sistemi Kompatibbli (24V)
- Gas/Oil/Electric Furnace - Heating only
- Gas/Oil/Electric Furnace - Single Stage
- Pompa tas-Sħana mingħajr Sħana Awżiljarja
- 2-wire Hydronic (Hot Water)
- 750 Millivolt
- Gas Fireplaces (24V)
- Tkessiħ biss
- Uniku stagtkessiħ
Mhux Kompatibbli Ma '
- Heat Pump Multistage
- Radiant Ceiling Heat
- Electric Baseboards
- Pompa tas-Sħana b'Sħana Awżiljarja
- Portable space heaters
- 3-wire Hydronic (Hot Water)
- Gas/Oil/Electric Furnace - Multistage
- Cool Multistage
- Plug-in air conditioners

Figure 3: System Compatibility Chart
4. X'hemm fil-Kaxxa
Your LUX Pro PSD111B Non-Programmable Thermostat package includes the following items:
- PSD111B Thermostat Unit
- 2 ST screws
- 2 ankri tal-ħajt
- Tikketti tal-wajer
- Manwal ta' Istruzzjoni
- 2 batteriji alkalini AA

Figura 4: Komponenti Inklużi
5. Setup u Installazzjoni
Before beginning installation, ensure the power to your HVAC system is turned off at the circuit breaker to prevent electrical shock or damage to the system.
5.1 Immuntar tat-Termostat
- Carefully remove your old thermostat. Take a photo of the existing wiring connections for reference.
- Mount the new thermostat base plate to the wall using the provided screws and anchors. The thermostat can be installed in either horizontal or vertical orientation.
- Feed wires through the back of the thermostat base and securely mount to the wall with supplied screws and anchors.

Figura 5: Għażliet ta' Immuntar
5.2 Istruzzjonijiet tal-Wiring
Refer to the wiring diagrams below for typical hookups. Use the provided wire labels to correctly identify and connect wires from your HVAC system to the corresponding terminals on the thermostat base.

Figure 6: Typical Wiring Diagrams

Figure 7: Detailed Wiring Hookups
5.3 Gas/Electric System Selection
Locate the small switch inside the thermostat unit. Slide the switch to the 'GAS' position for gas heating systems or 'ELEC' for electric heating systems (including heat pumps).
5.4 Installazzjoni tal-batterija
Insert the two AA alkaline batteries into the battery compartment located at the bottom of the thermostat. Ensure correct polarity. Remove any protective tabs if present.
5.5 Assemblea Finali
Once wiring and settings are complete, carefully snap the thermostat front cover onto the mounted base plate. Restore power to your HVAC system at the circuit breaker.
Video 1: Installation and Wiring Overview for LuxPro Thermostat
6. Istruzzjonijiet Operattivi
The PSD111B is a non-programmable thermostat, offering simple manual control over your home's temperature.
6.1 Aġġustament tat-Temperatura
Use the UP (▲) and DOWN (▼) arrow buttons on the front of the thermostat to set your desired temperature. The display will show the current room temperature and your set temperature.

Figure 8: Simple and Intuitive Control Panel
6.2 System Mode Selection
Use the SYSTEM switch located on the side of the thermostat to select the operating mode:
- SĦANA: Activates the heating system when the room temperature falls below your set temperature.
- MITFI: Itfi kemm is-sistemi tat-tisħin kif ukoll dawk tat-tkessiħ.
- Kessaħ: Activates the cooling system when the room temperature rises above your set temperature.
6.3 Fan Mode Selection
Use the FAN switch located on the side of the thermostat to select the fan operation mode:
- AUTO: Il-fann jaħdem biss meta s-sistema tat-tisħin jew tat-tkessiħ tkun qed taħdem b'mod attiv.
- FUQ: Il-fann jaħdem kontinwament, irrispettivament minn jekk is-sistema tat-tisħin jew tat-tkessiħ hijiex attiva.
7. Manutenzjoni
7.1 Sostituzzjoni tal-batterija
When the battery indicator appears on the display, replace the two AA alkaline batteries promptly. Open the battery compartment at the bottom of the thermostat, remove old batteries, and insert new ones, ensuring correct polarity. The thermostat retains settings during battery changes.
7.2 Tindif
Naddaf il-barra tat-termostat b'ċarruta ratba uamp drapp. Tużax tindif jew solventi li joborxu.
8 Issolvi l-problemi
If your thermostat is not functioning as expected, consider the following:
- Ebda Display: Iċċekkja jekk il-batteriji humiex installati sew u għandhomx biżżejjed ċarġ. Ibdelhom jekk meħtieġ.
- Is-Sistema Mhux Qed Tirrispondi: Ensure the SYSTEM switch is set to HEAT or COOL, not OFF. Verify the fan switch is in the desired position (AUTO or ON). Check your circuit breaker for the HVAC system.
- Qari tat-Temperatura Mhux Korrett: Allow the thermostat to acclimate to the room temperature for at least 15 minutes after installation or significant temperature changes.
- Heating/Cooling Cycles Too Frequently/Infrequently: Adjust the temperature swing settings (9-step control) to fine-tune the cycle frequency.
9. Speċifikazzjonijiet
| Speċifikazzjoni | Dettall |
|---|---|
| Brand | LUX |
| Isem tal-Mudell | PSD111B-010 |
| Dimensjonijiet tal-Prodott | 1"D x 3.5"W x 4.7"H |
| Tip ta' Kontrollur | Imbotta Buttuna |
| Karatteristika Speċjali | Vol baxxtage |
| Kulur | Abjad |
| Użi Speċifiċi Għall-Prodott | Kondizzjonatur tal-Arja, Pompa tas-Sħana |
| Tip ta' Kontroll tat-Temperatura | Manwal |
| Komponenti Inklużi | Termostat Mekkaniku Mhux Programmabbli PSD111B-010 |
| Sors tal-Enerġija | AC/DC (meħtieġa 2 batteriji AA) |
| Piż tal-oġġett | 6.4 uqija |
| Voltage | 24 Volts |
| Materjal | Plastik |
| Tip ta 'Wiri | LCD |
| Tip ta 'Immuntar | Mount Wall |
10. Garanzija u Appoġġ
The LUX Pro PSD111B Non-Programmable Thermostat comes with a 5-year limited warranty. For support or warranty claims, please refer to the contact information provided in your owner's manual or visit the official LUX websit.





