1. Inleiding
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. Sleutel kenmerke
- Veelsydige installasie: Can be installed in either horizontal or vertical orientation.
- Vee skerm uit: Features an easy-view backlit display for enhanced readability.
- Battery aangedryf: Operates on 2 included AA alkaline batteries, ensuring reliable power.
- Temperatuur Eenhede: Choose between Fahrenheit or Celsius temperature display options.
- Presiese beheer: 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.

Figuur 2: Produkkenmerke oorview
3. Stelselversoenbaarheid
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-stage heat pumps. It is not compatible with 120-volt heating systems or two-stage hittepompe.
Compatible Systems (24V)
- Gas/Oil/Electric Furnace - Heating only
- Gas/Oil/Electric Furnace - Single Stage
- Hittepomp sonder hulphitte
- 2-wire Hydronic (Hot Water)
- 750 Millivolt
- Gas Fireplaces (24V)
- Slegs verkoeling
- Enkellopend stage afkoeling
Nie versoenbaar met
- Heat Pump Multistage
- Radiant Ceiling Heat
- Electric Baseboards
- Hittepomp met hulphitte
- 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. Wat is in die boks
Your LUX Pro PSD111B Non-Programmable Thermostat package includes the following items:
- PSD111B Thermostat Unit
- 2 ST screws
- 2 muurankers
- Draad etikette
- Instruksie Handleiding
- 2 AA alkaliese batterye

Figuur 4: Ingesluit komponente
5. Opstelling en installering
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 Montering van die termostaat
- 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.

Figuur 5: Monteringsopsies
5.2 Bedradingsinstruksies
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 Battery installasie
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 Finale Vergadering
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. Bedryfsinstruksies
The PSD111B is a non-programmable thermostat, offering simple manual control over your home's temperature.
6.1 Aanpassing van temperatuur
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 Stelselmoduskeuse
Use the SYSTEM switch located on the side of the thermostat to select the operating mode:
- HITTE: Activates the heating system when the room temperature falls below your set temperature.
- AF: Skakel beide verhittings- en verkoelingstelsels af.
- KOEL: Activates the cooling system when the room temperature rises above your set temperature.
6.3 Keuse van waaiermodus
Use the FAN switch located on the side of the thermostat to select the fan operation mode:
- VOERTUIG: Die waaier loop slegs wanneer die verhittings- of verkoelingstelsel aktief in werking is.
- OP: Die waaier loop aanhoudend, ongeag of die verhittings- of verkoelingstelsel aktief is.
7. Onderhoud
7.1 Batteryvervanging
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 Skoonmaak
Maak die buitekant van die termostaat skoon met 'n sagte, damp lap. Moenie skuur skoonmaakmiddels of oplosmiddels gebruik nie.
8. Probleemoplossing
If your thermostat is not functioning as expected, consider the following:
- Geen skerm: Kontroleer of batterye korrek geïnstalleer is en voldoende lading het. Vervang indien nodig.
- Stelsel reageer nie: 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.
- Verkeerde temperatuurlesing: 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. Spesifikasies
| Spesifikasie | Detail |
|---|---|
| Handelsmerk | LUX |
| Model Naam | PSD111B-010 |
| Produk afmetings | 1" D x 3.5" B x 4.7" H |
| Tipe beheerder | Drukknop |
| Spesiale kenmerk | Lae Voltage |
| Kleur | Wit |
| Spesifieke gebruike vir produk | Air Conditioner, Heat Pump |
| Tipe temperatuurbeheer | Handleiding |
| Ingesluit komponente | PSD111B-010 Mechanical Non-Programmable Thermostat |
| Kragbron | AC/DC (2 AA batteries required) |
| Item gewig | 6.4 ons |
| Voltage | 24 Volt |
| Materiaal | Plastiek |
| Tipe vertoon | LCD |
| Montage tipe | Muurmontering |
10. Waarborg en Ondersteuning
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 webwebwerf.