1. Bubuka
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. Fitur konci
- Pamasangan serbaguna: Can be installed in either horizontal or vertical orientation.
- Jelas tampilan: Fitur anu gampang-view backlit display for enhanced readability.
- Batré Dioperasikeun: Operates on 2 included AA alkaline batteries, ensuring reliable power.
- Unit Suhu: Choose between Fahrenheit or Celsius temperature display options.
- Kontrol anu tepat: 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.

Figure 2: Product Features Overview
3. Kasaluyuan Sistim
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 pompa panas.
Compatible Systems (24V)
- Gas/Oil/Electric Furnace - Heating only
- Gas/Oil/Electric Furnace - Single Stage
- Pompa Panas tanpa Panas Bantu
- 2-wire Hydronic (Hot Water)
- 750 Millivolt
- Hawu Gas (24V)
- Cooling hungkul
- Bujang stage tiis
Teu Cocog Jeung
- Heat Pump Multistage
- Panas Ceiling Radiant
- Electric Baseboards
- Pompa Panas sareng Panas Bantu
- 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. Naon dina Box
Your LUX Pro PSD111B Non-Programmable Thermostat package includes the following items:
- PSD111B Thermostat Unit
- 2 ST screws
- 2 jangkar témbok
- labél kawat
- Instruksi Manual
- 2 accu alkalin AA

angka 4: komponén kaasup
5. Setup jeung Instalasi
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 Pasang Thermostat
- 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.

Gambar 5: Pilihan Pamasangan
5.2 Parentah 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 Pamasangan batré
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 Majelis ahir
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. Parentah Operasi
The PSD111B is a non-programmable thermostat, offering simple manual control over your home's temperature.
6.1 Nyaluyukeun Suhu
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 Pamilihan Mode Sistim
Use the SYSTEM switch located on the side of the thermostat to select the operating mode:
- PANAS: Ngaktipkeun sistem pemanasan nalika suhu kamar turun di handap suhu anu disetel.
- Pareuman: Pareuman duanana sistem pemanasan sareng penyejukan.
- Tiis: Ngaktipkeun sistem pendingin nalika suhu ruangan naék ngaleuwihan suhu anu disetel.
6.3 Pilihan Modeu Kipas
Use the FAN switch located on the side of the thermostat to select the fan operation mode:
- Otomatis: Kipas angin ngan ukur jalan nalika sistem pemanasan atanapi cooling aktip.
- ON: Kipas angin jalan terus, henteu paduli naha sistem pemanasan atanapi pendinginan aktip.
7. Pangropéa
7.1 Ngagantian batré
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 beberesih
Ngabersihan bagian luar thermostat ku lemes, damp lawon. Ulah make cleaners abrasive atawa pangleyur.
8. Cara ngungkulan
If your thermostat is not functioning as expected, consider the following:
- Henteu aya tampilan: Pariksa naha batréna leres dipasang sareng gaduh muatan anu cekap. Ganti lamun perlu.
- Sistem teu ngabales: 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.
- Bacaan Suhu Lepat: 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. Spésifikasi
| Spésifikasi | Rincian |
|---|---|
| merek | LUX |
| Ngaran modél | PSD111B-010 |
| Dimensi produk | 1 "D x 3.5" W x 4.7" H |
| Tipe Controller | Pencét Tombol |
| Fitur husus | Low Voltage |
| Warna | Bodas |
| Mangpaat husus Pikeun Produk | Air Conditioner, Heat Pump |
| Tipe Kontrol Suhu | Manual |
| Komponén Kaasup | PSD111B-010 Mechanical Non-Programmable Thermostat |
| Sumber Daya | AC/DC (2 AA batteries required) |
| Item Beurat | 6.4 ons |
| Voltage | 24 volt |
| Bahan | palastik |
| Tipe tampilan | LCD |
| Tipe Pamasangan | Tembok Gunung |
10. Garansi jeung Rojongan
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 websitus.





