Drexma UDG-4999
Drexma UDG-4999 Programmable Floor Thermostat User Manual
Model: UDG-4999
Indledning
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Drexma UDG-4999 Programmable Floor Thermostat. This device is designed to control electric radiant floor heating systems, ensuring optimal comfort and energy efficiency. Please read this manual thoroughly before installation and operation to ensure proper use and safety.

Figur 1: Forside view of the Drexma UDG-4999 Programmable Floor Thermostat, showing the large display and control buttons.
Sikkerhedsoplysninger
ADVARSEL: Installation must be performed by a qualified electrician in accordance with local electrical codes. Disconnect power at the circuit breaker before installation or servicing to prevent electrical shock.
- Ensure the power supply is disconnected before any wiring.
- The thermostat is designed for indoor use only.
- Udsæt ikke termostaten for vand eller for høj luftfugtighed.
- The built-in Class A GFCI provides ground fault protection; test it regularly as per local codes.
Produktegenskaber
- Programmable for optimal comfort and energy consumption.
- Simple user interface and thoughtful installation design.
- Monitored energy consumption display.
- Large back-lit display for easy reading.
- Multi-voltage compatibility: 120-240 V (including 208 V).
- Output relay: 15 A.
- 15 mA EGFPD for ground fault protection.
- Wi-Fi Connectivity for smart home integration.
Opsætning og installation
The Drexma UDG-4999 thermostat is designed for efficient setup and fits neatly into standard electrical boxes. Professional installation is recommended.
Pakkeindhold:
- Drexma UDG-4999 Thermostat Unit
- Gulvføler
- Monteringsskruer
- Brugervejledning (dette dokument)

Figure 2: The Drexma UDG-4999 Thermostat and its packaging, illustrating the product's appearance.
Ledningsinstruktioner:
- Sluk for strømmen: Locate the circuit breaker controlling the floor heating circuit and turn off the power. Verify power is off using a voltage tester.
- Montering: Install the thermostat into a standard electrical box.
- Tilslut strømledninger: Tilslut den indgående linje voltage wires (L1 and L2/N) to the corresponding terminals on the thermostat. Ensure correct voltage (120V eller 240V) forsynes.
- Connect Heating Cable Wires: Connect the heating cable wires to the LOAD terminals on the thermostat.
- Connect Floor Sensor: Route the floor sensor cable to the thermostat and connect it to the designated sensor terminals. Ensure the sensor is properly placed within the floor heating area.
- Jording: Connect the ground wire from the electrical box to the thermostat's ground terminal.
- Sikker termostat: Carefully push the thermostat into the electrical box and secure it with the mounting screws.

Figur 3: Bagside view of the Drexma UDG-4999 Thermostat, illustrating the wiring connections for power, load, and sensor.
Indledende opstart:
Once wiring is complete, turn the power back on at the circuit breaker. The thermostat display should illuminate. Follow the on-screen prompts for initial setup, including language, time, and date settings.
Betjeningsvejledning
The UDG-4999 thermostat features a user-friendly interface with intuitive button controls.
Grundlæggende betjening:
- Power knap: Located on the bottom right, press to turn the thermostat ON/OFF.
- Op/Ned knapper: Used to adjust temperature settings, navigate menus, and change values.
- OK knap: Confirms selections and enters menu options.
- Nulstil knap: A small recessed button (often requiring a pin) to reset the thermostat to factory defaults. Use with caution.
Indstilling af temperatur:
In normal operating mode, use the Up/Down buttons to adjust the desired floor temperature. The display will show both the current floor temperature and the setpoint.
Programmeringsplan:
The thermostat allows for programmable heating schedules to optimize energy consumption. Refer to the on-screen menu for detailed programming steps. Typically, you can set different temperatures for various times of the day and days of the week.
Wi-Fi-forbindelse:
To connect the thermostat to your Wi-Fi network, access the Wi-Fi settings menu. Follow the instructions to connect to your home network and integrate with compatible smart home systems. This enables remote control and monitoring via a dedicated application (if available from Drexma).
Opretholdelse
The Drexma UDG-4999 thermostat requires minimal maintenance.
- Rensning: Tør termostatens overflade af med en blød kludamp klæde. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- GFCI test: Regularly test the built-in GFCI by pressing the "Test" button (if visible, or follow on-screen instructions). The thermostat should trip, indicating the GFCI is functioning. Reset the GFCI after testing.
- Firmwareopdateringer: Tjek producentens website or the associated mobile application for any available firmware updates to ensure optimal performance and access to new features.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Termostatdisplayet er tomt. | No power supply; tripped circuit breaker; loose wiring. | Check circuit breaker and ensure it is ON. Verify wiring connections are secure. |
| Floor not heating. | Thermostat OFF; setpoint too low; GFCI tripped; heating cable issue. | Ensure thermostat is ON. Increase setpoint. Reset GFCI. Consult an electrician if heating cable is suspected. |
| GFCI udløses ofte. | Ground fault in heating system; faulty GFCI. | Consult a qualified electrician to diagnose the ground fault. Replace thermostat if GFCI is faulty. |
| Forkert temperaturaflæsning. | Defekt gulvføler; føleren er ikke korrekt installeret. | Check sensor connection. Replace sensor if faulty. |
| Kan ikke oprette forbindelse til Wi-Fi. | Incorrect Wi-Fi password; router issues; thermostat too far from router. | Verify Wi-Fi password. Restart router. Move thermostat closer to router or use a Wi-Fi extender. |
Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | UDG-4999 |
| Mærke | Drexma |
| Controller type | Programmerbar |
| Voltage | 120 volt, 240 volt (dobbelt volt)tage) |
| Udgangsrelæ | 15 A |
| GFCI beskyttelse | 15 mA Class A EGFPD |
| Forbindelse | Wi-Fi |
| Farve | Hvid |
| Varens vægt | 1 pund |
| Pakkedimensioner | 6 x 5 x 4 tommer |
| UPC | 659460295992 |
Garanti og support
For warranty information and technical support, please contact Drexma customer service. Details are typically available on the product packaging or the official Drexma webwebsted.
Drexma Official Webwebsted: www.drexma.com
Please have your model number (UDG-4999) and purchase date ready when contacting support.
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