Introduction
This user manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your WarmlyYours OJ Electronics UDG-4999 nHance Programmable Thermostat. This advanced thermostat is designed to deliver a maximum level of comfort for your electric floor heating system, featuring dual voltage compatibility (120V/240V), an energy log, a built-in self-testing GFCI, and pre-programmed settings for ease of use. Its intuitive user-interface and large, backlit display ensure clear readability and simple control.
Safety Information
Always adhere to local electrical codes and regulations. Installation should be performed by a qualified electrician. Disconnect power at the circuit breaker before installing or servicing the thermostat. This thermostat includes a Class A GFCI (Ground Fault Circuit Interrupter) for enhanced safety. Test the GFCI regularly as per the instructions to ensure proper function.
- Ensure power is OFF before installation.
- Do not operate the thermostat with wet hands.
- Do not expose the thermostat to water or excessive moisture.
- Keep out of reach of children. The "Child-Lock" function can be activated for added safety.
Setup and Installation
The UDG-4999 thermostat is designed for easy installation. It is crucial to follow the wiring diagrams provided in the full user manual (available as a PDF document) and ensure all connections are secure and compliant with electrical standards.
Figure 1: Front view of the WarmlyYours nHance Programmable Thermostat, showing the large digital display and control buttons.
Key Installation Steps:
- Power Disconnection: Turn off power to the heating circuit at the main electrical panel.
- Mounting: Mount the thermostat in a standard electrical box.
- Wiring: Connect the power supply, heating cable, and floor sensor wires according to the provided wiring diagram. The thermostat supports both 120V and 240V systems.
- Floor Sensor: The complimentary 10K ohm floor sensor must be installed in the floor and connected to the thermostat for accurate floor temperature control and energy-efficient operation.
- Initial Setup: Upon first power-up, the thermostat will guide you through initial settings, including time, date, and temperature units.
- Wi-Fi Connectivity (if applicable): For models with Wi-Fi, follow the on-screen prompts to connect to your home network and download the "Microline" app for remote control and scheduling.
Figure 2: The WarmlyYours nHance Thermostat seamlessly integrated into a modern living space, demonstrating its sleek design.
Operating Instructions
The nHance thermostat offers intuitive control for your floor heating system. Use the touch screen or physical buttons (if present) to navigate menus and adjust settings.
Basic Operation:
- Setting Temperature: Adjust the desired floor or ambient temperature using the up/down arrows on the display.
- Programming Schedules: Utilize the programmable features to set daily or weekly heating schedules, optimizing comfort and energy consumption. The thermostat allows for quick and easy setup for your exact needs.
- Energy Log: Monitor your heating system's energy usage through the built-in energy log feature, helping you track and manage consumption.
- Child-Lock Function: Activate the "Child-Lock" feature to prevent unauthorized changes to settings.
Maintenance
Your WarmlyYours nHance thermostat requires minimal maintenance to ensure optimal performance.
- Cleaning: Wipe the thermostat's surface with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- GFCI Testing: Regularly test the GFCI function by pressing the "Test" button on the thermostat. The GFCI should trip, cutting power to the heating system. Reset the GFCI by pressing the "Reset" button. If it does not trip or reset, contact a qualified electrician.
Troubleshooting
If you encounter issues with your thermostat, refer to the following common troubleshooting steps. For more detailed guidance, consult the full user manual PDF.
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat display is blank. | No power, tripped circuit breaker, loose wiring. | Check circuit breaker. Ensure all wiring connections are secure. |
| Floor not heating. | GFCI tripped, incorrect settings, floor sensor issue. | Reset GFCI. Verify temperature settings and schedule. Check floor sensor connection. |
| Temperature reading is inaccurate. | Floor sensor malfunction or incorrect calibration. | Ensure floor sensor is properly installed. Refer to manual for calibration steps if available. |
Specifications
| Feature | Detail |
|---|---|
| Brand | WarmlyYours |
| Model Name | nHance |
| Controller Type | Digital |
| Special Feature | Programmable |
| Color | White |
| Specific Uses For Product | Electric Floor Heating |
| Temperature Control Type | Programmable |
| Connectivity Technology | Hardwired Electrical Connection |
| Included Components | Thermostat and Floor Sensor |
| Power Source | Electric |
| Item Weight | 12 ounces |
| Voltage | 120 Volts, 240 Volts |
| Shape | Rectangular |
| Display Type | Digital |
| Control Type | Button Control |
| Control Method | Touch |
| Mounting Type | Wall Mount |
| Style | Programmable |
| Backlight | Yes |
| Specification Met | cULus listed |
| Wattage | 1800 watts |
| UPC | 881308051211, 735090525484 |
| GTIN | 00881308051211, 05703502640518 |
| Manufacturer | OJ Electronics |
| Part Number | UDG-4999 |
| Product Dimensions | 5 x 3.5 x 3.25 inches |
| Item model number | UDG-4999 |
| Date First Available | June 13, 2011 |
Warranty Information
WarmlyYours provides a 3-year warranty on all control products, including the UDG-4999 nHance Programmable Thermostat. This warranty covers defects in materials and workmanship under normal use and service. Please retain your proof of purchase for warranty claims.
Support and Contact
For further assistance, technical support, or warranty inquiries, please refer to the official WarmlyYours website or contact their customer service. A detailed User Manual (PDF) is also available for download, which contains comprehensive information and diagrams.
- Official User Guide (PDF): Download User Guide
- Official User Manual (PDF): Download User Manual
- WarmlyYours Store: Visit WarmlyYours Store on Amazon
- For direct support, please visit the WarmlyYours official website for contact information.
