Google E2NESTHERMO3GEN
Nest Learning Thermostat 3rd Generation User Manual
Model: E2NESTHERMO3GEN
Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Nest Learning Thermostat 3rd Generation. This smart thermostat is designed to learn your preferences and help you save energy by intelligently managing your home's heating and cooling.

This image shows the Nest Learning Thermostat 3rd Generation. It features a round, stainless steel outer ring and a black display screen. The screen currently shows '70' degrees Fahrenheit in large white numbers, with a small green leaf icon below, indicating energy savings. A white vertical line at the top of the display acts as a temperature indicator.
Setup and Installation
The Nest Learning Thermostat is designed for straightforward installation. It comes with all necessary components and tools, including a base plate, mounting screws, and the display unit.
What's in the Box:
- Nest Learning Thermostat Display Unit
- Base Plate
- Mounting Screws
- Installation Guide
Connectivity:
The thermostat supports both Bluetooth and Wi-Fi connectivity, allowing for remote control and integration with other smart home devices. Ensure your home Wi-Fi network is available during setup.
Initial Setup:
- Power Off HVAC System: Before beginning installation, turn off power to your heating and cooling system at the breaker.
- Remove Old Thermostat: Carefully remove your old thermostat from the wall.
- Install Nest Base Plate: Mount the Nest base plate using the provided screws.
- Connect Wires: Connect the HVAC wires to the Nest base plate terminals. The included installation guide provides detailed wiring diagrams.
- Attach Display Unit: Snap the Nest display unit onto the base plate.
- Restore Power: Turn power back on to your HVAC system.
- App Setup: Download the Nest app on your smartphone or tablet. Follow the in-app instructions to connect your thermostat to your Wi-Fi network and complete the setup process. This links the thermostat to your account for remote control and learning features.
Operating Your Thermostat
The Nest Learning Thermostat offers intuitive control through its physical dial and display, as well as via the Nest mobile application.
Basic Controls:
- Adjusting Temperature: Rotate the outer ring of the thermostat clockwise to increase the temperature and counter-clockwise to decrease it. The current temperature setting will be displayed prominently on the screen.
- Accessing Menus: Press the entire display screen inward to access the main menu.
- Navigating Menus: Rotate the outer ring to scroll through menu options. Press the display screen to select an option.
Key Features:
- Learning Capabilities: The thermostat learns your preferred temperatures and adjusts automatically over time, creating an energy-efficient schedule.
- Auto-Away: Utilizes motion sensors to detect when no one is home and automatically adjusts the temperature to save energy.
- Energy History: View your energy usage history directly on the thermostat or through the app to understand your consumption patterns.
- Modes: Easily switch between heating, cooling, heat+cool, or off modes.
- Fan Control: Manually control your system's fan.
- Schedules: Create and customize detailed temperature schedules for different times of the day and week.
- Auto Brightness Adjustment: The display automatically adjusts its brightness based on ambient light conditions.
Maintenance
Regular maintenance ensures optimal performance and longevity of your Nest Learning Thermostat.
- Cleaning: Wipe the display screen and outer ring with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Filter Reminders: The thermostat can track your HVAC system's filter usage and remind you when it's time for a replacement, contributing to the overall health of your unit.
- Software Updates: Ensure your thermostat is connected to Wi-Fi to receive automatic software updates, which provide new features and performance improvements.
Troubleshooting
If you encounter issues with your Nest Learning Thermostat, try the following common solutions:
- Thermostat Unresponsive: If the thermostat is unresponsive or experiencing a glitch, try restarting it. This can often be done by pressing and holding the display until the screen turns off, then releasing and pressing again to turn it back on.
- Wi-Fi Connectivity Issues: Ensure your Wi-Fi network is active and the signal strength is adequate at the thermostat's location. You may need to restart your router or re-enter your Wi-Fi credentials in the Nest app settings.
- Temperature Inaccuracy: Ensure the thermostat is not exposed to direct sunlight, drafts, or heat sources that could affect its temperature readings.
- HVAC System Not Responding: Check the wiring connections at the base plate to ensure they are secure. Verify that power to your HVAC system is on.
For more detailed troubleshooting or persistent issues, refer to the Nest support website or contact customer service.
Specifications
| Feature | Detail |
|---|---|
| Brand | |
| Model Name | E2NESTHERMO3GEN |
| Product Dimensions | 3.3"D x 3.3"W x 1.21"H |
| Controller Type | Nest |
| Special Feature | Auto Brightness Adjustment |
| Color | Stainless Steel |
| Specific Uses For Product | Air Conditioner (also heating) |
| Temperature Control Type | Heating |
| Connectivity Technology | Bluetooth, Wi-Fi |
| Included Components | Base Plate, Mounting screws, Display unit |
| Power Source | Ac/dc |
| Voltage | 24 Volts |
| Material | Stainless Steel |
| Shape | Round |
| Display Type | LCD |
| Screen Size | 2.1 Inches |
| Control Type | Button Control |
| Control Method | App |
| Connectivity Protocol | Wi-Fi |
| Mounting Type | Wall Mount |
| Backlight | Yes |
| Item Weight | 2.14 pounds |
| Date First Available | July 28, 2018 |
Warranty and Support
For detailed warranty information and customer support, please refer to the official Google Nest website or the documentation included with your product. You can also find additional resources and FAQs on their support pages.
Visit the Google Store on Amazon for more information.
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