Nest T3010GB Thermostat Operation Manual

The Nest T3010GB (Learning Thermostat 3rd Generation, UK/EU) is a smart, Wi-Fi enabled thermostat that learns your schedule and preferences to optimize comfort and energy savings. It supports multi-stage heating/cooling and hot water systems, integrating with the Google Nest app for remote control. Requires Heat Link (T3008GB) for high-voltage EU installations. Below are the key specifications and operation instructions.

1. Key Specifications 2. Operation Instructions 2.1. Initial Setup 2.2. Setting the Clock and Day 2.3. Operating in Non-Programmable Mode 2.4. Operating in Programmable Mode 2.5. Advanced Features 2.6. Troubleshooting 3. Installation Instructions 3.1. Remove Old Thermostat 3.2. Installing New Thermostat 3.3. Battery Location 3.4. Wiring and Configuration

Key Specifications

Type: Smart learning thermostat for multi-stage heating, cooling, and hot water systems
Compatibility:
- EU/UK central heating: Combi/system boilers, S/Y-plan, OpenTherm
- Heating: 1-3 stages (W1, W2, W3)
- Cooling: 1-2 stages (Y1, Y2)
- Heat pump with aux/emergency heat (O/B, AUX, E)
- Hot water control
- Fan: 1-3 speeds (G, G1, G2, G3)
- Requires Heat Link for 230V AC systems
Power Source:
- Wireless from Heat Link (12V DC)
- Battery: Built-in rechargeable lithium-ion
- Power consumption: Less than 1 kWh/month
Electrical Rating:
- Supports modulating control via OpenTherm
- ERP Class V energy efficiency
Temperature Range: Setpoint: 40°F to 90°F (4° to 32°C); Operating: 32°F to 104°F (0° to 40°C)
Operating Conditions:
- Humidity: Up to 90% RH
- Wireless range: Up to 30m (line of sight)
Dimensions: Display: 3.3 in diameter x 1.06 in H; Weight: 8.6 oz
Features:
- Auto-learning schedule
- Wi-Fi (802.11 a/b/g/n)
- 24-bit color LCD (480x480)
- Sensors: Temperature, humidity, light, activity
- Nest Leaf for energy savings
Thermostat Configuration Options:
- Maximum stages Heat/Cool: 3/2
- Hot water scheduling
- App/voice control

Operation Instructions

Initial Setup

1. Install Heat Link: Wire and power the Heat Link near boiler.
2. Pair Display: Press ring on display to start setup.
3. Configure System:

Download Nest app, create account, connect Wi-Fi.
Select boiler type (combi, S-plan, etc.), run test.
Set location, begin learning schedule.

Setting the Clock and Day

1. Syncs automatically via Wi-Fi.
2. Manual: Press ring to menu, turn to Settings > Clock.
3. Adjust time zone, format, daylight savings.
4. Day auto-detected from schedule.

Operating in Non-Programmable Mode

1. Select Mode: Press ring, turn to Off, Heat, Cool, Eco.
2. Adjust Temperature: Turn ring to set setpoint.
3. Fan/Hot Water: Control via app or menu.
4. Manual Override: Temporary changes resume schedule.

Operating in Programmable Mode

1. Factory Schedule: Learns from adjustments over a week.
2. Custom Schedule:

App: Thermostat > Schedule; set periods for heat/hot water.
View/adjust learned schedule on device.
Enable Away mode for energy savings.

3. Temporary Override: Turn ring.
4. Permanent Hold: Select in menu.
5. Disable Programming: Manual mode in app.

Advanced Features

1. Energy History: View 10-day usage and insights in app.
2. True Radiant: Optimizes radiant heating in settings.
3. Thermostat Lock: Secure with PIN in settings.
4. Hot Water Control: Schedule and boost via app/device.
5. Farsight: Displays time/weather on approach.

Troubleshooting

No Display: Check Heat Link power/wiring, recharge battery.
No Heat/Hot Water: Verify mode, app test; check boiler.
Wi-Fi Issues: Restart, check signal; app troubleshooter.

Installation Instructions

Warning: High voltage; professional installation required. Turn off mains power.

Remove Old Thermostat

Isolate power at fuse board.
Remove old thermostat, label wires.
Disconnect from boiler controls.

Installing New Thermostat

Heat Link: Mount near boiler, connect L/N power, T1/T2 to controls.
Base: Mount wall base for display.
Connect: Wire T1/T2 from Heat Link to base.
Attach: Snap display on; power up.
Setup: Follow app for pairing.

Battery Location

Built-in rechargeable lithium-ion.
No user access; charges wirelessly.

Wiring and Configuration

Professional only. Heat Link handles high voltage.

Heat Link Terminal	Description
L/N	Mains power (230V AC)
T1/T2	To boiler controls/display (no polarity)
OT1/OT2	OpenTherm to modulating boiler

Caution: Configure boiler type in app.