Thermostat E Installation Guide
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In the box 1. Switch off power This protects you and avoids blowing a fuse in your equipment. To make sure the power is off, change the temperature with your current thermostat and wait at least five minutes to be sure that your system doesn’t turn on. or Display Base Breaker box 2. Remove the cover Some thermostat covers pop off, while others need to be unscrewed. Older thermostats may have a second plate that should also be removed to expose the wires.
3. Take a picture of the wires Incompatible wiring and voltage Take a picture of your thermostat’s wires and save it for reference. Make sure you can read the wire terminal labels. Stranded wires B O G Y W NOT USED A Stranded wires aren’t compatible with the Nest Thermostat. AC High-voltage wires If your thermostat is labeled 120V or 240V, or has thick wires with wire nuts, or has L1 and L2 terminal blocks, your system is high voltage and isn’t compatible with the Nest Thermostat.
4. Use the compatibility checker 5. Remove any jumper wires If you haven’t already, go to nest.com/works and enter your thermostat’s wires into the compatibility checker. Jumper wires are short wires between two connectors. The Nest Thermostat doesn’t need jumpers. If your thermostat has jumpers, remove them, but save them along with your old thermostat.
. Label the wires 7. Disconnect wires and remove base Peel off the labels below and attach them to the thermostat’s matching wires. After removing the thermostat base, gently wrap the wires around a pen or pencil so they don’t fall back into the hole in the wall. Note: If you have an Rc or Rh wire, put the R label on it. Remember, the power to your HVAC system must be off to avoid blowing a fuse in your equipment. 8.
9. Install the Nest base Optional in most homes Pull the wires through the center of the base, then attach it to the wall with the screws. Use the included trim plate if needed If you don’t want to paint over holes or marks left by your old thermostat, you can use the optional trim plate. Snap the thermostat base and trim plate together, then screw the plate to the wall.
10. Connect wires 11. Attach the display Use the wiring diagram you got from the compatibility checker in step 4 to connect your system wires to the Nest Thermostat. Push the display onto the base until it clicks. 3/8 in The exposed wire should be straight. Note: If you have an R, Rc or Rh wire, you can put it into the R connector on the Nest Thermostat. If you have a W2, Y2 or O/B wire, you can put it into the *O/B connector, if needed.
13. Setup The Nest Thermostat will turn on and walk you through setup. You can select a language, connect it to Wi-Fi, and tell it some things about your home and system so it can help save energy. The Nest Thermostat doesn’t have a touchscreen. Turn the thermostat display and press it down to select. 15. A dd your thermostat to your account If you’re new to Nest, tap the plus sign on the app home screen, then select Nest Thermostat.
Nest Labs, Inc. Limited Warranty Nest Thermostat E THIS LIMITED WARRANTY CONTAINS IMPORTANT INFORMATION ABOUT YOUR RIGHTS AND OBLIGATIONS, AS WELL AS LIMITATIONS AND EXCLUSIONS THAT MAY APPLY TO YOU. Labs will bear all costs of return shipping to owner and will reimburse any shipping costs incurred by the owner, except with respect to any Ineligible Product, for which owner will bear all shipping costs. 1. WHAT THIS LIMITED WARRANTY COVERS; PERIOD OF COVERAGE Nest Labs, Inc.
064-00114-US-A
