Installation
Guide
IMPORTANT!
Download the Sensi app before you begin.
This document is not meant to be used independently or to replace the step-by-step installation procedure found only in the Sensi app. The app is required for installation to ensure proper configuration and enable Wi-Fi control of your thermostat. The free Sensi mobile app is available on the App Store™ and Google Play™ . Simply scan the QR code or search for “Sensi” to download and get started.
All system types require a common wire (c-wire).
Scan the QR code to download the Sensi mobile app
What’s in the box?
- Sensi Thermostat
- Wire Labels
- Screws and Anchors
Things you’ll need:
- Compatible iOS or Android device with the Sensi app installed
- Your email address
- Your Wi-Fi network with 802.11n 2.4 GHz (Sensi thermostats cannot connect to 5 GHz band networks), Wi-Fi network name (SSID) and password
- Medium Phillips screwdriver
Things you might need:
- Needle-nose pliers
- Drill with 3/16” bit
- Wire stripper Open the app and follow the directions Never installed a thermostat before? We’ve got you covered. Sensi™ Touch 2 smart thermostat was designed for a quick and easy DIY installation. The Sensi app provides step-by-step instructions and helpful videos to get you up and running in no time.
The EPA’s highest award-winning smart thermostat Sensi smart thermostats are proud to be ENERGY STAR® certified. A label that is only provided after rigorous testing and independent certification, based on actual field data, to ensure energy savings. Sensi thermostats were also the first smart thermostat to receive the EPA’s highest honor in 2020: ENERGY STAR Partner of the Year. Learn more about Sensi’s partnership with ENERGY STAR at energystar.gov/sensi
Save more with utility rebates and programs
Emerson works with utilities across the country to ensure that Sensi smart thermostats are eligible to participate in energy efficiency and demand response programs that help our customers save even more money. Learn what programs you might be eligible for at sensi.emerson.com/rebates
Compatibility
Sensi is highly compatible with the HVAC equipment and devices found in most people’s home. Check out the information below, to make sure Sensi thermostat will work for you:
MOBILE DEVICE COMPATIBILITY
| OPERATING SYSTEM | COMPATIBILITY |
| iOS 10.0 or later | Yes |
| Android 5.0 or later | Yes |
| Amazon Fire | Yes |
ROUTER COMPATIBILITY
| ROUTER TYPE | COMPATIBILITY |
| Single-band router with 2.4 GHz band | Yes* |
| Dual-band router with 2.4 GHz & 5.0 GHz band | Yes* |
| Single-band router with 5.0 GHz band | No |
* Sensi thermostats require an 802.11n 2.4 GHz Wi-Fi network and are compatible with most residential Wi-Fi networks, however there are some known incompatible routers. Visit sensi.emerson.com/support and search “router compatibility” for a list of known incompatible routers.
SMART HOME PLATFORM COMPATIBILITY
Please refer to sensi.emerson.com for the most up-to-date smart home information.
HVAC SYSTEM COMPATIBILITY
| SYSTEM TYPE | COMPATIBILITY | MODIFICATIONS |
| Conventional heatingand cooling • Gas furnace • Air conditioner • Electric furnace • Boiler | Yes | Requires a common wire (c-wire) |
| Heat only • Gas furnace • Electric furnace • Boiler | Yes | Requires a common wire (c-wire) |
| Cool only • Air conditioner | Yes | Requires a common wire (c-wire) |
| Heat pump | Yes | Requires a common wire (c-wire) |
| Communicating proprietary systems | No | Needs standard HVAC wiring |
| Line voltage | No | Requires low voltage (20-30VAC) |
| Millivolt systems | No | Requires 20-30VAC |
Warnings
INSTALLER INFORMATION
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.
WARNING: OUT OF PHASE TRANSFORMERS On two transformer systems, the transformers MUST be in phase. Measure the voltage across RC and RH. If more than 12 Volts AC is present between RC and RH, then the transformers are NOT in phase.
To correct this condition, reverse the secondary ow voltage connections at either the Heating or Cooling transformer. Warnings
VOLTAGE REQUIREMENTS
Do not use on circuits exceeding specified voltage.
Higher voltage will damage control and could cause shock or fire hazard.
Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code. CAUTION
CAUTION: E5 Alert
If “Call For Service” is displayed on your Sensi thermostat, and E4 or E5 appears where the room temperature should be displayed or the backlight is flashing, please call our support team immediately at 888.605.7131
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product may replace a product that contains mercury. Mercury and products containing mercury must not be discarded in household trash. Refer to thermostat-recycle.org for location to send product containing mercury. Warnings
FOR CALIFORNIA RESIDENTS: WARNING:
This product contains a chemical known to the state of California to cause cancer and birth defects and other reproductive harm.
HVAC Expert Support
Visit sensi.emerson.com/support for access to support articles, instructional downloads and comprehensive support videos. Our highly-trained Sensi support team is available seven days a week.
1.888.605.7131
[email protected]
www.sensi.emerson.com
The Emerson logo is a trademark and service mark and the Sensi logo is a trademark of Emerson Electric Co.
0037-7852001
Sensi - The Best Smart Thermostat | Sensi US
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