Emerson Sensi User manual

1
Installation
Touch Wi-Fi
Thermostat

32
Table of contents
COMPATIBILITY................................................................4
WHAT’S IN THE BOX.....................................................6
WHAT YOU’LL NEED......................................................7
BEFORE YOU BEGIN......................................................8
INSTALLATION OVERVIEW......................................10
WARNINGS.......................................................................11
Need some help?
Visit sensicomfort.com/support for around-the-
clock 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
[e-mail]
You’re just a few steps
away from complete
comfort control.
Never installed a thermostat before? We’ve got
you covered. Sensi™Touch Wi-Fi®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.

54
MOBILE DEVICE COMPATIBILITY
SMART HOME PLATFORM COMPATIBILITY
OPERATING SYSTEM COMPATIBILITY
iOS 10.0 or later Yes
Android Yes
Amazon Fire Yes
OPERATING SYSTEM COMPATIBILITY
Wink Yes
Amazon Alexa Yes
Apple HomeKit Yes, but requires a
common wire (c-wire)
SYSTEM TYPE COMPATIBILITY MODIFICATIONS
Conventional heating
and 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
Remote sensors,
whole home
humidifiers/
dehumidifiers
No Control of these
accessories is
not currently
supported
HVAC SYSTEM COMPATIBILITY
Compatibility
Not only does Sensi work with the HVAC equipment
in most homes, but it also works with most mobile
devices and smart home platforms.
Check out the information below, to make sure
Sensi thermostat will work for you:

76
What’s in the box?
•Sensi Thermostat
•Screws and Anchors
•Wire Labels
•Sensi Password
For Android: Found on the back of the welcome guide.
For iOS: Your Sensi HomeKit Code will display on
your thermostat during the connection process.
Here’s what you’ll need.
Things you’ll definitely need:
•Small Phillips Screwdriver
•Medium Phillips Screwdriver
•Compatible iOS or Android with the Sensi
App Installed
•Your Email Address
•Your Wi-Fi Network Name (SSID) and Password
Things you might need:
•Needle-Nose Pliers
•Drill with 3/16" Bit
•Wire Stripper
XXX-XX-XXX

98
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 search for “Sensi”
and download to your device to get started.
All system types require a common wire (c-wire).

1110
Installation Overview
CREATE YOUR ACCOUNT.
Open the Sensi app on your device and follow
the prompts to create an account, using a valid
email address.
Your Sensi account can only be linked to one
email address, but you can share your account
information across devices so your whole family
can have access.
INSTALL YOUR THERMOSTAT.
The Sensi app will walk you through removing your
old thermostat from the wall, labeling your existing
wires and installing your new Sensi thermostat.
CONNECT TO WIFI.
After installation the app will walk you through
connecting your new thermostat to your home
Wi-Fi network. Remember to have your Wi-Fi
network name, password and Sensi
password ready.
REGISTER YOUR THERMOSTAT.
Finally, the app will walk you through registration
so you can start controlling your home comfort.
Anytime. Anywhere.
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.
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.

12
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.
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
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.
www.sensicomfort.com
The Emerson logo is a trademark and service mark and the
Sensi logo is a trademark of Emerson Electric Co.
37-7649001