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Sensi Touch Smart WiFi Thermostat

Sensi™ Touch Wi-Fi Thermostat
MANUAL OPERATION GUIDE

Models: 1F95U-42WF, ST75
Version: May 2017

CONTENTS

Manual operation guide

Buttons and Icons       3
Basic Functionality      4
Menu Settings             5
Installation                  9

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BUTTONS AND ICONS

Sensi Touch Smart WiFi Thermostat BUTTONS AND ICONS

  1. Menu
    Access thermostat configurations. (See page 5 for more details).
  2. Current room temperature
    The room temperature at the thermostat.
  3. Up arrow
    Adjusts the temperature set point or thermostat configuration.
  4. Current set temperature
    Current set temperature the thermostat will maintain.
  5. Down arrow
    Adjusts the temperature set point or thermostat configuration.
  6. Fan
    Switches fan mode from Auto or On. Leave the fan mode on Auto to allow the thermostat to control the fan as necessary.
  7. Humidity
    Displays current humidity
  8. Mode
    Switches system mode between Heat, Cool, Off, Aux or Auto.
  9. Time
    Displays current time.

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BASIC FUNCTIONALITY

Switching system mode
Press the mode button (see buttons and icons) to switch between all available system mode settings. When the mode is “Off” the thermostat will not bring on your heating or cooling systems.

Switching system mode
Fan mode
If you want to circulate the indoor blower, you can switch fan mode to “On.” Turn the fan back to “Auto” when you want the thermostat to control your indoor blower as necessary. Leaving the fan in “On” will run your blower continuously.

Holding one temperature
If you want to hold one temperature, turn Schedule “Off.” Then, adjust the set point using the up and down arrow buttons. The thermostat will hold this temperature, in the set system mode, until you turn Schedule back “On” or until you adjust the set point again using the up and down arrow buttons.

Temporary hold
When your Schedule is “On,” your Sensi thermostat controls your home based on the time and temperature settings in the current schedule. To temporarily change your temperature, use the up and down arrows in the app or on the thermostat. Your Sensi thermostat will display the time it will hold for next to the set temperature. It will hold your new temperature until the next scheduled set point with a minimum hold time of two hours.

Temporary hold

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MENU SETTINGS

Menu settings

You can access several settings and options about your thermostat in the menu.

Menu settings
Note: The “Time Setup” sub menu will only be available when Wi-Fi is turned “off.”

SLEEP MODE
You have the option to display the room temperature even when the Sensi Touch screen goes to sleep. Simply toggle your selection from this menu.

NIGHTLIGHT
This light can be used to help you see your wiring and terminals when installing the thermostat on the wall. The switch is on the thermostat base. Be sure to turn the light to “off” before snapping the thermostat face to the base.

After installation, you have the option to toggle the nightlight on and off from the thermostat menu to help light the area near the thermostat.

Note: The nightlight switch on the thermostat base must be in the “off” position for this feature to work via the thermostat menu.

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MENU SETTINGS

HOME SCREEN CONTENT
Toggle what you want to see on the display from this menu. You can display the current time, humidity or change from Fahrenheit to Celsius.

WI-FI
The Sensi app will instruct you how to connect Sensi to Wi-Fi, and you will use the “Set up a new network” for this. You can also turn Wi-Fi on or off at any time.

WI-FI

TURN WI-FI OFF
If connecting to Wi-Fi is not an option, you can turn off Wi-Fi on the thermostat and manually set a time and a schedule from the unit.

  • Press Menu.
  • Press Wi-Fi.
  • Toggle Wi-Fi “Off.”
  • Press the back arrow to return to the main screen.

TURN WI-FI OFF TURN WI-FI OFF

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MENU SETTINGS

Schedule
If your Sensi Touch is connected to Wi-Fi, the schedule is programmed based on time and temperature set points from the Sensi app. If you are not connected to Wi-Fi, you can set a basic schedule with 4 points from the unit.

Schedule
Setting a schedule on the unit

  • Turn Wi-Fi “Off.” (See page X.)
  • Go back to the main menu options.
  • Select “Schedule.”
  • Make sure “Schedule” is toggled “On.”
  • Select which day grouping you want to edit: weekdays or weekend.
  • Select which set point you want to edit.
  • Adjust the set point using the up and down arrows.
  • “Save” when you have the set point to your desired time and temperature.
  • Use the arrow in the upper left hand corner to return to the set points.
  • Continue to edit the set points as you desire.
  • Use the arrow in the upper left hand corner to return to “Schedule” screen.

Schedule Schedule

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MENU SETTINGS

Time setup
If you have Wi-Fi turned “Off” you will be able to set the date and time on the thermostat. If you’re going to connect Sensi to Wi-Fi, the date and time will be automatically generated based on your time zone.

Time setup

  • Select the date or time to edit them.
  • Adjust the date or time using the up and down arrow buttons.
  • Press “Save” when you’re done.
  • Use the arrow in the upper left hand corner to return to the previous screen.

Time setup Time setup
About thermostat
This menu displays a quick glance at your thermostat information. It includes your model number, MAC ID (uniquely identifies your thermostat), build date, firmware version, technical support contact information, and a factory reset button.

Pressing the factory reset button will change all settings back to default (except for the HVAC Equipment settings) and clear any Home Kit pairing so someone else can connect the Sensi Touch to Wi-Fi.

About thermostat

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INSTALLATION

Set up HVAC equipment

This allows you to change a series of settings to customize the thermostat for your specific system. Refer to the chart below for a complete listing of thermostat configurations and what they stand for. If you are installing the thermostat on the wall for the first time, we highly recommend that you download the Sensi app and follow the installation instructions.

Set up HVAC equipment

Set up HVAC equipment-B

Set up HVAC equipment-C

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INSTALLATION

Wiring terminals

TERMINAL OUTPUTS AND WIRING DIAGRAMS

TERMINAL LABEL                              DEFINITION
RH*                                  Power for heating, 24V
RC*                                   Power for cooling, 24V
C**                                    Common wire, 24V
G                                        Indoor blower (fan)
Y                                        First outdoor stage cooling on conventional systems or first heat and cool on heat pump systems
Y2                                     Second outdoor stage cooling on conventional systems or second heat and cool on two stage heat pump systems
W/E                                 First indoor stage heat on conventional systems or first stage auxiliary/emergency heat on heat pump systems
W2                                    Second indoor stage heat on conventional systems or second stage auxiliary/emergency heat on heat pump systems
O/B                                  Changeover (reversing valve) connection for heat pump or zone panel systems

Does wire color correspond to the thermostat terminals?

Wire color does not always correspond to the thermostat letters. A white wire may be attached to the “W” terminal on the old thermostat, or it may be attached to a different terminal with a different letter. Be sure to take a photo of the old thermostat that shows the wire colors and terminal letters before labeling and removing any wires.

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INSTALLATION

Thermostat base

Thermostat base

  1. Nightlight switch
    Switching this “On” illuminates the thermostat base. Make sure you switch this to “Off” after installation so you can still operate this feature from the thermostat display.
  2. RH/RC jumper
    Only clip this if you have separate RH and RC wires coming out of the wall. This indicates a two-transformer system.

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©2017 Emerson Electric Co. All rights reserved.

Sensi Touch Smart WiFi Thermostat Manual – Optimized PDF
Sensi Touch Smart WiFi Thermostat Manual – Original PDF

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