Sensi Touch Wi-Fi Thermostat TM MANUAL OPERATION GUIDE Models: 1F95U-42WF, ST75 Version: October 2017
CONTENTS Manual operation guide Buttons and Icons 3 Basic Functionality 4 Menu Settings 5 Installation 9 SensiTM Touch Wi-Fi Thermostat | MANUAL OPERATION GUIDE 2
BUTTONS AND ICONS Menu Access thermostat configurations. (See page 5 for more details). Current room temperature The room temperature at the thermostat. Up arrow Adjusts the temperature set point or thermostat configuration. Current set temperature Current set temperature the thermostat will maintain. Time DIsplays current time. Down arrow Adjusts the temperature set point or thermostat configuration. Mode Switches system mode between Heat, Cool, Off, Aux or Auto.
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. 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.
MENU SETTINGS Menu settings You can access several settings and options about your thermostat in the menu. 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. BACK GLOW 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.
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. 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.
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. 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.
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. • 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.
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.
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 he
INSTALLATION Thermostat base Back glow 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. SensiTM Touch Wi-Fi Thermostat | MANUAL OPERATION GUIDE ©2017 Emerson Electric Co. All rights reserved. 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.
