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Emerson 1F86U-42WF WiFi Programmable Heat and Cool featured image

Emerson 1F86U-42WF WiFi Programmable Heat and Cool Manual

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Emerson 1F86U-42WF WiFi Programmable Heat and Cool

Emerson 1F86U-42WF WiFi Programmable Heat and Cool produact image

3 EASY STEPS

Installing a Sensi thermostat isn’t that different than installing a non-Wi-Fi thermostat.

Emerson 1F86U-42WF WiFi Programmable Heat and Cool 1

  1. Install on the wallEmerson 1F86U-42WF WiFi Programmable Heat and Cool 2
  2. Configure for HVAC systemEmerson 1F86U-42WF WiFi Programmable Heat and Cool 3
  3. Connect to Wi-Fi
    Connect Wi-Fi now or the homeowner will connect later

INSTALL on the wall

For Conventional Systems

Emerson 1F86U-42WF WiFi Programmable Heat and Cool 4* If the old thermostat has separate RC and RH wires, clip the RC/RH jumper on the back of the thermostat.
** Label “B” as “C” only if the old thermostat also had a wire on “O”. If there is no wire on “O” – label the wire “B”.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 5

For Heat Pump Systems

Emerson 1F86U-42WF WiFi Programmable Heat and Cool 6* If the old thermostat has separate RC and RH wires, clip the RC/RH jumper on the back of the thermostat.
** Label “B” as “C” only if the old thermostat also had a wire on “O”. If there is no wire on “O” – label the wire “B”.
*** On Heat Pump systems with separate W2 and E wires, label both wires W/E (2 wires on one terminal).

CONFIGURE for HVAC system

For HVAC System TypeEmerson 1F86U-42WF WiFi Programmable Heat and Cool 7

  • Press Menu to enter the configuration menu.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 8
  • Press Next until you see the “Setup Outdoor” menu item 3.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 9
  • Use the Up/Down Arrows to change settings. Press Next to continue through menu items.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 10
  • Press Exit when you’re finished.

Emerson 1F86U-42WF WiFi Programmable Heat and Cool 11

CONNECT to Wi-Fi

Before You Begin

In order to connect to the homeowner’s Wi-Fi, you will need the following:Emerson 1F86U-42WF WiFi Programmable Heat and Cool 12

  • Access to the homeowner’s smartphone.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 13
  • The homeowner’s Wi-Fi router access information.

If Homeowner is Available…

Have the homeowner do the following:

If Homeowner is Available…Emerson 1F86U-42WF WiFi Programmable Heat and Cool 14

  1. Download the Sensi App on their smartphone.
  2. Make sure their Wi-Fi router is turned on and the Internet connection is working properly.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 15
  3.  Open the Sensi App and create a homeowner Sensi account.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 16
  4. On the “Add Thermostat” screen, select “Just Connect Wi-Fi”.
  5. Follow the steps in the app to establish a Wi-Fi connection.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 18
  6. Make sure the connection works by adjusting the temperature from the app screen.

Technical Support

If the Homeowner is Not Available

The Wi-Fi connection process is designed so that any homeowner familiar with a smartphone and router can complete the step on their own.

  • You just need to leave two items behind: Wi-Fi Connection Guide (tear out next page)
  • Security Code Card (included in the box with the thermostat)
    • Insert the Security Code Card into the pre-cut slots in the Wi-Fi Connection Guide leave-behind.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 19

Wi-Fi Connection Guide

Dear Homeowner:

Your new Sensi thermostat has been successfully installed and you can now control your HVAC system.
In order to connect the Sensi thermostat to your Wi-Fi router and enable remote access from your smartphone or tablet, follow these simple steps:Emerson 1F86U-42WF WiFi Programmable Heat and Cool 20

  1. Gather these itemsEmerson 1F86U-42WF WiFi Programmable Heat and Cool 21
  2. Download the Sensi App to your iOS or Android device.Emerson 1F86U-42WF WiFi Programmable Heat and Cool 22
  3. Open the app and follow the instructions step by step.

For more manuals by Emerson, visit ManualsLibraryy

Emerson 1F86U-42WF WiFi Programmable Heat and Cool-FAQs

How do I set my Emerson Sensi thermostat?

Press the “Mode” button to select Heat or Cool. Then, hold the “Schedule” button until the time flashes at the top of the screen. Use the up and down arrows to adjust the time as needed.

How does a Wi-Fi thermostat work?

A Wi-Fi thermostat connects to your home’s Wi-Fi, allowing you to monitor and control it remotely via a smartphone app. It can adjust temperatures based on your schedule or respond to changes you make through the app.

What does “Run” mean on a thermostat?

The “Run” button restores your thermostat to its programmed schedule. For example, if you’ve adjusted the temperature temporarily, pressing “Run” will return it to its preset settings.

How can I find my Sensi thermostat’s PIN or security code?

For the Sensi Touch Smart Thermostat, the PIN displays on the touchscreen during setup. For other models, the Security Code is located on a sticker in the upper left corner on the back of the thermostat’s faceplate.

What does RC mean on a thermostat?

RC stands for “red cooling” and powers the cooling system in your HVAC. It’s similar to the RH wire, which powers the heating system.

Will the thermostat work without an internet connection?

Yes, the thermostat will continue to control your heating and cooling systems even if your Wi-Fi is down.

What is the basic function of a thermostat?

A thermostat monitors the air temperature and activates your heating or cooling system to maintain the desired indoor temperature. Once the set temperature is reached, it directs the system to turn off.

How does a Wi-Fi temperature sensor work?

Wi-Fi temperature sensors detect changes in temperature and wirelessly transmit the data to a receiver or gateway. They are commonly used in food storage, medical labs, and manufacturing for temperature monitoring.

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