sensi 1F95U-42WF Pro Touch Smart Thermostat Installation Guide

June 5, 2024
sensi

Sensi 1F95U-42WF Pro Touch Smart Thermostat Installation Guide

Touch Smart Thermostat

Designed by the pros for the pros

There are a lot of choices when it comes to buying a thermostat, but only one combines 125 years of experience and the latest connected home technology to empower your customers to take control of their comfort from anywhere. We proudly connect you to a professional-grade thermostat that you can offer your customers with confidence and that will keep you connected with them even after the initial install.

Sensi partner program

Always be the Contractor-On-Call with your customers. The Sensi app saves your contact information so when your customer needs service, you’re just a tap away. Register at www.sensiregistration.com.

Need 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

support@sensicomfort.com

Easy to install and connect

Sensi is designed to install like a standard thermostat. It gives you the flexibility to connect to Wi-Fi at installation or let your customer connect it later using the Sensi app.

MOBILE DEVICE COMPATIBILITY

MOBILE DEVICE COMPATIBILITY

SMART HOME PLATFORM COMPATIBILITY

SMART HOME PLATFORM COMPATIBILITY

HVAC SYSTEM COMPATIBILITY

HVAC SYSTEM COMPATIBILITY

ROUTER COMPATIBILITY

ROUTER COMPATIBILITY

*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 support.sensicomfort.com and search “router compatibility” for a list of known incompatible routers.

What’s in the box?

  • Sensi Thermostat
  • Screws and Anchors
  • Wire Labels

Items needed for Wi-Fi connection:

  • The homeowners compatible iOS or Android device with the Sensi app installed and registered
  • Your customer’s Wi-Fi network name (SSID) and password
  • A Wi-Fi network with 802.11n 2.4GHz band

QUICK TIP: Ask the homeowner to download the Sensi app and gather their Wi-Fi information while you are installing the thermostat.

Installation

  1. Turn terminal light switch on for better visibility.
  2. Install Sensi thermostat, referring to these terminal definitions, cross references and wiring diagrams as needed:

Installation Table

† Two transformer systems (separate RC and RH wires), clip jumper located on backplate to the right of the terminals.

†† Label “B” as “C” only if the old thermostat also had a wire in “O”. If there is no wire on “O”-label the wire “B”.

††† On Heat Pump system with separate W2 and E wires, label both wires W/E (2 wires in one terminal).

SINGLE STAGE OR MULTI-STAGE SYSTEM (NO HEAT PUMP) WITH TWO TRANSFORMERS

SINGLE STAGE OR MULTI-STAGE SYSTEM NO HEAT PUMP WITH TWO
TRANSFORMERS

† Two transformers systems (separate RC and RH wires), clip internal RC/RH jumper, located on back of thermostat.

HEAT PUMP SYSTEMS

HEAT PUMP SYSTEMS

† Internal jumper between RC and RH, located on back of thermostat.

†† Common connection required on Heat-only, Cool-only or Heat Pump systems.

Configuration

  1. Before configuring the thermostat, switch off the terminal light.

  2. Configure the thermostat to the appropriate system type. Press “Menu” on the thermostat and refer to these menu options as needed:
    Configuration

  3. Once the thermostat is installed and properly configured, test the equipment by following these steps:

    • Turn on power to the system.
    • Fan Operation
    • If your system does not have a “G” terminal connection, skip to “Heating System” below.
    • Press the “Fan” button on the thermostat and select the “On” position. The blower should begin to operate.
    • Press the “Mode” button to turn off the system. Then press the “Fan” button on the thermostat and select the “Auto” position. The blower should stop immediately.
    • Circulating Fan
    • Press the “Menu” button on the thermostat and select “Advanced Setup” then select “Fan Mode Options”
    • Press “On” to enable circulating fan and set the % run time from 10%-100% in 5% increments (default is OFF).
    • The % run time is the percentage of time the fan shall run in a day. This calculation takes into account the amount of time the heating, cooling and continuous fan have run during the same day.
    • Heating System
    • Press the “Mode” button on the thermostat and select the “Heat” position.
    • Press the up arrow on the thermostat and adjust the setting to 1° above the current room temperature. The heating system should begin to operate and the thermostat display will turn red indicating heating on the screen.
    • For heat pumps with auxiliary, press the up arrow on the thermostat and adjust the setting to 3° above the current room temperature. The auxiliary heat should begin to operate and the thermostat will indicate “Heating Auxiliary” on the screen.
    • Press the down arrow on the thermostat and adjust the setting to 1° below the current room temperature. The heating system should stop operating and the display will go back to a neutral gray color.
    • Auxiliary System (only for heat pumps with auxiliary)
    • Press the “Mode” button on the thermostat and select the “Aux” position. This bypasses the heat pump and runs auxiliary-only heat.
    • Press the up arrow on the thermostat and adjust the setting to 1° above the current room temperature. The auxiliary heating system should begin to operate and the thermostat will indicate “Heating Auxiliary” on the screen.
    • Press the down arrow on the thermostat and adjust the setting to 1° below the current room temperature. The auxiliary heating system should stop operating and “Heating Auxiliary” will disappear from the screen.
    • Cooling System
    • Press the “Mode” button on the thermostat and select the “Cool” position.
    • Press the down arrow and adjust the setting to 1° below the current room temperature. The blower should come on immediately on high speed, followed by cold air circulation. The thermostat display will turn blue. Note that there can be up to a 5 minute delay for this process. This is indicated by a flashing setpoint temperature.
    • Press the up arrow and adjust the setting to 1° above the current room temperature. The cooling system should stop operating and the display will go to a neutral gray color.
    • If you encounter any issues while testing the equipment, refer to the troubleshooting actions on page 16.
    • Humidification
    • Press the “Mode” button on the thermostat and select the “Heat” position.
    • Press the up arrow on the thermostat and adjust the setting to 1° above the current room temperature. The heating system should begin to operate and the thermostat display will turn red indicating heating on the screen.
    • Press “Menu”, “Advanced Setup”, “Humidify”
    • Set Humidification to ON and set the humidity set point higher than the current room humidity.
    • Humidity can be adjusted from 5% to 50% in 5% increments.
    • Check that the humidifier is running.
    • Go back to the main screen.
    • Press the down arrow on the thermostat and adjust the setting to 1° below the current room temperature. The heating and humidification system should stop operating and the display will go back to a neutral gray color.
    • Dehumidification
    • Press the “Mode” button on the thermostat and select the “Cool” position.
    • Press the down arrow and adjust the setting to 1° below the current room temperature. The blower should come on immediately on high speed, followed by cold air circulation. The thermostat display will turn blue. Note that there can be up to a 5 minute delay for this process. This is indicated by a flashing setpoint temperature.
    • Press “Menu”, “Advanced Setup”, “Dehumidify”
    • Set Dehumidification to ON and set the humidity set point lower than the current room humidity. Humidity can be adjusted from 40% to 95% in 5% increments.
    • Depending on installed equipment, check that the system fan speed has slowed, the dehumidifier is running, or the system cools up to 3° below temperature set point or until the humidity set point is reached.
    • Go back to the home screen.
    • Press the up arrow and adjust the setting to 1° above the current room temperature. The cooling system should stop operating and the display will go to a neutral gray color.

Troubleshooting

Troubleshooting

Troubleshooting Continued

Troubleshooting Continued 2

Connecting Sensi to Wi-Fi

  1. Ask the homeowner to download the free Sensi app onto their iOS or Android device.

  2. Ask the homeowner to follow the prompts to create an account.

  3. Once the homeowner has logged in, ask to use their device to connect the thermostat to the Wi-Fi.
    QUICK TIP: You must have your customer’s Wi-Fi Network (SSID) and Password to complete the wireless setup.

  4. Select “Connect Thermostat to Wi-Fi” and follow the in-app prompts to complete the connection steps.

  5. Once the thermostat is connected to Wi-Fi, enter your registered phone number by selecting “Settings”, at the bottom then “Contractor Info”.

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

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 low voltage connections at either the Heating or Cooling transformer.

CAUTION

To prevent electrical shock and/ or equipment damage, disconnect electric power to system at main circuit breaker box until installation is complete.

WARNING

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.

WARNING

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 thermostatrecycle.org for location to send product containing mercury.

For Your Customer

MAKE SURE TO LEAVE THE SENSI WELCOME GUIDE FOR YOUR CUSTOMER.

It provides helpful instructions and information on the following:

  • How to connect their Sensi thermostat to Wi-Fi (if this has not already been completed) or connect additional devices
  • Key features of the thermostat and the app and how they work
  • Customer Support

References

Read User Manual Online (PDF format)

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