Installation

How do I configure my thermostat?

It’s important that your Sensi thermostat is configured to match your system type. If not, then it may not operate your system as expected. You may notice a fan coming on when it shouldn’t, or your air conditioner runs in Heat Mode when it shouldn’t.

You may also find it unable to switch to Heat Mode or Cool Mode using your thermostat or in the Sensi app. The thermostat’s configuration may have accidentally been changed. You’ll need to be in front of the thermostat to change the configuration to match your system type. Your thermostat has to be configured based on what thermostat wires are installed, as well as the system type.

See below for instructions for each Sensi model.

Sensi Smart Thermostat

At the thermostat, press Menu.
Press Next.
At Temperature Scale (°F/°C) settings, press Next.
Outdoor settings
- If you have a heat pump, use up arrow button to set this to “HP1”.
- If you have an air conditioning unit, set this to "AC1”.
- If you have more than one stage cooling, change this to “HP2” or “AC2” to represent this. (You should have a wire in “Y2” if you have more than one stage.)
- If there is no wire in the "Y" terminal, use the up arrow to change this to "AC0 "to represent no cooling.
Press Next.
Indoor settings.
- If you have a gas furnace, oil burner, or boiler system, use the up arrow button to set this to "6A1”.
- If you have an electric furnace, set this to "EL1".
- If you have more than one stage heating, change this to "6A2" or "EL2” to represent this. (You should have a wire in “W2” if you have more than one stage.)
- If you have no wire in "W/E", use the up arrow to change this to "FAN "to represent no indoor heating system.
Press Next.
Reversing Valve Settings. This setting is important if you have a heat pump. Leave the default setting to “o”. If you have a heat pump, and you notice that your system is cooling in Heat Mode, and heating in Cool Mode, change from the default setting to “b”.
Press Exit.

Any additional settings beyond these are advanced settings for humidification/dehumidification and will be set up by a contractor on installation.

Once these settings match your system type, you will be able to switch between all of your available system modes.

Sensi Touch Smart Thermostat

At the thermostat, tap Menu.
Tap Advanced Set Up.
Tap Set Up HVAC Equipment.
Tap Change Settings.
Outdoor equipment.
- If you have a heat pump, tap “HP1”.
- If you have an air conditioning unit, tap "AC1.”
- If you have more than one stage cooling, tap “HP2” or “AC2” to represent this. (You should have a wire in “Y2” if you have more than one stage.)
- If you do not have a wire in the "Y" terminal, tap "AC0" to represent no cooling.
Indoor equipment.
- If you have a gas furnace, oil burner, or boiler system, tap "GA1.”
- If you have an electric furnace, tap "EL1."
- If you have more than one stage heating, tap "GA2" or "EL2” to represent this. (You should have a wire in “W2” if you have more than one stage.)
- If you do not have a wire in the "W/E" terminal, tap "FAN" to represent no indoor heating system.
Reversing valve position. This setting is important if you have a heat pump. Leave the default setting to “o.” If you have a heat pump, and you notice that your system is cooling in Heat Mode, and heating in Cool Mode, change from the default setting to “b”.
Tap Save.

Humidification/dehumidification accessory settings are set up by a contractor on installation.

Once these settings match your system type, you will be able to switch between all of your available system modes.

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