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Emerson Sensi ST75, Installation Manual

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Emerson Sensi ST75 Installation Manual Download Page 5

5

What’s in the box?

•

 Sensi Thermostat 

•

 Screws and Anchors 

•

 Wire Labels 

•

  Sensi Security Code 

(found on the back of the Welcome Guide)

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

QUICK TIP:

 Ask the homeowner to download the 

Sensi app and gather their Wi-Fi information 

while you are installing the thermostat.

Summary of Contents for Sensi ST75

Page 1: ...1 PRO Installation Touch Wi Fi Thermostat ...

Page 2: ... 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 instruct...

Page 3: ...exibility to connect to Wi Fi at installation or let your customer connect it later using the Sensi app MOBILE DEVICE COMPATIBILITY OPERATING SYSTEM COMPATIBILITY iOS Yes Android Yes Amazon Fire Yes SMART HOME PLATFORM COMPATIBILITY OPERATING SYSTEM COMPATIBILITY Wink Yes Amazon Alexa Yes Apple HomeKit Yes ...

Page 4: ...quires a common wire c wire Heat only Gas furnace Electric furnace Boiler Yes Requires a common wire c wire Cool only Air conditioner Yes Requires a common wire c wire Heat pump Yes Requires a common wire c wire Communicating proprietary systems No Needs standard HVAC wiring Line voltage No Requires low voltage 20 30VAC Millivolt systems No Requires 20 30VAC ...

Page 5: ...come Guide 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 QUICK TIP Ask the homeowner to download the Sensi app and gather their Wi Fi information while you are installing the thermostat ...

Page 6: ...E Aux E E W E 1st indoor stage heat 1st stage axillary emergency heat W2 W2 2nd indoor stage heat 2nd stage axillary emergency heat G G Indoor blower fan O B O B O B Changeover reversing valve connection for heat pump or zone panel systems L L no function L terminal connection Two transformer systems separate RC and RH wires clip jumper located on backplate to the right of the terminals Label B as...

Page 7: ... Heating Transformer Dots Indicate Phased Relationship Dots Indicate Phased Relationship Single Stage AC1 GA1 EL1 24 Volt Hot Cool 24 Volt Hot Heat 24 Volt Common Cool Mode 1st stage Blower Circulator Fan Energized On Call For Cool And Heat If Confi gured For Electric Heat O Energized Constantly in Cool Mode Factory Default B Energized Constantly In Heat Mode Or Aux Mode Heat Mode 1st Stage Heat P...

Page 8: ...ump HP1 24 Volt Hot Cool 24 Volt Hot Heat 24 Volt Common Heat And Cool Mode 1st Stage Com pressor NOTE Dual Fuel Option De Energizes Heat Mode 1st Stage Blower Circulator Fan Energized On Call For Cool And Heat If Configured For Electric Heat O Energized Constantly in Cool Mode Factory Default B Energized Constantly In Heat Mode Or Aux Mode Heat Mode 1st Stage Heat Pump L Terminal Connection Cool ...

Page 9: ...een Brightness Off Adjust resting state brightness with an option to turn off 2 Nightlight Off Off On 3 Home Screen Content On On F Indoor Humidity Time of Day F C 4 Schedule 5 2 Day Schedule 5 Wi Fi O Connect to Wi Fi 6 Time Setup Set the date and time 7 About Thermostat Model Number Reset 8 Setup HVAC AC2 EL2 AC2 EL2 O Outdoor Setup AC1 AC2 HP1 HP2 AC0 Indoor Setup GA1 GA2 EL1 EL2 Fan Reversing ...

Page 10: ...ration 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 ...

Page 11: ...ed 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 shoul...

Page 12: ... 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 scre...

Page 13: ...ir 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 refe...

Page 14: ...m 3 Heating system requires service or thermostat requires replacement 1 Set thermostat to Heat 2 Verify thermostat and system wires are securely attached 3 Diagnostic Set Mode to Heat and raise the setpoint above room temperature Within five minutes the thermostat should make a soft click sound and the display should turn red This sound indicates the thermostat is operating properly If the thermo...

Page 15: ...ower the setpoint below the room temperature There may be up to a five minute delay before the thermostat clicks in Cooling if the AC Protection feature is on Heat Cool or Fan Runs Constantly Possible short in wiring thermostat heat cool or fan system Check each wire connection to verify they are not shorted or touching other wires Try resetting the thermostat Thermostat Display Thermometer Disagr...

Page 16: ...cycle time choose Slow for the Cycle Rate in the Sensi app Call for Service appears on the screen 1 Heating or Cooling system is not able to heat cool the space to within 5 degrees of the setpoint within 2 hours 2 If is displayed for the Room Temperature a replacement thermostat is needed 3 None of the buttons operate on the thermostat 1 See corrective action for No Heat See corrective action for ...

Page 17: ...se their device to connect the thermostat to the Wi Fi 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 Contractor from the drop down menu QUICK TIP You must have your customer s Wi Fi Network SSID and Password along with the Sensi Security Code card to com...

Page 18: ...WARNING This product contains a chemical known to the state of California to cause cancer and birth defects and other reproductive harm VOLTAGE REQUIREMENTS Do not use on circuits exceeding specified voltage Higher voltage will damage control and could cause shock or fire hazard Thermostatinstallationandall componentsofthecontrolsystemshall conformtoClassIIcircuitspertheNEC code CAUTION E5 Alert I...

Page 19: ...ul instructions and information on the following Includes their Sensi Security Code for connecting to Wi Fi 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 ...

Page 20: ...20 37 7682001 ...

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