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Information on the Sensi partner program and registration.
Provides website, phone number, and email for support.
States the thermostat installs like a standard thermostat.
Lists compatible mobile operating systems (iOS, Android, Amazon Fire).
Lists compatible smart home platforms (Wink, Amazon Alexa, Apple HomeKit).
Details compatibility with various HVAC system types.
Lists compatible router types for Wi-Fi connection.
Lists the items included with the Sensi thermostat.
Outlines necessary items for Wi-Fi connection setup.
Provides initial installation instructions and references.
Explains old and Sensi thermostat terminal mappings and cross-references.
Illustrates wiring for non-heat pump systems with two transformers.
Illustrates wiring for single and multi-stage heat pump systems.
Details menu items, defaults, and options for thermostat configuration.
Specifies settings for HVAC equipment type and setup.
Allows adjustment of circulating fan run time.
Tests fan operation by setting it to 'On' and 'Auto'.
Tests circulating fan by enabling and setting run time.
Tests heating system by adjusting temperature settings.
Tests auxiliary heat operation for heat pumps.
Tests auxiliary-only heat for heat pumps with auxiliary.
Tests cooling system by adjusting temperature settings.
Lists common causes and corrective actions for no heat, cool, or fan.
Details diagnostic steps and solutions for no heat issues.
Details diagnostic steps and solutions for no cool issues.
Addresses issues with heat, cool, or fan running constantly.
Explains how to adjust thermostat display vs. thermometer readings.
Provides solutions for a blank thermostat display.
Explains factors affecting HVAC cycle rate and adjustment.
Addresses 'Call for Service' alerts and related issues.
Explains how to prevent random fan operation.
Guides downloading the app and creating a Sensi account.
Details the steps to connect the thermostat to Wi-Fi.
Option to enter contractor phone number in settings.
General warnings for installers regarding instructions and safety.
Warns about out-of-phase transformers in two-transformer systems.
Warns about using circuits exceeding specified voltage.
Cautions to disconnect power to prevent shock or damage.
Warning about chemicals known to cause cancer and birth defects.
Explains E5 alert, mercury notice, and contact support.
Recommends leaving the welcome guide for the customer.
This document is an installation guide for the Sensi Touch Wi-Fi Thermostat, designed for professional installers. It provides comprehensive information for installing, configuring, and troubleshooting the thermostat, as well as details on its compatibility with various HVAC systems and smart home platforms.
The Sensi Touch Wi-Fi Thermostat is a professional-grade smart thermostat that allows users to control their home comfort from anywhere via a connected device. It is designed for easy installation, similar to a standard thermostat, and offers the flexibility for Wi-Fi connection during installation or later by the homeowner using the Sensi app. The thermostat integrates with various smart home platforms, enhancing its versatility and user convenience. It supports both conventional heating and cooling systems, as well as heat pump systems, and offers features like scheduling, fan mode options, and remote access. The Sensi partner program allows contractors to stay connected with their customers for service needs, with contact information saved in the Sensi app.
The manual provides detailed cross-references for old thermostat terminals to Sensi thermostat terminals, along with wiring diagrams for single-stage/multi-stage systems (no heat pump) with two transformers and heat pump systems. Key terminals include RH (Power for heating, 24V), RC (Power for cooling, 24V), C (Common wire, 24V), Y/Y1 (1st stage cool/1st outdoor stage heat), Y2 (2nd stage cool/2nd outdoor stage heat and cool), W/W1/W/E/Aux/E/E (1st indoor stage heat/1st stage axillary/emergency heat), W2 (2nd indoor stage heat/2nd stage axillary/emergency heat), G (Indoor blower (fan)), O/B (Changeover (reversing valve) connection for heat pump or zone panel systems), and L ("L" terminal connection/no function). Special instructions are provided for two transformer systems and heat pump systems with separate W2 and E wires.
General| Brand | Sensi |
|---|---|
| Model | ST75W |
| Category | Thermostat |
| Language | English |
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