ST55 Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for ST55 products.

Tip: include the full model number printed on your ST55 label for the best match.

ST55 manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

COPELAND ST55 Sensi Smart Thermostat Instruction Manual

July 26, 2025

COPELAND ST55 Sensi Smart Thermostat Specifications Models: 1F87U-42WF, ST55 Version: November 2024 Product Information The Sensi Smart Thermostat allows for manual operation both through the wall unit and the Sensi app. It provides advanced features like thermostat settings, scheduling, and…

Brand: Copeland

Emerson ST55 Sensi Wi-Fi Programmable Thermostat Installation Guide

March 18, 2025

Emerson ST55 Sensi Wi-Fi Programmable Thermostat Specifications Model: 1F86U-42WF, UP500W Version: October 2017 Wi-Fi enabled thermostat Requires Sensi app for installation and configuration Operating System (OS) software compatibility is required for the Sensi app Product Usage Instructions Gather necessary…

Brand: Emerson

sensi 1F87U-42WF Smart Thermostat Installation Guide

August 2, 2023

sensi 1F87U-42WF Smart Thermostat Installation Guide DOWNLOADING THE APP AND CREATING AN ACCOUNT You Will Need Gather this information before you begin installation for a smoother walk through. Sensi Password Found on the back of the Welcome Guide, or back…

Brand: sensi

EMERSON 1F87U-42WF Sensi Smart Thermostat User Guide

May 12, 2023

EMERSON 1F87U-42WF Sensi Smart Thermostat SENSITM SMART THERMOSTAT Humidity Control Guide Models: 1F87U-42WF, ST55, NH-AWIFI, OH-AWIFI Version: April 2023 Emerson Electric Co. All rights reserved R-5622 Product Information The SENSITM Smart Thermostat is a Wi-Fi enabled thermostat that allows you…

Brand: Emerson

Emerson Sensi ST55 Smart Thermostat Installation Guide

January 8, 2023

Emerson Sensi ST55 Smart Thermostat Installation Guide view all Emerson thermostat manual https://thermostat.guide/emerson/emerson-sensi-st55-smart-thermostat-user-manual/

Brand: Emerson Thermostats

Sensi Smart Thermostat Installation Guide

October 6, 2021

SENSI™ SMART THERMOSTAT Installation guide Models: 1F87U-42WF, ST55 Version: January 2020 © 2020 Emerson Electric Co. All rights reserved R-5020. DOWNLOADING THE APP AND CREATING AN ACCOUNT You Will Need Gather this information before you begin the installation for a…

Brand: sensi

sensi Smart Thermostat Instruction Manual

June 20, 2021

sensi Smart Thermostat Instruction Manual sensi Smart Thermostat Instruction Manual https://youtu.be/tGDlJEoqweg BUTTONS AND ICONS The Sensi Smart Thermostat can be operated through Wi-Fi using the Sensi app or it can be operated at the actual wall unit. Advanced features such…

Brand: sensi

Emerson Sensi Smart Thermostat Manual – Sen|Si 1F87U-42WF, ST55

February 13, 2021

Emerson Sensi Smart Thermostat Manual - Sen|Si 1F87U-42WF, ST55 BUTTONS AND ICONS The Sensi Smart Thermostat can be operated through Wi-Fi using the Sensi app or it can be operated at the actual wallunit. Advanced features such as thermostat settings,…

Brand: Emerson