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Ecobee 3 lite User Manual

Ecobee 3 lite
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| 250 University Ave | Suite 400 | Toronto, Ontario | M5H 3E5
Toll Free 1.877.932.6233, Int. 1.647.428.2220, support@ecobee.com
Technical manual
ecobee3 lite
GETTING STARTED
Welcome
Thank you for supporting ecobee, the Smart
Thermostat that provides your customers with
freedom and flexibility in managing their home
environment. The ecobee Smart Thermostat
has been designed in partnership with HVAC
contractors to ensure the installation process is
simple and efficient. This step-by-step
Installation Manual will walk you through all
aspects of the installation. To ensure an on-
going service relationship with your customers,
please register all of your ecobee Smart
Thermostats in your Contractor Portal.
The ecobee Team
Technical support
Our technical support team is available to
answer your
questions at 1.877-9-ecobee (1.877.932.6233),
or via
email at support@ecobee.com
Question and Answer IconNeed help?

Do you have a question about the Ecobee 3 lite and is the answer not in the manual?

Ecobee 3 lite Specifications

General IconGeneral
Modelecobee3 lite
Wi-Fi Connectivity2.4 GHz
GeofencingYes
Warranty3 years
Smart Home IntegrationAmazon Alexa, Apple HomeKit, Google Assistant, Samsung SmartThings, IFTTT
Display3.5-inch full-color LCD touchscreen
Operating Temperature32° to 130°F (0° to 55°C)
Operating Humidity5% to 95% RH (non-condensing)
Remote SensorsYes (sold separately)
Energy SavingsUp to 23% annually on heating and cooling costs
App SupportiOS, Android
Power Source24VAC (common wire required), C-wire recommended

Summary

Getting Started

Welcome

Introduction to the ecobee Smart Thermostat and its benefits for customers.

Before You Begin

Approvals and Compliance

Details on product approvals, RoHS, EPA, CEC, UL/cUL standards, and FCC compliance.

HVAC System Compatibility

Information on compatible low-voltage heating and cooling systems and supported equipment types.

Specifications

Wiring Specifications

Table detailing maximum wire lengths for thermostat to equipment interface connections.

Smart Thermostat Configuration

Guides for installer settings, installation wizard, and configuring thermostat features.

Equipment Configuration

Heat Pump Settings

Configuration options for heat pumps, including stages, auxiliary heat, and O/B terminal.

Cycle and Temperature Limits

Settings for minimum cycle off time and minimum outdoor temperature for compressor protection.

Simultaneous Heat Pump/Auxiliary Operation

Configuration for allowing simultaneous operation of heat pump and auxiliary heat.

Furnace and Air Conditioner Configuration

Furnace (Auxiliary Heat)

Configuration for 3-stage conventional heat sources and furnace type optimization.

Heat Stages and Fan Control

Settings for heat stages, including auxiliary relay control, and heat fan control options.

Air Conditioner Stages

Configuration for up to 2 stages of air conditioning, including accessory relay control.

Staging Method of Operation

Explanation of the ecobee's intelligent algorithm for multi-stage heating/cooling staging.

List of Alerts

System Alerts and Notifications

Comprehensive list of potential alerts for system status, maintenance, and component issues.

3-Year Limited Warranty

Warranty Terms and Conditions

Details on warranty coverage, repair/replacement procedures, and limitations.

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