Honeywell CT3650 manual Mercury Notice

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Total comfort temperature management with Smart Response™ Technology.

Congratulations! You made a smart choice by purchasing your new Honeywell thermostat; the smart thermostat that;

•Keeps you comfortable by automatically calculating exactly when the furnace or air conditioning should go on to have the house at the desired comfort temperature by the time you wake up or return home.

•Saves the maximum amount of energy and money by automatically remembering to adjust the temperature when you leave home or go to sleep.

•Provides the ultimate in comfort and convenience. It comes preprogrammed. You can use the preprogrammed schedule, or set your own.

This manual answers many of the questions that can arise as you become familiar and comfortable with your Honeywell thermostat — the state of the art in home comfort controls.

Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazardous condition.

MERCURY NOTICE

If this thermostat is replacing a control that contains mercury in a sealed tube, do not place your old control in the trash. Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control, or of an old control containing mercury in a sealed tube.

If you have questions, call Honeywell Inc. at 1-800-468-1502.

MERCURY SWITCH

TYPICAL LOCATION OF A MERCURY SWITCH IN A THERMOSTAT

M10614

69-1285—2

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Contents Table of Contents Honeywell CT3650Mercury Notice 69-1285-2 DST Prepare for Installation Compatibility Chart System Type Compatibility with CT3650Special Installations Remove OLD ThermostatMount Thermostat Wallplate Wire Wallplate Terminals Install the Batteries Connect To DescriptionMount the Thermostat Fan Operation Feature Number Customize Your ThermostatSmart Response Technology Feature Number Set Current Day and Time SET the ClockProgramming Mon Tue Wed Thu Fri Sat Sun Program the First Day Copy a Day Clear a Program PeriodDaylight Savings Time Key Change Temperature Setting Indefinitely HoldOperating Your Thermostat Set the System Key SET the FAN and System KEYSet the Fan Key If YOU have a Problem Then…Smart Response Technology Toll-Free Customer AssistanceWiring Diagrams Wire HEAT-ONLY Jumper IntactWire HEAT/COOL Limited One-Year Warranty Home and Building Control

CT3650 specifications

The Honeywell CT3650 is a state-of-the-art thermostat designed for optimum home climate control. This versatile device integrates advanced technology with user-friendly features, making it an ideal choice for homeowners seeking convenience and efficiency in temperature regulation.

One of the primary features of the CT3650 is its Wi-Fi connectivity. This allows users to control their home heating and cooling systems remotely via a smartphone app, providing flexibility and ease of use. Whether at work or on vacation, homeowners can adjust their thermostat settings from anywhere, ensuring comfort upon their return and promoting energy savings while away.

The CT3650 incorporates a color touchscreen display, offering an intuitive interface that makes navigation straightforward. Users can easily set schedules, view current conditions, and make adjustments with a simple tap. The vibrant display also allows for customizable color options, enhancing its aesthetic appeal to fit seamlessly into any home decor.

Another noteworthy characteristic of the Honeywell CT3650 is its Smart Response Technology. This feature learns the heating and cooling behaviors of the home and adjusts the temperature in advance to reach the desired setting by the programmed time. This not only enhances comfort but also increases energy efficiency, helping to reduce utility bills.

The CT3650 thermostat is compatible with various heating and cooling systems, including multi-stage systems, gas, electric, and heat pump configurations. This versatility ensures that homeowners can utilize the CT3650 with their existing systems without additional modifications.

Energy-saving capabilities are a highlight of the CT3650. It features an Adaptive Intelligent Recovery function, which calculates the optimal run time for the system to reach the target temperature at the scheduled time. This minimizes energy waste and maximizes efficiency, contributing to a more sustainable home environment.

Furthermore, the Honeywell CT3650 facilitates easy installation and setup. With straightforward wiring and setup instructions, users can quickly integrate the thermostat into their existing HVAC systems without requiring professional assistance.

In conclusion, the Honeywell CT3650 thermostat combines cutting-edge technology with user-centric design. With its Wi-Fi connectivity, intuitive touchscreen, smart response features, and compatibility with multiple systems, it stands out as an excellent choice for homeowners aiming to achieve a comfortable and energy-efficient living space.
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