STEP 7. CUSTOMIZE YOUR THERMOSTAT

Your Honeywell CT3650 thermostat comes preset to the most commonly used settings. The settings are: Gas or oil forced air furnace.

Smart Response technology on. Temperature °F.

12-hour clock format.

You can change any or all of these settings.

IMPORTANT

Always press the keys with your fingertip or a similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard.

❑Press and hold down , , and , simultaneously until the screen shows.

You now can change any of these settings.

Fan Operation (Feature Number 2)

 

Fan operation options are:

FEATURE

NUMBER

0

= Gas or oil furnace. Furnace controls fan operation during heating (preset).

 

1

= Electric furnace or single stage heat pump. Thermostat controls fan operation during heating.

 

To change fan operation:

❑Press once.

❑ Press Time

to move to next feature or

Run

to return to main display.

Program

OPTION

M13347

System Type (Feature Number 4)

System type options are:

1 = Gravity or steam system.

3 = Hot water, high efficiency furnace (90% or better), or single stage heat pump. 6 = Gas or oil forced air furnace (preset).

9 = Electric furnace.

To change your system type:

❑ Press until display shows your furnace or boiler type.

M13348

11

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Honeywell CT3650 manual Customize Your Thermostat, Fan Operation Feature Number
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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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