WIRING DIAGRAMS

 

2-WIRE HEAT-ONLY

 

 

(JUMPER INTACT)

 

 

THERMOSTAT

 

 

 

B

 

 

 

RC

O W Y

 

 

R

G

 

 

 

HEATING

 

 

 

RELAY OR

 

 

 

VALVE COIL

1

1

POWER SUPPLY.

 

 

 

PROVIDE DISCONNECT MEANS

 

 

AND OVERLOAD PROTECTION AS REQUIRED.

M10616

3-WIRE HEAT ONLY WITH FAN

(JUMPER INTACT)

4-WIRE HEAT/COOL (JUMPER INTACT)

THERMOSTAT

B

RC O W Y

RG

HEATING

COOLING

FAN

 

RELAY OR

CONTACTOR

RELAY

1

VALVE COIL

COIL

 

 

1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

M10617

4-WIRE SINGLE-STAGE HEAT PUMP

(JUMPER INTACT)

THERMOSTAT

B

RC O W Y

RG

THERMOSTAT

B

RC O W Y

R

3

G

2

 

HEATING

FAN

 

 

RELAY OR

1

 

RELAY

 

VALVE COIL

 

 

 

 

1

POWER SUPPLY. PROVIDE

 

 

 

DISCONNECT MEANS AND

 

 

 

OVERLOAD PROTECTION AS REQUIRED.

 

M10618

 

COMPRESSOR

HEAT

 

CHANGEOVER

 

CONTACTOR

 

 

 

VALVE

 

2

 

 

1

COOL

FAN

 

CHANGEOVER

 

 

RELAY

 

 

VALVE

 

1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.

2USE EITHER O OR B FOR HEAT PUMP CHANGEOVER.

3USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y.

M12739

21

69-1285—2

Page 21
Image 21
Honeywell CT3650 manual Wiring Diagrams, Wire HEAT-ONLY Jumper Intact

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.