! NOTE

The following wiring diagrams show typical terminal identification and wiring. For proper installation, refer to the original manufacturer’s instructions.

Relay contacts shown are thermostatically operated.

Thermostat

Control

Circuit

Y

Y2

G

W

W2

C*

*The 24 Volt neutral connection to terminal C on the thermostat is not required if you replace

the batteries once a year with fresh “AA” Energizer ® alkaline batteries.

THERMOSTAT

R

Compressor

 

Heat

Contactor

 

Relay

Stage 2

 

Stage 1

Compressor

Fan

Heat

Contactor

Relay

Relay

Stage 1

Stage 2

 

SYSTEM

Hot

24 VAC

120 VAC

Neutral

TRANSFORMER

Figure 2. Typical wiring diagram for single transformer systems

CUT AND

Y

Y2

G

TAPE OFF!

 

 

Hot

 

Compressor

 

 

 

 

120 VAC

24 VAC

Contactor

 

Neutral

 

Stage 2

 

 

 

 

TRANSFORMER

 

 

 

 

Compressor

Fan

 

Contactor

 

Relay

 

Stage 1

 

 

 

 

 

TWO COMMONS MUST

 

BE JUMPERED TOGETHER!

Thermostat

Control

Circuit

W W2C*

Heat

Relay

Stage 1

Heat

Relay

Stage 2

*The 24 Volt neutral connection to terminal C on the thermostat is not required if you replace

the batteries once a year with fresh “AA” Energizer ® alkaline batteries.

THERMOSTAT

R

SYSTEM

Hot

24 VAC

120 VAC

Neutral

TRANSFORMER

Figure 3. Typical wiring diagram for two-transformer systems with NO safety circuits

Thermostat

Control

Circuit

THERMOSTAT

Y

Y2

G

W

W2

C*

R

*The 24 Volt neutral connection to terminal C on the thermostat is not required if you replace

the batteries once a year with fresh “AA” Energizer ® alkaline batteries.

Compressor

Contactor

Stage 2

Compressor

Fan

Contactor

Relay

Stage 1

Heat

Relay

Stage 1

Heat

Relay

Stage 2

SYSTEM

 

 

 

 

 

 

 

 

 

 

Limit or

 

 

Limit or

 

 

 

 

 

 

 

 

Safety

Hot

 

Safety

24 VAC

 

 

 

 

 

120 VAC

Switches

 

 

Switches

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Neutral

 

24 VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Accessory

 

 

HEATING

Relay N.O.

 

TRANSFORMER

 

Contact

 

 

 

 

 

 

 

 

 

 

 

Common

 

 

 

 

 

 

 

 

 

TWO COMMONS MUST

BE JUMPERED TOGETHER!

 

Limit or

 

 

 

 

 

Limit or

 

 

 

 

Safety

 

 

 

 

 

Safety

 

Hot

Common

Switches

24 VAC

 

 

 

120 VAC

Switches

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Neutral

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COOLING

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

Figure 4. Typical wiring diagram for two-transformer systems with safety circuits in BOTH systems

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White Rodgers 1F83-261 specifications Relay contacts shown are thermostatically operated

1F83-261 specifications

The White Rodgers 1F83-261 is a highly regarded thermostat designed for both residential and light commercial applications. This device combines advanced technology with user-friendly features, providing an efficient solution for temperature control in various settings. It is particularly popular due to its reliability and ease of use, making it a top choice for homeowners and HVAC professionals alike.

One of the standout features of the 1F83-261 is its ability to support multi-stage heating and cooling systems. This allows users to optimize their heating and cooling based on their specific needs, whether that involves a heat pump, gas, or electric systems. The thermostat can manage up to three heating stages and two cooling stages, making it versatile and suitable for a wide range of HVAC configurations.

The 1F83-261 is equipped with a large, easy-to-read digital display that enhances user experience. The screen features a clear layout that allows individuals to quickly view and adjust temperature settings. The backlit display is particularly useful during low-light conditions, ensuring visibility at any time of day or night.

Another key characteristic of this thermostat is its programmable functionality. Users can easily create custom heating and cooling schedules for weekdays and weekends, providing greater comfort and energy efficiency. The programmable feature can help reduce energy consumption by automatically adjusting settings based on occupancy patterns, ultimately leading to cost savings on utility bills.

The thermostat also comes with a user-friendly interface, making it simple for anyone to set up and operate. The intuitive buttons and straightforward menu navigation reduce the learning curve, allowing users to quickly familiarize themselves with the device.

Energy-saving technologies are at the forefront of the 1F83-261 design. It features an energy-saving mode that helps optimize the heating and cooling cycles for maximum efficiency. Additionally, the thermostat is compatible with smart home technologies, enabling integration with various home automation systems for enhanced control and monitoring.

In summary, the White Rodgers 1F83-261 thermostat is a versatile and efficient choice for those seeking to enhance their home's comfort and energy efficiency. With its multi-stage system compatibility, programmable features, intuitive interface, and energy-saving technologies, it stands out as a reliable solution for effective temperature management in modern HVAC systems.