Thermostat Output Table

Power Loss/Recovery

Thermostat memory is retained for a minimum of 24 hours during a power loss (includes retention of programmed temperature setpoint, heat/cool and fan mode settings, fil- ter reminder status, and equipment protection timers). Af- ter 24 hours of power loss, programmed settings will be lost and replaced with default settings.

IMPORTANT

Power must be applied for at least six consecutive hours prior to a power loss in order for memory to be retained for the specified time.

LCD Backlight

Activated for 8 seconds when any key is pressed.

NOTE − During an electrical storm or similar disturbance, the backlight may activate for a few seconds. This is nor- mal and will no longer occur after the electrical disturbance has passed.

Thermostat Operating Conditions

35°F to 105°F, 5% to 90% RH

Thermostat Storage Conditions

−40°F to 185°F, 5% to 95% RH

Table 2 depicts the L3011C thermostat output states for various input conditions.

Table 2. L3011C Thermostat Outputs

Condition	W1	Y1	G


Gas Heat, Auto Fan

heat demand	X

cool demand		X	X

no demand

Gas Heat, Continuous Fan

heat demand	X		X

cool demand		X	X

no demand			X

Electric Heat, Auto Fan

heat demand	X		X

cool demand		X	X

no demand

Electric Heat, Continuous Fan

heat demand	X		X

cool demand		X	X

no demand			X

NOTE − X = output is activated with 24VAC.

506079−01 02/08

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ComfortSenset 3000 Series Non-Programmable Thermostat, L3011C specifications

Lennox International Inc. has established itself as a leader in the heating and cooling industry, and the ComfortSense 3000 Series Non-Programmable Thermostat, model L3011C, is a testament to the company's commitment to quality and innovation. Designed for homeowners who prioritize simplicity without sacrificing efficiency, this thermostat brings together user-friendly features and advanced technology for optimal climate control.

One of the standout features of the L3011C is its intuitive interface. The large, backlit display provides clear visibility of temperature settings and system status, ensuring that users can easily read and adjust their thermostat even in low-light conditions. The simple, straightforward controls make it easy to set the desired temperature without the confusion that often accompanies more complex programmable models.

In terms of functionality, the ComfortSense 3000 series supports a range of heating and cooling systems, making it a versatile choice for many households. Whether your home uses gas, electric, or heat pump systems, the L3011C is compatible, allowing for seamless integration and efficient operation. This adaptability ensures that homeowners can maintain their ideal comfort levels year-round without needing to invest in multiple thermostats.

Another key characteristic of the L3011C is its energy efficiency. By maintaining consistent temperature settings, the thermostat helps reduce energy consumption, ultimately leading to cost savings on utility bills. The user can also easily switch between heating and cooling modes, making it a practical solution for fluctuating seasonal needs.

Durability is yet another highlight, as the ComfortSense 3000 is built with high-quality materials to ensure long-lasting performance. The thermostat is designed to withstand everyday use while maintaining accuracy in temperature regulation—a crucial feature for comfort control.

Safety features such as battery backup ensure that the thermostat continues to function seamlessly even during power outages, providing reliability when it matters most.

In summary, the Lennox ComfortSense 3000 Series Non-Programmable Thermostat, L3011C, combines effectiveness, simplicity, and reliability into one user-friendly device. With its intuitive interface, broad compatibility, energy efficiency, and durable design, it is an excellent choice for homeowners seeking straightforward climate control solutions. Lennox's dedication to quality is evident in the L3011C, making it a valuable addition to any home.