L3011C Thermostat

E2008 Lennox Industries Inc.

Dallas, Texas, USA

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

The Lennox ComfortSenset 3000 Series model L3011C non-programmable electronic thermostat is easy-to-use, has a large, easy-to-read display, and provides excellent temperature control. The thermostat also includes a pro- grammable filter change reminder, and a system check in- dicator which will notify the user of the need for equipment service.

Thermostat model L3011C t is suitable for non-heat pump, single−stage heat/single cool applications that are matched with a gas or electric furnace.

General

These instructions are intended as a general guide and do not supersede local codes in any way. Consult authorities having jurisdiction before installation.

Check equipment for shipping damage. If you find any damage, immediately contact the last carrier.

Introduction

This document describes the operation of Lennox model L3011C thermostat. Refer to the installation manual for instructions regarding installation and wiring of the thermo- stat.

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OPERATION MANUAL

ComfortSenset 3000 Series

Model No. L3011C

Non-Programmable Thermostat

CONTROLS

506079−01

02/08Litho U.S.A. Supersedes 504,865M

L3011C Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Initial Thermostat Power-up . . . . . . . . . . . . . . . . . . . . . 1

Heating Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Adjusting Temperature Setpoint . . . . . . . . . . . . . . . . . 3

Fan Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Filter Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Service Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Thermostat RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Default Thermostat Settings . . . . . . . . . . . . . . . . . . . . 5

Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . 5

Thermostat Output Table . . . . . . . . . . . . . . . . . . . . . . . 6

Initial Thermostat Power-up

When power is initially applied to the thermostat, the dis- play will appear as shown in figure 1.

	88	FILTER
ROOM	88	SERVICE
		FAN
		ON
	88	AUTO
SETPOINT	88	SYSTEM
		COOL
		OFF
		EMG.
		HEAT

Figure 1. Display − Initial Power−Up

All display segments are momentarily activated. This oc- curs as a normal part of thermostat initialization. Within a few seconds, the display will appear as shown in figure 2 (figure shows temperature in Fahrenheit units).

506079−01

2P0208

P506079-01

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.

Lennox International Inc ComfortSenset 3000 Series Non-Programmable Thermostat operation manual

Models: ComfortSenset 3000 Series Non-Programmable Thermostat L3011C