The Lennox 17G76 (C0SNAJ22FF2L) ComfortSense 8500 Commercial Touchscreen Programmable Thermostat with CO2 sensing is designed to provide advanced indoor air quality monitoring, precise comfort management, and streamlined HVAC control for commercial environments. Engineered to integrate directly with Lennox Energence and Strategos rooftop units using the Prodigy Control System, this thermostat supports up to four stages of heating and cooling, intelligent recovery, and full variable-speed operation with compatible equipment.

Built-in temperature, humidity, and CO2 sensors provide real-time environmental data, helping maintain optimal ventilation and indoor air quality. The ComfortSense 8500 line is fully ASHRAE, IECC, and FDD compliant, making it suitable for modern building standards and fault detection requirements.

A full-color LCD touchscreen offers simple, intuitive navigation with customizable user access limits. Installation and maintenance are simplified with four-wire compatibility for most setups, integrated diagnostics, BACnet support through Prodigy 2.0, and performance reporting for system run-time tracking.

Specifications
Brand: Lennox
Catalog Number: 17G76
Model/Part Number: C0SNAJ22FF2L
Family: ComfortSense 8500
Type: Commercial Touchscreen Programmable Thermostat with CO2 Sensing
Wi-Fi Enabled: No Wi-Fi
Programs per Week: 7-Day
Changeover: Automatic
Intelligent Recovery: Yes
Stages: Conventional 4 Heat / 4 Cool
Hertz: 50/60 Hz
Product Height: 3.3125 in
Product Width: 4.3125 in
Product Depth: 0.875 in
Gross Weight: 0.6 lb

Key Features
• Designed for Lennox Energence and Strategos RTUs with Prodigy Control
• Integrated temperature, humidity, and CO2 sensing for improved indoor air quality
• Supports up to 4 stages of heating and 4 stages of cooling
• Full variable-speed operation when paired with compatible equipment
• ASHRAE, IECC, and FDD compliant
• 7-day or 5/2 programmable scheduling
• Automatic heating/cooling changeover
• Scheduled occupancy for ventilation control
• After-hours override using touchscreen or optional occupancy sensor
• BACnet compatibility through Prodigy 2.0
• Four-wire installation for most system configurations
• Built-in fault detection and diagnostics
• Customizable display information and setpoint limits
• Screen lock to prevent unauthorized adjustments
• Performance reporting tracks heating and cooling run times