LENNOX ComfortSense 7500 Commercial Thermostats Instructions
- October 30, 2023
- Lennox
Table of Contents
LENNOX ComfortSense 7500 Commercial Thermostats
Product Information
The Lennox ComfortSense 7500 Commercial Thermostat is a 24VAC low-voltage thermostat that is designed to control commercial HVAC systems. It is equipped with a large backlit touchscreen display and can be programmed to control up to four stages of heating and cooling. The thermostat also has the ability to control humidity levels and can be used with optional remote temperature sensors to provide accurate temperature readings.
Helpful Resources
- Lennoxcommercial.com or LennoxPros.com
- ComfortSense 7500 Commercial Installation and Setup Guide 507506
Before Setup
- All thermostat mounting and all wiring connections must be completed prior to setting up the thermostat.
- Note the type of equipment, number of stages, and any accessories being installed.
- This thermostat is a 24VAC low-voltage thermostat and requires a common wire to the thermostat to operate.
- Use 18 gauge or larger thermostat wire between the thermostat and any optional remote temperature sensor (may be separate wire pair or two wires of a multi-wire cable for outdoor temperature sensor).
- Ensure load from any thermostat connection is less than 1 AMP.
- Wire run should not exceed 300 feet (91m).
Sensor Terminal Designations
- Ti Remote indoor temperature sensor
- Tc Sensor common terminal
- To Outdoor or discharge air temperature sensor
Setup
- Press the Menu option.
- Press and hold the settings option.
- Confirm that you are qualified to adjust the controller settings.
- Press the Sensor Setting option.
- Press the sensor type.
NOTE – When a remote sensor is installed, the remote sensor is the only zone temperature used to control unit operation. There is no averaging between the remote sensor and the thermostat sensor.
References
- Commercial Air Conditioning & Heating Units | Lennox Commercial
- LennoxPros - HVAC Lennox Supplier | LennoxPROs.com
Read User Manual Online (PDF format)
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